setLevels         797 modules/imgproc/include/opencv2/imgproc.hpp     virtual void setLevels(int levels) = 0;
setLevels         815 modules/imgproc/include/opencv2/imgproc.hpp     virtual void setLevels(int levels) = 0;
setLevels          94 samples/gpu/generalized_hough.cpp         ballard->setLevels(levels);
setLevels         106 samples/gpu/generalized_hough.cpp         guil->setLevels(levels);