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Matt Terry
2013-07-23 09:32:57 -07:00
parent 1dc46c827f
commit 4b3c11d23e
1 changed files with 3 additions and 0 deletions
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skimage/color/delta_e.py
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@@ -60,6 +60,7 @@ def deltaE_cie76(lab1, lab2):
References
----------
http://en.wikipedia.org/wiki/Color_difference
A. R. Robertson, "The CIE 1976 color-difference formulae," Color Res. Appl. 2, 7-11 (1977).
"""
l1, a1, b1 = _unpack_last(lab1)
l2, a2, b2 = _unpack_last(lab2)
@@ -165,6 +166,7 @@ def deltaE_ciede2000(lab1, lab2, kL=1, kC=1, kH=1):
----------
http://en.wikipedia.org/wiki/Color_difference
http://www.ece.rochester.edu/~gsharma/ciede2000/ciede2000noteCRNA.pdf (doi:10.1364/AO.33.008069)
M. Melgosa, J. Quesada, and E. Hita, "Uniformity of some recent color metrics tested with an accurate color-difference tolerance dataset," Appl. Opt. 33, 8069-8077 (1994).
"""
L1, a1, b1 = _unpack_last(lab1)
L2, a2, b2 = _unpack_last(lab2)
@@ -275,6 +277,7 @@ def deltaE_cmc(lab1, lab2, kL=1, kC=1):
----------
http://en.wikipedia.org/wiki/Color_difference
http://www.brucelindbloom.com/index.html?Eqn_DeltaE_CIE94.html
F. J. J. Clarke, R. McDonald, and B. Rigg, "Modification to the JPC79 colour-difference formula," J. Soc. Dyers Colour. 100, 128-132 (1984).
"""
l1, a1, b1 = _unpack_last(lab1)
l2, a2, b2 = _unpack_last(lab2)