BinarizeFixed

DjvuImage.BinarizeFixed method

Binarization of an image with predefined threshold

public override void BinarizeFixed(byte threshold)
Parameter Type Description
threshold Byte Threshold value. If corresponding gray value of a pixel is greater than threshold, a value of 255 will be assigned to it, 0 otherwise.

Examples

The following example binarizes a DJVU image with the predefined threshold. Binarized images contain only 2 colors - black and white.

[C#]

string dir = "c:\\temp\\";

using (Aspose.Imaging.Image image = Aspose.Imaging.Image.Load(dir + "sample.djvu"))
{
    Aspose.Imaging.FileFormats.Djvu.DjvuImage djvuImage = (Aspose.Imaging.FileFormats.Djvu.DjvuImage)image;

    // Binarize the image with a threshold value of 127.
    // If a corresponding gray value of a pixel is greater than 127, a value of 255 will be assigned to it, 0 otherwise.
    djvuImage.BinarizeFixed(127);
    djvuImage.Save(dir + "sample.BinarizeFixed.png", new Aspose.Imaging.ImageOptions.PngOptions());
}

See Also