opencv使用FLANN进行特征点匹配-opencv use FLANN matching the feature point

使用ORB算法进行关键点和描述符的提取，采用摄像头获取待检测图像，使用FLANN—LSH进行匹配。-ORB algorithm using a key point and descr iptor extraction, the use of cameras to obtain the image to be detected using FLANN-LSH match.