Pix2pix architecture was presented in 2016 by researchers from Berkeley in their work “Image-to-Image Translation with Conditional Adversarial Networks.”
Find research paper : Image-to-Image Translation with Conditional Adversarial Networks
Find an interesting website that demonstrates the capabilities of pix2pix : Image-to-Image Demo
This implementation was aimed at understandig the model architecture as well as learning model implementation in Tensorlfow-Keras.