diff --git a/modules/contrib/include/opencv2/contrib/retina.hpp b/modules/contrib/include/opencv2/contrib/retina.hpp
index 13c8978840..8dac0c318a 100644
--- a/modules/contrib/include/opencv2/contrib/retina.hpp
+++ b/modules/contrib/include/opencv2/contrib/retina.hpp
@@ -288,6 +288,10 @@ public:
 	 */
 	void getMagno(std::valarray<float> &retinaOutput_magno);
 
+	// original API level data accessors : get buffers addresses...
+	const std::valarray<float> & getMagno() const;
+	const std::valarray<float> & getParvo() const;
+
 	/**
 	 * activate color saturation as the final step of the color demultiplexing process
 	 * -> this saturation is a sigmoide function applied to each channel of the demultiplexed image.
diff --git a/modules/contrib/src/retina.cpp b/modules/contrib/src/retina.cpp
index 2f986f96ac..c86f2d8ed2 100644
--- a/modules/contrib/src/retina.cpp
+++ b/modules/contrib/src/retina.cpp
@@ -337,6 +337,9 @@ void Retina::getMagno(cv::Mat &retinaOutput_magno)
 // original API level data accessors : copy buffers if size matches
 void Retina::getMagno(std::valarray<float> &magnoOutputBufferCopy){if (magnoOutputBufferCopy.size()==_retinaFilter->getMovingContours().size()) magnoOutputBufferCopy = _retinaFilter->getMovingContours();}
 void Retina::getParvo(std::valarray<float> &parvoOutputBufferCopy){if (parvoOutputBufferCopy.size()==_retinaFilter->getContours().size()) parvoOutputBufferCopy = _retinaFilter->getContours();}
+// original API level data accessors : get buffers addresses...
+const std::valarray<float> & Retina::getMagno() const {return _retinaFilter->getMovingContours();}
+const std::valarray<float> & Retina::getParvo() const {if (_retinaFilter->getColorMode())return _retinaFilter->getColorOutput(); /* implicite else */return _retinaFilter->getContours();}
 
 // private method called by constructirs
 void Retina::_init(const cv::Size inputSize, const bool colorMode, RETINA_COLORSAMPLINGMETHOD colorSamplingMethod, const bool useRetinaLogSampling, const double reductionFactor, const double samplingStrenght)