public static void InitializeFaceRecognizer()
{
_faceRecognizer?.Dispose();
_faceRecognizer = new LBPHFaceRecognizer(Properties.Settings.Default.RecognitionRadius, Properties.Settings.Default.RecognitionNeighbours, 8, 8, Properties.Settings.Default.RecognitionThreshold);
if (!File.Exists(Properties.Settings.Default.RecognitionTrainFile))
{
try
{
Directory.CreateDirectory(Path.GetDirectoryName(Properties.Settings.Default.RecognitionTrainFile));
File.Create(Properties.Settings.Default.RecognitionTrainFile).Close();
}
catch (Exception ex)
{
Debug.WriteLine("Could not create recognition file: " + ex);
}
}
else
{
try
{
_faceRecognizer.Load(Properties.Settings.Default.RecognitionTrainFile);
_trained = true;
}
catch (Exception ex)
{
Debug.WriteLine("Could not load recognition file: " + ex);
}
}
}
private void Form1_FormClosing(object sender, FormClosingEventArgs e)
{
if (cam.IsRunning)
{
recognizer.Dispose();
cam.Stop();
}
}
public static RollSystemMobile.Models.RecognizerResult RecognizeStudentForAttendance(int RollCallID, String ImagePath)
{
//Dua ID cua roll call, cac hinh da up, cho ra danh sach ket qua
FaceRecognizer FaceRec = CreateRollCallRecognizer(RollCallID);
RollSystemMobile.Models.RecognizerResult Result = RecognizeFromImage(FaceRec, ImagePath);
//Dung xong nho dispose cho nhe bo nho
FaceRec.Dispose();
return(Result);
}
public static List <RecognizerResult> RecognizeStudentForAttendance(int RollCallID, List <String> ImagePaths)
{
//Dua ID cua roll call, cac hinh da up, cho ra danh sach ket qua
FaceRecognizer FaceRec = CreateRollCallRecognizer(RollCallID);
List <RecognizerResult> Results = new List <RecognizerResult>();
if (FaceRec == null)
{
return(Results);
}
foreach (var ImagePath in ImagePaths)
{
RecognizerResult Result = RecognizeFromImage(FaceRec, ImagePath);
Results.Add(Result);
}
//Dung xong nho dispose cho nhe bo nho
FaceRec.Dispose();
return(Results);
}
