public void Refresh(MainWindow MW, string path)
{
InitializeComponent();
MainWindow = MW;
VideoCapture capture = new VideoCapture(path);
int framecount = (int)Math.Floor(capture.GetCaptureProperty(CapProp.FrameCount));
capture.SetCaptureProperty(CapProp.PosFrames, framecount / 2);
FileName.Content = System.IO.Path.GetFileName(path);
VideoPreview.Source = Watcher.ToBitmapSource(capture.QueryFrame().ToImage <Bgr, Byte>());
}
private void SetImageFace(int index)
{
if (selectedFaces.Count() > 0)
{
Dispatcher.Invoke(() =>
{
SelectedFaceIndex.Content = index + 1;
Face.Source = Watcher.ToBitmapSource(selectedFaces[index]);
ClearFaces.Visibility = Visibility.Visible;
});
}
}
public void SetImagePreview(int index)
{
if (selectedImages.Count() > 0)
{
SelectedFaceImageIndex.Content = String.Format("({0}/{1})", index + 1, selectedImages.Count());
PreviewImage.Source = Watcher.ToBitmapSource(selectedImages[index]);
FindFaces.Visibility = Visibility.Visible;
PrevImage.Visibility = Visibility.Visible;
NextImage.Visibility = Visibility.Visible;
SaveFaceImage.Visibility = Visibility.Visible;
ClearFaceImage.Visibility = Visibility.Visible;
PutImageHereLabel.Visibility = Visibility.Hidden;
}
}
void Timer_Tick(object sender, EventArgs e)
{
//Тестить, фиксить
try
{
CurrentFrame = Capture.QueryFrame().ToImage <Bgr, Byte>();
}
catch (Exception)
{
try
{
Thread.Sleep(100);
Capture = new VideoCapture(CameraIndex);
}
catch (Exception)
{
CameraDisconected.Visibility = Visibility.Visible;
StartStopButton_Click(null, null);
}
return;
}
string reportLog = "",
log = String.Format("{0} - {1}: ", DateTime.Now.ToString(), CameraName.Content);
Image <Bgr, Byte> image = CurrentFrame.Copy();
using (UMat ugray = new UMat())
{
CvInvoke.CvtColor(image, ugray, ColorConversion.Bgr2Gray);
CvInvoke.EqualizeHist(ugray, ugray);
Faces.Clear();
Faces = new List <System.Drawing.Rectangle>();
Faces.AddRange(MainWindow.HaarCascade.DetectMultiScale(ugray, 1.1, 10, new System.Drawing.Size(20, 20)));
int recognizeCount = 0;
foreach (var face in Faces)
{
image.Draw(face, new Bgr(0, 0, 255), 3);
if (MainWindow.PeopleData.Face.Count() != 0)
{
var result = MainWindow.FaceRecognizer.Predict(ugray.ToImage <Gray, Byte>().Copy(face).Resize(100, 100, Inter.Cubic));
if (result.Label > 0 && result.Distance <= 100)
{
recognizeCount++;
string name = MainWindow.PeopleData.Name[result.Label - 1];
image.Draw(100 - (int)result.Distance + " " + name,
new System.Drawing.Point(face.X, face.Y - 10),
FontFace.HersheyComplex,
0.8,
new Bgr(0, 0, 255));
reportLog += name + "; ";
}
}
}
int unknownFaces = Faces.Count() - recognizeCount;
if (unknownFaces > 0)
{
reportLog += unknownFaces + " неизвестных";
}
else if (reportLog == "")
{
reportLog = " ---";
}
if (reportLog != prevReportLog)
{
MainWindow.Logs.Add(log + reportLog);
}
prevReportLog = reportLog;
}
VideoStream.Source = Watcher.ToBitmapSource(image);
RecognizeCount.Content = "(" + Faces.Count() + ")";
}
