497     std::unordered_map<size_t, Track> tracks_;  member in cv::detail::tracking::TrackerByMatching
635     return tracks_;  in tracks()
735     const auto &track = tracks_.at(id);  in PredictRect()
777     if (tracks_.find(track_id) == tracks_.end()) return true;  in EraseTrackIfBBoxIsOutOfFrame()
778     auto c = Center(tracks_.at(track_id).predicted_rect);  in EraseTrackIfBBoxIsOutOfFrame()
782         tracks_.at(track_id).lost = params_.forget_delay + 1;  in EraseTrackIfBBoxIsOutOfFrame()
796     if (tracks_.find(track_id) == tracks_.end()) return true;  in EraseTrackIfItWasLostTooManyFramesAgo()
797     if (tracks_.at(track_id).lost > params_.forget_delay) {  in EraseTrackIfItWasLostTooManyFramesAgo()
812     tracks_.at(track_id).lost++;  in UpdateLostTrackAndEraseIfItsNeeded()
813     tracks_.at(track_id).predicted_rect =  in UpdateLostTrackAndEraseIfItsNeeded()
814         PredictRect(track_id, params().predict, tracks_.at(track_id).lost);  in UpdateLostTrackAndEraseIfItsNeeded()
872             auto last_det = tracks_.at(track_id).objects.back();  in process()
873             last_det.rect = tracks_.at(track_id).predicted_rect;  in process()
878                     tracks_.at(track_id).objects.back(), last_det.rect,  in process()
939     for (const auto &pair : tracks_) {  in dropForgottenTracks()
951     tracks_.swap(new_tracks);  in dropForgottenTracks()
960     tracks_.erase(track_id);  in dropForgottenTrack()
1003             auto last_det = tracks_.at(id).objects.back();  in ComputeDissimilarityMatrix()
1004             last_det.rect = tracks_.at(id).predicted_rect;  in ComputeDissimilarityMatrix()
1005             ptr[j] = AffinityFast(tracks_.at(id).descriptor_fast, last_det,  in ComputeDissimilarityMatrix()
1027         if (tracks_.at(track_id).descriptor_strong.empty()) {  in ComputeDistances()
1028             images.push_back(tracks_.at(track_id).last_image);  in ComputeDistances()
1046         if (tracks_.at(track_id).descriptor_strong.empty()) {  in ComputeDistances()
1047             tracks_.at(track_id).descriptor_strong =  in ComputeDistances()
1053         descriptors2.push_back(tracks_.at(track_id).descriptor_strong);  in ComputeDistances()
1100         const auto& track = tracks_.at(track_id);  in StrongMatching()
1153     tracks_.emplace(std::pair<size_t, Track>(  in AddNewTrack()
1177     auto &cur_track = tracks_.at(track_id);  in AppendToTrack()
1233     const auto& track = tracks_.at(id);  in isTrackValid()
1245     return isTrackForgotten(tracks_.at(id));  in isTrackForgotten()
1254     for (const auto &pair : tracks_) {  in count()