Reference

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psnr

Arguments:

Description:

Compute PSNR (Peak Signal-to-Noise Ratio) matrix between selected images.

Default values:

max_value=255.

Example of use:

$ gmic image.jpg +noise 30 +noise[0] 35 +noise[0] 38 cut[-1] 0,255 psnr 255 replace_inf 0
Command: image.jpg +noise 30 +noise[0] 35 +noise[0] 38 cut[-1] 0,255 psnr 255 replace_inf 0