error: expected primary-expression before ‘>’ token
百度到这个帖子的多半情况不一样,但一定是小细节出问题
cv:Ptr<cv::FastFeatureDetector> detector = cv::FastFeatureDetector::create();
detector->detect( color,kps );
错误指向了第二行的>
改为:
cv::Ptr<cv::FastFeatureDetector> detector = cv::FastFeatureDetector::create();
detector->detect( color,kps );
原因是上一行的:变成::