public void DetectPupilBlob(Image <Gray, Byte> inputimg, int fullSizeImageW, int fullSizeImageH)
{
pupilBlobCenter = new AForge.Point(0, 0);
//Blob_Aforge PupilBlob;
//PupilBlob = new Blob_Aforge(inputimg.Bitmap,
// (int)(METState.Current.MinPupilDiameter),
// (int)(METState.Current.MaxPupilDiameter),
// (int)(METState.Current.MinPupilDiameter),
// (int)(METState.Current.MaxPupilDiameter),
// 0.55, 2);//should be defined in each frame
PupilBlob = new Blob_Aforge(inputimg.Bitmap,
(int)(METState.Current.MinPupilScale * METState.Current.IrisDiameter),
(int)(METState.Current.MaxPupilScale * METState.Current.IrisDiameter),
(int)(METState.Current.MinPupilScale * METState.Current.IrisDiameter),
(int)(METState.Current.MaxPupilScale * METState.Current.IrisDiameter),
0.55, 4);//???????????????????????????????????????????????? ,2)
if (PupilBlob.blobs_Filtered.Count == 0)//Pupil not found
{
eyeData[0].pupilFound = false;
}
else// Pupil found
{
METState.Current.eye.PupilBlob.SelectedBlob = PupilBlob.blobs_Filtered[0];
#region distance from borders
//if (PupilBlob.blobs_Filtered.Count == 1)
//{
// double dist = Math.Sqrt((Math.Pow(PupilBlob.blobs_Filtered[0].CenterOfGravity.X - METState.Current.EyeImageOrginal.Width / 2, 2)) + (Math.Pow(PupilBlob.blobs_Filtered[0].CenterOfGravity.Y - METState.Current.EyeImageOrginal.Height / 2, 2)));
// if (dist > 0.850 * (METState.Current.EyeImageOrginal.Height / 2))
// {
// // PupilBlob.blobs_Filtered.Clear();
// // PupilBlob.SelectedBlob = null;
// _PupilBlobCenter.X = 0;
// _PupilBlobCenter.Y = 0;
// }
//}
#endregion filter by location
#region distance from center
if (PupilBlob.blobs_Filtered.Count > 1)//??????????????? mage nagofti faghat yedoone blob peida kon ... 0.55, 1);
{
double minDis = 10000;
foreach (AForge.Imaging.Blob blob in PupilBlob.blobs_Filtered)
{
double dist = Math.Sqrt((Math.Pow(blob.CenterOfGravity.X - METState.Current.EyeImageOrginal.Width / 2, 2)) + (Math.Pow(blob.CenterOfGravity.Y - METState.Current.EyeImageOrginal.Height / 2, 2)));
if (dist < minDis)
{
PupilBlob.SelectedBlob = blob;
// border = PupilBlob.hulls[i];
minDis = dist;
}
}
}
#endregion distance from center
//get SelectedBlob
pupilBlobCenter.X = (float)METState.Current.eye.PupilBlob.SelectedBlob.CenterOfGravity.X;
pupilBlobCenter.Y = (float)METState.Current.eye.PupilBlob.SelectedBlob.CenterOfGravity.Y;
// pupildata[0].pupilFound = true;//.............2
bool blobOnROIBorder;
AForge.Point[] border = PupilBlob.GetBlobBorder(PupilBlob.SelectedBlob, pupilROI, new Size(fullSizeImageW, fullSizeImageH), out blobOnROIBorder);
// pupildata[0].pupilEllipse = EmgImgProcssing.EllipseLeastSquareFitting(border);//.................2
//...................................1
//............................remove 2
if (blobOnROIBorder)//
{
eyeData[0].pupilFound = false;
}
else
{
eyeData[0].pupilEllipse = EmgImgProcssing.EllipseLeastSquareFitting(border);
eyeData[0].pupilFound = true;
}
}
}
public void FindGlint(Image <Bgr, Byte> inputimg, int threshold)
{
glintPyrLevel = 0;
Image <Gray, Byte> GrayImg = new Image <Gray, byte>(inputimg.Bitmap);
//rough determination of ROI (size of ROI may exceeds the size of the image no problem for cvSetImageROI)
int d = (int)(METState.Current.IrisDiameter);
if (METState.Current.detectPupil & eyeData[1].pupilFound)
{
glintROI = new Rectangle(
Math.Max(Convert.ToInt32(eyeData[1].pupilCenter.X) - d / 2, 0),
Math.Max(Convert.ToInt32(eyeData[1].pupilCenter.Y) - d / 2, 0),
Math.Min(d, GrayImg.Width),
Math.Min(d, GrayImg.Height)
);
}
else
{
d = 1 * d;//a little bit larger
glintROI = new Rectangle(inputimg.Width / 2 - d / 2, inputimg.Height / 2 - d / 2, d, d);
}
//Modify ROI, it's needed when ROI is not inside the image area
CvInvoke.cvSetImageROI(GrayImg, glintROI);
//ROI will be used later for drawing
glintROI = new Rectangle(glintROI.X, glintROI.Y, GrayImg.Width, GrayImg.Height);
for (int i = 0; i < glintPyrLevel; i++)
{
GrayImg = GrayImg.PyrDown();
}
if (METState.Current.GAdaptive)
{
GrayImg = EmgImgProcssing.Filter_GlintAdaptiveThreshold(GrayImg, 255, false).Erode(1).Dilate(1);
}
else
{
GrayImg = EmgImgProcssing.Filter_Threshold(GrayImg, threshold, false); //.Erode(2).Dilate(2);//;
}
// METState.Current.EyeImageTest = GrayImg;
// GrayImg = GrayImg.Erode(1).Dilate(1);
// GrayImg = GrayImg.Dilate(1).Erode(1);
AForge.Point tempGlintCenter = new AForge.Point(0, 0);
METState.Current.ProcessTimeEyeBranch.Timer("GlintBlob", "Start");
glintBlob = new Blob_Aforge(GrayImg.Bitmap, 5, 30, 5, 30, 0.4, 10);
METState.Current.ProcessTimeEyeBranch.Timer("GlintBlob", "Stop");
glintPyrLevel++;
#region filter blob
if (glintBlob.blobs_Filtered.Count > 0)
{
glintBlob.SelectedBlob = glintBlob.blobs_Filtered[0];
tempGlintCenter = CorrectGlintPoint(glintBlob.SelectedBlob.CenterOfGravity);
if (glintBlob.blobs_Filtered.Count >= 2)
{
List <Blob> temp = glintBlob.blobs_Filtered;
List <double> dists = new List <double>();
foreach (AForge.Imaging.Blob blob in temp)
{
tempGlintCenter = CorrectGlintPoint(blob.CenterOfGravity);
double dist = Math.Sqrt((Math.Pow(tempGlintCenter.X - eyeData[1].pupilCenter.X, 2)) + (Math.Pow(tempGlintCenter.Y - eyeData[1].pupilCenter.Y, 2)));
dists.Add(dist);
}
int i = dists.IndexOf(dists.Min());
////----------------------------------------------------This filter takes the one which is closer to the pupil
glintBlob.SelectedBlob = temp[i];
tempGlintCenter = CorrectGlintPoint(glintBlob.SelectedBlob.CenterOfGravity);
////----------------------------------------------------This filter takes the average of the two closest glint to the pupil
//dists.RemoveAt(i);
//temp.RemoveAt(i);
//i = dists.IndexOf(dists.Min());//this will select the second closest glint
//AForge.Point tempGlintCenter2 = CorrectGlintPoint(temp[i].CenterOfGravity);
//tempGlintCenter = new AForge.Point((tempGlintCenter.X + tempGlintCenter2.X) / 2, (tempGlintCenter.Y + tempGlintCenter2.Y) / 2);
}
#endregion filter blob
}
eyeData[0].glintCenter = tempGlintCenter;//(0,0) if there is no glint
//CvInvoke.cvResetImageROI(GrayImg);
}
