ISO/IEC INTERNATIONAL STANDARD 15444-16 Second edition 2021-09 Information technology JPEG 2000 image coding system Part 16: Encapsulation of JPEG 2000 images into IS0/IEC 23008-12 Reference number IS0/IEC 15444-16:2021(E) IEC ISO @IS0/IEC2021 IS0/IEC15444-16:2021(E) COPYRIGHTPROTECTEDDOCUMENT @IS0/IEC2021 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 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 Email: [email protected] Website: www.iso.org Published in Switzerland ii IS0/IEC2021-Allrights reserved IS0/IEC15444-16:2021(E) Foreword ISo (the International Organization for Standardization) and IEC (the International Electrotechnical Commission)form the specialized system for worldwide standardization.National bodies that are members of Iso or IEC participate in the development of International Standards through technical committees established bytherespective organizationto deal with particularfields oftechnicalactivity ISo and IEc technical committees collaborate in fields of mutual interest. Other international organizations, governmental and non-governmental, in liaison with IsOand IEC, also take part in the work. The procedures used to develop this document and those intended for its further maintenance are described in the ISo/IEC Directives, Part 1. In particular, the different approval criteria needed for the different types of document should be noted.Thisdocument was drafted in accordance with the editorial rules of the ISo/IEC Directives, Part 2 (see www.iso.org/directives or www.iec.ch/members experts/ refdocs) Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. ISO and IEC shall notbe held responsible for identifying any or all such patentrights. Details ofanypatent rights identified duringthe development ofthe document will beintheIntroduction and/or on the Iso list of patent declarations received (seewww.iso.org/patents)orthe IEC list of patent declarations received (see patents.iec.ch) Any trade name used in this document is information given for the convenience of users and does not constituteanendorsement. For an explanation of the voluntary nature of standards, the meaning of Iso specific terms and expressions related to conformity assessment, as well as information about Iso's adherence to the World TradeOrganization(WTO) principlesintheTechnicalBarrierstoTrade(TBT) see www.iso.org/iso/foreword.html. In the IEC, see www.iec.ch/understanding-standards This document was prepared by ITU-T (as Rec. ITU-T T.815) and drafted in accordance with its editorial rules, in collaboration with Joint Technical Committee ISo/IEC JTC1, Information technology, Subcommittee SC29,Coding ofaudio,picture,multimedia andhypermedia information. This second edition cancels and replaces the first edition (IS0/IEC 15444-16:2019)which has been technically revised. Themain changes compared to the previous edition are as follows: the encapsulation of Rec.ITU-T T.802 IIS0/IEC 15444-3 image sequences is deprecated, and replaced by the encapsulation of Rec.ITU-T T.800 IIS0/IEC 15444-1 image sequences; adds support for quality and resolution layers; the syntax and semantics of the JPEG 20oo header item property are clarified; and readerconformancerequirementsareremoved. Alistofall parts intheISO/IEC15444seriescanbefoundontheISOandIECwebsites. Any feedback or questions on this document should be directed to the user's national standards body. A complete listing of these bodies can be found at www.iso.org/members.html and www.iec.ch/national committees. @ IS0 2021 - All rights reserved iii ISO/IEC 15444-16:2021 (E) CONTENTS Page 1 Scope 2 Normative reference 2.1 I