private static void TestConvertColors(string inputImage, string outputImage)
{
// Get colors of the input image
var img = new Emgu.CV.Image <Bgr, byte>(inputImage);
Bgr[] colors = new Bgr[img.Width * img.Height];
for (int x = 0; x < img.Width; x++)
{
for (int y = 0; y < img.Height; y++)
{
colors[y * img.Width + x] = img[y, x];
}
}
// Convert
Lab[] newColors = ColorConversion.ConvertColors <Bgr, Lab>(colors);
Bgr[] newColors2 = ColorConversion.ConvertColors <Lab, Bgr>(newColors);
// Set colors of output image
var img2 = new Emgu.CV.Image <Bgr, byte>(img.Width, img.Height);
for (int x = 0; x < img2.Width; x++)
{
for (int y = 0; y < img2.Height; y++)
{
img2[y, x] = newColors2[y * img2.Width + x];
}
}
img2.Save(outputImage);
}
public static Lab[] ToLabPalette <TColor>(TColor[] palette)
where TColor : struct, IColor
{
Lab[] labPalette = null;
try {
// Try direct conversion
CvToolbox.GetColorCvtCode(typeof(TColor), typeof(Lab));
labPalette = ColorConversion.ConvertColors <TColor, Lab>(palette);
} catch {
// Indirect conversion (converting first to Rgb)
Rgb[] tempPalette = ColorConversion.ConvertColors <TColor, Rgb>(palette);
labPalette = ColorConversion.ConvertColors <Rgb, Lab>(tempPalette);
}
return(labPalette);
}
