private bool IsBlink(Emgu.CV.Image <Gray, byte> eye, Emgu.CV.Image <Gray, byte> mouth)
{
if (mouth == null)
{
return(false);
}
Gray eyeAvg;
MCvScalar eyeSc;
eye.AvgSdv(out eyeAvg, out eyeSc);
Gray mouthAvg;
MCvScalar mouthSc;
mouth.AvgSdv(out mouthAvg, out mouthSc);
label1.Text = "Mouth: " + mouthAvg.Intensity.ToString();
label2.Text = "Eyes:" + eyeAvg.Intensity.ToString();
return(eyeAvg.Intensity > 20.0 && mouthAvg.Intensity < 10.0);
}
public void Compute(FrameData data)
{
Rectangle rect = data.Mouth.rect;
if (rect.Height != 0 && rect.Width != 0)
{
rect.X += data.MouthROI.X;
rect.Y += data.MouthROI.Y;
Emgu.CV.Image <Gray, byte> mouth = data.GrayFrame.GetSubRect(rect);
mouth._ThresholdToZero(new Gray(100));
mouth._SmoothGaussian(3);
mouth._Erode(4);
Gray avg = new Gray();
MCvScalar sdv = new MCvScalar();
mouth.AvgSdv(out avg, out sdv);
if (avg.Intensity < 150)
{
gatherer.PushGesture(GestureGatherer.GestureType.MOUTH_OPENED, data.Epoch);
}
}
}