BS ISO 20654:2017:2018 Edition

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Graphic technology. Measurement and calculation of spot colour tone value

Published By	Publication Date	Number of Pages
BSI	2018	14

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Categories: 37.100.01 - Graphic technology in general, BSI

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Description

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.

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PDF Pages	PDF Title
2	undefined
6	Foreword
7	Introduction
8	1 Scope 2 Normative references 3 Terms and definitions
9	4 Requirements 4.1 Calculation of spot colour tone value
10	4.2 Steps for obtaining SCTV from spectral reflectance measurements 4.3 Steps for obtaining SCTV from CIELAB measurements
12	Bibliography

Additional information

Status	Confirmed
Pages	14
Publication Date	2018-08-08
ISBN	978 0 539 01989 6
Standard Number	BS ISO 20654:2017
Title	Graphic technology. Measurement and calculation of spot colour tone value
Identical National Standard Of	ISO 20654:2017
Corrects	BS ISO 20654:2017
Descriptors	Graphic arts, Printing, Colorimetry, Optical properties of materials, Mathematical calculations, Spectra, Colorimetric characteristics, Transmittance, Graphic technology, Measurement, Wave properties and phenomena, Reflectance factor
Publisher	BSI
Committee	PAI/43
ICS Codes	37.100.01 - Graphic technology in general

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BS ISO 20654:2017:2018 Edition

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