/**
 \defgroup ITKSmoothing Module ITKSmoothing 
 This module includes the most common image smoothing
filters. For example, Gaussian and Median filters. You may also find it
interesting to look at the \ref ITKAnisotropicSmoothing group of filters. 
 \par Dependencies:
 \li \ref ITKConvolution 
 \li \ref ITKFFT 
 \li \ref ITKImageFunction 
 \li \ref ITKImageSources 
 \dot 
 graph "ITKSmoothing" { 
 "ITKSmoothing" -- "ITKConvolution"; 
 "ITKSmoothing" -- "ITKFFT"; 
 "ITKSmoothing" -- "ITKImageFunction"; 
 "ITKSmoothing" -- "ITKImageSources"; 
 } 
 \enddot 
 */