G'MIC - GREYC's Magic for Image Computing: A Full-Featured Open-Source Framework for Image Processing

A Full-Featured Open-Source Framework for Image Processing

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Latest stable version: 3.5.5 Current pre-release: 3.6.0 (2025/07/08)

Reference

Table of Contents ▸ List of Commands ▸ Features Extraction ▸ psnr

◀ pointcloud | psnr_matrix ▶

psnr

Arguments:

[reference],_max_value>0

Description:

Return PSNR (Peak Signal-to-Noise Ratio) between selected images and specified reference image.

This command does not modify the images. It returns a value or a list of values in the status.

Default values:

max_value=255.

G'MIC - GREYC's Magic for Image Computing: A Full-Featured Open-Source Framework for Image Processing

G'MIC is an open-source software distributed under the CeCILL free software licenses (LGPL-like and/or
GPL-compatible). Copyrights (C) Since July 2008, David Tschumperlé - GREYC UMR CNRS 6072, Image Team.