Clarification: TFE =/= TFX?

[mythrandire]

Per my understanding, the functions bunched together in the sub-directory tf_extended are meant to supplement the SSD implementation using standard TensorFlow functions, but it is not the same as TFX - Tensorflow Extended. Is this correct?

If that's the case, perhaps a modification to the readme will help newcomers avoid conflating the two. I'm willing to submit a small PR to help correct this, since I realize that this project/repo was created long before TFX was introduced.