private void btSave_Click(object sender, EventArgs e)
{
// receive options from viewv
PluginOptions.CameraDelayMs = Convert.ToInt32(NumCamDelay.Text);
PluginOptions.UseImageCorrection = UseColorCorrection.Checked;
// save options
try {
PluginOptions.SaveOptionsToXml();
// show that settings have been saved
Color prevBtBackColor = btSave.BackColor;
string prevBtMessage = btSave.Text;
btSave.Enabled = false;
btSave.BackColor = Color.FromArgb(202, 81, 0);
btSave.Text = "Options saved.";
var timer = new Timer {
Interval = 2500
};
timer.Tick += delegate {
btSave.BackColor = prevBtBackColor;
btSave.Text = prevBtMessage;
btSave.Enabled = true;
timer.Stop();
timer.Dispose();
};
timer.Start();
}
catch (Exception ex) {
MessageBox.Show("An error occurred while saving options:\r\n" + ex);
}
}
private void DetectAndTrain_Click(object sender, EventArgs e)
{
using (var capture = new VideoCapture()) {
Thread.Sleep(PluginOptions.CameraDelayMs);
using (Image <Bgr, byte> imageFrame = capture.QueryFrame().ToImage <Bgr, byte>()) {
if (imageFrame == null)
{
return;
}
using (Image <Gray, byte> grayframe = imageFrame.Convert <Gray, byte>()) {
if (PluginOptions.UseImageCorrection)
{
grayframe._EqualizeHist();
}
Rectangle[] part1;
using (var classifier = new CascadeClassifier(PluginOptions.CascadesPath + "haarcascade_frontalface_default.xml")) {
part1 = classifier.DetectMultiScale(grayframe, 1.1, 10);
}
if (part1.Length > 0)
{
Rectangle face = part1[0]; //выбор первого лица
using (Image <Gray, byte> resultingImage = imageFrame.Copy(face).Convert <Gray, byte>().Resize(100, 100, Inter.Cubic)) {
imageFrame.Draw(face, new Bgr(Color.Blue), 2);
TestImage.Image = imageFrame;
DetectedGrayFace.Image = resultingImage;
#region Добавление лица
if (string.IsNullOrEmpty(FaceName.Text))
{
MessageBox.Show(
"Сначала введите имя распознанного лица", "Имя лица не указано", MessageBoxButtons.OK, MessageBoxIcon.Warning
);
return;
}
TrainedImages.Add(resultingImage);
PluginOptions.PeopleFaces.Add(
PluginOptions.PeopleFaces.Count + 1,
FaceName.Text
);
TrainedImages.Last().Save($"{PluginOptions.PluginPath}Faces\\face{TrainedImages.Count}.bmp");
#endregion
}
PluginOptions.SaveOptionsToXml();
using (FaceRecognizer recognizer = new EigenFaceRecognizer()) {
recognizer.Train(TrainedImages.ToArray(), PluginOptions.PeopleFaces.Keys.ToArray());
recognizer.Write(PluginOptions.PluginPath + "SavedCascade.xml");
}
MessageBox.Show("Лицо успешно добавлено", "Training OK", MessageBoxButtons.OK, MessageBoxIcon.Information);
}
else
{
MessageBox.Show("лиц не найдено", "Training OK", MessageBoxButtons.OK, MessageBoxIcon.Warning);
}
}
}
}
}
private actionResult TrainFace(string[] parameters)
{
var ar = new actionResult();
#region Parameters parsing
switch (parameters.Length)
{
case 0: {
ar.setError("Path to image not specified.");
return(ar);
}
case 1: {
ar.setError("Face name not specified.");
return(ar);
}
}
Image <Gray, byte> grayImage;
if (string.IsNullOrEmpty(parameters[0]))
{
using (var capture = new VideoCapture()) {
Thread.Sleep(PluginOptions.CameraDelayMs);
grayImage = capture.QueryFrame().ToImage <Gray, byte>();
}
}
else
{
try {
grayImage = new Image <Gray, byte>(parameters[0]);
}
catch {
ar.setError("Invalid path to image.");
return(ar);
}
}
if (PluginOptions.UseImageCorrection)
{
grayImage._EqualizeHist();
}
#endregion
Rectangle[] faces;
using (var classifier = new CascadeClassifier($"{PluginOptions.CascadesPath}haarcascade_frontalface_default.xml")) {
faces = classifier.DetectMultiScale(grayImage, 1.1, 10);
}
if (faces.Length == 0)
{
ar.setError("No face recognized.");
return(ar);
}
using (Image <Gray, byte> faceImage = grayImage.Copy(faces[0]).Resize(100, 100, Inter.Cubic)) {
MainCtl.TrainedImages.Add(faceImage);
PluginOptions.PeopleFaces.Add(PluginOptions.PeopleFaces.Count + 1, parameters[1]);
faceImage.Save($"{PluginOptions.PluginPath}Faces\\face{MainCtl.TrainedImages.Count}.bmp");
}
PluginOptions.SaveOptionsToXml();
grayImage.Dispose();
using (FaceRecognizer recognizer = new EigenFaceRecognizer()) {
recognizer.Train(MainCtl.TrainedImages.ToArray(), PluginOptions.PeopleFaces.Keys.ToArray());
recognizer.Write($"{PluginOptions.PluginPath}SavedCascade.xml");
}
ar.setInfo($"Added face with name: {parameters[0]}.");
return(ar);
}
