divergence        279 modules/video/src/opencl/optical_flow_tvl1.cl inline float divergence(__global const float* v1, __global const float* v2, int y, int x, int v1_step, int v2_step)
divergence        838 modules/video/src/tvl1flow.cpp void divergence(const Mat_<float>& v1, const Mat_<float>& v2, Mat_<float>& div)