【OpenCV】特征检测器FeatureDetector

OpenCV提供FeatureDetector实现特征检测及匹配

Box_in_scene


Box
特征点匹配结果：
Match
另一点需要一提的是SimpleBlob的实现是有Bug的。不能直接通过 Ptr<FeatureDetector> detector = FeatureDetector::create("SimpleBlob");  语句来调用，而应该直接创建 SimpleBlobDetector的对象：



[1] Rosten. Machine Learning for High-speed Corner Detection, 2006