Traditional Chinese medicine — Computerized tongue image analysis system — Part 3: Colour chart

This document specifies the colour character and appearance of the colour chart used in a computerized tongue image analysis system (CTIS). This document excludes diagnostic or clinical comparison to the colour chart.

Médecine traditionnelle chinoise — Système d’analyse d’images numérisées de la langue — Partie 3: Nuancier

General Information

Status
Published
Publication Date
16-Apr-2020
Current Stage
9093 - International Standard confirmed
Completion Date
30-Jan-2024
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Technical specification
ISO/TS 20498-3:2020 - Traditional Chinese medicine -- Computerized tongue image analysis system
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TECHNICAL ISO/TS
SPECIFICATION 20498-3
First edition
2020-04
Traditional Chinese medicine —
Computerized tongue image analysis
system —
Part 3:
Colour chart
Médecine traditionnelle chinoise — Système d’analyse d’images
numérisées de la langue —
Partie 3: Nuancier
Reference number
ISO/TS 20498-3:2020(E)
©
ISO 2020

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ISO/TS 20498-3:2020(E)

COPYRIGHT PROTECTED DOCUMENT
© ISO 2020
All rights reserved. Unless otherwise specified, or required in the context of its implementation, no part of this publication may
be reproduced or utilized otherwise in any form or by any means, electronic or mechanical, including photocopying, or posting
on the internet or an intranet, without prior written permission. Permission can be requested from either ISO at the address
below or ISO’s member body in the country of the requester.
ISO copyright office
CP 401 • Ch. de Blandonnet 8
CH-1214 Vernier, Geneva
Phone: +41 22 749 01 11
Fax: +41 22 749 09 47
Email: copyright@iso.org
Website: www.iso.org
Published in Switzerland
ii © ISO 2020 – All rights reserved

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ISO/TS 20498-3:2020(E)

Contents Page
Foreword .iv
1 Scope . 1
2 Normative references . 1
3 Terms and definitions . 1
4 Classification . 2
4.1 Colour chart without registration mark . 2
4.2 Colour chart with registration mark . 2
5 Technical requirements . 3
5.1 Accuracy of L*a*b* value . 3
5.2 Colour patch size and margin . 4
5.3 Optical transparency . 5
5.4 Usage of colour chart . 5
5.5 Printing condition . 5
Annex A (informative) Characteristics of each colour patch and the usage of the colour chart .6
Annex B (informative) sRGB values of colour chart . 7
Annex C (informative) Printing condition of each colour patch. 8
Bibliography . 9
© ISO 2020 – All rights reserved iii

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ISO/TS 20498-3:2020(E)

Foreword
ISO (the International Organization for Standardization) is a worldwide federation of national standards
bodies (ISO member bodies). The work of preparing International Standards is normally carried out
through ISO technical committees. Each member body interested in a subject for which a technical
committee has been
...

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