This is a super resolution examples for ygo cards' image. It works under TensorFlow 1.7 and the TensorLayer 1.8.0+. And this repository refers to tensorlayer/srgan.
TensorFlow Implementation of "Photo-Realistic Single Image Super-Resolution Using a Generative Adversarial Network"
Here are some results from SRGAN algorithm (from left to right are bicubic, generator and high resolution):