docs: public static <T extends ImageBase<T>>
  	PyramidDiscrete<T> discreteGaussian( int[] scaleFactors , double sigma , int radius ,
  										 boolean saveOriginalReference, ImageType<T> imageType )
  	{
  		Class<Kernel1D> kernelType = FactoryKernel.getKernelType(imageType.getDataType(),1);
  
  		Kernel1D kernel = FactoryKernelGaussian.gaussian(kernelType,sigma,radius);
  
  		return new PyramidDiscreteSampleBlur<>(kernel, sigma, imageType, saveOriginalReference, scaleFactors);
  	}