Image Extract(Image &&image1, std::vector< unsigned int > size=std::vector< unsigned int >(SITK_MAX_DIMENSION, 1), std::vector< int > index=std::vector< int >(SITK_MAX_DIMENSION, 0), ExtractImageFilter::DirectionCollapseToStrategyType directionCollapseToStrategy=itk::simple::ExtractImageFilter::DIRECTIONCOLLAPSETOGUESS)
Decrease the image size by cropping the image to the selected region bounds.