public void AdaptiveThresholding()
{
Statistics statistics = new Statistics(this.Image);
Configurator.Configurator configurator = new Configurator.Configurator();
int radius = configurator.GetIntProperty("photo_adaptivethresholdingradius");
if (radius == 0)
{
PlainThresholding(statistics);
return;
}
int width = GetWidth();
int height = GetHeight();
float[,] source = BitmapToArray(Image, width, height);
float[,] destination = BitmapToArray(Image, width, height);
for (int i = 0; i < width; i++)
{
for (int j = 0; j < height; j++)
{
int count = 0;
var neighbourhood = 0.0f;
for (int k = i - radius; k <= i + radius; k++)
{
for (int l = j - radius; l <= j + radius; l++)
{
if (k >= 0 && l >= 0 && k < width && l < height)
{
neighbourhood += source[k, l];
count++;
}
}
}
neighbourhood /= count;
if (destination[i, j] < neighbourhood)
{
destination[i, j] = 0f;
}
else
{
destination[i, j] = 1f;
}
}
}
Image = ArrayToBitmap(destination, width, height);
}
public ConfigurationController()
{
_config = Configurator.Configurator.Instanse;
}
