KeypointComparator 1838 modules/ts/src/ts_perf.cpp     KeypointComparator(std::vector<cv::KeyPoint>& pts) : pts_(pts), cmp() {}
KeypointComparator 1845 modules/ts/src/ts_perf.cpp     const KeypointComparator& operator=(const KeypointComparator&); // quiet MSVC
KeypointComparator 1859 modules/ts/src/ts_perf.cpp     std::sort((int*)idxs, (int*)idxs + desc.rows, KeypointComparator(pts));