getCommandOption 22 samples/cpp/facial_features.cpp static string getCommandOption(const vector<string>&, const string&); getCommandOption 51 samples/cpp/facial_features.cpp eye_cascade_path = (doesCmdOptionExist(args, "-eyes")) ? getCommandOption(args, "-eyes") : ""; getCommandOption 52 samples/cpp/facial_features.cpp nose_cascade_path = (doesCmdOptionExist(args, "-nose")) ? getCommandOption(args, "-nose") : ""; getCommandOption 53 samples/cpp/facial_features.cpp mouth_cascade_path = (doesCmdOptionExist(args, "-mouth")) ? getCommandOption(args, "-mouth") : "";