private void CompareFace(
            Damany.Util.DateTimeRange range,
            OpenCvSharp.IplImage targetImage, OpenCvSharp.CvRect rect)
        {
            try
            {
                IsRunning = true;

                targetImage.ROI = rect;
                int count = 0;

                var gray = targetImage.GetSub(rect).CvtToGray();
                var poi = new PersonOfInterest(targetImage, gray);
                var repo = new PersonOfInterest[] { poi };
                this._comparer.Load(repo.ToList());

                //foreach (var p in portraits)
                //{
                //    if (Exit)
                //    {
                //        break;
                //    }

                //    this.view.CurrentImage = p.GetIpl().ToBitmap();

                //    var colorImg = p.GetIpl();
                //    var imgFromRepository = colorImg.GetSub(p.FaceBounds).CvtToGray();

                //    var result = this._comparer.CompareTo(imgFromRepository);

                //    foreach (var repositoryCompareResult in result)
                //    {
                //        if (repositoryCompareResult.Similarity > Thresholds[ThresholdIndex])
                //        {
                //            count++;
                //            this.view.AddPortrait(p);
                //            this.view.SetStatusText(string.Format("检索到 {0} 个目标", count));
                //        }

                //    }
                //}

            }
            finally
            {
                IsRunning = false;

            }
        }