Vec2fComparator    73 modules/cudaimgproc/perf/perf_hough.cpp     struct Vec2fComparator
Vec2fComparator    18 modules/imgproc/perf/opencl/perf_houghLines.cpp struct Vec2fComparator
Vec2fComparator    16 modules/imgproc/test/ocl/test_houghlines.cpp struct Vec2fComparator