setEpsilon        318 modules/cudaoptflow/include/opencv2/cudaoptflow.hpp     virtual void setEpsilon(double epsilon) = 0;
setEpsilon        129 modules/superres/include/opencv2/superres/optical_flow.hpp             virtual void setEpsilon(double val) = 0;
setEpsilon        775 modules/superres/src/optical_flow.cpp         alg_->setEpsilon(epsilon_);
setEpsilon        479 modules/video/include/opencv2/video/tracking.hpp     virtual void setEpsilon(double val) = 0;