示例#1
0
        public void TestFaceStart(string selectedFaceStr)
        {
            int selectedFace = -1;

            // get index
            try
            {
                selectedFace = int.Parse(selectedFaceStr.Split('_').Last());
            }
            catch (Exception)
            {
            }


            // get info
            TFaces = new QZTestFaces();
            try
            {
                TFaces.FaceId   = QZFaceArr[selectedFace].Id;
                TFaces.FaceName = QZFaceArr[selectedFace].Name;
            }
            catch (Exception)
            {
                TFaces.FaceId   = -1;
                TFaces.FaceName = "";
            }

            TFaces.Faces   = new List <Image <Gray, byte> >();
            TFaces.FaceIds = new List <int>();

            // load images
            string dir = System.IO.Path.GetFullPath($@"../../Faces/");

            string[] fileEntries = Directory.GetFiles(dir);
            foreach (string fileName in fileEntries)
            {
                string file = Path.GetFileNameWithoutExtension(fileName);

                if (((TFaces.FaceId >= 0) && file.StartsWith(TFaces.FaceName)) || (TFaces.FaceId < 0))
                {
                    string[] faceParts = file.Split('_');
                    string   faceName  = faceParts[0];
                    int      faceId    = Convert.ToInt32(faceParts[1]);

                    TFaces.Faces.Add(new Image <Gray, byte>(fileName));
                    TFaces.FaceIds.Add(faceId);
                }
            }


            // train faces
            //TFaces.FaceRecognition = new EigenFaceRecognizer(80, double.PositiveInfinity);
            //TFaces.FaceRecognition = new EigenFaceRecognizer(0, 1.0);

            TFaces.FaceRecognition = new LBPHFaceRecognizer();
            //TFaces.FaceRecognition = new FisherFaceRecognizer();

            TFaces.FaceRecognition.Train(TFaces.Faces.ToArray(), TFaces.FaceIds.ToArray());

            // open formwebcam
            FormWebCamOpen();

            // test faces
            Mode = EnMode.TFStart;
            FrmMain.ButtonBackColor();
        }