// Use this for initialization
        void Start()
        {
            webCamTextureToMatHelper = gameObject.GetComponent <WebCamTextureToMatHelper> ();

            #if UNITY_WEBGL && !UNITY_EDITOR
            var getFilePath_Coroutine = GetFilePath();
            coroutines.Push(getFilePath_Coroutine);
            StartCoroutine(getFilePath_Coroutine);
            #else
            haarcascade_frontalface_alt_xml_filepath = OpenCVForUnity.Utils.getFilePath("haarcascade_frontalface_alt.xml");
            sp_human_face_68_dat_filepath            = DlibFaceLandmarkDetector.Utils.getFilePath("sp_human_face_68.dat");
            Run();
            #endif
        }