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image-criterions-python

Image-Criterions-Python&MATLAB

This repository contains python implementation of SSIM,PSNR,NIQE,VIF

FSIM just can find in matlab,try to repreduce in python soon link

Dependencies

  1. Python (>=3.5)
  2. Numpy (>=1.16)
  3. Python Imaging Library (PIL) (>=6.0)
  4. Steerable Pyramid Toolbox (PyPyrTools) link

Usage

Let imref and imdist denote reference and distorted images respectively. Then the VIF value is calculated as VIF = vifvec(imref, imdist)

A demo code is provided in test.py for testing purposes

[1]H.R. Sheikh, A.C. Bovik and G. de Veciana, "An information fidelity criterion for image quality assessment using natural scene statistics," IEEE Transactions on Image Processing , vol.14, no.12pp. 2117- 2128, Dec. 2005.