CV_QueryHistTest 314 modules/imgproc/test/test_histograms.cpp class CV_QueryHistTest : public CV_BaseHistTest CV_QueryHistTest 334 modules/imgproc/test/test_histograms.cpp CV_QueryHistTest::CV_QueryHistTest() CV_QueryHistTest 343 modules/imgproc/test/test_histograms.cpp CV_QueryHistTest::~CV_QueryHistTest()