public void Process(FaceDetectionResult result)
{
if (!_classifier.IsTrained)
{
_classifier.Retrain();
}
using (var grayframe = new Image <Gray, byte>(result.Face).Resize(100, 100, Emgu.CV.CvEnum.Inter.Cubic))
{
if (_classifier.Recognise(grayframe))
{
_mediator.SendMessageAsync(this, new FaceRecognitionResult
{
Label = _classifier.GetEigenLabel,
Image = result.Image,
Result = FaceRecognitionResultType.Recognized
}, FaceRecognitionResultType.Recognized);
}
else
{
_mediator.SendMessageAsync(this,
new FaceRecognitionResult
{
Image = result.Image,
Result = FaceRecognitionResultType.Unrecognized
}, FaceRecognitionResultType.Unrecognized);
}
}
}
public void Process(Bitmap picture)
{
using (var grayframe = new Image <Gray, byte>(picture))
{
var result = new FaceDetectionResult
{
Result = FaceDetectionResultType.FaceNotFound,
};
var frontfaces = _frontFaceCascadeClassifier.DetectMultiScale(grayframe, 1.1, 10, Size.Empty);
if (frontfaces.Length > 0)
{
result.Result = FaceDetectionResultType.OneFaceFound;
result.Image = picture;
result.Face = picture.Clone(frontfaces[0], picture.PixelFormat);
Debug.WriteLine("front face found");
_mediator.SendMessageAsync(this, result, result.Result);
return;
}
var leftProfile = _profileCascadeClassifier.DetectMultiScale(grayframe, 1.1, 10, Size.Empty);
if (leftProfile.Length > 0)
{
result.Result = FaceDetectionResultType.OneFaceFound;
result.Image = picture;
result.Face = picture.Clone(leftProfile[0], picture.PixelFormat);
Debug.WriteLine("left profile found");
_mediator.SendMessageAsync(this, result, result.Result);
return;
}
picture.RotateFlip(RotateFlipType.Rotate180FlipY);
var rotatedFrame = new Image <Gray, byte>(picture);
var rightProfile = _profileCascadeClassifier.DetectMultiScale(rotatedFrame, 1.1, 10, Size.Empty);
rotatedFrame.Dispose();
if (rightProfile.Length > 0)
{
result.Result = FaceDetectionResultType.OneFaceFound;
result.Image = picture;
result.Face = picture.Clone(rightProfile[0], picture.PixelFormat);
}
Debug.WriteLine(result.Result == FaceDetectionResultType.FaceNotFound ? "face not found" : "right profile found");
_mediator.SendMessageAsync(this, result, result.Result);
}
}