docs: @SuppressWarnings({"unchecked"})
  	public static <T extends ImageGray<T>, D extends TupleDesc>
  	DescribeRegionPoint<T,D> pixel( int regionWidth , int regionHeight , Class<T> imageType ) {
  		return new WrapDescribePixelRegion(
  				FactoryDescribePointAlgs.pixelRegion(regionWidth,regionHeight,imageType),imageType);
  	}