detectInRegion    216 modules/objdetect/include/opencv2/objdetect/detection_based_tracker.hpp         void detectInRegion(const cv::Mat& img, const cv::Rect& r, std::vector<cv::Rect>& detectedObjectsInRegions);
detectInRegion    681 modules/objdetect/src/detection_based_tracker.cpp         detectInRegion(imageDetect, r, detectedObjectsInRegions);