public void ProcessImage(Bitmap input_image)
{
lock (balanceLock)
{
int side = Math.Min(input_image.Height, input_image.Width);
Rectangle cropRect = new Rectangle(0, 0, side, side); // this is square that represents feed from camera
g.DrawImage(input_image, new Rectangle(0, 0, input_image.Width, input_image.Height), cropRect, GraphicsUnit.Pixel); // place it on original bitmap
// set new processed
if (processed != null)
{
processed.Dispose();
}
// Конвертируем изображение в градации серого
processed = grayFilter.Apply(AForge.Imaging.UnmanagedImage.FromManagedImage(original));
// Пороговый фильтр применяем. Величина порога берётся из настроек, и меняется на форме
threshldFilter.PixelBrightnessDifferenceLimit = ThresholdValue;
threshldFilter.ApplyInPlace(processed);
InvertFilter.ApplyInPlace(processed);
Blober.ProcessImage(processed);
AForge.Imaging.Blob[] blobs = Blober.GetObjectsInformation();
BlobCount = blobs.Length;
if (blobs.Length > 0)
{
var BiggestBlob = blobs[0];
Recongnised = true;
Blober.ExtractBlobsImage(processed, BiggestBlob, false);
processed = BiggestBlob.Image;
AForge.Point mc = BiggestBlob.CenterOfGravity;
AForge.Point ic = new AForge.Point((float)BiggestBlob.Image.Width / 2, (float)BiggestBlob.Image.Height / 2);
AngleRad = (ic.Y - mc.Y) / (ic.X - mc.X);
Angle = (float)(Math.Atan(AngleRad) * 180 / Math.PI);
}
else
{
// TODO make arrengaments for No blobs case
Recongnised = false;
Angle = 0;
AngleRad = -1;
}
if (number != null)
{
number.Dispose();
}
number = processed.ToManagedImage();
}
}