/// <summary>
/// Method for training the images from the database.
/// </summary>
public void TrainRecognizer()
{
try
{
using (var context = new FRModel())
{
var allFaces = context.Images.ToList();
var faceImages = new Image <Gray, byte> [allFaces.Count];
var faceLabels = new int[allFaces.Count];
for (var i = 0; i < allFaces.Count; i++)
{
Stream stream = new MemoryStream();
stream.Write(allFaces[i].Face, 0, allFaces[i].Face.Length);
var faceImage = new Image <Gray, byte>(new Bitmap(stream));
faceImages[i] = faceImage.Resize(100, 100, Inter.Cubic);
faceLabels[i] = allFaces[i].UserId;
}
_faceRecognizer.Train(faceImages, faceLabels);
_faceRecognizer.Save(_recognizerFilePath);
}
}
catch (SqlException)
{
MessageBox.Show(@"Error occured while trying to train the data for facial recognition.",
@"Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
}
private void button2_Click(object sender, EventArgs e)
{
textBox1.Enabled = false;
textBox2.Enabled = false;
textBox3.Enabled = false;
comboBox2.Enabled = false;
if (!string.IsNullOrWhiteSpace(textBox1.Text) && !string.IsNullOrWhiteSpace(textBox2.Text) &&
!string.IsNullOrWhiteSpace(textBox3.Text))
{
try
{
using (var context = new FRModel())
{
var genreId = Convert.ToInt32(comboBox2.SelectedValue);
var gender = context.Genders.Single(g => g.Id == genreId);
var visitor = new Visitor
{
Name = textBox1.Text,
Surname = textBox2.Text,
CardId = textBox3.Text,
Gender = gender
};
context.Visitors.Add(visitor);
context.SaveChanges();
}
}
catch (SqlException)
{
MessageBox.Show(@"Failed saving a visitor. Check your connection or try again.", @"Error",
MessageBoxButtons.OK, MessageBoxIcon.Error);
}
}
else
{
MessageBox.Show(@"You need to enter obligatory fields in order to add a visitor.", @"Warning",
MessageBoxButtons.OK, MessageBoxIcon.Warning);
}
textBox1.Enabled = true;
textBox2.Enabled = true;
textBox3.Enabled = true;
comboBox2.Enabled = true;
textBox1.Text = "";
textBox2.Text = "";
textBox3.Text = "";
}
public UserInfo(int id)
{
InitializeComponent();
Id = id;
using (var context = new FRModel())
{
var user = context.Users.Include(u => u.Gender).Include(u => u.Sector).Single(u => u.PersonalNumber == Id);
Bitmap bmp;
using (var stream = new MemoryStream(user.Avatar))
{
bmp = new Bitmap(stream);
}
var resizedBmp = new Bitmap(bmp, new Size(200, 200));
label1.Text = user.Name;
label2.Text = user.Surname;
label3.Text = Convert.ToString(Id);
label4.Text = user.Gender.Name;
label5.Text = user.Sector.Name;
pictureBox1.Image = resizedBmp;
}
}
public void Displayer()
{
var result = RecognizedLabels.GroupBy(x => x)
.ToDictionary(y => y.Key, y => y.Count())
.OrderByDescending(z => z.Value);
foreach (var x in result)
{
if (x.Value < 3)
{
continue;
}
using (var context = new FRModel())
{
var person = context.Users.First(u => u.PersonalNumber == x.Key);
Bitmap bmp;
using (var stream = new MemoryStream(person.Avatar))
{
bmp = new Bitmap(stream);
}
var resizedBmp = new Bitmap(bmp, new Size(64, 64));
var employee = new Employee(person.PersonalNumber)
{
LabelText = $"{person.Name} {person.Surname}",
Image = resizedBmp
};
flowLayoutPanel1.Controls.Add(employee);
var entrance = new EntranceRegister
{
Time = DateTime.Now,
UserId = x.Key
};
context.EntranceRegisters.Add(entrance);
context.SaveChanges();
}
}
RecognizedLabels.Clear();
}
private void button2_Click(object sender, EventArgs e)
{
var numbers = new List <int>();
using (var con = new FRModel())
{
var users = con.Users.ToList();
numbers.AddRange(users.Select(user => user.PersonalNumber));
}
textBox1.Enabled = false;
textBox2.Enabled = false;
textBox3.Enabled = false;
comboBox1.Enabled = false;
comboBox2.Enabled = false;
pictureBox6.Enabled = false;
if (GrayFaces.Count < 12)
{
MessageBox.Show(@"Please wait until the data set is ready", @"Wait a bit",
MessageBoxButtons.OK, MessageBoxIcon.Information);
}
else
{
if (!string.IsNullOrWhiteSpace(textBox1.Text) && !string.IsNullOrWhiteSpace(textBox2.Text) &&
!string.IsNullOrWhiteSpace(textBox3.Text) && Avatar != null)
{
var exist = false;
foreach (var number in numbers)
{
if (number == Convert.ToInt32(textBox3.Text))
{
exist = true;
}
}
if (!exist)
{
try
{
using (var context = new FRModel())
{
var genreId = Convert.ToInt32(comboBox2.SelectedValue);
var sectorId = Convert.ToInt32(comboBox1.SelectedValue);
var personalNumber = Convert.ToInt32(textBox3.Text);
var gender = context.Genders.Single(g => g.Id == genreId);
var sector = context.Sectors.Single(s => s.Id == sectorId);
var user = new User
{
Name = textBox1.Text,
Surname = textBox2.Text,
PersonalNumber = personalNumber,
Gender = gender,
Sector = sector,
Avatar = Avatar
};
context.Users.Add(user);
context.SaveChanges();
foreach (var grayFace in GrayFaces)
{
var converter = new ImageConverter();
var image = (byte[])converter.ConvertTo(grayFace.ToBitmap(), typeof(byte[]));
context.Images.Add(new Image
{
Face = image,
UserId = Convert.ToInt32(textBox3.Text)
});
context.SaveChanges();
}
}
}
catch (SqlException)
{
MessageBox.Show(@"Failed saving a user. Check your connection or try again.", @"Error",
MessageBoxButtons.OK, MessageBoxIcon.Error);
}
var recognizer = new RecognizerEngine("C:\\FRClient\\TrainingData.yaml");
recognizer.TrainRecognizer();
}
else
{
MessageBox.Show(@"User with the same personal number already exists.", @"Warning",
MessageBoxButtons.OK, MessageBoxIcon.Warning);
}
}
else
{
MessageBox.Show(@"You need to enter obligatory fields in order to add a user.", @"Warning",
MessageBoxButtons.OK, MessageBoxIcon.Warning);
}
}
textBox1.Enabled = true;
textBox2.Enabled = true;
textBox3.Enabled = true;
comboBox1.Enabled = true;
comboBox2.Enabled = true;
pictureBox6.Enabled = true;
textBox1.Text = "";
textBox2.Text = "";
textBox3.Text = "";
GrayFaces.Clear();
}