void StartFacetracker()
    {
        try
        {
            if (debugText != null)
            {
                debugText.GetComponent <GUIText>().text = "Please, wait...";
            }

            // initialize Kinect sensor as needed
            int rc = FacetrackingWrapper.InitKinectSensor((int)FacetrackingWrapper.Constants.ColorImageResolution, (int)FacetrackingWrapper.Constants.DepthImageResolution, FacetrackingWrapper.Constants.IsNearMode);
            if (rc != 0)
            {
                throw new Exception("Initialization of Kinect sensor failed");
            }

            // Initialize the kinect speech wrapper
            rc = FacetrackingWrapper.InitFaceTracking();
            if (rc < 0)
            {
                throw new Exception(String.Format("Error initializing Kinect/FT: hr=0x{0:X}", rc));
            }

            if (ComputeColorMap)
            {
                // Initialize color map related stuff
                usersClrTex  = new Texture2D(FacetrackingWrapper.GetImageWidth(), FacetrackingWrapper.GetImageHeight(), TextureFormat.ARGB32, false);
                usersClrRect = new Rect(Screen.width, Screen.height - usersClrTex.height, -usersClrTex.width, usersClrTex.height);

                colorImage  = new Color32[FacetrackingWrapper.GetImageWidth() * FacetrackingWrapper.GetImageHeight()];
                videoBuffer = new byte[FacetrackingWrapper.GetImageWidth() * FacetrackingWrapper.GetImageHeight() * 4];
            }

            instance = this;
            facetrackingInitialized = true;

            DontDestroyOnLoad(gameObject);

            if (debugText != null)
            {
                debugText.GetComponent <GUIText>().text = "Ready.";
            }
        }
        catch (DllNotFoundException ex)
        {
            Debug.LogError(ex.ToString());
            if (debugText != null)
            {
                debugText.GetComponent <GUIText>().text = "Please check the Kinect and FT-Library installations.";
            }
        }
        catch (Exception ex)
        {
            Debug.LogError(ex.ToString());
            if (debugText != null)
            {
                debugText.GetComponent <GUIText>().text = ex.Message;
            }
        }
    }