// Determine pixetype, dimension and number of pixel components of an image file
void ReadImageDimensionAndPixelType(const std::string & filename, int & dimension, std::string & pixeType, int & components);
// Determine pixetype, dimension and number of pixel components of an image file
void ReadImageDimensionAndPixelType(const std::string & filename, int & dimension, std::string & pixeType, int & components);