skimage2.color.deltaE_cie76

skimage2.color.deltaE_cie76(lab1, lab2, channel_axis=-1)

Euclidean distance between two points in Lab color space

Parameters:

lab1array_like

reference color (Lab colorspace)

lab2array_like

comparison color (Lab colorspace)

channel_axisint, optional

This parameter indicates which axis of the arrays corresponds to channels.

Added in version 0.19: channel_axis was added in 0.19.

Returns:

dEarray_like

distance between colors lab1 and lab2

References

[1]

https://en.wikipedia.org/wiki/Color_difference

[2]

A. R. Robertson, “The CIE 1976 color-difference formulae,” Color Res. Appl. 2, 7-11 (1977).