private void RecognizeUser(ref Image <Bgr, byte> original, Image <Gray, byte> grayframe, Rectangle rectangle)
{
grayframe.ROI = rectangle;
var size = Properties.Settings.Default.RecognitionImageSize;
try
{
var id = RecognitionEngine.RecognizeUser(grayframe.Copy().Resize(size, size, Inter.Cubic));
if (id > 0)
{
var user = RecognitionData.GetUser(id);
if (user != null)
{
original.Draw(user.Username, new Point(rectangle.Left, rectangle.Top - 10), FontFace.HersheyPlain, 2, new Bgr(Color.DarkTurquoise));
}
}
}
catch (CvException)
{
// ignored
}
}