public void Run()
{
using (var src = Cv2.ImRead(FilePath.Image.Binarization, ImreadModes.GrayScale))
using (var niblack = new Mat())
using (var sauvola = new Mat())
using (var bernsen = new Mat())
using (var nick = new Mat())
{
int kernelSize = 51;
var sw = new Stopwatch();
sw.Start();
Binarizer.Niblack(src, niblack, kernelSize, -0.2);
sw.Stop();
Console.WriteLine($"Niblack {sw.ElapsedMilliseconds} ms");
sw.Restart();
Binarizer.Sauvola(src, sauvola, kernelSize, 0.1, 64);
sw.Stop();
Console.WriteLine($"Sauvola {sw.ElapsedMilliseconds} ms");
sw.Restart();
Binarizer.Bernsen(src, bernsen, kernelSize, 50, 200);
sw.Stop();
Console.WriteLine($"Bernsen {sw.ElapsedMilliseconds} ms");
sw.Restart();
Binarizer.Nick(src, nick, kernelSize, -0.14);
sw.Stop();
Console.WriteLine($"Nick {sw.ElapsedMilliseconds} ms");
using (new Window("src", WindowMode.AutoSize, src))
using (new Window("Niblack", WindowMode.AutoSize, niblack))
using (new Window("Sauvola", WindowMode.AutoSize, sauvola))
using (new Window("Bernsen", WindowMode.AutoSize, bernsen))
using (new Window("Nick", WindowMode.AutoSize, nick))
{
Cv2.WaitKey();
}
}
}
public static void Binarize(Mat mat, int blockSize, Mat res)
{
Cv2.CvtColor(mat, tmp, ColorConversionCodes.RGB2GRAY);
Binarizer.Sauvola(tmp, res, blockSize, 0.15, 32);
}
