DualTVL1          331 modules/superres/src/optical_flow.cpp     class DualTVL1 : public CpuOpticalFlow, public virtual cv::superres::DualTVL1OpticalFlow
DualTVL1          354 modules/superres/src/optical_flow.cpp     DualTVL1::DualTVL1() : CpuOpticalFlow(CV_8UC1)