// run in ui thread
private void OnFeatureRead(EyeRetrieveResult eyeRetrieveResult, PupilRetrieveResult pupilRetrieveResult)
{
double diff = (frameReadTime - startTime).TotalMilliseconds;
if (startTime.Ticks == 0)
{
diff = 0;
}
if (diff > 15000)
{
Close();
return;
}
double fps = diff.Equals(lastDiff) ? 0 : 1000 / (diff - lastDiff);
lastDiff = diff;
resultWindow.UpdateFPS(fps);
if (eyeRetrieveResult.HasLeftEye)
{
double x_rato = (double)pupilRetrieveResult.LeftPupil.X / img_width;
leftData.Add(x_rato);
double y_rato = 1 - (double)pupilRetrieveResult.LeftPupil.Y / img_height;
leftTopData.Add(y_rato);
OnLeftPupil(diff, x_rato, y_rato);
}
if (eyeRetrieveResult.HasRightEye)
{
double x_rato = (double)pupilRetrieveResult.RightPupil.X / img_width;
rightData.Add(x_rato);
double y_rato = 1 - (double)pupilRetrieveResult.RightPupil.Y / img_height;
rightTopData.Add(y_rato);
OnRightPupil(diff, x_rato, y_rato);
}
}
private void FindFaceFeatures()
{
Marshal.Copy(grayFrame.DataPointer, grayBytes, 0, img_size);
FindFaceEyesIrisAsync().ContinueWith((tsk) =>
{
RetrieveResult retrieveResult = tsk.Result;
if (retrieveResult == null)
{
Dispatcher.BeginInvoke((Action)(() =>
{
BitmapSource grayImage = BitmapSource.Create(
img_width, img_height,
96.0, 96.0, PixelFormats.Gray8,
new BitmapPalette(new System.Windows.Media.Color[] { System.Windows.Media.Color.FromRgb(0, 0, 0), System.Windows.Media.Color.FromRgb(255, 255, 255) }),
grayBytes, img_width);
resultWindow.SetResult(grayImage, grayImage);
lock (_locker)
{
isReady = true;
if ((capture.Grab() == false))
{
App.Current.Shutdown();
}
}
}), DispatcherPriority.Render);
return;
}
FaceRetrieveResult faceRetrieveResult = retrieveResult.Face;
EyeRetrieveResult eyeRetrieveResult = retrieveResult.Eye;
PupilRetrieveResult pupilRetrieveResult = retrieveResult.Pupil;
Emgu.CV.Structure.MCvScalar whiteColor = new Emgu.CV.Structure.MCvScalar(100, 255, 255);
Emgu.CV.Structure.MCvScalar redColor = new Emgu.CV.Structure.MCvScalar(100, 255, 100);
if (faceRetrieveResult.HasFace)
{
RECT face = faceRetrieveResult.Face;
CvInvoke.Rectangle(cameraFrame, face, whiteColor, 3);
if (eyeRetrieveResult.HasLeftEye)
{
RECT leftEye = eyeRetrieveResult.LeftEye;
CIRCLE leftPupil = pupilRetrieveResult.LeftPupil;
CvInvoke.Rectangle(cameraFrame, leftEye, whiteColor, 3);
CvInvoke.Circle(cameraFrame, leftPupil.Center, leftPupil.Radius, redColor, 2);
}
if (eyeRetrieveResult.HasRightEye)
{
RECT rightEye = eyeRetrieveResult.RightEye;
CIRCLE rightPupil = pupilRetrieveResult.RightPupil;
CvInvoke.Rectangle(cameraFrame, rightEye, whiteColor, 3);
CvInvoke.Circle(cameraFrame, rightPupil.Center, rightPupil.Radius, redColor, 2);
}
}
Dispatcher.BeginInvoke((Action)(() =>
{
OnFeatureRead(eyeRetrieveResult, pupilRetrieveResult);
BitmapSource grayImage = BitmapSource.Create(
img_width, img_height,
96.0, 96.0, PixelFormats.Gray8,
new BitmapPalette(new System.Windows.Media.Color[] { System.Windows.Media.Color.FromRgb(0, 0, 0), System.Windows.Media.Color.FromRgb(255, 255, 255) }),
grayBytes, img_width);
BitmapSource resultImage = Bitmap2BitmapImage(cameraFrame.Bitmap);
resultWindow.SetResult(grayImage, resultImage);
lock (_locker)
{
isReady = true;
if ((capture.Grab() == false))
{
App.Current.Shutdown();
}
}
}), DispatcherPriority.Render);
});
}
