Catalano.Imaging.Tools

Class ColorDifference

java.lang.Object

Catalano.Imaging.Tools.ColorDifference

public class ColorDifference
extends java.lang.Object

Calculate color differences. All of them refers to the CIE-L*ab color space.

Method Summary

Modifier and Type	Method and Description
static double	CIEDE2000(double[] cieLab1, double[] cieLab2) CIE DE 2000.
static double	CIEDE2000(double l1, double a1, double b1, double l2, double a2, double b2) CIE DE 2000.
static double	DeltaC(double[] cieLab1, double[] cieLab2) Delta-C Calculate "distance" between two colors.
static double	DeltaCMC(double[] cieLab1, double[] cieLab2, double wheightL, double wheightC) Delta CMC Calculate "distance" between two colors.
static double	DeltaE(double[] cieLab1, double[] cieLab2) Delta E.
static double	DeltaH(double[] cieLab1, double[] cieLab2) Delta-H Calculate "distance" between two colors.

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Method Detail

DeltaC

public static double DeltaC(double[] cieLab1,
                            double[] cieLab2)

Delta-C Calculate "distance" between two colors.

Parameters:

cieLab1 - CIE-LAB color space.

cieLab2 - CIE-LAB color space.

Returns:

Distance.

DeltaH

public static double DeltaH(double[] cieLab1,
                            double[] cieLab2)

Delta-H Calculate "distance" between two colors.

Parameters:

cieLab1 - CIE-LAB color space.

cieLab2 - CIE-LAB color space.

Returns:

Distance.

DeltaE

public static double DeltaE(double[] cieLab1,
                            double[] cieLab2)

Delta E.

Parameters:

cieLab1 - CIE-L*A*B* color space.

cieLab2 - CIE-L*A*B* color space.

Returns:

Distance.

CIEDE2000

public static double CIEDE2000(double[] cieLab1,
                               double[] cieLab2)

CIE DE 2000. Calculate "distance" between two colors.

Parameters:

cieLab1 - CIE-L*A*B* color space.

cieLab2 - CIE-L*A*B* color space.

Returns:

Distance.

CIEDE2000

public static double CIEDE2000(double l1,
                               double a1,
                               double b1,
                               double l2,
                               double a2,
                               double b2)

CIE DE 2000. Calculate "distance" between two colors.

Parameters:

l1 - L* component.

a1 - A* component.

b1 - B* component.

l2 - L* component.

a2 - A* component.

b2 - B* component.

Returns:

Distance between the two colors.

DeltaCMC

public static double DeltaCMC(double[] cieLab1,
                              double[] cieLab2,
                              double wheightL,
                              double wheightC)

Delta CMC Calculate "distance" between two colors.

Parameters:

cieLab1 - CIE-LAB color space.

cieLab2 - CIE-LAB color space.

wheightL - Wheight L.

wheightC - Wheight C.

Returns:

Distance.