cv::TrackerKCF::GRAY
cv::TrackerKCF::CN
cv::TrackerKCF::CUSTOM
cv::OPTFLOW_USE_INITIAL_FLOW
cv::OPTFLOW_LK_GET_MIN_EIGENVALS
cv::OPTFLOW_FARNEBACK_GAUSSIAN
cv::MOTION_TRANSLATION
cv::MOTION_EUCLIDEAN
cv::MOTION_AFFINE
cv::MOTION_HOMOGRAPHY
cv::DISOpticalFlow::PRESET_ULTRAFAST
cv::DISOpticalFlow::PRESET_FAST
cv::DISOpticalFlow::PRESET_MEDIUM
