From 183547046dcfb415129200910607288132cdce02 Mon Sep 17 00:00:00 2001
From: GitHub Actions <actions@github.com>
Date: Tue, 10 Dec 2024 00:08:13 +0000
Subject: [PATCH] site deploy

Auto-generated via `{sandpaper}`
Source  : a014916144c18e1e22330670e37040e5a164cf3d
Branch  : md-outputs
Author  : GitHub Actions <actions@github.com>
Time    : 2024-12-01 16:42:07 +0000
Message : markdown source builds

Auto-generated via `{sandpaper}`
Source  : fe1d89daef94ff2d58dae6427c54dcc17aae30e9
Branch  : main
Author  : Ulf Schiller <uschille@users.noreply.github.com>
Time    : 2024-12-01 16:41:24 +0000
Message : Merge pull request #337 from datacarpentry/325-add-exiftool-in-list-of-software-that-can-help-handle-metadata

Mention ExifTool for reading and writing metadata
---
 01-introduction.html                    |  2 +-
 02-image-basics.html                    | 16 ++++-----
 03-skimage-images.html                  |  2 +-
 04-drawing.html                         |  2 +-
 05-creating-histograms.html             |  6 ++--
 06-blurring.html                        |  6 ++--
 07-thresholding.html                    |  2 +-
 08-connected-components.html            | 18 +++++-----
 09-challenges.html                      |  6 ++--
 404.html                                |  4 +--
 CODE_OF_CONDUCT.html                    |  2 +-
 LICENSE.html                            |  2 +-
 aio.html                                | 46 ++++++++++++------------
 discuss.html                            |  2 +-
 edge-detection.html                     |  6 ++--
 images.html                             |  4 +--
 index.html                              | 10 +++---
 instructor-notes.html                   |  4 +--
 instructor/01-introduction.html         |  2 +-
 instructor/02-image-basics.html         | 16 ++++-----
 instructor/03-skimage-images.html       |  2 +-
 instructor/04-drawing.html              |  2 +-
 instructor/05-creating-histograms.html  |  6 ++--
 instructor/06-blurring.html             |  8 ++---
 instructor/07-thresholding.html         |  2 +-
 instructor/08-connected-components.html | 18 +++++-----
 instructor/09-challenges.html           |  6 ++--
 instructor/404.html                     |  4 +--
 instructor/CODE_OF_CONDUCT.html         |  2 +-
 instructor/LICENSE.html                 |  2 +-
 instructor/aio.html                     | 48 ++++++++++++-------------
 instructor/discuss.html                 |  2 +-
 instructor/edge-detection.html          |  6 ++--
 instructor/images.html                  |  4 +--
 instructor/index.html                   | 10 +++---
 instructor/instructor-notes.html        |  4 +--
 instructor/key-points.html              |  4 +--
 instructor/prereqs.html                 |  2 +-
 instructor/profiles.html                |  4 +--
 instructor/reference.html               |  2 +-
 key-points.html                         |  4 +--
 pkgdown.yml                             |  2 +-
 prereqs.html                            |  2 +-
 profiles.html                           |  4 +--
 reference.html                          |  2 +-
 45 files changed, 155 insertions(+), 155 deletions(-)

diff --git a/01-introduction.html b/01-introduction.html
index 2782f66d..061d5995 100644
--- a/01-introduction.html
+++ b/01-introduction.html
@@ -538,7 +538,7 @@ <h3 class="callout-title">Key Points</h3>
   "identifier": "https://datacarpentry.github.io/image-processing/01-introduction.html",
   "dateCreated": "2017-03-14",
   "dateModified": "2024-11-28",
-  "datePublished": "2024-12-03"
+  "datePublished": "2024-12-10"
 }
 
   </script><script>
diff --git a/02-image-basics.html b/02-image-basics.html
index 1f0b6563..4371662a 100644
--- a/02-image-basics.html
+++ b/02-image-basics.html
@@ -579,7 +579,7 @@ <h3 class="code-label">PYTHON<i aria-hidden="true" data-feather="chevron-left"><
 <button class="accordion-button spoiler-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSpoiler1" aria-expanded="false" aria-controls="collapseSpoiler1">
   <h3 class="accordion-header" id="headingSpoiler1">  <div class="note-square"><i aria-hidden="true" class="callout-icon" data-feather="eye"></i></div> Further explanation </h3>
 </button>
-<div id="collapseSpoiler1" class="accordion-collapse collapse" data-bs-parent="#accordionSpoiler1" aria-labelledby="headingSpoiler1">
+<div id="collapseSpoiler1" class="accordion-collapse collapse" aria-labelledby="headingSpoiler1" data-bs-parent="#accordionSpoiler1">
 <div class="accordion-body">
 <p>In the example above, form 1 loads the entire scikit-image library
 into the program as an object. Individual modules of the library are
@@ -750,7 +750,7 @@ <h3 class="callout-title">Changing Pixel Values (5 min)</h3>
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution1" aria-expanded="false" aria-controls="collapseSolution1">
   <h4 class="accordion-header" id="headingSolution1"> Show me the solution </h4>
 </button>
-<div id="collapseSolution1" class="accordion-collapse collapse" data-bs-parent="#accordionSolution1" aria-labelledby="headingSolution1">
+<div id="collapseSolution1" class="accordion-collapse collapse" aria-labelledby="headingSolution1" data-bs-parent="#accordionSolution1">
 <div class="accordion-body">
 <p>There are many possible solutions, but one method would be . . .</p>
 <div class="codewrapper sourceCode" id="cb12">
@@ -977,7 +977,7 @@ <h3 class="callout-title">Thinking about RGB colours (5 min)</h3>
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution2" aria-expanded="false" aria-controls="collapseSolution2">
   <h4 class="accordion-header" id="headingSolution2"> Show me the solution </h4>
 </button>
-<div id="collapseSolution2" class="accordion-collapse collapse" data-bs-parent="#accordionSolution2" aria-labelledby="headingSolution2">
+<div id="collapseSolution2" class="accordion-collapse collapse" aria-labelledby="headingSolution2" data-bs-parent="#accordionSolution2">
 <div class="accordion-body">
 <ol style="list-style-type: decimal"><li>(255, 0, 0) represents red, because the red channel is maximised,
 while the other two channels have the minimum values.</li>
@@ -1021,7 +1021,7 @@ <h3 class="callout-title">RGB colour table (optional, not included in timing)</h
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution3" aria-expanded="false" aria-controls="collapseSolution3">
   <h4 class="accordion-header" id="headingSolution3"> Show me the solution </h4>
 </button>
-<div id="collapseSolution3" class="accordion-collapse collapse" data-bs-parent="#accordionSolution3" aria-labelledby="headingSolution3">
+<div id="collapseSolution3" class="accordion-collapse collapse" aria-labelledby="headingSolution3" data-bs-parent="#accordionSolution3">
 <div class="accordion-body">
 <p>There are 24 total bits in an RGB colour of this type, and each bit
 can be on or off, and so there are 2<sup>24</sup> = 16,777,216 possible
@@ -1163,7 +1163,7 @@ <h3 class="callout-title">BMP image size (optional, not included in timing)</h3>
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution4" aria-expanded="false" aria-controls="collapseSolution4">
   <h4 class="accordion-header" id="headingSolution4"> Show me the solution </h4>
 </button>
-<div id="collapseSolution4" class="accordion-collapse collapse" data-bs-parent="#accordionSolution4" aria-labelledby="headingSolution4">
+<div id="collapseSolution4" class="accordion-collapse collapse" aria-labelledby="headingSolution4" data-bs-parent="#accordionSolution4">
 <div class="accordion-body">
 <p>In such an image, there are 5,000 × 5,000 = 25,000,000 pixels, and 24
 bits for each pixel, leading to 25,000,000 × 24 = 600,000,000 bits, or
@@ -1263,7 +1263,7 @@ <h3 class="code-label">PYTHON<i aria-hidden="true" data-feather="chevron-left"><
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution5" aria-expanded="false" aria-controls="collapseSolution5">
   <h4 class="accordion-header" id="headingSolution5"> Show me the solution </h4>
 </button>
-<div id="collapseSolution5" class="accordion-collapse collapse" data-bs-parent="#accordionSolution5" aria-labelledby="headingSolution5">
+<div id="collapseSolution5" class="accordion-collapse collapse" aria-labelledby="headingSolution5" data-bs-parent="#accordionSolution5">
 <div class="accordion-body">
 <p>The BMP file, <code>ws.bmp</code>, is 75,000,054 bytes, which matches
 our prediction very nicely. The JPEG file, <code>ws.jpg</code>, is
@@ -1307,7 +1307,7 @@ <h3 class="callout-title">Comparing lossless versus lossy compression (optional,
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution6" aria-expanded="false" aria-controls="collapseSolution6">
   <h4 class="accordion-header" id="headingSolution6"> Show me the solution </h4>
 </button>
-<div id="collapseSolution6" class="accordion-collapse collapse" data-bs-parent="#accordionSolution6" aria-labelledby="headingSolution6">
+<div id="collapseSolution6" class="accordion-collapse collapse" aria-labelledby="headingSolution6" data-bs-parent="#accordionSolution6">
 <div class="accordion-body">
 <p>Here is a partial directory listing, showing the sizes of the
 relevant files there:</p>
@@ -1562,7 +1562,7 @@ <h3 class="callout-title">Key Points</h3>
   "identifier": "https://datacarpentry.github.io/image-processing/02-image-basics.html",
   "dateCreated": "2017-03-14",
   "dateModified": "2024-12-01",
-  "datePublished": "2024-12-03"
+  "datePublished": "2024-12-10"
 }
 
   </script><script>
diff --git a/03-skimage-images.html b/03-skimage-images.html
index 40a8ae86..62b440cd 100644
--- a/03-skimage-images.html
+++ b/03-skimage-images.html
@@ -1064,7 +1064,7 @@ <h3 class="callout-title">Key Points</h3>
   "identifier": "https://datacarpentry.github.io/image-processing/03-skimage-images.html",
   "dateCreated": "2017-03-14",
   "dateModified": "2024-06-07",
-  "datePublished": "2024-12-03"
+  "datePublished": "2024-12-10"
 }
 
   </script><script>
diff --git a/04-drawing.html b/04-drawing.html
index 9962c639..4ad83218 100644
--- a/04-drawing.html
+++ b/04-drawing.html
@@ -1022,7 +1022,7 @@ <h3 class="callout-title">Key Points</h3>
   "identifier": "https://datacarpentry.github.io/image-processing/04-drawing.html",
   "dateCreated": "2017-03-14",
   "dateModified": "2024-06-07",
-  "datePublished": "2024-12-03"
+  "datePublished": "2024-12-10"
 }
 
   </script><script>
diff --git a/05-creating-histograms.html b/05-creating-histograms.html
index ee19bb61..301c7eaf 100644
--- a/05-creating-histograms.html
+++ b/05-creating-histograms.html
@@ -548,7 +548,7 @@ <h3 class="callout-title">Using a mask for a histogram (15 min)</h3>
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution1" aria-expanded="false" aria-controls="collapseSolution1">
   <h4 class="accordion-header" id="headingSolution1"> Show me the solution </h4>
 </button>
-<div id="collapseSolution1" class="accordion-collapse collapse" data-bs-parent="#accordionSolution1" aria-labelledby="headingSolution1">
+<div id="collapseSolution1" class="accordion-collapse collapse" aria-labelledby="headingSolution1" data-bs-parent="#accordionSolution1">
 <div class="accordion-body">
 <div class="codewrapper sourceCode" id="cb5">
 <h3 class="code-label">PYTHON<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
@@ -744,7 +744,7 @@ <h3 class="code-label">PYTHON<i aria-hidden="true" data-feather="chevron-left"><
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution2" aria-expanded="false" aria-controls="collapseSolution2">
   <h4 class="accordion-header" id="headingSolution2"> Show me the solution </h4>
 </button>
-<div id="collapseSolution2" class="accordion-collapse collapse" data-bs-parent="#accordionSolution2" aria-labelledby="headingSolution2">
+<div id="collapseSolution2" class="accordion-collapse collapse" aria-labelledby="headingSolution2" data-bs-parent="#accordionSolution2">
 <div class="accordion-body">
 <div class="codewrapper sourceCode" id="cb11">
 <h3 class="code-label">PYTHON<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
@@ -871,7 +871,7 @@ <h3 class="callout-title">Key Points</h3>
   "identifier": "https://datacarpentry.github.io/image-processing/05-creating-histograms.html",
   "dateCreated": "2017-03-14",
   "dateModified": "2024-03-14",
-  "datePublished": "2024-12-03"
+  "datePublished": "2024-12-10"
 }
 
   </script><script>
diff --git a/06-blurring.html b/06-blurring.html
index 2069dfe1..1b9aa41d 100644
--- a/06-blurring.html
+++ b/06-blurring.html
@@ -776,7 +776,7 @@ <h3 class="callout-title">Experimenting with sigma values (10 min)</h3>
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution1" aria-expanded="false" aria-controls="collapseSolution1">
   <h4 class="accordion-header" id="headingSolution1"> Show me the solution </h4>
 </button>
-<div id="collapseSolution1" class="accordion-collapse collapse" aria-labelledby="headingSolution1" data-bs-parent="#accordionSolution1">
+<div id="collapseSolution1" class="accordion-collapse collapse" data-bs-parent="#accordionSolution1" aria-labelledby="headingSolution1">
 <div class="accordion-body">
 <p>Generally speaking, the larger the sigma value, the more blurry the
 result. A larger sigma will tend to get rid of more noise in the image,
@@ -807,7 +807,7 @@ <h3 class="callout-title">Experimenting with kernel shape (10 min - optional, no
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution2" aria-expanded="false" aria-controls="collapseSolution2">
   <h4 class="accordion-header" id="headingSolution2"> Show me the solution </h4>
 </button>
-<div id="collapseSolution2" class="accordion-collapse collapse" aria-labelledby="headingSolution2" data-bs-parent="#accordionSolution2">
+<div id="collapseSolution2" class="accordion-collapse collapse" data-bs-parent="#accordionSolution2" aria-labelledby="headingSolution2">
 <div class="accordion-body">
 <div class="codewrapper sourceCode" id="cb13">
 <h3 class="code-label">PYTHON<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
@@ -918,7 +918,7 @@ <h3 class="callout-title">Key Points</h3>
   "identifier": "https://datacarpentry.github.io/image-processing/06-blurring.html",
   "dateCreated": "2017-03-14",
   "dateModified": "2024-06-18",
-  "datePublished": "2024-12-03"
+  "datePublished": "2024-12-10"
 }
 
   </script><script>
diff --git a/07-thresholding.html b/07-thresholding.html
index f4982821..00a2f76a 100644
--- a/07-thresholding.html
+++ b/07-thresholding.html
@@ -1198,7 +1198,7 @@ <h3 class="callout-title">Key Points</h3>
   "identifier": "https://datacarpentry.github.io/image-processing/07-thresholding.html",
   "dateCreated": "2017-03-14",
   "dateModified": "2024-03-12",
-  "datePublished": "2024-12-03"
+  "datePublished": "2024-12-10"
 }
 
   </script><script>
diff --git a/08-connected-components.html b/08-connected-components.html
index b257fd22..86df61f3 100644
--- a/08-connected-components.html
+++ b/08-connected-components.html
@@ -526,7 +526,7 @@ <h3 class="code-label">OUTPUT<i aria-hidden="true" data-feather="chevron-left"><
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution1" aria-expanded="false" aria-controls="collapseSolution1">
   <h4 class="accordion-header" id="headingSolution1"> Show me the solution </h4>
 </button>
-<div id="collapseSolution1" class="accordion-collapse collapse" aria-labelledby="headingSolution1" data-bs-parent="#accordionSolution1">
+<div id="collapseSolution1" class="accordion-collapse collapse" data-bs-parent="#accordionSolution1" aria-labelledby="headingSolution1">
 <div class="accordion-body">
 <ol start="2" style="list-style-type: lower-alpha"><li>5</li>
 </ol></div>
@@ -554,7 +554,7 @@ <h3 class="callout-title">Object counting (optional, not included in
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution2" aria-expanded="false" aria-controls="collapseSolution2">
   <h4 class="accordion-header" id="headingSolution2"> Show me the solution </h4>
 </button>
-<div id="collapseSolution2" class="accordion-collapse collapse" aria-labelledby="headingSolution2" data-bs-parent="#accordionSolution2">
+<div id="collapseSolution2" class="accordion-collapse collapse" data-bs-parent="#accordionSolution2" aria-labelledby="headingSolution2">
 <div class="accordion-body">
 <ol style="list-style-type: lower-alpha"><li>2</li>
 </ol></div>
@@ -692,7 +692,7 @@ <h3 class="code-label">PYTHON<i aria-hidden="true" data-feather="chevron-left"><
 <button class="accordion-button spoiler-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSpoiler1" aria-expanded="false" aria-controls="collapseSpoiler1">
   <h3 class="accordion-header" id="headingSpoiler1">  <div class="note-square"><i aria-hidden="true" class="callout-icon" data-feather="eye"></i></div> Do you see an empty image? </h3>
 </button>
-<div id="collapseSpoiler1" class="accordion-collapse collapse" aria-labelledby="headingSpoiler1" data-bs-parent="#accordionSpoiler1">
+<div id="collapseSpoiler1" class="accordion-collapse collapse" data-bs-parent="#accordionSpoiler1" aria-labelledby="headingSpoiler1">
 <div class="accordion-body">
 <p>If you are using an older version of Matplotlib you might get a
 warning
@@ -795,7 +795,7 @@ <h3 class="callout-title">How many objects are in that image (15 min)</h3>
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution3" aria-expanded="false" aria-controls="collapseSolution3">
   <h4 class="accordion-header" id="headingSolution3"> Show me the solution </h4>
 </button>
-<div id="collapseSolution3" class="accordion-collapse collapse" aria-labelledby="headingSolution3" data-bs-parent="#accordionSolution3">
+<div id="collapseSolution3" class="accordion-collapse collapse" data-bs-parent="#accordionSolution3" aria-labelledby="headingSolution3">
 <div class="accordion-body">
 <p>As you might have guessed, the return value <code>count</code>
 already contains the number of objects found in the image. So it can
@@ -906,7 +906,7 @@ <h3 class="callout-title">Plot a histogram of the object area distribution (10 m
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution4" aria-expanded="false" aria-controls="collapseSolution4">
   <h4 class="accordion-header" id="headingSolution4"> Show me the solution </h4>
 </button>
-<div id="collapseSolution4" class="accordion-collapse collapse" aria-labelledby="headingSolution4" data-bs-parent="#accordionSolution4">
+<div id="collapseSolution4" class="accordion-collapse collapse" data-bs-parent="#accordionSolution4" aria-labelledby="headingSolution4">
 <div class="accordion-body">
 <p>The histogram can be plotted with</p>
 <div class="codewrapper sourceCode" id="cb22">
@@ -959,7 +959,7 @@ <h3 class="callout-title">Filter objects by area (10 min)</h3>
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution5" aria-expanded="false" aria-controls="collapseSolution5">
   <h4 class="accordion-header" id="headingSolution5"> Show me the solution </h4>
 </button>
-<div id="collapseSolution5" class="accordion-collapse collapse" aria-labelledby="headingSolution5" data-bs-parent="#accordionSolution5">
+<div id="collapseSolution5" class="accordion-collapse collapse" data-bs-parent="#accordionSolution5" aria-labelledby="headingSolution5">
 <div class="accordion-body">
 <p>One way to count only objects above a certain area is to first create
 a list of those objects, and then take the length of that list as the
@@ -1047,7 +1047,7 @@ <h3 class="callout-title">Remove small objects (20 min)</h3>
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution6" aria-expanded="false" aria-controls="collapseSolution6">
   <h4 class="accordion-header" id="headingSolution6"> Show me the solution </h4>
 </button>
-<div id="collapseSolution6" class="accordion-collapse collapse" aria-labelledby="headingSolution6" data-bs-parent="#accordionSolution6">
+<div id="collapseSolution6" class="accordion-collapse collapse" data-bs-parent="#accordionSolution6" aria-labelledby="headingSolution6">
 <div class="accordion-body">
 <p>To remove the small objects from the labeled image, we change the
 value of all pixels that belong to the small objects to the background
@@ -1151,7 +1151,7 @@ <h3 class="callout-title">Colour objects by area (optional, not included in timi
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution7" aria-expanded="false" aria-controls="collapseSolution7">
   <h4 class="accordion-header" id="headingSolution7"> Show me the solution </h4>
 </button>
-<div id="collapseSolution7" class="accordion-collapse collapse" aria-labelledby="headingSolution7" data-bs-parent="#accordionSolution7">
+<div id="collapseSolution7" class="accordion-collapse collapse" data-bs-parent="#accordionSolution7" aria-labelledby="headingSolution7">
 <div class="accordion-body">
 <p>We already know how to get the areas of the objects from the
 <code>regionprops</code>. We just need to insert a zero area value for
@@ -1282,7 +1282,7 @@ <h3 class="callout-title">Key Points</h3>
   "identifier": "https://datacarpentry.github.io/image-processing/08-connected-components.html",
   "dateCreated": "2017-03-14",
   "dateModified": "2024-11-13",
-  "datePublished": "2024-12-03"
+  "datePublished": "2024-12-10"
 }
 
   </script><script>
diff --git a/09-challenges.html b/09-challenges.html
index 948ad215..987b074d 100644
--- a/09-challenges.html
+++ b/09-challenges.html
@@ -411,7 +411,7 @@ <h3 class="callout-title">Morphometrics for bacterial colonies</h3>
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution1" aria-expanded="false" aria-controls="collapseSolution1">
   <h4 class="accordion-header" id="headingSolution1"> Show me the solution </h4>
 </button>
-<div id="collapseSolution1" class="accordion-collapse collapse" data-bs-parent="#accordionSolution1" aria-labelledby="headingSolution1">
+<div id="collapseSolution1" class="accordion-collapse collapse" aria-labelledby="headingSolution1" data-bs-parent="#accordionSolution1">
 <div class="accordion-body">
 <p>First, let’s work through the process for one image:</p>
 <div class="codewrapper sourceCode" id="cb1">
@@ -553,7 +553,7 @@ <h3 class="callout-title">Colony counting with minimum size and automated thresh
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution2" aria-expanded="false" aria-controls="collapseSolution2">
   <h4 class="accordion-header" id="headingSolution2"> Show me the solution </h4>
 </button>
-<div id="collapseSolution2" class="accordion-collapse collapse" data-bs-parent="#accordionSolution2" aria-labelledby="headingSolution2">
+<div id="collapseSolution2" class="accordion-collapse collapse" aria-labelledby="headingSolution2" data-bs-parent="#accordionSolution2">
 <div class="accordion-body">
 <p>Here is a modified function with the requested features. Note when
 calculating the Otsu threshold we don’t include the very bright pixels
@@ -662,7 +662,7 @@ <h3 class="callout-title">Key Points</h3>
   "identifier": "https://datacarpentry.github.io/image-processing/09-challenges.html",
   "dateCreated": "2017-03-14",
   "dateModified": "2024-03-12",
-  "datePublished": "2024-12-03"
+  "datePublished": "2024-12-10"
 }
 
   </script><script>
diff --git a/404.html b/404.html
index 7a62ad53..9546e414 100644
--- a/404.html
+++ b/404.html
@@ -401,8 +401,8 @@ <h1>Page not found</h1>
   "url": "https://datacarpentry.github.io/image-processing/404.html",
   "identifier": "https://datacarpentry.github.io/image-processing/404.html",
   "dateCreated": "2017-03-14",
-  "dateModified": "2024-12-03",
-  "datePublished": "2024-12-03"
+  "dateModified": "2024-12-10",
+  "datePublished": "2024-12-10"
 }
 
   </script><script>
diff --git a/CODE_OF_CONDUCT.html b/CODE_OF_CONDUCT.html
index 58cf5a0a..b31fc4cc 100644
--- a/CODE_OF_CONDUCT.html
+++ b/CODE_OF_CONDUCT.html
@@ -412,7 +412,7 @@ <h1>Contributor Code of Conduct</h1>
   "identifier": "https://datacarpentry.github.io/image-processing/CODE_OF_CONDUCT.html",
   "dateCreated": "2017-03-14",
   "dateModified": "2023-04-25",
-  "datePublished": "2024-12-03"
+  "datePublished": "2024-12-10"
 }
 
   </script><script>
diff --git a/LICENSE.html b/LICENSE.html
index cef8980e..974e90d0 100644
--- a/LICENSE.html
+++ b/LICENSE.html
@@ -460,7 +460,7 @@ <h1>Licenses</h1>
   "identifier": "https://datacarpentry.github.io/image-processing/LICENSE.html",
   "dateCreated": "2017-03-14",
   "dateModified": "2023-04-25",
-  "datePublished": "2024-12-03"
+  "datePublished": "2024-12-10"
 }
 
   </script><script>
diff --git a/aio.html b/aio.html
index 74bf3b8b..9a11edcf 100644
--- a/aio.html
+++ b/aio.html
@@ -775,7 +775,7 @@ <h3 class="code-label">PYTHON<i aria-hidden="true" data-feather="chevron-left"><
 <button class="accordion-button spoiler-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSpoiler1" aria-expanded="false" aria-controls="collapseSpoiler1">
   <h3 class="accordion-header" id="headingSpoiler1">  <div class="note-square"><i aria-hidden="true" class="callout-icon" data-feather="eye"></i></div> Further explanation </h3>
 </button>
-<div id="collapseSpoiler1" class="accordion-collapse collapse" data-bs-parent="#accordionSpoiler1" aria-labelledby="headingSpoiler1">
+<div id="collapseSpoiler1" class="accordion-collapse collapse" aria-labelledby="headingSpoiler1" data-bs-parent="#accordionSpoiler1">
 <div class="accordion-body">
 <p>In the example above, form 1 loads the entire scikit-image library
 into the program as an object. Individual modules of the library are
@@ -946,7 +946,7 @@ <h3 class="callout-title">Changing Pixel Values (5 min)</h3>
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution1" aria-expanded="false" aria-controls="collapseSolution1">
   <h4 class="accordion-header" id="headingSolution1"> Show me the solution </h4>
 </button>
-<div id="collapseSolution1" class="accordion-collapse collapse" data-bs-parent="#accordionSolution1" aria-labelledby="headingSolution1">
+<div id="collapseSolution1" class="accordion-collapse collapse" aria-labelledby="headingSolution1" data-bs-parent="#accordionSolution1">
 <div class="accordion-body">
 <p>There are many possible solutions, but one method would be . . .</p>
 <div class="codewrapper sourceCode" id="cb12">
@@ -1182,7 +1182,7 @@ <h3 class="callout-title">Thinking about RGB colours (5 min)</h3>
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution2" aria-expanded="false" aria-controls="collapseSolution2">
   <h4 class="accordion-header" id="headingSolution2"> Show me the solution </h4>
 </button>
-<div id="collapseSolution2" class="accordion-collapse collapse" data-bs-parent="#accordionSolution2" aria-labelledby="headingSolution2">
+<div id="collapseSolution2" class="accordion-collapse collapse" aria-labelledby="headingSolution2" data-bs-parent="#accordionSolution2">
 <div class="accordion-body">
 <ol style="list-style-type: decimal">
 <li>(255, 0, 0) represents red, because the red channel is maximised,
@@ -1228,7 +1228,7 @@ <h3 class="callout-title">RGB colour table (optional, not included in timing)</h
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution3" aria-expanded="false" aria-controls="collapseSolution3">
   <h4 class="accordion-header" id="headingSolution3"> Show me the solution </h4>
 </button>
-<div id="collapseSolution3" class="accordion-collapse collapse" data-bs-parent="#accordionSolution3" aria-labelledby="headingSolution3">
+<div id="collapseSolution3" class="accordion-collapse collapse" aria-labelledby="headingSolution3" data-bs-parent="#accordionSolution3">
 <div class="accordion-body">
 <p>There are 24 total bits in an RGB colour of this type, and each bit
 can be on or off, and so there are 2<sup>24</sup> = 16,777,216 possible
@@ -1401,7 +1401,7 @@ <h3 class="callout-title">BMP image size (optional, not included in timing)</h3>
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution4" aria-expanded="false" aria-controls="collapseSolution4">
   <h4 class="accordion-header" id="headingSolution4"> Show me the solution </h4>
 </button>
-<div id="collapseSolution4" class="accordion-collapse collapse" data-bs-parent="#accordionSolution4" aria-labelledby="headingSolution4">
+<div id="collapseSolution4" class="accordion-collapse collapse" aria-labelledby="headingSolution4" data-bs-parent="#accordionSolution4">
 <div class="accordion-body">
 <p>In such an image, there are 5,000 × 5,000 = 25,000,000 pixels, and 24
 bits for each pixel, leading to 25,000,000 × 24 = 600,000,000 bits, or
@@ -1505,7 +1505,7 @@ <h3 class="code-label">PYTHON<i aria-hidden="true" data-feather="chevron-left"><
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution5" aria-expanded="false" aria-controls="collapseSolution5">
   <h4 class="accordion-header" id="headingSolution5"> Show me the solution </h4>
 </button>
-<div id="collapseSolution5" class="accordion-collapse collapse" data-bs-parent="#accordionSolution5" aria-labelledby="headingSolution5">
+<div id="collapseSolution5" class="accordion-collapse collapse" aria-labelledby="headingSolution5" data-bs-parent="#accordionSolution5">
 <div class="accordion-body">
 <p>The BMP file, <code>ws.bmp</code>, is 75,000,054 bytes, which matches
 our prediction very nicely. The JPEG file, <code>ws.jpg</code>, is
@@ -1549,7 +1549,7 @@ <h3 class="callout-title">Comparing lossless versus lossy compression (optional,
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution6" aria-expanded="false" aria-controls="collapseSolution6">
   <h4 class="accordion-header" id="headingSolution6"> Show me the solution </h4>
 </button>
-<div id="collapseSolution6" class="accordion-collapse collapse" data-bs-parent="#accordionSolution6" aria-labelledby="headingSolution6">
+<div id="collapseSolution6" class="accordion-collapse collapse" aria-labelledby="headingSolution6" data-bs-parent="#accordionSolution6">
 <div class="accordion-body">
 <p>Here is a partial directory listing, showing the sizes of the
 relevant files there:</p>
@@ -3282,7 +3282,7 @@ <h3 class="callout-title">Using a mask for a histogram (15 min)</h3>
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution1" aria-expanded="false" aria-controls="collapseSolution1">
   <h4 class="accordion-header" id="headingSolution1"> Show me the solution </h4>
 </button>
-<div id="collapseSolution1" class="accordion-collapse collapse" data-bs-parent="#accordionSolution1" aria-labelledby="headingSolution1">
+<div id="collapseSolution1" class="accordion-collapse collapse" aria-labelledby="headingSolution1" data-bs-parent="#accordionSolution1">
 <div class="accordion-body">
 <div class="codewrapper sourceCode" id="cb5">
 <h3 class="code-label">PYTHON<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
@@ -3482,7 +3482,7 @@ <h3 class="code-label">PYTHON<i aria-hidden="true" data-feather="chevron-left"><
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution2" aria-expanded="false" aria-controls="collapseSolution2">
   <h4 class="accordion-header" id="headingSolution2"> Show me the solution </h4>
 </button>
-<div id="collapseSolution2" class="accordion-collapse collapse" data-bs-parent="#accordionSolution2" aria-labelledby="headingSolution2">
+<div id="collapseSolution2" class="accordion-collapse collapse" aria-labelledby="headingSolution2" data-bs-parent="#accordionSolution2">
 <div class="accordion-body">
 <div class="codewrapper sourceCode" id="cb11">
 <h3 class="code-label">PYTHON<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
@@ -3987,7 +3987,7 @@ <h3 class="callout-title">Experimenting with sigma values (10 min)</h3>
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution1" aria-expanded="false" aria-controls="collapseSolution1">
   <h4 class="accordion-header" id="headingSolution1"> Show me the solution </h4>
 </button>
-<div id="collapseSolution1" class="accordion-collapse collapse" aria-labelledby="headingSolution1" data-bs-parent="#accordionSolution1">
+<div id="collapseSolution1" class="accordion-collapse collapse" data-bs-parent="#accordionSolution1" aria-labelledby="headingSolution1">
 <div class="accordion-body">
 <p>Generally speaking, the larger the sigma value, the more blurry the
 result. A larger sigma will tend to get rid of more noise in the image,
@@ -4018,7 +4018,7 @@ <h3 class="callout-title">Experimenting with kernel shape (10 min - optional, no
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution2" aria-expanded="false" aria-controls="collapseSolution2">
   <h4 class="accordion-header" id="headingSolution2"> Show me the solution </h4>
 </button>
-<div id="collapseSolution2" class="accordion-collapse collapse" aria-labelledby="headingSolution2" data-bs-parent="#accordionSolution2">
+<div id="collapseSolution2" class="accordion-collapse collapse" data-bs-parent="#accordionSolution2" aria-labelledby="headingSolution2">
 <div class="accordion-body">
 <div class="codewrapper sourceCode" id="cb13">
 <h3 class="code-label">PYTHON<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
@@ -5088,7 +5088,7 @@ <h3 class="code-label">OUTPUT<i aria-hidden="true" data-feather="chevron-left"><
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution1" aria-expanded="false" aria-controls="collapseSolution1">
   <h4 class="accordion-header" id="headingSolution1"> Show me the solution </h4>
 </button>
-<div id="collapseSolution1" class="accordion-collapse collapse" aria-labelledby="headingSolution1" data-bs-parent="#accordionSolution1">
+<div id="collapseSolution1" class="accordion-collapse collapse" data-bs-parent="#accordionSolution1" aria-labelledby="headingSolution1">
 <div class="accordion-body">
 <ol start="2" style="list-style-type: lower-alpha">
 <li>5</li>
@@ -5120,7 +5120,7 @@ <h3 class="callout-title">Object counting (optional, not included in
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution2" aria-expanded="false" aria-controls="collapseSolution2">
   <h4 class="accordion-header" id="headingSolution2"> Show me the solution </h4>
 </button>
-<div id="collapseSolution2" class="accordion-collapse collapse" aria-labelledby="headingSolution2" data-bs-parent="#accordionSolution2">
+<div id="collapseSolution2" class="accordion-collapse collapse" data-bs-parent="#accordionSolution2" aria-labelledby="headingSolution2">
 <div class="accordion-body">
 <ol style="list-style-type: lower-alpha">
 <li>2</li>
@@ -5262,7 +5262,7 @@ <h3 class="code-label">PYTHON<i aria-hidden="true" data-feather="chevron-left"><
 <button class="accordion-button spoiler-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSpoiler1" aria-expanded="false" aria-controls="collapseSpoiler1">
   <h3 class="accordion-header" id="headingSpoiler1">  <div class="note-square"><i aria-hidden="true" class="callout-icon" data-feather="eye"></i></div> Do you see an empty image? </h3>
 </button>
-<div id="collapseSpoiler1" class="accordion-collapse collapse" aria-labelledby="headingSpoiler1" data-bs-parent="#accordionSpoiler1">
+<div id="collapseSpoiler1" class="accordion-collapse collapse" data-bs-parent="#accordionSpoiler1" aria-labelledby="headingSpoiler1">
 <div class="accordion-body">
 <p>If you are using an older version of Matplotlib you might get a
 warning
@@ -5365,7 +5365,7 @@ <h3 class="callout-title">How many objects are in that image (15 min)</h3>
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution3" aria-expanded="false" aria-controls="collapseSolution3">
   <h4 class="accordion-header" id="headingSolution3"> Show me the solution </h4>
 </button>
-<div id="collapseSolution3" class="accordion-collapse collapse" aria-labelledby="headingSolution3" data-bs-parent="#accordionSolution3">
+<div id="collapseSolution3" class="accordion-collapse collapse" data-bs-parent="#accordionSolution3" aria-labelledby="headingSolution3">
 <div class="accordion-body">
 <p>As you might have guessed, the return value <code>count</code>
 already contains the number of objects found in the image. So it can
@@ -5480,7 +5480,7 @@ <h3 class="callout-title">Plot a histogram of the object area distribution (10 m
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution4" aria-expanded="false" aria-controls="collapseSolution4">
   <h4 class="accordion-header" id="headingSolution4"> Show me the solution </h4>
 </button>
-<div id="collapseSolution4" class="accordion-collapse collapse" aria-labelledby="headingSolution4" data-bs-parent="#accordionSolution4">
+<div id="collapseSolution4" class="accordion-collapse collapse" data-bs-parent="#accordionSolution4" aria-labelledby="headingSolution4">
 <div class="accordion-body">
 <p>The histogram can be plotted with</p>
 <div class="codewrapper sourceCode" id="cb22">
@@ -5535,7 +5535,7 @@ <h3 class="callout-title">Filter objects by area (10 min)</h3>
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution5" aria-expanded="false" aria-controls="collapseSolution5">
   <h4 class="accordion-header" id="headingSolution5"> Show me the solution </h4>
 </button>
-<div id="collapseSolution5" class="accordion-collapse collapse" aria-labelledby="headingSolution5" data-bs-parent="#accordionSolution5">
+<div id="collapseSolution5" class="accordion-collapse collapse" data-bs-parent="#accordionSolution5" aria-labelledby="headingSolution5">
 <div class="accordion-body">
 <p>One way to count only objects above a certain area is to first create
 a list of those objects, and then take the length of that list as the
@@ -5625,7 +5625,7 @@ <h3 class="callout-title">Remove small objects (20 min)</h3>
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution6" aria-expanded="false" aria-controls="collapseSolution6">
   <h4 class="accordion-header" id="headingSolution6"> Show me the solution </h4>
 </button>
-<div id="collapseSolution6" class="accordion-collapse collapse" aria-labelledby="headingSolution6" data-bs-parent="#accordionSolution6">
+<div id="collapseSolution6" class="accordion-collapse collapse" data-bs-parent="#accordionSolution6" aria-labelledby="headingSolution6">
 <div class="accordion-body">
 <p>To remove the small objects from the labeled image, we change the
 value of all pixels that belong to the small objects to the background
@@ -5729,7 +5729,7 @@ <h3 class="callout-title">Colour objects by area (optional, not included in timi
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution7" aria-expanded="false" aria-controls="collapseSolution7">
   <h4 class="accordion-header" id="headingSolution7"> Show me the solution </h4>
 </button>
-<div id="collapseSolution7" class="accordion-collapse collapse" aria-labelledby="headingSolution7" data-bs-parent="#accordionSolution7">
+<div id="collapseSolution7" class="accordion-collapse collapse" data-bs-parent="#accordionSolution7" aria-labelledby="headingSolution7">
 <div class="accordion-body">
 <p>We already know how to get the areas of the objects from the
 <code>regionprops</code>. We just need to insert a zero area value for
@@ -5873,7 +5873,7 @@ <h3 class="callout-title">Morphometrics for bacterial colonies</h3>
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution1" aria-expanded="false" aria-controls="collapseSolution1">
   <h4 class="accordion-header" id="headingSolution1"> Show me the solution </h4>
 </button>
-<div id="collapseSolution1" class="accordion-collapse collapse" data-bs-parent="#accordionSolution1" aria-labelledby="headingSolution1">
+<div id="collapseSolution1" class="accordion-collapse collapse" aria-labelledby="headingSolution1" data-bs-parent="#accordionSolution1">
 <div class="accordion-body">
 <p>First, let’s work through the process for one image:</p>
 <div class="codewrapper sourceCode" id="cb1">
@@ -6015,7 +6015,7 @@ <h3 class="callout-title">Colony counting with minimum size and automated thresh
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution2" aria-expanded="false" aria-controls="collapseSolution2">
   <h4 class="accordion-header" id="headingSolution2"> Show me the solution </h4>
 </button>
-<div id="collapseSolution2" class="accordion-collapse collapse" data-bs-parent="#accordionSolution2" aria-labelledby="headingSolution2">
+<div id="collapseSolution2" class="accordion-collapse collapse" aria-labelledby="headingSolution2" data-bs-parent="#accordionSolution2">
 <div class="accordion-body">
 <p>Here is a modified function with the requested features. Note when
 calculating the Otsu threshold we don’t include the very bright pixels
@@ -6115,8 +6115,8 @@ <h3 class="callout-title">Key Points</h3>
   "url": "https://datacarpentry.github.io/image-processing/aio.html",
   "identifier": "https://datacarpentry.github.io/image-processing/aio.html",
   "dateCreated": "2017-03-14",
-  "dateModified": "2024-12-03",
-  "datePublished": "2024-12-03"
+  "dateModified": "2024-12-10",
+  "datePublished": "2024-12-10"
 }
 
   </script><script>
diff --git a/discuss.html b/discuss.html
index c2b9edf5..b6286117 100644
--- a/discuss.html
+++ b/discuss.html
@@ -432,7 +432,7 @@ <h1>Discussion</h1>
   "identifier": "https://datacarpentry.github.io/image-processing/discuss.html",
   "dateCreated": "2017-03-14",
   "dateModified": "2023-07-26",
-  "datePublished": "2024-12-03"
+  "datePublished": "2024-12-10"
 }
 
   </script><script>
diff --git a/edge-detection.html b/edge-detection.html
index 03d2b385..2a7b5853 100644
--- a/edge-detection.html
+++ b/edge-detection.html
@@ -673,7 +673,7 @@ <h3 class="callout-title">Applying Canny edge detection to another image (5 min)
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution1" aria-expanded="false" aria-controls="collapseSolution1">
   <h4 class="accordion-header" id="headingSolution1"> Show me the solution </h4>
 </button>
-<div id="collapseSolution1" class="accordion-collapse collapse" data-bs-parent="#accordionSolution1" aria-labelledby="headingSolution1">
+<div id="collapseSolution1" class="accordion-collapse collapse" aria-labelledby="headingSolution1" data-bs-parent="#accordionSolution1">
 <div class="accordion-body">
 <p>The coloured shape edge image above was produced with a low threshold
 value of 0.05 and a high threshold value of 0.07. You may be able to
@@ -708,7 +708,7 @@ <h3 class="callout-title">Using sliders for thresholding (30 min)</h3>
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution2" aria-expanded="false" aria-controls="collapseSolution2">
   <h4 class="accordion-header" id="headingSolution2"> Show me the solution </h4>
 </button>
-<div id="collapseSolution2" class="accordion-collapse collapse" data-bs-parent="#accordionSolution2" aria-labelledby="headingSolution2">
+<div id="collapseSolution2" class="accordion-collapse collapse" aria-labelledby="headingSolution2" data-bs-parent="#accordionSolution2">
 <div class="accordion-body">
 <p>Here is a program that uses a slider to vary the threshold value used
 in a simple, fixed-level thresholding process.</p>
@@ -848,7 +848,7 @@ <h3 class="callout-title">Key Points</h3>
   "identifier": "https://datacarpentry.github.io/image-processing/edge-detection.html",
   "dateCreated": "2017-03-14",
   "dateModified": "2023-08-16",
-  "datePublished": "2024-12-03"
+  "datePublished": "2024-12-10"
 }
 
   </script><script>
diff --git a/images.html b/images.html
index 8ccdc633..96329432 100644
--- a/images.html
+++ b/images.html
@@ -774,8 +774,8 @@ <h3 id="09-challenges-figure-10">Figure 10</h3>
   "url": "https://datacarpentry.github.io/image-processing/images.html",
   "identifier": "https://datacarpentry.github.io/image-processing/images.html",
   "dateCreated": "2017-03-14",
-  "dateModified": "2024-12-03",
-  "datePublished": "2024-12-03"
+  "dateModified": "2024-12-10",
+  "datePublished": "2024-12-10"
 }
 
   </script><script>
diff --git a/index.html b/index.html
index 15128ea6..307e1568 100644
--- a/index.html
+++ b/index.html
@@ -447,7 +447,7 @@ <h3 class="accordion-header" id="headingSpoiler1">
   Instructions for Linux &amp; Mac
   </h3>
 </button>
-<div id="collapseSpoiler1" class="accordion-collapse collapse" aria-labelledby="headingSpoiler1" data-bs-parent="#accordionSpoiler1">
+<div id="collapseSpoiler1" class="accordion-collapse collapse" data-bs-parent="#accordionSpoiler1" aria-labelledby="headingSpoiler1">
 <div class="accordion-body">
 <p>Open a terminal and type <code>jupyter lab</code>.</p>
 </div>
@@ -462,7 +462,7 @@ <h3 class="accordion-header" id="headingSpoiler2">
   Instructions for Windows
   </h3>
 </button>
-<div id="collapseSpoiler2" class="accordion-collapse collapse" aria-labelledby="headingSpoiler2" data-bs-parent="#accordionSpoiler2">
+<div id="collapseSpoiler2" class="accordion-collapse collapse" data-bs-parent="#accordionSpoiler2" aria-labelledby="headingSpoiler2">
 <div class="accordion-body">
 <p>Launch the Anaconda Prompt program and type <code>jupyter lab</code>.
 (Running this command on the standard Command Prompt will return an
@@ -511,7 +511,7 @@ <h3 class="accordion-header" id="headingSpoiler3">
   Running Cells in a Notebook
   </h3>
 </button>
-<div id="collapseSpoiler3" class="accordion-collapse collapse" aria-labelledby="headingSpoiler3" data-bs-parent="#accordionSpoiler3">
+<div id="collapseSpoiler3" class="accordion-collapse collapse" data-bs-parent="#accordionSpoiler3" aria-labelledby="headingSpoiler3">
 <div class="accordion-body">
 <p><img src="fig/jupyter_overview.png" alt="Overview of the Jupyter Notebook graphical user interface" class="figure"> To
 run Python code in a Jupyter notebook cell, click on a cell in the
@@ -579,8 +579,8 @@ <h3 class="accordion-header" id="headingSpoiler3">
   "url": "https://datacarpentry.github.io/image-processing/index.html",
   "identifier": "https://datacarpentry.github.io/image-processing/index.html",
   "dateCreated": "2017-03-14",
-  "dateModified": "2024-12-03",
-  "datePublished": "2024-12-03"
+  "dateModified": "2024-12-10",
+  "datePublished": "2024-12-10"
 }
 
   </script><script>
diff --git a/instructor-notes.html b/instructor-notes.html
index 292fa6fd..a81f7a63 100644
--- a/instructor-notes.html
+++ b/instructor-notes.html
@@ -590,8 +590,8 @@ <h3 id="q-can-you-blur-while-retaining-edges">Q: Can you blur while retaining ed
   "url": "https://datacarpentry.github.io/image-processing/instructor-notes.html",
   "identifier": "https://datacarpentry.github.io/image-processing/instructor-notes.html",
   "dateCreated": "2017-03-14",
-  "dateModified": "2024-12-03",
-  "datePublished": "2024-12-03"
+  "dateModified": "2024-12-10",
+  "datePublished": "2024-12-10"
 }
 
   </script><script>
diff --git a/instructor/01-introduction.html b/instructor/01-introduction.html
index 7aa70bea..176132a0 100644
--- a/instructor/01-introduction.html
+++ b/instructor/01-introduction.html
@@ -540,7 +540,7 @@ <h3 class="callout-title">Key Points</h3>
   "identifier": "https://datacarpentry.github.io/image-processing/instructor/01-introduction.html",
   "dateCreated": "2017-03-14",
   "dateModified": "2024-11-28",
-  "datePublished": "2024-12-03"
+  "datePublished": "2024-12-10"
 }
 
   </script><script>
diff --git a/instructor/02-image-basics.html b/instructor/02-image-basics.html
index 243dcf30..5c9347d4 100644
--- a/instructor/02-image-basics.html
+++ b/instructor/02-image-basics.html
@@ -581,7 +581,7 @@ <h3 class="code-label">PYTHON<i aria-hidden="true" data-feather="chevron-left"><
 <button class="accordion-button spoiler-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSpoiler1" aria-expanded="false" aria-controls="collapseSpoiler1">
   <h3 class="accordion-header" id="headingSpoiler1">  <div class="note-square"><i aria-hidden="true" class="callout-icon" data-feather="eye"></i></div> Further explanation </h3>
 </button>
-<div id="collapseSpoiler1" class="accordion-collapse collapse" data-bs-parent="#accordionSpoiler1" aria-labelledby="headingSpoiler1">
+<div id="collapseSpoiler1" class="accordion-collapse collapse" aria-labelledby="headingSpoiler1" data-bs-parent="#accordionSpoiler1">
 <div class="accordion-body">
 <p>In the example above, form 1 loads the entire scikit-image library
 into the program as an object. Individual modules of the library are
@@ -752,7 +752,7 @@ <h3 class="callout-title">Changing Pixel Values (5 min)</h3>
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution1" aria-expanded="false" aria-controls="collapseSolution1">
   <h4 class="accordion-header" id="headingSolution1"> Show me the solution </h4>
 </button>
-<div id="collapseSolution1" class="accordion-collapse collapse" data-bs-parent="#accordionSolution1" aria-labelledby="headingSolution1">
+<div id="collapseSolution1" class="accordion-collapse collapse" aria-labelledby="headingSolution1" data-bs-parent="#accordionSolution1">
 <div class="accordion-body">
 <p>There are many possible solutions, but one method would be . . .</p>
 <div class="codewrapper sourceCode" id="cb12">
@@ -979,7 +979,7 @@ <h3 class="callout-title">Thinking about RGB colours (5 min)</h3>
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution2" aria-expanded="false" aria-controls="collapseSolution2">
   <h4 class="accordion-header" id="headingSolution2"> Show me the solution </h4>
 </button>
-<div id="collapseSolution2" class="accordion-collapse collapse" data-bs-parent="#accordionSolution2" aria-labelledby="headingSolution2">
+<div id="collapseSolution2" class="accordion-collapse collapse" aria-labelledby="headingSolution2" data-bs-parent="#accordionSolution2">
 <div class="accordion-body">
 <ol style="list-style-type: decimal"><li>(255, 0, 0) represents red, because the red channel is maximised,
 while the other two channels have the minimum values.</li>
@@ -1023,7 +1023,7 @@ <h3 class="callout-title">RGB colour table (optional, not included in timing)</h
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution3" aria-expanded="false" aria-controls="collapseSolution3">
   <h4 class="accordion-header" id="headingSolution3"> Show me the solution </h4>
 </button>
-<div id="collapseSolution3" class="accordion-collapse collapse" data-bs-parent="#accordionSolution3" aria-labelledby="headingSolution3">
+<div id="collapseSolution3" class="accordion-collapse collapse" aria-labelledby="headingSolution3" data-bs-parent="#accordionSolution3">
 <div class="accordion-body">
 <p>There are 24 total bits in an RGB colour of this type, and each bit
 can be on or off, and so there are 2<sup>24</sup> = 16,777,216 possible
@@ -1165,7 +1165,7 @@ <h3 class="callout-title">BMP image size (optional, not included in timing)</h3>
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution4" aria-expanded="false" aria-controls="collapseSolution4">
   <h4 class="accordion-header" id="headingSolution4"> Show me the solution </h4>
 </button>
-<div id="collapseSolution4" class="accordion-collapse collapse" data-bs-parent="#accordionSolution4" aria-labelledby="headingSolution4">
+<div id="collapseSolution4" class="accordion-collapse collapse" aria-labelledby="headingSolution4" data-bs-parent="#accordionSolution4">
 <div class="accordion-body">
 <p>In such an image, there are 5,000 × 5,000 = 25,000,000 pixels, and 24
 bits for each pixel, leading to 25,000,000 × 24 = 600,000,000 bits, or
@@ -1265,7 +1265,7 @@ <h3 class="code-label">PYTHON<i aria-hidden="true" data-feather="chevron-left"><
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution5" aria-expanded="false" aria-controls="collapseSolution5">
   <h4 class="accordion-header" id="headingSolution5"> Show me the solution </h4>
 </button>
-<div id="collapseSolution5" class="accordion-collapse collapse" data-bs-parent="#accordionSolution5" aria-labelledby="headingSolution5">
+<div id="collapseSolution5" class="accordion-collapse collapse" aria-labelledby="headingSolution5" data-bs-parent="#accordionSolution5">
 <div class="accordion-body">
 <p>The BMP file, <code>ws.bmp</code>, is 75,000,054 bytes, which matches
 our prediction very nicely. The JPEG file, <code>ws.jpg</code>, is
@@ -1309,7 +1309,7 @@ <h3 class="callout-title">Comparing lossless versus lossy compression (optional,
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution6" aria-expanded="false" aria-controls="collapseSolution6">
   <h4 class="accordion-header" id="headingSolution6"> Show me the solution </h4>
 </button>
-<div id="collapseSolution6" class="accordion-collapse collapse" data-bs-parent="#accordionSolution6" aria-labelledby="headingSolution6">
+<div id="collapseSolution6" class="accordion-collapse collapse" aria-labelledby="headingSolution6" data-bs-parent="#accordionSolution6">
 <div class="accordion-body">
 <p>Here is a partial directory listing, showing the sizes of the
 relevant files there:</p>
@@ -1564,7 +1564,7 @@ <h3 class="callout-title">Key Points</h3>
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   "dateCreated": "2017-03-14",
   "dateModified": "2024-12-01",
-  "datePublished": "2024-12-03"
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   </script><script>
diff --git a/instructor/03-skimage-images.html b/instructor/03-skimage-images.html
index 09bdd746..aefa4556 100644
--- a/instructor/03-skimage-images.html
+++ b/instructor/03-skimage-images.html
@@ -1066,7 +1066,7 @@ <h3 class="callout-title">Key Points</h3>
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   "dateCreated": "2017-03-14",
   "dateModified": "2024-06-07",
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diff --git a/instructor/04-drawing.html b/instructor/04-drawing.html
index 410d5696..89d04046 100644
--- a/instructor/04-drawing.html
+++ b/instructor/04-drawing.html
@@ -1024,7 +1024,7 @@ <h3 class="callout-title">Key Points</h3>
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   "dateCreated": "2017-03-14",
   "dateModified": "2024-06-07",
-  "datePublished": "2024-12-03"
+  "datePublished": "2024-12-10"
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diff --git a/instructor/05-creating-histograms.html b/instructor/05-creating-histograms.html
index 5afbb6e0..70be99a5 100644
--- a/instructor/05-creating-histograms.html
+++ b/instructor/05-creating-histograms.html
@@ -550,7 +550,7 @@ <h3 class="callout-title">Using a mask for a histogram (15 min)</h3>
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution1" aria-expanded="false" aria-controls="collapseSolution1">
   <h4 class="accordion-header" id="headingSolution1"> Show me the solution </h4>
 </button>
-<div id="collapseSolution1" class="accordion-collapse collapse" data-bs-parent="#accordionSolution1" aria-labelledby="headingSolution1">
+<div id="collapseSolution1" class="accordion-collapse collapse" aria-labelledby="headingSolution1" data-bs-parent="#accordionSolution1">
 <div class="accordion-body">
 <div class="codewrapper sourceCode" id="cb5">
 <h3 class="code-label">PYTHON<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
@@ -746,7 +746,7 @@ <h3 class="code-label">PYTHON<i aria-hidden="true" data-feather="chevron-left"><
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution2" aria-expanded="false" aria-controls="collapseSolution2">
   <h4 class="accordion-header" id="headingSolution2"> Show me the solution </h4>
 </button>
-<div id="collapseSolution2" class="accordion-collapse collapse" data-bs-parent="#accordionSolution2" aria-labelledby="headingSolution2">
+<div id="collapseSolution2" class="accordion-collapse collapse" aria-labelledby="headingSolution2" data-bs-parent="#accordionSolution2">
 <div class="accordion-body">
 <div class="codewrapper sourceCode" id="cb11">
 <h3 class="code-label">PYTHON<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
@@ -873,7 +873,7 @@ <h3 class="callout-title">Key Points</h3>
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   "dateCreated": "2017-03-14",
   "dateModified": "2024-03-14",
-  "datePublished": "2024-12-03"
+  "datePublished": "2024-12-10"
 }
 
   </script><script>
diff --git a/instructor/06-blurring.html b/instructor/06-blurring.html
index 70664082..65496dce 100644
--- a/instructor/06-blurring.html
+++ b/instructor/06-blurring.html
@@ -525,7 +525,7 @@ <h3 class="callout-title">Kernels</h3>
 <button class="accordion-button instructor-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseInstructor1" aria-expanded="false" aria-controls="collapseInstructor1">
   <h3 class="accordion-header" id="headingInstructor1">  <div class="note-square"><i aria-hidden="true" class="callout-icon" data-feather="edit-2"></i></div> Terminology about image boundaries </h3>
 </button>
-<div id="collapseInstructor1" class="accordion-collapse collapse" aria-labelledby="headingInstructor1" data-bs-parent="#accordionInstructor1">
+<div id="collapseInstructor1" class="accordion-collapse collapse" data-bs-parent="#accordionInstructor1" aria-labelledby="headingInstructor1">
 <div class="accordion-body">
 <p>Take care to avoid mixing up the term “edge” to describe the edges of
 objects <em>within</em> an image and the outer boundaries of the images
@@ -792,7 +792,7 @@ <h3 class="callout-title">Experimenting with sigma values (10 min)</h3>
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution1" aria-expanded="false" aria-controls="collapseSolution1">
   <h4 class="accordion-header" id="headingSolution1"> Show me the solution </h4>
 </button>
-<div id="collapseSolution1" class="accordion-collapse collapse" aria-labelledby="headingSolution1" data-bs-parent="#accordionSolution1">
+<div id="collapseSolution1" class="accordion-collapse collapse" data-bs-parent="#accordionSolution1" aria-labelledby="headingSolution1">
 <div class="accordion-body">
 <p>Generally speaking, the larger the sigma value, the more blurry the
 result. A larger sigma will tend to get rid of more noise in the image,
@@ -823,7 +823,7 @@ <h3 class="callout-title">Experimenting with kernel shape (10 min - optional, no
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution2" aria-expanded="false" aria-controls="collapseSolution2">
   <h4 class="accordion-header" id="headingSolution2"> Show me the solution </h4>
 </button>
-<div id="collapseSolution2" class="accordion-collapse collapse" aria-labelledby="headingSolution2" data-bs-parent="#accordionSolution2">
+<div id="collapseSolution2" class="accordion-collapse collapse" data-bs-parent="#accordionSolution2" aria-labelledby="headingSolution2">
 <div class="accordion-body">
 <div class="codewrapper sourceCode" id="cb13">
 <h3 class="code-label">PYTHON<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
@@ -934,7 +934,7 @@ <h3 class="callout-title">Key Points</h3>
   "identifier": "https://datacarpentry.github.io/image-processing/instructor/06-blurring.html",
   "dateCreated": "2017-03-14",
   "dateModified": "2024-06-18",
-  "datePublished": "2024-12-03"
+  "datePublished": "2024-12-10"
 }
 
   </script><script>
diff --git a/instructor/07-thresholding.html b/instructor/07-thresholding.html
index 82dd0779..45e8a5fe 100644
--- a/instructor/07-thresholding.html
+++ b/instructor/07-thresholding.html
@@ -1220,7 +1220,7 @@ <h3 class="callout-title">Key Points</h3>
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   "dateCreated": "2017-03-14",
   "dateModified": "2024-03-12",
-  "datePublished": "2024-12-03"
+  "datePublished": "2024-12-10"
 }
 
   </script><script>
diff --git a/instructor/08-connected-components.html b/instructor/08-connected-components.html
index a370530b..5719b461 100644
--- a/instructor/08-connected-components.html
+++ b/instructor/08-connected-components.html
@@ -528,7 +528,7 @@ <h3 class="code-label">OUTPUT<i aria-hidden="true" data-feather="chevron-left"><
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution1" aria-expanded="false" aria-controls="collapseSolution1">
   <h4 class="accordion-header" id="headingSolution1"> Show me the solution </h4>
 </button>
-<div id="collapseSolution1" class="accordion-collapse collapse" aria-labelledby="headingSolution1" data-bs-parent="#accordionSolution1">
+<div id="collapseSolution1" class="accordion-collapse collapse" data-bs-parent="#accordionSolution1" aria-labelledby="headingSolution1">
 <div class="accordion-body">
 <ol start="2" style="list-style-type: lower-alpha"><li>5</li>
 </ol></div>
@@ -556,7 +556,7 @@ <h3 class="callout-title">Object counting (optional, not included in
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution2" aria-expanded="false" aria-controls="collapseSolution2">
   <h4 class="accordion-header" id="headingSolution2"> Show me the solution </h4>
 </button>
-<div id="collapseSolution2" class="accordion-collapse collapse" aria-labelledby="headingSolution2" data-bs-parent="#accordionSolution2">
+<div id="collapseSolution2" class="accordion-collapse collapse" data-bs-parent="#accordionSolution2" aria-labelledby="headingSolution2">
 <div class="accordion-body">
 <ol style="list-style-type: lower-alpha"><li>2</li>
 </ol></div>
@@ -694,7 +694,7 @@ <h3 class="code-label">PYTHON<i aria-hidden="true" data-feather="chevron-left"><
 <button class="accordion-button spoiler-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSpoiler1" aria-expanded="false" aria-controls="collapseSpoiler1">
   <h3 class="accordion-header" id="headingSpoiler1">  <div class="note-square"><i aria-hidden="true" class="callout-icon" data-feather="eye"></i></div> Do you see an empty image? </h3>
 </button>
-<div id="collapseSpoiler1" class="accordion-collapse collapse" aria-labelledby="headingSpoiler1" data-bs-parent="#accordionSpoiler1">
+<div id="collapseSpoiler1" class="accordion-collapse collapse" data-bs-parent="#accordionSpoiler1" aria-labelledby="headingSpoiler1">
 <div class="accordion-body">
 <p>If you are using an older version of Matplotlib you might get a
 warning
@@ -797,7 +797,7 @@ <h3 class="callout-title">How many objects are in that image (15 min)</h3>
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution3" aria-expanded="false" aria-controls="collapseSolution3">
   <h4 class="accordion-header" id="headingSolution3"> Show me the solution </h4>
 </button>
-<div id="collapseSolution3" class="accordion-collapse collapse" aria-labelledby="headingSolution3" data-bs-parent="#accordionSolution3">
+<div id="collapseSolution3" class="accordion-collapse collapse" data-bs-parent="#accordionSolution3" aria-labelledby="headingSolution3">
 <div class="accordion-body">
 <p>As you might have guessed, the return value <code>count</code>
 already contains the number of objects found in the image. So it can
@@ -908,7 +908,7 @@ <h3 class="callout-title">Plot a histogram of the object area distribution (10 m
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution4" aria-expanded="false" aria-controls="collapseSolution4">
   <h4 class="accordion-header" id="headingSolution4"> Show me the solution </h4>
 </button>
-<div id="collapseSolution4" class="accordion-collapse collapse" aria-labelledby="headingSolution4" data-bs-parent="#accordionSolution4">
+<div id="collapseSolution4" class="accordion-collapse collapse" data-bs-parent="#accordionSolution4" aria-labelledby="headingSolution4">
 <div class="accordion-body">
 <p>The histogram can be plotted with</p>
 <div class="codewrapper sourceCode" id="cb22">
@@ -961,7 +961,7 @@ <h3 class="callout-title">Filter objects by area (10 min)</h3>
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution5" aria-expanded="false" aria-controls="collapseSolution5">
   <h4 class="accordion-header" id="headingSolution5"> Show me the solution </h4>
 </button>
-<div id="collapseSolution5" class="accordion-collapse collapse" aria-labelledby="headingSolution5" data-bs-parent="#accordionSolution5">
+<div id="collapseSolution5" class="accordion-collapse collapse" data-bs-parent="#accordionSolution5" aria-labelledby="headingSolution5">
 <div class="accordion-body">
 <p>One way to count only objects above a certain area is to first create
 a list of those objects, and then take the length of that list as the
@@ -1049,7 +1049,7 @@ <h3 class="callout-title">Remove small objects (20 min)</h3>
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution6" aria-expanded="false" aria-controls="collapseSolution6">
   <h4 class="accordion-header" id="headingSolution6"> Show me the solution </h4>
 </button>
-<div id="collapseSolution6" class="accordion-collapse collapse" aria-labelledby="headingSolution6" data-bs-parent="#accordionSolution6">
+<div id="collapseSolution6" class="accordion-collapse collapse" data-bs-parent="#accordionSolution6" aria-labelledby="headingSolution6">
 <div class="accordion-body">
 <p>To remove the small objects from the labeled image, we change the
 value of all pixels that belong to the small objects to the background
@@ -1153,7 +1153,7 @@ <h3 class="callout-title">Colour objects by area (optional, not included in timi
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution7" aria-expanded="false" aria-controls="collapseSolution7">
   <h4 class="accordion-header" id="headingSolution7"> Show me the solution </h4>
 </button>
-<div id="collapseSolution7" class="accordion-collapse collapse" aria-labelledby="headingSolution7" data-bs-parent="#accordionSolution7">
+<div id="collapseSolution7" class="accordion-collapse collapse" data-bs-parent="#accordionSolution7" aria-labelledby="headingSolution7">
 <div class="accordion-body">
 <p>We already know how to get the areas of the objects from the
 <code>regionprops</code>. We just need to insert a zero area value for
@@ -1284,7 +1284,7 @@ <h3 class="callout-title">Key Points</h3>
   "identifier": "https://datacarpentry.github.io/image-processing/instructor/08-connected-components.html",
   "dateCreated": "2017-03-14",
   "dateModified": "2024-11-13",
-  "datePublished": "2024-12-03"
+  "datePublished": "2024-12-10"
 }
 
   </script><script>
diff --git a/instructor/09-challenges.html b/instructor/09-challenges.html
index f8685e5e..d6159a2d 100644
--- a/instructor/09-challenges.html
+++ b/instructor/09-challenges.html
@@ -413,7 +413,7 @@ <h3 class="callout-title">Morphometrics for bacterial colonies</h3>
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution1" aria-expanded="false" aria-controls="collapseSolution1">
   <h4 class="accordion-header" id="headingSolution1"> Show me the solution </h4>
 </button>
-<div id="collapseSolution1" class="accordion-collapse collapse" data-bs-parent="#accordionSolution1" aria-labelledby="headingSolution1">
+<div id="collapseSolution1" class="accordion-collapse collapse" aria-labelledby="headingSolution1" data-bs-parent="#accordionSolution1">
 <div class="accordion-body">
 <p>First, let’s work through the process for one image:</p>
 <div class="codewrapper sourceCode" id="cb1">
@@ -555,7 +555,7 @@ <h3 class="callout-title">Colony counting with minimum size and automated thresh
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution2" aria-expanded="false" aria-controls="collapseSolution2">
   <h4 class="accordion-header" id="headingSolution2"> Show me the solution </h4>
 </button>
-<div id="collapseSolution2" class="accordion-collapse collapse" data-bs-parent="#accordionSolution2" aria-labelledby="headingSolution2">
+<div id="collapseSolution2" class="accordion-collapse collapse" aria-labelledby="headingSolution2" data-bs-parent="#accordionSolution2">
 <div class="accordion-body">
 <p>Here is a modified function with the requested features. Note when
 calculating the Otsu threshold we don’t include the very bright pixels
@@ -664,7 +664,7 @@ <h3 class="callout-title">Key Points</h3>
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   "dateCreated": "2017-03-14",
   "dateModified": "2024-03-12",
-  "datePublished": "2024-12-03"
+  "datePublished": "2024-12-10"
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diff --git a/instructor/404.html b/instructor/404.html
index 16ce3f4c..4a953a13 100644
--- a/instructor/404.html
+++ b/instructor/404.html
@@ -401,8 +401,8 @@ <h1>Page not found</h1>
   "url": "https://datacarpentry.github.io/image-processing/instructor/404.html",
   "identifier": "https://datacarpentry.github.io/image-processing/instructor/404.html",
   "dateCreated": "2017-03-14",
-  "dateModified": "2024-12-03",
-  "datePublished": "2024-12-03"
+  "dateModified": "2024-12-10",
+  "datePublished": "2024-12-10"
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diff --git a/instructor/CODE_OF_CONDUCT.html b/instructor/CODE_OF_CONDUCT.html
index 11a97ee3..72337f65 100644
--- a/instructor/CODE_OF_CONDUCT.html
+++ b/instructor/CODE_OF_CONDUCT.html
@@ -414,7 +414,7 @@ <h1>Contributor Code of Conduct</h1>
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   "dateCreated": "2017-03-14",
   "dateModified": "2023-04-25",
-  "datePublished": "2024-12-03"
+  "datePublished": "2024-12-10"
 }
 
   </script><script>
diff --git a/instructor/LICENSE.html b/instructor/LICENSE.html
index 2a3b69c6..18e03e3e 100644
--- a/instructor/LICENSE.html
+++ b/instructor/LICENSE.html
@@ -462,7 +462,7 @@ <h1>Licenses</h1>
   "identifier": "https://datacarpentry.github.io/image-processing/instructor/LICENSE.html",
   "dateCreated": "2017-03-14",
   "dateModified": "2023-04-25",
-  "datePublished": "2024-12-03"
+  "datePublished": "2024-12-10"
 }
 
   </script><script>
diff --git a/instructor/aio.html b/instructor/aio.html
index ea449083..339f1aa8 100644
--- a/instructor/aio.html
+++ b/instructor/aio.html
@@ -779,7 +779,7 @@ <h3 class="code-label">PYTHON<i aria-hidden="true" data-feather="chevron-left"><
 <button class="accordion-button spoiler-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSpoiler1" aria-expanded="false" aria-controls="collapseSpoiler1">
   <h3 class="accordion-header" id="headingSpoiler1">  <div class="note-square"><i aria-hidden="true" class="callout-icon" data-feather="eye"></i></div> Further explanation </h3>
 </button>
-<div id="collapseSpoiler1" class="accordion-collapse collapse" data-bs-parent="#accordionSpoiler1" aria-labelledby="headingSpoiler1">
+<div id="collapseSpoiler1" class="accordion-collapse collapse" aria-labelledby="headingSpoiler1" data-bs-parent="#accordionSpoiler1">
 <div class="accordion-body">
 <p>In the example above, form 1 loads the entire scikit-image library
 into the program as an object. Individual modules of the library are
@@ -950,7 +950,7 @@ <h3 class="callout-title">Changing Pixel Values (5 min)</h3>
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution1" aria-expanded="false" aria-controls="collapseSolution1">
   <h4 class="accordion-header" id="headingSolution1"> Show me the solution </h4>
 </button>
-<div id="collapseSolution1" class="accordion-collapse collapse" data-bs-parent="#accordionSolution1" aria-labelledby="headingSolution1">
+<div id="collapseSolution1" class="accordion-collapse collapse" aria-labelledby="headingSolution1" data-bs-parent="#accordionSolution1">
 <div class="accordion-body">
 <p>There are many possible solutions, but one method would be . . .</p>
 <div class="codewrapper sourceCode" id="cb12">
@@ -1186,7 +1186,7 @@ <h3 class="callout-title">Thinking about RGB colours (5 min)</h3>
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution2" aria-expanded="false" aria-controls="collapseSolution2">
   <h4 class="accordion-header" id="headingSolution2"> Show me the solution </h4>
 </button>
-<div id="collapseSolution2" class="accordion-collapse collapse" data-bs-parent="#accordionSolution2" aria-labelledby="headingSolution2">
+<div id="collapseSolution2" class="accordion-collapse collapse" aria-labelledby="headingSolution2" data-bs-parent="#accordionSolution2">
 <div class="accordion-body">
 <ol style="list-style-type: decimal">
 <li>(255, 0, 0) represents red, because the red channel is maximised,
@@ -1232,7 +1232,7 @@ <h3 class="callout-title">RGB colour table (optional, not included in timing)</h
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution3" aria-expanded="false" aria-controls="collapseSolution3">
   <h4 class="accordion-header" id="headingSolution3"> Show me the solution </h4>
 </button>
-<div id="collapseSolution3" class="accordion-collapse collapse" data-bs-parent="#accordionSolution3" aria-labelledby="headingSolution3">
+<div id="collapseSolution3" class="accordion-collapse collapse" aria-labelledby="headingSolution3" data-bs-parent="#accordionSolution3">
 <div class="accordion-body">
 <p>There are 24 total bits in an RGB colour of this type, and each bit
 can be on or off, and so there are 2<sup>24</sup> = 16,777,216 possible
@@ -1405,7 +1405,7 @@ <h3 class="callout-title">BMP image size (optional, not included in timing)</h3>
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution4" aria-expanded="false" aria-controls="collapseSolution4">
   <h4 class="accordion-header" id="headingSolution4"> Show me the solution </h4>
 </button>
-<div id="collapseSolution4" class="accordion-collapse collapse" data-bs-parent="#accordionSolution4" aria-labelledby="headingSolution4">
+<div id="collapseSolution4" class="accordion-collapse collapse" aria-labelledby="headingSolution4" data-bs-parent="#accordionSolution4">
 <div class="accordion-body">
 <p>In such an image, there are 5,000 × 5,000 = 25,000,000 pixels, and 24
 bits for each pixel, leading to 25,000,000 × 24 = 600,000,000 bits, or
@@ -1509,7 +1509,7 @@ <h3 class="code-label">PYTHON<i aria-hidden="true" data-feather="chevron-left"><
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution5" aria-expanded="false" aria-controls="collapseSolution5">
   <h4 class="accordion-header" id="headingSolution5"> Show me the solution </h4>
 </button>
-<div id="collapseSolution5" class="accordion-collapse collapse" data-bs-parent="#accordionSolution5" aria-labelledby="headingSolution5">
+<div id="collapseSolution5" class="accordion-collapse collapse" aria-labelledby="headingSolution5" data-bs-parent="#accordionSolution5">
 <div class="accordion-body">
 <p>The BMP file, <code>ws.bmp</code>, is 75,000,054 bytes, which matches
 our prediction very nicely. The JPEG file, <code>ws.jpg</code>, is
@@ -1553,7 +1553,7 @@ <h3 class="callout-title">Comparing lossless versus lossy compression (optional,
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution6" aria-expanded="false" aria-controls="collapseSolution6">
   <h4 class="accordion-header" id="headingSolution6"> Show me the solution </h4>
 </button>
-<div id="collapseSolution6" class="accordion-collapse collapse" data-bs-parent="#accordionSolution6" aria-labelledby="headingSolution6">
+<div id="collapseSolution6" class="accordion-collapse collapse" aria-labelledby="headingSolution6" data-bs-parent="#accordionSolution6">
 <div class="accordion-body">
 <p>Here is a partial directory listing, showing the sizes of the
 relevant files there:</p>
@@ -3289,7 +3289,7 @@ <h3 class="callout-title">Using a mask for a histogram (15 min)</h3>
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution1" aria-expanded="false" aria-controls="collapseSolution1">
   <h4 class="accordion-header" id="headingSolution1"> Show me the solution </h4>
 </button>
-<div id="collapseSolution1" class="accordion-collapse collapse" data-bs-parent="#accordionSolution1" aria-labelledby="headingSolution1">
+<div id="collapseSolution1" class="accordion-collapse collapse" aria-labelledby="headingSolution1" data-bs-parent="#accordionSolution1">
 <div class="accordion-body">
 <div class="codewrapper sourceCode" id="cb5">
 <h3 class="code-label">PYTHON<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
@@ -3489,7 +3489,7 @@ <h3 class="code-label">PYTHON<i aria-hidden="true" data-feather="chevron-left"><
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution2" aria-expanded="false" aria-controls="collapseSolution2">
   <h4 class="accordion-header" id="headingSolution2"> Show me the solution </h4>
 </button>
-<div id="collapseSolution2" class="accordion-collapse collapse" data-bs-parent="#accordionSolution2" aria-labelledby="headingSolution2">
+<div id="collapseSolution2" class="accordion-collapse collapse" aria-labelledby="headingSolution2" data-bs-parent="#accordionSolution2">
 <div class="accordion-body">
 <div class="codewrapper sourceCode" id="cb11">
 <h3 class="code-label">PYTHON<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
@@ -3740,7 +3740,7 @@ <h3 class="callout-title">Kernels</h3>
 <button class="accordion-button instructor-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseInstructor1" aria-expanded="false" aria-controls="collapseInstructor1">
   <h3 class="accordion-header" id="headingInstructor1">  <div class="note-square"><i aria-hidden="true" class="callout-icon" data-feather="edit-2"></i></div> Terminology about image boundaries </h3>
 </button>
-<div id="collapseInstructor1" class="accordion-collapse collapse" aria-labelledby="headingInstructor1" data-bs-parent="#accordionInstructor1">
+<div id="collapseInstructor1" class="accordion-collapse collapse" data-bs-parent="#accordionInstructor1" aria-labelledby="headingInstructor1">
 <div class="accordion-body">
 <p>Take care to avoid mixing up the term “edge” to describe the edges of
 objects <em>within</em> an image and the outer boundaries of the images
@@ -4009,7 +4009,7 @@ <h3 class="callout-title">Experimenting with sigma values (10 min)</h3>
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution1" aria-expanded="false" aria-controls="collapseSolution1">
   <h4 class="accordion-header" id="headingSolution1"> Show me the solution </h4>
 </button>
-<div id="collapseSolution1" class="accordion-collapse collapse" aria-labelledby="headingSolution1" data-bs-parent="#accordionSolution1">
+<div id="collapseSolution1" class="accordion-collapse collapse" data-bs-parent="#accordionSolution1" aria-labelledby="headingSolution1">
 <div class="accordion-body">
 <p>Generally speaking, the larger the sigma value, the more blurry the
 result. A larger sigma will tend to get rid of more noise in the image,
@@ -4040,7 +4040,7 @@ <h3 class="callout-title">Experimenting with kernel shape (10 min - optional, no
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution2" aria-expanded="false" aria-controls="collapseSolution2">
   <h4 class="accordion-header" id="headingSolution2"> Show me the solution </h4>
 </button>
-<div id="collapseSolution2" class="accordion-collapse collapse" aria-labelledby="headingSolution2" data-bs-parent="#accordionSolution2">
+<div id="collapseSolution2" class="accordion-collapse collapse" data-bs-parent="#accordionSolution2" aria-labelledby="headingSolution2">
 <div class="accordion-body">
 <div class="codewrapper sourceCode" id="cb13">
 <h3 class="code-label">PYTHON<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
@@ -5132,7 +5132,7 @@ <h3 class="code-label">OUTPUT<i aria-hidden="true" data-feather="chevron-left"><
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution1" aria-expanded="false" aria-controls="collapseSolution1">
   <h4 class="accordion-header" id="headingSolution1"> Show me the solution </h4>
 </button>
-<div id="collapseSolution1" class="accordion-collapse collapse" aria-labelledby="headingSolution1" data-bs-parent="#accordionSolution1">
+<div id="collapseSolution1" class="accordion-collapse collapse" data-bs-parent="#accordionSolution1" aria-labelledby="headingSolution1">
 <div class="accordion-body">
 <ol start="2" style="list-style-type: lower-alpha">
 <li>5</li>
@@ -5164,7 +5164,7 @@ <h3 class="callout-title">Object counting (optional, not included in
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution2" aria-expanded="false" aria-controls="collapseSolution2">
   <h4 class="accordion-header" id="headingSolution2"> Show me the solution </h4>
 </button>
-<div id="collapseSolution2" class="accordion-collapse collapse" aria-labelledby="headingSolution2" data-bs-parent="#accordionSolution2">
+<div id="collapseSolution2" class="accordion-collapse collapse" data-bs-parent="#accordionSolution2" aria-labelledby="headingSolution2">
 <div class="accordion-body">
 <ol style="list-style-type: lower-alpha">
 <li>2</li>
@@ -5306,7 +5306,7 @@ <h3 class="code-label">PYTHON<i aria-hidden="true" data-feather="chevron-left"><
 <button class="accordion-button spoiler-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSpoiler1" aria-expanded="false" aria-controls="collapseSpoiler1">
   <h3 class="accordion-header" id="headingSpoiler1">  <div class="note-square"><i aria-hidden="true" class="callout-icon" data-feather="eye"></i></div> Do you see an empty image? </h3>
 </button>
-<div id="collapseSpoiler1" class="accordion-collapse collapse" aria-labelledby="headingSpoiler1" data-bs-parent="#accordionSpoiler1">
+<div id="collapseSpoiler1" class="accordion-collapse collapse" data-bs-parent="#accordionSpoiler1" aria-labelledby="headingSpoiler1">
 <div class="accordion-body">
 <p>If you are using an older version of Matplotlib you might get a
 warning
@@ -5409,7 +5409,7 @@ <h3 class="callout-title">How many objects are in that image (15 min)</h3>
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution3" aria-expanded="false" aria-controls="collapseSolution3">
   <h4 class="accordion-header" id="headingSolution3"> Show me the solution </h4>
 </button>
-<div id="collapseSolution3" class="accordion-collapse collapse" aria-labelledby="headingSolution3" data-bs-parent="#accordionSolution3">
+<div id="collapseSolution3" class="accordion-collapse collapse" data-bs-parent="#accordionSolution3" aria-labelledby="headingSolution3">
 <div class="accordion-body">
 <p>As you might have guessed, the return value <code>count</code>
 already contains the number of objects found in the image. So it can
@@ -5524,7 +5524,7 @@ <h3 class="callout-title">Plot a histogram of the object area distribution (10 m
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution4" aria-expanded="false" aria-controls="collapseSolution4">
   <h4 class="accordion-header" id="headingSolution4"> Show me the solution </h4>
 </button>
-<div id="collapseSolution4" class="accordion-collapse collapse" aria-labelledby="headingSolution4" data-bs-parent="#accordionSolution4">
+<div id="collapseSolution4" class="accordion-collapse collapse" data-bs-parent="#accordionSolution4" aria-labelledby="headingSolution4">
 <div class="accordion-body">
 <p>The histogram can be plotted with</p>
 <div class="codewrapper sourceCode" id="cb22">
@@ -5579,7 +5579,7 @@ <h3 class="callout-title">Filter objects by area (10 min)</h3>
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution5" aria-expanded="false" aria-controls="collapseSolution5">
   <h4 class="accordion-header" id="headingSolution5"> Show me the solution </h4>
 </button>
-<div id="collapseSolution5" class="accordion-collapse collapse" aria-labelledby="headingSolution5" data-bs-parent="#accordionSolution5">
+<div id="collapseSolution5" class="accordion-collapse collapse" data-bs-parent="#accordionSolution5" aria-labelledby="headingSolution5">
 <div class="accordion-body">
 <p>One way to count only objects above a certain area is to first create
 a list of those objects, and then take the length of that list as the
@@ -5669,7 +5669,7 @@ <h3 class="callout-title">Remove small objects (20 min)</h3>
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution6" aria-expanded="false" aria-controls="collapseSolution6">
   <h4 class="accordion-header" id="headingSolution6"> Show me the solution </h4>
 </button>
-<div id="collapseSolution6" class="accordion-collapse collapse" aria-labelledby="headingSolution6" data-bs-parent="#accordionSolution6">
+<div id="collapseSolution6" class="accordion-collapse collapse" data-bs-parent="#accordionSolution6" aria-labelledby="headingSolution6">
 <div class="accordion-body">
 <p>To remove the small objects from the labeled image, we change the
 value of all pixels that belong to the small objects to the background
@@ -5773,7 +5773,7 @@ <h3 class="callout-title">Colour objects by area (optional, not included in timi
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution7" aria-expanded="false" aria-controls="collapseSolution7">
   <h4 class="accordion-header" id="headingSolution7"> Show me the solution </h4>
 </button>
-<div id="collapseSolution7" class="accordion-collapse collapse" aria-labelledby="headingSolution7" data-bs-parent="#accordionSolution7">
+<div id="collapseSolution7" class="accordion-collapse collapse" data-bs-parent="#accordionSolution7" aria-labelledby="headingSolution7">
 <div class="accordion-body">
 <p>We already know how to get the areas of the objects from the
 <code>regionprops</code>. We just need to insert a zero area value for
@@ -5918,7 +5918,7 @@ <h3 class="callout-title">Morphometrics for bacterial colonies</h3>
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution1" aria-expanded="false" aria-controls="collapseSolution1">
   <h4 class="accordion-header" id="headingSolution1"> Show me the solution </h4>
 </button>
-<div id="collapseSolution1" class="accordion-collapse collapse" data-bs-parent="#accordionSolution1" aria-labelledby="headingSolution1">
+<div id="collapseSolution1" class="accordion-collapse collapse" aria-labelledby="headingSolution1" data-bs-parent="#accordionSolution1">
 <div class="accordion-body">
 <p>First, let’s work through the process for one image:</p>
 <div class="codewrapper sourceCode" id="cb1">
@@ -6060,7 +6060,7 @@ <h3 class="callout-title">Colony counting with minimum size and automated thresh
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution2" aria-expanded="false" aria-controls="collapseSolution2">
   <h4 class="accordion-header" id="headingSolution2"> Show me the solution </h4>
 </button>
-<div id="collapseSolution2" class="accordion-collapse collapse" data-bs-parent="#accordionSolution2" aria-labelledby="headingSolution2">
+<div id="collapseSolution2" class="accordion-collapse collapse" aria-labelledby="headingSolution2" data-bs-parent="#accordionSolution2">
 <div class="accordion-body">
 <p>Here is a modified function with the requested features. Note when
 calculating the Otsu threshold we don’t include the very bright pixels
@@ -6160,8 +6160,8 @@ <h3 class="callout-title">Key Points</h3>
   "url": "https://datacarpentry.github.io/image-processing/instructor/aio.html",
   "identifier": "https://datacarpentry.github.io/image-processing/instructor/aio.html",
   "dateCreated": "2017-03-14",
-  "dateModified": "2024-12-03",
-  "datePublished": "2024-12-03"
+  "dateModified": "2024-12-10",
+  "datePublished": "2024-12-10"
 }
 
   </script><script>
diff --git a/instructor/discuss.html b/instructor/discuss.html
index 876564b9..2b3ded58 100644
--- a/instructor/discuss.html
+++ b/instructor/discuss.html
@@ -434,7 +434,7 @@ <h1>Discussion</h1>
   "identifier": "https://datacarpentry.github.io/image-processing/instructor/discuss.html",
   "dateCreated": "2017-03-14",
   "dateModified": "2023-07-26",
-  "datePublished": "2024-12-03"
+  "datePublished": "2024-12-10"
 }
 
   </script><script>
diff --git a/instructor/edge-detection.html b/instructor/edge-detection.html
index b2c6a203..b0fbdc49 100644
--- a/instructor/edge-detection.html
+++ b/instructor/edge-detection.html
@@ -675,7 +675,7 @@ <h3 class="callout-title">Applying Canny edge detection to another image (5 min)
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution1" aria-expanded="false" aria-controls="collapseSolution1">
   <h4 class="accordion-header" id="headingSolution1"> Show me the solution </h4>
 </button>
-<div id="collapseSolution1" class="accordion-collapse collapse" data-bs-parent="#accordionSolution1" aria-labelledby="headingSolution1">
+<div id="collapseSolution1" class="accordion-collapse collapse" aria-labelledby="headingSolution1" data-bs-parent="#accordionSolution1">
 <div class="accordion-body">
 <p>The coloured shape edge image above was produced with a low threshold
 value of 0.05 and a high threshold value of 0.07. You may be able to
@@ -710,7 +710,7 @@ <h3 class="callout-title">Using sliders for thresholding (30 min)</h3>
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution2" aria-expanded="false" aria-controls="collapseSolution2">
   <h4 class="accordion-header" id="headingSolution2"> Show me the solution </h4>
 </button>
-<div id="collapseSolution2" class="accordion-collapse collapse" data-bs-parent="#accordionSolution2" aria-labelledby="headingSolution2">
+<div id="collapseSolution2" class="accordion-collapse collapse" aria-labelledby="headingSolution2" data-bs-parent="#accordionSolution2">
 <div class="accordion-body">
 <p>Here is a program that uses a slider to vary the threshold value used
 in a simple, fixed-level thresholding process.</p>
@@ -850,7 +850,7 @@ <h3 class="callout-title">Key Points</h3>
   "identifier": "https://datacarpentry.github.io/image-processing/instructor/edge-detection.html",
   "dateCreated": "2017-03-14",
   "dateModified": "2023-08-16",
-  "datePublished": "2024-12-03"
+  "datePublished": "2024-12-10"
 }
 
   </script><script>
diff --git a/instructor/images.html b/instructor/images.html
index e1832b37..d8df2996 100644
--- a/instructor/images.html
+++ b/instructor/images.html
@@ -776,8 +776,8 @@ <h3 id="09-challenges-figure-10">Figure 10</h3>
   "url": "https://datacarpentry.github.io/image-processing/instructor/images.html",
   "identifier": "https://datacarpentry.github.io/image-processing/instructor/images.html",
   "dateCreated": "2017-03-14",
-  "dateModified": "2024-12-03",
-  "datePublished": "2024-12-03"
+  "dateModified": "2024-12-10",
+  "datePublished": "2024-12-10"
 }
 
   </script><script>
diff --git a/instructor/index.html b/instructor/index.html
index 9fdc94c8..684d5885 100644
--- a/instructor/index.html
+++ b/instructor/index.html
@@ -538,7 +538,7 @@ <h3 class="accordion-header" id="headingSpoiler1">
   Instructions for Linux &amp; Mac
   </h3>
 </button>
-<div id="collapseSpoiler1" class="accordion-collapse collapse" aria-labelledby="headingSpoiler1" data-bs-parent="#accordionSpoiler1">
+<div id="collapseSpoiler1" class="accordion-collapse collapse" data-bs-parent="#accordionSpoiler1" aria-labelledby="headingSpoiler1">
 <div class="accordion-body">
 <p>Open a terminal and type <code>jupyter lab</code>.</p>
 </div>
@@ -553,7 +553,7 @@ <h3 class="accordion-header" id="headingSpoiler2">
   Instructions for Windows
   </h3>
 </button>
-<div id="collapseSpoiler2" class="accordion-collapse collapse" aria-labelledby="headingSpoiler2" data-bs-parent="#accordionSpoiler2">
+<div id="collapseSpoiler2" class="accordion-collapse collapse" data-bs-parent="#accordionSpoiler2" aria-labelledby="headingSpoiler2">
 <div class="accordion-body">
 <p>Launch the Anaconda Prompt program and type <code>jupyter lab</code>.
 (Running this command on the standard Command Prompt will return an
@@ -602,7 +602,7 @@ <h3 class="accordion-header" id="headingSpoiler3">
   Running Cells in a Notebook
   </h3>
 </button>
-<div id="collapseSpoiler3" class="accordion-collapse collapse" aria-labelledby="headingSpoiler3" data-bs-parent="#accordionSpoiler3">
+<div id="collapseSpoiler3" class="accordion-collapse collapse" data-bs-parent="#accordionSpoiler3" aria-labelledby="headingSpoiler3">
 <div class="accordion-body">
 <p><img src="../fig/jupyter_overview.png" alt="Overview of the Jupyter Notebook graphical user interface" class="figure"> To
 run Python code in a Jupyter notebook cell, click on a cell in the
@@ -670,8 +670,8 @@ <h3 class="accordion-header" id="headingSpoiler3">
   "url": "https://datacarpentry.github.io/image-processing/instructor/index.html",
   "identifier": "https://datacarpentry.github.io/image-processing/instructor/index.html",
   "dateCreated": "2017-03-14",
-  "dateModified": "2024-12-03",
-  "datePublished": "2024-12-03"
+  "dateModified": "2024-12-10",
+  "datePublished": "2024-12-10"
 }
 
   </script><script>
diff --git a/instructor/instructor-notes.html b/instructor/instructor-notes.html
index 9a8714c8..65ea05ec 100644
--- a/instructor/instructor-notes.html
+++ b/instructor/instructor-notes.html
@@ -625,8 +625,8 @@ <h3 id="07-thresholding-headingInstructor1">
   "url": "https://datacarpentry.github.io/image-processing/instructor/instructor-notes.html",
   "identifier": "https://datacarpentry.github.io/image-processing/instructor/instructor-notes.html",
   "dateCreated": "2017-03-14",
-  "dateModified": "2024-12-03",
-  "datePublished": "2024-12-03"
+  "dateModified": "2024-12-10",
+  "datePublished": "2024-12-10"
 }
 
   </script><script>
diff --git a/instructor/key-points.html b/instructor/key-points.html
index 70f70aee..e162a4ee 100644
--- a/instructor/key-points.html
+++ b/instructor/key-points.html
@@ -573,8 +573,8 @@ <h2 class="accordion-header" id="flush-headingTwelve">
   "url": "https://datacarpentry.github.io/image-processing/instructor/key-points.html",
   "identifier": "https://datacarpentry.github.io/image-processing/instructor/key-points.html",
   "dateCreated": "2017-03-14",
-  "dateModified": "2024-12-03",
-  "datePublished": "2024-12-03"
+  "dateModified": "2024-12-10",
+  "datePublished": "2024-12-10"
 }
 
   </script><script>
diff --git a/instructor/prereqs.html b/instructor/prereqs.html
index d6abb46e..63195b4f 100644
--- a/instructor/prereqs.html
+++ b/instructor/prereqs.html
@@ -470,7 +470,7 @@ <h3 id="python-skills">Python skills<a class="anchor" aria-label="anchor" href="
   "identifier": "https://datacarpentry.github.io/image-processing/instructor/prereqs.html",
   "dateCreated": "2017-03-14",
   "dateModified": "2023-07-26",
-  "datePublished": "2024-12-03"
+  "datePublished": "2024-12-10"
 }
 
   </script><script>
diff --git a/instructor/profiles.html b/instructor/profiles.html
index cd951b22..5b223183 100644
--- a/instructor/profiles.html
+++ b/instructor/profiles.html
@@ -363,8 +363,8 @@ <h1>Learner Profiles</h1>
   "url": "https://datacarpentry.github.io/image-processing/instructor/profiles.html",
   "identifier": "https://datacarpentry.github.io/image-processing/instructor/profiles.html",
   "dateCreated": "2017-03-14",
-  "dateModified": "2024-12-03",
-  "datePublished": "2024-12-03"
+  "dateModified": "2024-12-10",
+  "datePublished": "2024-12-10"
 }
 
   </script><script>
diff --git a/instructor/reference.html b/instructor/reference.html
index ff5b88de..55cfedd5 100644
--- a/instructor/reference.html
+++ b/instructor/reference.html
@@ -582,7 +582,7 @@ <h1>Reference</h1>
   "identifier": "https://datacarpentry.github.io/image-processing/instructor/reference.html",
   "dateCreated": "2017-03-14",
   "dateModified": "2023-04-26",
-  "datePublished": "2024-12-03"
+  "datePublished": "2024-12-10"
 }
 
   </script><script>
diff --git a/key-points.html b/key-points.html
index 34de1bd4..fbb3ac89 100644
--- a/key-points.html
+++ b/key-points.html
@@ -571,8 +571,8 @@ <h2 class="accordion-header" id="flush-headingTwelve">
   "url": "https://datacarpentry.github.io/image-processing/key-points.html",
   "identifier": "https://datacarpentry.github.io/image-processing/key-points.html",
   "dateCreated": "2017-03-14",
-  "dateModified": "2024-12-03",
-  "datePublished": "2024-12-03"
+  "dateModified": "2024-12-10",
+  "datePublished": "2024-12-10"
 }
 
   </script><script>
diff --git a/pkgdown.yml b/pkgdown.yml
index 601721c2..98fb3617 100644
--- a/pkgdown.yml
+++ b/pkgdown.yml
@@ -2,4 +2,4 @@ pandoc: 3.1.11
 pkgdown: 2.1.1
 pkgdown_sha: ~
 articles: {}
-last_built: 2024-12-03T00:08Z
+last_built: 2024-12-10T00:07Z
diff --git a/prereqs.html b/prereqs.html
index 1b199fe5..92537d73 100644
--- a/prereqs.html
+++ b/prereqs.html
@@ -468,7 +468,7 @@ <h3 id="python-skills">Python skills<a class="anchor" aria-label="anchor" href="
   "identifier": "https://datacarpentry.github.io/image-processing/prereqs.html",
   "dateCreated": "2017-03-14",
   "dateModified": "2023-07-26",
-  "datePublished": "2024-12-03"
+  "datePublished": "2024-12-10"
 }
 
   </script><script>
diff --git a/profiles.html b/profiles.html
index f123c674..9cc0bfe5 100644
--- a/profiles.html
+++ b/profiles.html
@@ -363,8 +363,8 @@ <h1>Learner Profiles</h1>
   "url": "https://datacarpentry.github.io/image-processing/profiles.html",
   "identifier": "https://datacarpentry.github.io/image-processing/profiles.html",
   "dateCreated": "2017-03-14",
-  "dateModified": "2024-12-03",
-  "datePublished": "2024-12-03"
+  "dateModified": "2024-12-10",
+  "datePublished": "2024-12-10"
 }
 
   </script><script>
diff --git a/reference.html b/reference.html
index 137cd3eb..9754f2d6 100644
--- a/reference.html
+++ b/reference.html
@@ -580,7 +580,7 @@ <h1>Reference</h1>
   "identifier": "https://datacarpentry.github.io/image-processing/reference.html",
   "dateCreated": "2017-03-14",
   "dateModified": "2023-04-26",
-  "datePublished": "2024-12-03"
+  "datePublished": "2024-12-10"
 }
 
   </script><script>