/// <summary>
/// Constructor
/// </summary>
/// <param name="Configuration">Search configuration parameters</param>
public Board(SearchConfigurator Configuration)
{
this.ImageBlobs = new Emgu.CV.Cvb.CvBlobs();
this.BlobDetector = new Emgu.CV.Cvb.CvBlobDetector();
this.BoardSize = new Size(400, 400);
this.dW = (int)(this.BoardSize.Width / 8);
this.dH = (int)(this.BoardSize.Height / 8);
this.BoxScaling = 15;
this.OutputImageSize = new Size(640, 480);
this.SC = Configuration;
}
/// <summary>
/// Proces the image.
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void btnProcessImage_Click(object sender, EventArgs e)
{
try
{
// Get image from image source.
this.imageFromCamera = this.camera.Capture();
// Create search engine configuration.
this.boardConfiguration = new SearchConfigurator();
// Create processor.
this.playerVS = new VisionSystem.Board(this.boardConfiguration);
// Process the image and get the board configuration.
this.currentBoardConfiguration = playerVS.FindBoard(this.imageFromCamera, out this.outputImage);
this.currentBoardConfiguration.Black = this.ComputerIndex;
this.currentBoardConfiguration.White = this.HumanIndex;
// Apply the processed image.
pbMain.Image = new Bitmap(this.imageFromCamera, pbMain.Size);
// Apply the processed image.
pbProcessed.Image = this.outputImage;
// Print configuration ti the console.
Console.WriteLine(this.currentBoardConfiguration.GetBoardAsString());
// Upadate UI
tsslblStatusProces.Text = "Last action: search for the board.";
}
catch (Exception exception)
{
tsslblStatusProces.Text = String.Format("Exception: {0}", exception.Message);
Loging.Log.CreateRecord("MainForm.btnProcessImage_Click", String.Format("Exception: {0}", exception.Message), Loging.LogMessageTypes.Error);
}
}
/// <summary>
/// Find the board markers.
/// </summary>
/// <param name="InputImage"></param>
/// <returns></returns>
private PointF[] GetBoardMarkers(Bitmap InputImage, SearchConfigurator Configuration)
{
#region Local variables
// Main image.
Image <Gray, Byte> ModelImage;
// Center of image
PointF centerOfImage = new PointF((InputImage.Width / 2), (InputImage.Height / 2));
// For processing
ModelImage = new Image <Gray, Byte>(InputImage);
// Regionpoints
PointF[] listOfEdges = new PointF[MARKERS_COUNT];
#endregion
// Smooth the image, with kernel size 3.
ModelImage = ModelImage.SmoothGaussian(Configuration.SmoothKernelSize);
// Show unperspective image
//CvInvoke.cvShowImage("Stage 1", ModelImage);
// Adaptive tresh
ModelImage = ModelImage.ThresholdAdaptive(new Gray(Configuration.TreshholdLevel),
Emgu.CV.CvEnum.ADAPTIVE_THRESHOLD_TYPE.CV_ADAPTIVE_THRESH_GAUSSIAN_C,
Emgu.CV.CvEnum.THRESH.CV_THRESH_BINARY_INV,
7,
new Gray(4));
// Dilate one iteration the image.
ModelImage = ModelImage.Dilate(1);
// Show unperspective image
//CvInvoke.cvShowImage("Stage 2", ModelImage);
// Get the numers of blobs on the image.
uint numBlobsFound = BlobDetector.Detect(ModelImage, ImageBlobs);
// Lets try and iterate the blobs
foreach (Emgu.CV.Cvb.CvBlob targetBlob in ImageBlobs.Values)
{
// Calculate circularity
MemStorage BlbobStorage = new MemStorage();
Contour <Point> blobContour = targetBlob.GetContour(BlbobStorage);
double blobCircularity = this.GetCircularity(blobContour);
// Calculate area
double blobArea = targetBlob.Area;
// Center image
PointF blobCenter = targetBlob.Centroid;
// Filter the marker by area
if ((blobArea >= Configuration.MinimumMarkerArea) && (blobArea <= Configuration.MaximumMarkerArea) && (blobCircularity > Configuration.MarkerCircularity))
{
Console.WriteLine("A: {0} P: {1} C: {2}", blobArea, 1, blobCircularity);
#region Find msrker quadrant position
if ((blobCenter.X < centerOfImage.X) && (blobCenter.Y < centerOfImage.Y))
{
Console.WriteLine("Quadrant: I");
listOfEdges[0] = targetBlob.Centroid;
}
if ((blobCenter.X > centerOfImage.X) && (blobCenter.Y < centerOfImage.Y))
{
Console.WriteLine("Quadrant: II");
listOfEdges[1] = targetBlob.Centroid;
}
if ((blobCenter.X > centerOfImage.X) && (blobCenter.Y > centerOfImage.Y))
{
Console.WriteLine("Quadrant: III");
listOfEdges[2] = targetBlob.Centroid;
}
if ((blobCenter.X < centerOfImage.X) && (blobCenter.Y > centerOfImage.Y))
{
Console.WriteLine("Quadrant: IV");
listOfEdges[3] = targetBlob.Centroid;
}
#endregion
}
}
// If there is 4 markers return them
if (listOfEdges.Length == 4)
{
return(listOfEdges);
}
// If not null
return(null);
}
