typedef std::vector< TIndex > TOutput;
typedef itk::FunctionBase< TIndex, TOutput > TBaseFunctor;
typedef fpa::Image::Functors::Base< TImage, TBaseFunctor > Superclass;
typedef std::vector< TIndex > TOutput;
typedef itk::FunctionBase< TIndex, TOutput > TBaseFunctor;
typedef fpa::Image::Functors::Base< TImage, TBaseFunctor > Superclass;