| 21. | Blanco mentioned that the seeds yield limpid, odorous oil which is employed in food as an illuminant.
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| 22. | The white point therefore is not only subjective, but also depends strongly on the choice of illuminant.
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| 23. | A given white point, on the other hand, generally does not uniquely correspond to only one illuminant.
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| 24. | For example, one of the simplest illuminants is the " E " or " Equal Energy " spectrum.
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| 25. | New competition also emerged in the 1880s in the form of water gas, an improved illuminant patented by Thaddeus Lowe.
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| 26. | The next step is to determine the values of the test color samples under each illuminant in the CIEUVW color space.
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| 27. | Relative spectral power distribution of illuminant D and a black body of the same correlated color temperature, normalized about 560nm.
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| 28. | The reference illuminant of the Profile connection space ( PCS ) is a 16-bit fractional approximation of Bradford transformation.
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| 29. | Any chromaticity difference between the source and reference illuminants were to be abridged with a von Kries-type chromatic adaptation transform.
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| 30. | The use of gas as illuminant became widely available with the invention of the Dal�n light by Swedish engineer, Gustaf Dal�n.
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