ImageFeature → Smoothing Relation

File in ITK/Modules/Filtering/ImageFeature	Includes file in ITK/Modules/Filtering/Smoothing
include / itkCannyEdgeDetectionImageFilter.h	include / itkDiscreteGaussianImageFilter.h
include / itkHessianRecursiveGaussianImageFilter.h	include / itkRecursiveGaussianImageFilter.h
include / itkLaplacianRecursiveGaussianImageFilter.h	include / itkRecursiveGaussianImageFilter.h
include / itkUnsharpMaskImageFilter.h	include / itkSmoothingRecursiveGaussianImageFilter.h