private void Adaptive_Filter_Process()
{
var filter = new AdaptiveSmoothing();
AddLog("filtr AdaptiveSmoothing na " + _view.CurrentFile);
filter.ApplyInPlace(_image);
Thread.Sleep(200);
}
private void Adaptive_Filter_Process(object callback)
{
var filter = new AdaptiveSmoothing();
AddLog("filtr AdaptiveSmoothing na " + _view.CurrentFile);
filter.ApplyInPlace(_image);
Thread.Sleep(200);
((AutoResetEvent)callback).Set();
}
public static Bitmap AdaptiveSmoothing(Bitmap bmp)
{
// create filter
AdaptiveSmoothing filter = new AdaptiveSmoothing();
// apply the filter
filter.ApplyInPlace(bmp);
return(bmp);
}
/*---correction preview---*/
private UnmanagedImage previewCorrection(int imgID)
{
orginalImage = UnmanagedImage.FromManagedImage((Bitmap)System.Drawing.Image.FromFile(examImages[imgID]));
grayImage = UnmanagedImage.Create(orginalImage.Width, orginalImage.Height, PixelFormat.Format8bppIndexed);
//bright into gray
Grayscale.CommonAlgorithms.BT709.Apply(brightnessFilter.Apply(orginalImage), grayImage);
//invert
invertFilter.ApplyInPlace(grayImage);
// create rotation filter
RotateBilinear rotationFilter = new RotateBilinear(-skewChecker.GetSkewAngle(grayImage));
rotationFilter.FillColor = Color.Black;
//rotationFilter.KeepSize = true;
// rotate filter
grayImage = rotationFilter.Apply(grayImage);
//smooth
smoothFilter.ApplyInPlace(grayImage);
//threshold
thresholdFilter.ApplyInPlace(grayImage);
//size filter
blobFilter.CoupledSizeFiltering = true;
blobFilter.MinWidth = minBlobWidth;
blobFilter.MinHeight = minBlobHeight;
blobFilter.ApplyInPlace(grayImage);
//shape filter
blobCounter.ProcessImage(grayImage);
Blob[] blobs = blobCounter.GetObjectsInformation();
circleBlobs = new List <Blob>();
int anchorLeft = 0;
int anchorRight = 0;
Bitmap detactFilter = new Bitmap(grayImage.ToManagedImage());
Graphics graphics = Graphics.FromImage(detactFilter);
List <IntPoint> edgePoints;
AForge.Point center;
float radius;
for (int i = 0; i < blobs.Length; i++)
{
edgePoints = blobCounter.GetBlobsEdgePoints(blobs[i]);
// is circle
if (shapeChecker.IsCircle(edgePoints, out center, out radius))
{
circleBlobs.Add(blobs[i]);
graphics.DrawEllipse(bluePen, (float)(center.X - radius), (float)(center.Y - radius), (float)(radius * 2), (float)(radius * 2));
//is answerd?
if (blobs[i].Fullness > fullnessAvg)
{
graphics.DrawEllipse(greenPen, (float)(center.X - radius), (float)(center.Y - radius), (float)(radius * 2), (float)(radius * 2));
//understand comulmn limits
for (int d = 4; d >= 1; d--)
{
if (blobs[i].Rectangle.X < grayImage.Width / 4 * d)
{
anchorRight = grayImage.Width / 4 * d;
anchorLeft = (grayImage.Width / 4 * d) - grayImage.Width / 4;
}
}
for (int j = i + 1; j < blobs.Length; j++)
{
if (blobs[j].Fullness > fullnessAvg && Math.Abs(blobs[i].Rectangle.Y - blobs[j].Rectangle.Y) < yMinDis && blobs[j].Rectangle.X <anchorRight && blobs[j].Rectangle.X> anchorLeft)
{
graphics.DrawEllipse(yellowPen, (float)(center.X - radius), (float)(center.Y - radius), (float)(radius * 2), (float)(radius * 2));
}
}
} //end of is answerd
} //end of is cricle
} //end of for
return(grayImage);
}
