public void InitializeFrameGrabber()
 {
     SetUpListenerNewFrame();
     SetUpListenerNewResultFromAPICall();
     _openCVService.DefaultFrontalFaceDetector();
     _frameGrabber.AnalysisFunction = _faceService.FacesAnalysisFunction;
 }
 public VideoFrameAnalyzerService(IEventAggregator eventAggregator, IVisualizationService visualizationService, IOpenCVService openCVService, IFaceService faceService)
 {
     _frameGrabber         = new FrameGrabber <LiveCameraResult>();
     _eventAggregator      = eventAggregator;
     _visualizationService = visualizationService;
     _openCVService        = openCVService;
     _faceService          = faceService;
     _localFaceDetector    = _openCVService.DefaultFrontalFaceDetector();
 }