ASTM-E2022 2006

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E2022-06e1 Standard Practice for Calculation of Weighting Factors for Tristimulus Integration

Published By	Publication Date	Number of Pages
ASTM	2006	10

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Category: ASTM

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Description

1.1 This practice describes the method to be used for calculating tables of weighting factors for tristimulus integration using custom spectral power distributions of illuminants or sources, or custom color-matching functions.

1.2 This practice provides methods for calculating tables of values for use with spectral reflectance or transmittance data, which are corrected for the influences of finite bandpass. In addition, this practice provides methods for calculating weighting factors from spectral data which has not been bandpass corrected. In the latter case, a correction for the influence of bandpass on the resulting tristimulus values is built in to the tristimulus integration through the weighting factors.

1.3 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard.

1.4 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to its use.

PDF Catalog

PDF Pages	PDF Title
1	Scope Referenced Documents Terminology Summary of Practice
2	Significance and Use Procedure FIG. 1
3	TABLE 1 TABLE 2 TABLE 3 TABLE 4
4	Precision Keywords X1. EXAMPLE OF THE CALCULATIONS X1.1
5	TABLE X1.1
6	TABLE X1.2
7	TABLE X1.3 TABLE X1.4
8	TABLE X1.5
9	TABLE X1.6 TABLE X1.7
10	TABLE X1.8

Additional information

Standard Title	E2022-06e1 Standard Practice for Calculation of Weighting Factors for Tristimulus Integration
Published Code	ASTM
Publication Date	2006
Pages Count	10

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ASTM-E2022 2006

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