private void videoSourcePlayer1_NewFrame(object sender, ref Bitmap image)
{
i++;
Bitmap objectsImage = null;
AForge.Imaging.Filters.EuclideanColorFiltering filter = new AForge.Imaging.Filters.EuclideanColorFiltering();
// set center colol and radius
AForge.Imaging.RGB f = new AForge.Imaging.RGB(Color.Red);
filter.CenterColor = f;// AForge.Imaging.RGB..Blue;
filter.Radius = (short)100;
// apply the filter
objectsImage = image;
filter.ApplyInPlace(image);
// lock image for further processing
System.Drawing.Imaging.BitmapData objectsData = objectsImage.LockBits(new Rectangle(0, 0, image.Width, image.Height),
System.Drawing.Imaging.ImageLockMode.ReadOnly, image.PixelFormat);
// AForge.Imaging.Filters.Grayscale.
// grayscaling
AForge.Imaging.UnmanagedImage grayImage = AForge.Imaging.Filters.Grayscale.CommonAlgorithms.BT709.Apply(new AForge.Imaging.UnmanagedImage(objectsData));
// unlock image
objectsImage.UnlockBits(objectsData);
AForge.Imaging.BlobCounter blobCounter = new AForge.Imaging.BlobCounter();
// locate blobs
// blobCounter.MinHeight = 100;
// blobCounter.MinWidth = 60;
blobCounter.ProcessImage(grayImage);
blobCounter.ObjectsOrder = AForge.Imaging.ObjectsOrder.Size;
Rectangle[] rects = blobCounter.GetObjectsRectangles();
if (rects.Length > 0)
{
Rectangle objectRect = rects[0];
// draw rectangle around derected object
Graphics g = Graphics.FromImage(image);
s = s + "\n" + i + " - top = " + objectRect.Top + " bottom " + objectRect.Bottom + " left " + objectRect.Left + " right " + objectRect.Right + " " + objectRect.X + " " + objectRect.Location.X + " " + objectRect.Location.Y;
using (Pen pen = new Pen(Color.FromArgb(160, 255, 160), 5))
{
g.DrawRectangle(pen, objectRect);
}
g.Dispose();
int objectX = objectRect.X + objectRect.Width / 2 - image.Width / 2;
int objectY = image.Height / 2 - (objectRect.Y + objectRect.Height / 2);
// System.Console.Out.
// label1.Text = label1.Text+objectRect.X;
// ParameterizedThreadStart t = new ParameterizedThreadStart(p);
// Thread aa = new Thread(t);
// aa.Start(rects[0]);
}
Graphics g1 = Graphics.FromImage(image);
Pen pen1 = new Pen(Color.FromArgb(160, 255, 160), 3);
g1.DrawLine(pen1, image.Width / 2, 0, image.Width / 2, image.Width);
g1.DrawLine(pen1, image.Width, image.Height / 2, 0, image.Height / 2);
g1.Dispose();
}
/// <summary>
/// Takes in black and white binary image and changes white to colour.
/// </summary>
/// <param name="overBmp">Top binary image (to be coloured).</param>
/// <param name="underBmp">Bottom image (to be overlayed).</param>
/// <param name="colour">Colour to change the white of the binary image to.</param>
/// <returns>Output image with the white of the original binary image overlayed and coloured.</returns>
protected Bitmap ApplyColour(Bitmap overBmp, Bitmap underBmp, System.Drawing.Color colour)
{
Bitmap outImage = ConvertImageFormat(overBmp);
AForge.Imaging.Filters.EuclideanColorFiltering filter = new AForge.Imaging.Filters.EuclideanColorFiltering();
filter.CenterColor = new AForge.Imaging.RGB(System.Drawing.Color.White);
filter.Radius = 0;
filter.FillColor = new AForge.Imaging.RGB(colour);
filter.FillOutside = false;
filter.ApplyInPlace(outImage);
return(outImage);
}
private Bitmap ApplyColour(Bitmap overBmp, Bitmap underBmp, System.Drawing.Color colour)
{
Bitmap newRed = ConvertImageFormat(overBmp);
AForge.Imaging.Filters.EuclideanColorFiltering filter = new AForge.Imaging.Filters.EuclideanColorFiltering();
filter.CenterColor = new AForge.Imaging.RGB(System.Drawing.Color.White); //Pure White
filter.Radius = 0; //Increase this to allow off-whites
filter.FillColor = new AForge.Imaging.RGB(colour); //Replacement Colour
filter.FillOutside = false;
filter.ApplyInPlace(newRed);
//AForge.Imaging.Filters.Merge bfilter = new AForge.Imaging.Filters.Merge(underBmp);
//bfilter.Apply(newRed);
return newRed;
}
/// <summary>
/// Takes in black and white binary image and changes white to colour.
/// </summary>
/// <param name="overBmp">Top binary image (to be coloured).</param>
/// <param name="underBmp">Bottom image (to be overlayed).</param>
/// <param name="colour">Colour to change the white of the binary image to.</param>
/// <returns>Output image with the white of the original binary image overlayed and coloured.</returns>
protected Bitmap ApplyColour(Bitmap overBmp, Bitmap underBmp, System.Drawing.Color colour)
{
Bitmap outImage = ConvertImageFormat(overBmp);
AForge.Imaging.Filters.EuclideanColorFiltering filter = new AForge.Imaging.Filters.EuclideanColorFiltering();
filter.CenterColor = new AForge.Imaging.RGB(System.Drawing.Color.White);
filter.Radius = 0;
filter.FillColor = new AForge.Imaging.RGB(colour);
filter.FillOutside = false;
filter.ApplyInPlace(outImage);
return outImage;
}
