// Generic IO
/// Returns the dimension and pixel type of the *first* input
void GetInputImageDimensionAndPixelType(unsigned int& dim, std::string& pixeltype,
unsigned int & components);
// Generic IO
/// Returns the dimension and pixel type of the *first* input
void GetInputImageDimensionAndPixelType(unsigned int& dim, std::string& pixeltype,
unsigned int & components);