	typedef itk::BinaryThresholdImageFilter<ImageType, ImageType>				BinaryThresholdFilterType;
	
	typedef itk::BinaryContourImageFilter <ImageType, ImageType >
		binaryContourImageFilterType;
	typedef itk::ConnectedComponentImageFilter<ImageType, OutputImageType>		ConnectednessFilterType;
	typedef itk::RelabelComponentImageFilter<IntImageType, ImageType>			RelabelFilterType;
	typedef itk::ConnectedThresholdImageFilter<InputImageType, OutputImageType3>	RegionGrowerFilterType;
	typedef itk::LabelImageToShapeLabelMapFilter<OutputImageType2, LabelMapType > I2LType;