:chart_with_upwards_trend: Implementation of eight evaluation metrics to access the similarity between two images. The eight metrics are as follows: RMSE, PSNR, SSIM, ISSM, FSIM, SRE, SAM, and UIQ.
If you have a super resolved image which you obtain from some CNN for instance and you want to compare it with a ground truth at the same resolution, you can use image similarity measure.
How to use this code for different image dimension
Input 256x256 output 1024x1024 after super resolution