public static void NormalizeRGB(this Mat self, Mat output, double clip)
{
if (self.Channel != 3)
{
throw new NotSupportedException("Channel sould be RGB");
}
ConvertColor(self, ColorConversionCodes.BGR2Lab);
Mat[] spl = Split(self);
CLAHE c = CLAHE.Create(clip, new OpenCvSharp.Size(8, 8));
c.Apply(spl[0], spl[0]);
Merge(self, spl);
ConvertColor(self, ColorConversionCodes.Lab2BGR);
}
public void cuda_CLAHE()
{
Mat src = Image("lenna.png", ImreadModes.Grayscale);
Size size = src.Size();
Cuda.CLAHE clahe = Cuda.CLAHE.create(20.0);
CLAHE clahe_gold = CLAHE.Create(20.0);
using (GpuMat g_src = new GpuMat(size, src.Type()))
using (GpuMat dst = new GpuMat()) {
g_src.Upload(src);
clahe.Apply(g_src, dst);
Mat dst_gold = new Mat();
clahe_gold.Apply(src, dst_gold);
ImageEquals(dst_gold, dst, 1.0);
ShowImagesWhenDebugMode(src, dst);
}
}