/**
 \defgroup ITKRegionGrowing Module ITKRegionGrowing 
 This module contains classes to perform the region growing
approach to image segmentation.  A seed pixel is iteratively propagated to a
region identifying a tissue type by testing if connected pixels pass a criteria.
See also \ref ITKKLMRegionGrowing. 
 \par Dependencies:
 \li \ref ITKThresholding 
 \dot 
 graph "ITKRegionGrowing" { 
 "ITKRegionGrowing" -- "ITKThresholding"; 
 } 
 \enddot 
 */