ISO INTERNATIONAL STANDARD 16760 First edition 2014-12-15 Graphic technology Prepress data exchange Preparation and visualization of RGB images to be used in RGB-based graphics arts workflows Technologie graphique - Echange de données pré-impression - Préparation et visualisation d'images RGB a utiliser dans les flux de travail des arts graphiques basés sur le RGB Reference number IS0 16760:2014(E) ISO International Organization for Standardization Zhejiang Institute of Standardization 5956617 @IS02014 ed without license from IHS IS0 16760:2014(E) COPYRIGHTPROTECTEDDOCUMENT @ISO2014 All rights reserved. Unless otherwise specified, 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 Case postale 56 : CH-1211 Geneva 20 Tel. + 41 22 749 01 11 Fax + 41 22 749 09 47 E-mail [email protected] Web www.iso.org Published in Switzerland DrganizationforStandardization Not for Resale, 2015/3/11 02:29:23 No reproduction or networking permited without license from IHS IS0 16760:2014(E) Contents Page Foreword ..iv Introduction. ..V 1 Scope. ..1 2 Normative references 3 Terms and definitions ..1 4 RGB workflow overview. .3 4.1 General. .3 4.2 RGB Reference Images. .3 4.2.1 Configuration of RGB workflow .3 4.2.2 Setup and calibration .4 4.2.3 Operation procedure 4 4.2.4 Highlight and shadow point adjustment .5 4.2.5 Additional data requirements. .5 4.3 Print-simulation workflow .6 4.3.1 Basic functions of print-simulation workflow .6 4.3.2 Ways to achieve basic functions .7 5 File format requirements. .8 5.1 Data delivery .8 5.2 File format extensions .8 5.2.1 General. 5.2.2 Tiff file. ..8 5.2.3 JPEG (JFIF and EXIF) 5.3 XMP data for approval status. .10 6 RGB Reference Prints. ..11 6.1 Colour measurement and viewing 11 6.2 RGB Reference Print requirements .11 6.2.1 Print substrate colour. ..11 6.2.2 Margin information . ..12 6.2.3 Print stability.. ..12 6.2.4 RGB digital control strip .12 6.3 Regular checks of RGB Reference Printer .12 6.3.1 Colourrequirements .12 6.3.2 Determining aim values .13 6.3.3 Reproduction of vignettes ..13 6.3.4 Uniformity test. .13 Annex A (informative) Relationship between highlight and neutral tone value ..15 Annex B (normative) Viewing condition ..17 Annex C (normative) RGB Reference Print colour test chart ..18 Annex D (informative) Key RGB workflow concepts ..23 Annex E (informative) Example aim values for common rendering options ..29 Annex F (normative) Media relative measurements ..30 Annex G (normative) JPEG extension (JPEG-XT) marker segment ..32 Bibliography ..35 ii icensee=Zhejiang Institute of Standardization 5956617 ed without license from IHS