docs: public static <T extends ImageGray<T>>
  	InputToBinary<T> globalOtsu(double minValue, double maxValue, double scale, boolean down, Class<T> inputType) {
  		if( BOverrideFactoryThresholdBinary.globalOtsu != null )
  			return BOverrideFactoryThresholdBinary.globalOtsu.handle(minValue, maxValue, down, inputType);
  		return new GlobalBinaryFilter.Otsu<>(minValue, maxValue, scale, down, ImageType.single(inputType));
  	}