SparsePyrLkOptFlowEstimator  703 modules/videostab/src/global_motion.cpp     setOpticalFlowEstimator(makePtr<SparsePyrLkOptFlowEstimator>());
SparsePyrLkOptFlowEstimator   57 modules/videostab/src/optical_flow.cpp void SparsePyrLkOptFlowEstimator::run(