Hi all,
the r.seg module for image segmentation and discontinuity detection is now available with documentation, including examples based on the North Carolina GRASS data set, and a simplified user interface.
The module, based on the Mumford-Shah variational model, generates a piece-wise smooth approximation of the input raster and a raster of the discontinuities of the output approximation. The discontinuities of the output approximation are preserved from being smoothed.
Details on the implementation, examples, and the source code can be found here: http://www.ing.unitn.it/~vittia/sw.
The module is also available in the GRASS AddOns source code repository via SVN. [see http://grass.osgeo.org/wiki/GRASS_AddOns\]
For any comments and further information feel free to contact me.
Regards,
Alfonso Vitti
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Alfonso Vitti
Dept. Civil and Environmental Engineering
University of Trento - Italy
alfonso.vitti@ing.unitn.it
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