A Perceptual Image Sharpness Metric Based on Local Edge Gradient Analysis
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PSI.m
PSI_demo.m
README.md

README.md

Perceptual Sharpness Index (PSI)

A Perceptual Image Sharpness Metric Based on Local Edge Gradient Analysis

MATLAB implementation of the Perceptual Sharpness Index (PSI)

  • PSI.m - Computes the Perceptual Sharpness Index (PSI).
  • PSI_demo.m - Demonstrates the computation for a single image.

Note that the performance of the algorithm may slightly alter with the MATLAB version used (due to MATLAB's edge function).

Please cite the following paper if you use this code.

#!bibtex

@article{feichtenhofer2013perceptual,
  title={A perceptual image sharpness metric based on local edge gradient analysis},
  author={Feichtenhofer, Christoph and Fassold, Hannes and Schallauer, Peter},
  journal={Signal Processing Letters, IEEE},
  volume={20},
  number={4},
  pages={379--382},
  year={2013},
  publisher={IEEE}
}

Christoph Feichtenhofer

cfeichtenhofer AT gmail.com

http://feichtenhofer.github.io