public override Mat Quantize(Mat image)
{
// convert to gray values
Mat imageGray = new Mat();
if (image.NumberOfChannels > 1)
{
CvInvoke.CvtColor(image, imageGray, ColorConversion.Rgb2Gray);
}
else
{
imageGray = image;
}
// transform
var imageWarped = new Mat(new Size(GameBoyConstants.ScreenWidth, GameBoyConstants.ScreenHeight), DepthType.Default, 1);
CvInvoke.WarpPerspective(imageGray, imageWarped, Transform, new Size(GameBoyConstants.ScreenWidth, GameBoyConstants.ScreenHeight));
if (_blurEnabled)
{
// gauss
CvInvoke.GaussianBlur(imageWarped, imageWarped, new Size(3, 3), 0.6, 0.6);
}
#if DEBUG
if (NoiseLevel > 0.0)
{
imageWarped = imageWarped.AddNoise(NoiseLevel);
}
#endif
// threshold
var imageBinarized = new Mat(new Size(GameBoyConstants.ScreenWidth, GameBoyConstants.ScreenHeight), DepthType.Default, 1);
CvInvoke.AdaptiveThreshold(imageWarped, imageBinarized, _thresholdMaxValue, _thresholdAdaptiveThresholdType, _thresholdType, ThresholdBlockSize, ThresholdConstant);
return(imageBinarized);
}