DETECTION          17 samples/cpp/3calibration.cpp enum { DETECTION = 0, CAPTURING = 1, CALIBRATED = 2 };
DETECTION          82 samples/cpp/calibration.cpp enum { DETECTION = 0, CAPTURING = 1, CALIBRATED = 2 };
DETECTION         219 samples/cpp/tutorial_code/calib3d/camera_calibration/camera_calibration.cpp enum { DETECTION = 0, CAPTURING = 1, CALIBRATED = 2 };