private void SavePicture(object sender, EventArgs e)
{
try
{
TrainedFacesCounter++;
// Get a gray frame from capture device
Gray = Grabber.QueryGrayFrame().Resize(320, 240, INTER.CV_INTER_CUBIC);
// Face Detector
var scaleFactor = 1.2;
var minNeighbors = 10;
var detectionType = HAAR_DETECTION_TYPE.DO_CANNY_PRUNING;
MCvAvgComp[][] facesDetected = Gray.DetectHaarCascade(Face, scaleFactor, minNeighbors, detectionType, new Size(20, 20));
// Action for each element detected
foreach (MCvAvgComp f in facesDetected[0])
{
TrainedFace = CurrentFrame.Copy(f.rect).Convert <Gray, byte>();
break;
}
LogIt($"Handle frame - scaleFactor:{scaleFactor} minNeighbors:{minNeighbors} detectionType:{detectionType.ToString()}");
string labelName = textBox1.Text.Trim().Replace(" ", "_").ToLower();
// Resize face detected image in order to force to compare the same size with the
// Test image with cubic interpolation type method
TrainedFace = Result.Resize(100, 100, INTER.CV_INTER_CUBIC);
// Show face added in gray scale
imageBox1.Image = TrainedFace;
var imgPath = $"/TrainedFaces/{labelName}@face{DateTime.Now.ToString("yyyymmddhhmmssmm")}.bmp";
TrainedFace.Save(Application.StartupPath + imgPath);
}
catch { }
}
private void button1_Click(object sender, EventArgs e)
{
try
{
gray = grabber.QueryGrayFrame().Resize(320, 240, Emgu.CV.CvEnum.INTER.CV_INTER_CUBIC);
//Face Detector
MCvAvgComp[][] facesDetected = gray.DetectHaarCascade(
face,
1.2,
10,
Emgu.CV.CvEnum.HAAR_DETECTION_TYPE.DO_CANNY_PRUNING,
new Size(20, 20));
//Action for each element detected
foreach (MCvAvgComp f in facesDetected[0])
{
TrainedFace = currentFrame.Copy(f.rect).Convert <Gray, byte>();
break;
}
TrainedFace.Save(Application.StartupPath + "/face" + 1 + ".bmp");
if (SendIamge(Image.FromFile(Application.StartupPath + "/face" + 1 + ".bmp")))
{
File.Delete(Application.StartupPath + "/face" + 1 + ".bmp");
MessageBox.Show(UserLogin.Username + "´s face detected and added :)", "Training OK", MessageBoxButtons.OK, MessageBoxIcon.Information);
}
else
{
MessageBox.Show("Some Thing Go Wrong Contact Support Now..", "Training Fail", MessageBoxButtons.OK, MessageBoxIcon.Exclamation);
}
}
catch
{
MessageBox.Show("Enable the face detection first", "Training Fail", MessageBoxButtons.OK, MessageBoxIcon.Exclamation);
}
}