#include <itkImageRegionIterator.hxx>
#include <itkSimpleDataObjectDecorator.hxx>
#include <itkImageRegionConstIteratorWithIndex.hxx>
+#include <itkNthElementPixelAccessor.h>
+#include <itkImageBase.hxx>
// -------------------------------------------------------------------------
cpPluginsImageFilters::MultiScaleGaussianImageFilter::