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  • License: Freeware
  • Last update: 5 years ago
  • Total downloads: 286
  • Price: Free |
  • Operating system: Linux, Mac OS X, Win All, BSD, Solaris
  • Publisher: John T. McCarthy (1 other programs)
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scripts default iconPSNR (Scripts) Publisher's description

This function displays the PSNR (peak signal-to-noise ratio) between two images

This function displays the PSNR (peak signal-to-noise ratio) between two images. The answer is in decibels (dB).

PSNR is very common in image processing. A sample use is in the comparison between an original image and a coded/decoded image. Typical quoted PSNR figures are in the range +25 to +35dB.

The syntax for this file is PSNR(A,B), where A and B are MATLAB Intensity Images, with matrix-elements in the interval [0,1]

The function can be adapted for images with 256 gray levels.

System Requirements:

MATLAB 7.2 (R2006a)
Program Release Status: Major Update
Program Install Support: Install and Uninstall

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