The octave-forge package is the result of The GNU Octave Repositry project,
which is intended to be a central location for custom scripts, functions and
extensions for GNU Octave. contains the source for all the functions plus
build and install scripts.

This is image.

 The Octave-forge Image package provides functions for
 reading, writing, and processing images. The package supports
 almost all image formats through the use of ImageMagick.
 The package also provides functions for feature extraction, image
 statistics, spatial and geometric transformations, morphological
 operations, linear filtering, and much more.

WWW: http://octave.sourceforge.net/