docs: public static <T extends ImageBase<T>>
  	T median(T input, @Nullable T output, int radius , @Nullable WorkArrays work) {
  		if( input instanceof GrayU8) {
  			return (T)BlurImageOps.median((GrayU8) input, (GrayU8) output, radius, (IWorkArrays)work);
  		} else if( input instanceof GrayF32) {
  			return (T)BlurImageOps.median((GrayF32) input, (GrayF32) output, radius);
  		} else if( input instanceof Planar) {
  			return (T)BlurImageOps.median((Planar)input,(Planar)output,radius, work);
  		} else  {
  			throw new IllegalArgumentException("Unsupported image type");
  		}
  	}