getTau            268 modules/cudaoptflow/include/opencv2/cudaoptflow.hpp     virtual double getTau() const = 0;
getTau            121 modules/superres/include/opencv2/superres.hpp             virtual double getTau() const = 0;
getTau            107 modules/superres/include/opencv2/superres/optical_flow.hpp             virtual double getTau() const = 0;
getTau            753 modules/superres/src/optical_flow.cpp         tau_ = alg_->getTau();
getTau            447 modules/video/include/opencv2/video/tracking.hpp     virtual double getTau() const = 0;