computeKeyPoints  768 modules/features2d/src/orb.cpp static void computeKeyPoints(const Mat& imagePyramid,
computeKeyPoints   18 samples/cpp/tutorial_code/calib3d/real_time_pose_estimation/src/RobustMatcher.cpp void RobustMatcher::computeKeyPoints( const cv::Mat& image, std::vector<cv::KeyPoint>& keypoints)