typedef itk::WarpImageFilter< MovingImageType, FixedImageType, DeformationField4DType > WarpFilterType;
typename WarpFilterType::Pointer warp = WarpFilterType::New();
typedef itk::WarpImageFilter< MovingImageType, FixedImageType, DeformationField4DType > WarpFilterType;
typename WarpFilterType::Pointer warp = WarpFilterType::New();