| 31. | For example, showing how to calculate the color rendering index of standard illuminant FL4 using the procedure outlined in the article.
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| 32. | However, when the two objects are seen under different illuminants, the cone absorptions do not correlate with the true values.
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| 33. | Whale oil was used as a cheap illuminant, though it gave off a strong odor when burnt and was not very popular.
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| 34. | The gas produced during the coking of coal was allowed to escape unused until William Murdoch began to promote coal gas as an illuminant.
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| 35. | To perform spectral analysis of a source, monochromatic light at every wavelength would be needed to create a spectrum response of the illuminant.
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| 36. | They chose the reference 10 degree observer and Illuminant D65 to characterize the uniform space and a neutral gray background of 30 % reflectance.
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| 37. | It is as old as whale oil, which was first used in the 18th century as an illuminant in lamps and to make candles.
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| 38. | Priest proposed to use " the scale of temperature as a scale for arranging the chromaticities of the several illuminants in a serial order ".
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| 39. | The maximum absolute error for color temperatures ranging from 2856 K ( illuminant A ) to 6504 K ( D65 ) is under 2 K.
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| 40. | It is common to use the LMS color space when performing chromatic adaptation ( estimating the appearance of a sample under a different illuminant ).
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