public static double FindDifference(int argb1, int argb2)
{
LAB lab1 = ColorConverter.RgbToLab(argb1);
LAB lab2 = ColorConverter.RgbToLab(argb2);
return(FindDifference(lab1, lab2));
}
public static double FindDifference(int r1, int g1, int b1, int r2, int g2, int b2)
{
LAB lab1 = ColorConverter.RgbToLab(r1, g1, b1);
LAB lab2 = ColorConverter.RgbToLab(r2, g2, b2);
return(FindDifference(lab1, lab2));
}
// double KL = 2;
// double K1 = 0.048;
// double K2 = 0.014;
public static double FindDifference(Color color1, Color color2)
{
LAB lab1 = ColorConverter.RgbToLab(color1.R, color1.G, color1.B);
LAB lab2 = ColorConverter.RgbToLab(color2.R, color2.G, color2.B);
return(FindDifference(lab1, lab2));
}
private static double FindDifference(LAB lab1, LAB lab2)
{
double dL = lab1.L - lab2.L;
double c1 = Math.Sqrt((Math.Pow(lab1.A, 2) + Math.Pow(lab1.B, 2)));
double c2 = Math.Sqrt((Math.Pow(lab2.A, 2) + Math.Pow(lab2.B, 2)));
double dC = c1 - c2;
double da = lab1.A - lab2.A;
double db = lab1.B - lab2.B;
double dH = Math.Sqrt((Math.Pow(da, 2) + Math.Pow(db, 2) - Math.Pow(dC, 2)));
double sec1 = Math.Pow((dL / Kl), 2);
double sec2 = Math.Pow((dC / (1 + (K1 * c1))), 2);
double sec3 = Math.Pow((dH / (1 + (K2 * c1))), 2);
return(Math.Sqrt(sec1 + sec2 + sec3));
}