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

A Full-Featured Open-Source Framework for Image Processing



Latest stable version: 3.1.4

Reference

Table of Contents  ▸  List of Commands  ▸  Geometry Manipulation  ▸  extract◀  expand_z    |    extract_region  ▶

extract

Arguments:

Description:

Extract a list of coordinates or values from selected image, where

specified mathematical condition holds.
For N coordinates matching, result is a 1xNx1x4 image.

Default values:

output_type=0.

Example of use:

$ gmic sp lena +extract "norm(I)>128",3

Command: sp lena +extract "norm(I)>128",3
Command: sp lena +extract "norm(I)>128",3
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.