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BS ISO 20654:2017

Current

Current

The latest, up-to-date edition.

Graphic technology. Measurement and calculation of spot colour tone value

Available format(s)

Hardcopy , PDF

Language(s)

English

Published date

08-08-2018

Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Requirements
Bibliography

Provides a metric for assessing intermediate tones of a spot ink for the calculation of Spot Colour Tone Value (SCTV) produces approximately uniform visual spacing of tones between substrate and solid.

This document defines a metric for assessing intermediate tones of a spot ink. This method for the calculation of Spot Colour Tone Value (SCTV) produces approximately uniform visual spacing of tones between substrate and solid. It can be calculated from spectral reflectance or colorimetric measurements of the solid ink, substrate and one or more patches of intermediate tones to be measured.

Committee
PAI/43
DocumentType
Standard
ISBN
9780539019896
Pages
14
PublisherName
British Standards Institution
Status
Current

Standards Relationship
ISO 20654:2017 Identical

ISO 17972-1:2015 Graphic technology Colour data exchange format Part 1: Relationship to CxF3 (CxF/X)
ISO 13655:2017 Graphic technology — Spectral measurement and colorimetric computation for graphic arts images
ISO 5-2:2009 Photography and graphic technology Density measurements Part 2: Geometric conditions for transmittance density
ISO 17972-4:2015 Graphic technology Colour data exchange format (CxF/X) Part 4: Spot colour characterisation data (CxF/X-4)

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