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Individual differences |
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It is common to use the LMS color space when performing chromatic adaptation (estimating the appearance of a sample under a different illuminant).
XYZ to LMSEdit
Typically, the color to be adapted will be specified in a color space other than LMS, but easily convertible to XYZ. The chromatic adaptation matrix in the von Kries transform method, however, is diagonal in LMS space, thus the usefulness of a transformation matrix M between spaces. The transformation matrices for some chromatic adaptation models in terms of CIEXYZ coordinates are presented here.
- All tristimulus values are normally calculated using the CIE 1931 2° standard colorimetric observer..
- Unless specified otherwise, M is normalized (the rows add up to unity) so the tristimulus values for an equal-energy illuminant (X=Y=Z), like CIE Illuminant E, produce equal LMS values.
|Normalized to D65:|
- ↑ 1.0 1.1 1.2 1.3 1.4 Fairchild, Mark D. (2005). Color Appearance Models, 2E, Wiley Interscience.
- ↑ Westland, Stephen; Ripamonti, Caterina (2004). "6.2.2 CMCCAT97" Computational Colour Science Using MATLAB, Wiley Interscience.
- ↑ Moroney, Nathan; Fairchild, Mark D.; Hunt, Robert W.G.; Li, Changjun; Luo, M. Ronnier; Newman, Todd (November 12 2002). "The CIECAM02 Color Appearance Model". IS&T/SID Tenth Color Imaging Conference, Scottsdale, Arizona: The Society for Imaging Science and Technology. ISBN 0-89208-241-0.
| List of color spaces · Color models|
|See color vision for the vision capacities of organisms or machines.|
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