/// <summary> /// Extracts the features. /// </summary> /// <returns><c>true</c>, if features was extracted, <c>false</c> otherwise.</returns> /// <param name="image">Image.</param> /// <param name="keypoints">Keypoints.</param> /// <param name="descriptors">Descriptors.</param> bool extractFeatures(Mat image, MatOfKeyPoint keypoints, Mat descriptors) { if (image.total() == 0) { return(false); } if (image.channels() != 1) { return(false); } m_detector.detect(image, keypoints); if (keypoints.total() == 0) { return(false); } m_extractor.compute(image, keypoints, descriptors); if (keypoints.total() == 0) { return(false); } //Debug.Log ("extractFeatures true"); //Mat tmpImage = new Mat(); // //Features2d.drawKeypoints(image, keypoints, tmpImage); // //DebugHelpers.showMat(tmpImage); return(true); }