private void timer1_Tick(object sender, EventArgs e)
{
imageBox1.Image = cap.QueryFrame();
IDBAccess dataStore = new DBAccess("facesDB.db");
cascadeClassifier = new CascadeClassifier(Application.StartupPath + "/haarcascade_frontalface_default.xml");
using (var imageFrame = cap.QueryFrame().ToImage<Bgr, Byte>())
{
if (imageFrame != null)
{
var grayframe = imageFrame.Convert<Gray, byte>();
var faces = cascadeClassifier.DetectMultiScale(grayframe, 1.2, 10, Size.Empty); //the actual face detection happens here
PackageHost.PushStateObject<Rectangle[]>("faces", faces);
string txt = "";
foreach (var face in faces)
{
imageFrame.Draw(face, new Bgr(Color.BurlyWood), 3); //the detected face(s) is highlighted here using a box that is drawn around it/them
if (File.Exists(Application.StartupPath + "/RecognizerEngineData.YAML"))
{
txt += dataStore.GetUsername(recoEngine.RecognizeUser(imageFrame.GetSubRect(face).Convert<Gray, byte>())) + " ";
}
else
{
txt += "Train the recognizer engine first !";
}
}
if (faces.GetLength(0) > 0)
{
imageFrame.Draw(faces[0], new Bgr(Color.Red), 3);
}
textBox1.Text = txt;
}
imageBox1.Image = imageFrame;
}
}
public RecognizerEngine(String databasePath, String recognizerFilePath)
{
this.recognizerFilePath = recognizerFilePath;
dbAccess = new DBAccess(databasePath);
faceRecognizer = new EigenFaceRecognizer(80, double.PositiveInfinity);
}
private void button3_Click(object sender, EventArgs e)
{
//var faceToSave = new Image<Gray, Byte>(imageBox1.Image.Bitmap);
var faceToSave = cap.QueryFrame();
timer1.Stop();
Byte[] file;
IDBAccess dataStore = new DBAccess("facesDB.db");
var frmSaveDialog = new FrmSaveDialog();
if (frmSaveDialog.ShowDialog() == DialogResult.OK)
{
if (frmSaveDialog._identificationNumber.Trim() != String.Empty)
{
var username = frmSaveDialog._identificationNumber.Trim().ToLower();
var filePath = Application.StartupPath + String.Format("/{0}.bmp", username);
faceToSave.Save(filePath);
using (var stream = new FileStream(filePath, FileMode.Open, FileAccess.Read))
{
using (var reader = new BinaryReader(stream))
{
file = reader.ReadBytes((int)stream.Length);
}
}
var result = dataStore.SaveFace(username, file);
MessageBox.Show(result, "Save Result", MessageBoxButtons.OK);
}
}
timer1.Start();
}
