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chromaticity coordinates |
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chromaticity coordinates [‚krō·mə′tis·əd·ē kō′ȯrd·ən‚āts] (optics) The fractional amounts of thex, y,andzprimary colors, specified by the International Committee on Illumination, in a color sample; more precisely,x=X/(X+Y+Z),y=Y/(X+Y+Z),z=Z/(X+Y+Z), whereX, Y,andZare the integrals over wavelength λ of the product of the amount of light emerging from the sample per unit wavelength, and the tristimulus values,x̄(λ),ȳ(λ), andz̄(λ), respectively. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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