ANSI CGATS.5 : 2009
Current
The latest, up-to-date edition.
GRAPHIC TECHNOLOGY - SPECTRAL MEASUREMENT AND COLORIMETRIC COMPUTATION FOR GRAPHIC ARTS IMAGES
01-12-2013
Foreword
Introduction
1 Scope and field of application
2 Normative references
3 Definitions, abbreviations, and symbols
4 Spectral measurement requirements
4.1 Instrument calibration
4.2 Measurement source for fluorescing materials
4.3 Wavelength range and interval for measured values
4.4 Reflectance factor measurement
4.5 Transmittance factor measurement
5 Colorimetric computation
5.1 Calculation of tristimulus values
5.2 Calculation of other colorimetric values
5.3 Calculation of densitometric values
6 Data reporting
6.1 General
6.2 Required information
6.3 Electronic data reporting
Annex A (informative) Instrument calibration
Annex B (informative) Improving inter-instrument
agreement
Annex C (informative) Fluorescence in measurement
Annex D (informative) Sample backing during measurement
Annex E (informative) Measurement geometry.
Annex F (informative) Aperture size in reflectance
measurements
Annex G (informative) Procedures for widening the
bandwidth of narrow bandpass instruments
Annex H (informative) Calculation of colorimetric
values
Annex F (informative) Aperture size in reflectance
measurements
Annex G (informative) Procedures for widening the
bandwidth of narrow bandpass instruments
Annex I (informative) Correcting measured colorimetric
data for differences in backing material
Bibliography
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