ISO/IEC 19566-10:2024
(Main)Information technology — JPEG Systems — Part 10: Reference software
Information technology — JPEG Systems — Part 10: Reference software
This document specifies a reference software implementation of ISO/IEC 19566-5. The reference software is accompanied with a reference dataset which provides an extensive list of the various JUMBF data structures specified in ISO/IEC 19566-5.
Titre manque — Partie 10: Titre manque
General Information
Standards Content (Sample)
International
Standard
ISO/IEC 19566-10
First edition
Information technology — JPEG
2024-12
Systems —
Part 10:
Reference software
Reference number
© ISO/IEC 2024
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© ISO/IEC 2024 – All rights reserved
ii
Contents Page
Foreword .iv
Introduction .v
1 Scope . 1
2 Normative references . 1
3 Terms, definitions and abbreviated terms . 1
3.1 Terms and definitions .1
3.2 Abbreviated terms .1
4 Reference software . 2
4.1 Purpose .2
4.2 Examples of use .2
4.3 Warranty disclaimer .3
4.4 General .3
Annex A (informative) Validation of ISO/IEC 19566-5 (JUMBF) reference software. 4
Annex B (informative) JUMBF reference software: Java implementation. 9
Bibliography .18
© ISO/IEC 2024 – All rights reserved
iii
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 by the respective organization to deal with particular fields of technical activity.
ISO and IEC technical committees collaborate in fields of mutual interest. Other international organizations,
governmental and non-governmental, in liaison with ISO and 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. This document 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).
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 not
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.
Any trade name used in this document is information given for the convenience of users and does not
constitute an endorsement.
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 Trade
Organization (WTO) principles in the Technical Barriers to Trade (TBT) see www.iso.org/iso/foreword.html.
In the IEC, see www.iec.ch/understanding-standards.
This document was prepared by Joint Technical Committee ISO/IEC JTC 1, Information technology,
Subcommittee SC 29, Coding of audio, picture, multimedia and hypermedia information.
A list of all parts in the ISO 19566 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
www.iec.ch/national-committees.
© ISO/IEC 2024 – All rights reserved
iv
Introduction
The JPEG Universal Metadata Box Format (JUMBF) provides a mechanism to embed and refer generic
metadata in JPEG files. Specific content types can be assigned to identify the specific type of the embedded
metadata.
This document describes a reference software implementation that handles JUMBF data according to the
Content Types specified in ISO/IEC 19566-5. Initially, the JUMBF reference dataset is presented, consisting of
standalone JUMBF files as well as JPEG-1 encoded images. In addition, the respective validation procedure is
specified which enables the validation of candidate implementations of ISO/IEC 19566-5. Finally, a detailed
analysis of the Java reference implementation of ISO/IEC 19566-5 is presented, demonstrating the software
design which is followed to support the JUMBF data model.
© ISO/IEC 2024 – All rights reserved
v
International Standard ISO/IEC 19566-10:2024(en)
Information technology — JPEG Systems —
Part 10:
Reference software
1 Scope
This document specifies a reference software implementation of ISO/IEC 19566-5. The reference software is
accompanied with a reference dataset which provides an extensive list of the various JUMBF data structures
specified in ISO/IEC 19566-5.
2 Normative references
The following documents are referred to in the text in such a way that some or all of their content constitutes
requirements of this document. For dated references, only the edition cited applies. For undated references,
the latest edition of the referenced document (including any amendments) applies.
ISO/IEC 19566-5, Information technologies — JPEG systems — Part 5: JPEG universal metadata box format (JUMBF)
3 Terms, definitions and abbreviated terms
3.1 Terms and definitions
For the purposes of this document, the following terms and definitions apply.
ISO and IEC maintain terminology databases for use in standardization at the following addresses:
— ISO Online browsing platform: available at https:// www .iso .org/ obp
— IEC Electropedia: available at https:// www .electropedia .org
3.1.1
codestream
compressed image data representation that includes all necessary data to allow a (full or approximate)
reconstruction of the sample values of a digital image
3.2 Abbreviated terms
APP11 application marker 11: JPEG XT extension marker
CBOR concise binary object representation
CLI command line interface
CSV comma separated values
GUI graphical user interface
IoC inversion of controls
ISOBMFF ISO base media file format
© ISO/IEC 2024 – All rights reserved
IV initial value
JPEG joint photographic experts group
JPEG-1 image complying to ISO/IEC 10918-1
JP2C JPEG contiguous codestream
1)
JSON JavaScript
object notation
JUMBF jpeg universal metadata box format
POJO plain old java object
UUID universally unique identifier
XML extensible markup language
4 Reference software
4.1 Purpose
The use of the reference software is not required for making an implementation of parser or generator in
conformance to any of the parts of the ISO/IEC 19566 series. Requirements established in all parts of the
ISO/IEC 19566 series take precedence over the behaviour of the reference software.
4.2 Examples of use
This subclause enumerates possible uses of the reference implementations presented in the annexes:
a) Sample parser. Users can use the reference implementations to inspect, even through visualization, the
structure and contents of the JUMBF data model as specified in ISO/IEC 19566.
b) Sample generator. Users could use the reference implementations to create JUMBF files that could
be used to facilitate the development of applications that take advantage of the benefits of JUMBF
specification.
c) Provide anchor implementations for development purposes. JUMBF data model developers could study
the reference implementations presented in the annexes in order to gain better insight on the algorithms
as well as on how JUMBF Boxes are interconnected.
d) Provide anchor implementations to test possible conformant software. This facilitates developers to
have an existing implementation act as a ground truth which will assist them assess the validity of their
own implementations.
The lack of detection of any conformance violation by any reference software implementation should not
be considered as a definite proof that the codestream under testing conforms to all constraints required
for it to be conforming to one of the parts of the ISO/IEC 19566 series. Similarly, the computation resource
characteristics in terms of program or data memory usage, execution speed, etc. of sample software
encoder or decoder implementations shall not be construed as a representative of the typical, minimal or
maximal computational resource characteristics to be exhibited by implementations of some parts of the
ISO/IEC 19566 series.
TM
1) JavaScript is the trademark of a product supplied by Oracle® Corporation. This information is given for the
convenience of users of this document and does not constitute an endorsement by ISO or IEC of the product named.
Equivalent products may be used if they can be shown to lead to the same results.
© ISO/IEC 2024 – All rights reserved
4.3 Warranty disclaimer
Regardless of any and all statements made herein or elsewhere regarding the possible uses of the reference
software, the following disclaimers of warranty apply to the provided reference software implementations:
— ITU, ISO and IEC disclaim any and all warranties, whether express, implied, or statutory, including any
implied warranties of merchantability or of fitness for a particular purpose.
— In no event shall the contributor(s) or ITU, ISO or IEC be liable for any incidental, punitive or consequential
damages of any kind whatsoever arising from the use of these programs.
— This disclaimer of warranty extends to the user of these programs and the user’s customers, employees,
agents, transferees, successors, and assignees.
— ITU, ISO and IEC do not represent or warrant that the software is free of infringements of any patents.
— Commercial applications of ITU-T Recommendations and ISO/IEC International Standards, including
shareware, may be subject to royalty fees to patent holders.
4.4 General
The rest of the document describes several reference software implementations. The reference software
for this document is available at https:// standards .iso .org/ iso -iec/ 19566/ -10/ ed -1/ en/ . Reference software
implementations do not intend to be unique. Therefore, some parts of JPEG Systems can have more than
one implementation. On the other hand, reference software implementations need to be validated, from
functionality and interoperability points of view. Hence, Annex A describes the mechanism followed for
validation of the JUMBF reference software. Annex B describes an implementation of reference software
for JUMBF (as specified in ISO/IEC 19566-5). The implementations presented in the subsequent annexes are
summarized in Table 1, including information related to the parts of the ISO/IEC 19566 series they cover, the
provided functionalities as well as the technology used.
Table 1 — Reference software implementations for the ISO/IEC 19566 series
Annex Software ISO/IEC 19566 parts Decoder Encoder Technology
a
Annex B jumbf-2.0 library ISO/IEC 19566-5 Yes Yes Java
a TM
Java is the trademark of a product supplied by Oracle® Corporation. This information is given for the convenience of users
of this document and does not constitute an endorsement by ISO or
...
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