computeColor      119 samples/cpp/tvl1_optical_flow.cpp                 dst.at<Vec3b>(y, x) = computeColor(u.x / maxrad, u.y / maxrad);
computeColor      121 samples/gpu/optical_flow.cpp                 dst.at<Vec3b>(y, x) = computeColor(u.x / maxrad, u.y / maxrad);