docs: public static <I extends ImageGray<I>, D extends ImageGray<D>>
  	GeneralFeatureDetector<I, D> general(GeneralFeatureIntensity<I, D> intensity,
  										 NonMaxSuppression extractor,
  										 int maxFeatures ) {
  		GeneralFeatureDetector<I, D> det = new GeneralFeatureDetector<>(intensity, extractor);
  		det.setMaxFeatures(maxFeatures);
  
  		return det;
  	}