setLowThreshold   297 modules/cudaimgproc/include/opencv2/cudaimgproc.hpp     virtual void setLowThreshold(double low_thresh) = 0;
setLowThreshold   195 modules/cudaimgproc/src/generalized_hough.cpp         canny_->setLowThreshold(cannyLowThresh_);
setLowThreshold   181 modules/cudaimgproc/src/hough_circles.cpp         canny_->setLowThreshold(std::max(cannyThreshold_ / 2, 1));