#include "itkConnectedComponentImageFilter.h"
#include "itkStatisticsImageFilter.h"
#include "itkCastImageFilter.h"
-#include "itkDifferenceImageFilter.h"
+#if ITK_VERSION_MAJOR >= 4
+ #include "itkTestingComparisonImageFilter.h"
+#else
+ #include "itkDifferenceImageFilter.h"
+#endif
#include "itkThresholdImageFilter.h"
namespace clitk