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



Latest stable version: 3.5.5        Current pre-release: 3.6.0 (2025/08/04)

Reference
Table of Contents  ▸  List of Commands  ▸  Filtering  ▸  denoise◀  deinterlace    |    denoise_haar  ▶

denoise

Built-in command

Arguments:

  • [guide],std_deviation_s[%]>=0,std_deviation_r[%]>=0,_patch_size>0,_lookup_size>0,_smoothness,_fast_approx={ 0:No | 1:Yes }    or
  • std_deviation_s[%]>=0,std_deviation_r[%]>=0,_patch_size>0,_lookup_size>0,_smoothness,_fast_approx={ 0:No | 1:Yes }

Description:

Denoise selected images by non-local patch averaging.

Default values:

patch_size=5, lookup_size=6 and smoothness=1.

Example of use:

image.jpg +denoise 5,5,8

Command: image.jpg +denoise 5,5,8
Command: image.jpg +denoise 5,5,8
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.