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STANDARD 15444-2
Third edition
2023-11
Information technology — JPEG 2000
image coding system —
Part 2:
Extensions
Technologies de l'information — Système de codage d'images JPEG
2000 —
Partie 2: Extensions
Reference number
ISO/IEC 15444-2:2023(E)
© ISO/IEC 2023
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ISO/IEC 15444-2:2023(E)
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© ISO/IEC 2023 – All rights reserved
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ISO/IEC 15444-2:2023(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
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ISO and IEC technical committees collaborate in fields of mutual interest. Other international
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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.
ISO and IEC draw attention to the possibility that the implementation of this document may involve the
use of (a) patent(s). ISO and IEC take no position concerning the evidence, validity or applicability of any
claimed patent rights in respect thereof. As of the date of publication of this document, ISO and IEC had
received notice of (a) patent(s) which may be required to implement this document. However,
implementers are cautioned that this may not represent the latest information, which may be obtained
from the patent database available at www.iso.org/patents and https://patents.iec.ch. ISO and IEC shall
not be held responsible for identifying any or all such patent rights.
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World Trade Organization (WTO) principles in the Technical Barriers to Trade (TBT)
see www.iso.org/iso/foreword.html. In the IEC, see /understanding-standards.
This document was prepared by ITU-T (as Rec. ITU-T T.801) and drafted in accordance with its editorial
rules, in collaboration with Joint Technical Committee ISO/IEC JTC 1, Information technology,
Subcommittee SC 29, Coding of audio, picture, multimedia and hypermedia information.
This third edition cancels and replaces the second edition (ISO/IEC 15444-2:2021), which has been
technically revised.
The main changes are as follows:
— Support for progression order extensions.
A list of all parts in the ISO/IEC 15444 series can be found on the ISO and IEC websites.
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 /national-
committees.
© ISO/IEC 2023 – All rights reserved iii
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ISO/IEC 15444-2:2023 (E)
CONTENTS
Page
1 Scope . 1
2 Normative references . 1
3 Definitions . 2
4 Abbreviations . 4
5 Conventions . 4
6 General
...