docs: public static <T extends ImageGray<T>, II extends ImageGray<II>>
  	DescribeRegionPoint<T,BrightFeature> surfFast(@Nullable ConfigSurfDescribe.Speed config , Class<T> imageType) {
  
  
  		Class<II> integralType = GIntegralImageOps.getIntegralType(imageType);
  
  		DescribePointSurf<II> alg = FactoryDescribePointAlgs.surfSpeed( config, integralType);
  
  		return new WrapDescribeSurf( alg , imageType );
  	}