OpenCV之特征检测器(Feature Detector),描述子提取器(Descriptor Extractor)和描述子匹配器(Descriptor Matcher)
1.特征检测子-Harriscv::cornerHarris(image,strength,3,3,0.01);-Fastcv::Ptrfast=cv::FastFeatureDetector::create();//或cv::FAST(InputArrayimage,std::vector&keypoints,intthreshold)//或cv::FAST(InputArrayimage,st