DualTVL1_CUDA     717 modules/superres/src/optical_flow.cpp     class DualTVL1_CUDA : public GpuOpticalFlow, public cv::superres::DualTVL1OpticalFlow
DualTVL1_CUDA     749 modules/superres/src/optical_flow.cpp     DualTVL1_CUDA::DualTVL1_CUDA() : GpuOpticalFlow(CV_8UC1)