/// <summary>
///
/// </summary>
/// <param name="img"></param>
/// <returns></returns>
public static Bitmap greyImg(Bitmap img, double threshValue1, double blurValue)
{
//Matrix für das Bild
Mat imgMat = new Mat();
//Bild zu Matrix umwandeln
Utils.BitmapToMat(img, imgMat);
//-----------------Bild bearbeiten---------------------
//Variablen
//Size s = new Size(10.0, 10.0);
Size s = new Size(blurValue, blurValue);
OpenCV.Core.Point p = new OpenCV.Core.Point(0, 0);
//TODO Matrix größe beachten?
Bitmap bmp = null;
Mat tmpgrey = new Mat(10, 10, CvType.Cv8uc1, new Scalar(4));
Mat tmpblur = new Mat(10, 10, CvType.Cv8uc1, new Scalar(4));
Mat tmpthresh = new Mat(10, 10, CvType.Cv8uc1, new Scalar(4));
Mat imgresult = new Mat(10, 10, CvType.Cv8uc1, new Scalar(4));
try
{
//Grau
Imgproc.CvtColor(imgMat, tmpgrey, Imgproc.ColorBgr2gray, 4);
//Blur
Imgproc.Blur(tmpgrey, tmpblur, s, p);
//Thresh
//Orginal
//Imgproc.Threshold(tmpblur, tmpthresh, 90, 255, Imgproc.ThreshBinary);
Imgproc.Threshold(tmpblur, tmpthresh, threshValue1, 255, Imgproc.ThreshBinary);
//Kontrast
//tmpthresh.ConvertTo(imgresult, -1, 9.0, 10);
bmp = Bitmap.CreateBitmap(tmpthresh.Cols(), tmpthresh.Rows(), Bitmap.Config.Argb8888);
Utils.MatToBitmap(tmpthresh, bmp);
}
catch (CvException e) { System.Console.WriteLine(e.Message); }
return(bmp);
}