Super-resolution technology (Super-Resolution, SR) refers to the reconstruction of corresponding high-resolution images from observed low-resolution images, which has important application value in the fields of surveillance equipment, satellite images, and medical imaging.
Random noise:
First look at two pictures, both of which are 256 * 256 pixels in size. The first one is pure blue. Picture 1: The 
second is blue with random noise. Picture 2:
