doesCmdOptionExist   24 samples/cpp/facial_features.cpp static bool doesCmdOptionExist(const vector<string>& , const string&);
doesCmdOptionExist   51 samples/cpp/facial_features.cpp     eye_cascade_path = (doesCmdOptionExist(args, "-eyes")) ? getCommandOption(args, "-eyes") : "";
doesCmdOptionExist   52 samples/cpp/facial_features.cpp     nose_cascade_path = (doesCmdOptionExist(args, "-nose")) ? getCommandOption(args, "-nose") : "";
doesCmdOptionExist   53 samples/cpp/facial_features.cpp     mouth_cascade_path = (doesCmdOptionExist(args, "-mouth")) ? getCommandOption(args, "-mouth") : "";