private void button1_Click_1(object sender, EventArgs e)
{
BitmapFilter.NegativeThreshold(ref loaded, ref processed, 174);
pictureBox1.Image = processed;
double sum = 0;
//locate objects
BlobCounter blobCounter = new BlobCounter();
blobCounter.ProcessImage(processed);
Blob[] blobs = blobCounter.GetObjectsInformation();
Graphics g = Graphics.FromImage(processed);
Pen redPen = new Pen(Color.Red, 2);
SimpleShapeChecker shapeChecker = new SimpleShapeChecker();
for (int i = 0, n = blobs.Length; i < n; i++)
{
List <IntPoint> edgePoints = blobCounter.GetBlobsEdgePoints(blobs[i]);
AForge.Point center;
float radius;
if (shapeChecker.IsCircle(edgePoints, out center, out radius))
{
g.DrawEllipse(redPen,
(int)(center.X - radius),
(int)(center.Y - radius),
(int)(radius * 2),
(int)(radius * 2));
if (blobs[i].Area >= 240 && blobs[i].Area <= 290)
{
sum += 0.05;
}
if (blobs[i].Area >= 315 && blobs[i].Area <= 360)
{
sum += 0.1;
}
if (blobs[i].Area >= 420 && blobs[i].Area <= 500)
{
sum += 0.25;
}
if (blobs[i].Area >= 610 && blobs[i].Area <= 680)
{
sum += 1;
}
if (blobs[i].Area >= 760 && blobs[i].Area <= 840)
{
sum += 5;
}
}
}
redPen.Dispose();
g.Dispose();
MessageBox.Show("Total: " + sum + "\nCount of coins: " + blobs.Length);
pictureBox1.Image = loaded;
}