OAST_9_16 10 modules/features2d/perf/perf_agast.cpp AGAST_7_12s = AgastFeatureDetector::AGAST_7_12s, OAST_9_16 = AgastFeatureDetector::OAST_9_16 }; OAST_9_16 5341 modules/features2d/src/agast.cpp static void OAST_9_16(InputArray _img, std::vector<KeyPoint>& keypoints, int threshold)