ISO/IEC 15938-7:2003/Amd 2:2007

Information technology — Multimedia content description interface — Part 7: Conformance testing — Amendment 2: Fast access extensions conformance

Technologies de l'information — Description de l'interface du contenu multimédia — Partie 7: Essais de conformité — Amendement 2: Conformité des extensions d'accès rapide

General Information

• Status: Published
• Publication Date: 19-Jun-2007
• ICS: 35.040 - Information coding
• ICS: 35.040.40 - Coding of audio, video, multimedia and hypermedia information
• Technical Committee: ISO/IEC JTC 1/SC 29 - Coding of audio, picture, multimedia and hypermedia information
• Drafting Committee: ISO/IEC JTC 1/SC 29 - Coding of audio, picture, multimedia and hypermedia information
• Current Stage: 6060 - International Standard published
• Start Date: 20-Jun-2007
• Due Date: 28-Oct-2008
• Completion Date: 28-Oct-2008

Relations

• Amends: ISO/IEC 15938-7:2003 - Information technology — Multimedia content description interface — Part 7: Conformance testing
• Effective Date: 06-Jun-2022
• Child: ISO/IEC 15938-7:2003 - Information technology — Multimedia content description interface — Part 7: Conformance testing
• Effective Date: 15-Apr-2008

Overview

ISO/IEC 15938-7:2003/Amd 2:2007 is an important international standard issued by ISO and IEC under the umbrella of Information technology. It pertains specifically to the Multimedia Content Description Interface (MPEG-7), focusing on Part 7 - Conformance Testing, with Amendment 2 addressing the conformance of fast access extensions. This document provides essential guidelines and testing frameworks to ensure correct implementation and interoperability of multimedia content description systems that incorporate fast access features.

Fast access extensions are designed to enhance the speed and efficiency of multimedia data retrieval and browsing. This amendment serves as a critical extension to the original conformance testing specifications, allowing developers, manufacturers, and stakeholders to validate that their multimedia content description implementations meet defined performance and compliance benchmarks for fast access mechanisms.

Key Topics

• Multimedia Content Description Interface: Specifies the framework for describing multimedia content for effective searching, indexing, filtering, and retrieval.

• Conformance Testing: Sets out methodologies to verify that implementations of MPEG-7 content description follow the established standards reliably.

• Fast Access Extensions: Focuses on additional functionalities that allow quicker access to multimedia data, improving user experience in real-time applications.

• Test Case Definitions: Provides XML schemas and structured test cases to automate and evaluate the performance and accuracy of conformity.

• Pass/Fail Criteria: Establishes clear thresholds and conditions to assess whether an implementation complies with the amendments.

• Electronic Attachments and Tools: Includes valuable digital resources such as encoded binary samples, XML definitions, and testing criteria documents, facilitating seamless integration into development environments.

Applications

The ISO/IEC 15938-7:2003/Amd 2:2007 amendment is highly relevant for:

• Multimedia Application Developers: Assists developers in verifying that their content description software supports fast access features and complies with international standards.

• Device Manufacturers: Enables manufacturers to ensure their hardware and multimedia products provide efficient content browsing and retrieval capabilities.

• Quality Assurance Teams: Offers comprehensive testing frameworks to conduct rigorous compliance assessments for multimedia interfaces.

• Content Providers and Digital Libraries: Supports enhanced indexing and quick access features, improving accessibility and user satisfaction.

• Standard Compliance Auditors: Provides precise guidelines and test methods required for auditing multimedia content description implementations.

Related Standards

• ISO/IEC 15938 (MPEG-7): The overarching standard for multimedia content description interfaces.

• ISO/IEC 15938-1: Systems and tools for multimedia description.

• ISO/IEC 15938-3: Visual part descriptors and content-based multimedia indexing.

• ISO/IEC 15938-6: Reference software for MPEG-7.

• Other Amendments and Parts of ISO/IEC 15938-7: Covering different aspects of conformance and testing methodologies.

Practical Value

By adopting ISO/IEC 15938-7:2003/Amd 2:2007, organizations can:

• Ensure interoperability across various multimedia platforms by adhering to universal fast access implementation standards.

• Enhance the speed and accuracy of multimedia search and retrieval systems.

• Reduce development costs through standardized conformance testing procedures.

• Maintain consistency with international multimedia information technology developments.

• Facilitate regulatory compliance and improve market acceptance of multimedia technologies.

This standard is essential for any entity involved in multimedia content management aiming to leverage fast access capabilities while ensuring their systems comply with global best practices for multimedia content description and interaction.

Standards Content (Sample)

INTERNATIONAL ISO/IEC
STANDARD 15938-7
First edition
2003-12-01
AMENDMENT 2
2007-07-01
Information technology — Multimedia
content description interface —
Part 7:
Conformance testing
AMENDMENT 2: Fast access extensions
conformance
Technologies de l'information — Description de l'interface du contenu
multimédia —
Partie 7: Essais de conformité
AMENDEMENT 2: Conformité des extensions d'accès rapide

Reference number
ISO/IEC 15938-7:2003/Amd.2:2007(E)
©
ISO/IEC 2007
ISO/IEC 15938-7:2003/Amd.2:2007(E)
PDF disclaimer
This PDF file may contain embedded typefaces. In accordance with Adobe's licensing policy, this file may be printed or viewed but
shall not be edited unless the typefaces which are embedded are licensed to and installed on the computer performing the editing. In
downloading this file, parties accept therein the responsibility of not infringing Adobe's licensing policy. The ISO Central Secretariat
accepts no liability in this area.
Adobe is a trademark of Adobe Systems Incorporated.
Details of the software products used to create this PDF file can be found in the General Info relative to the file; the PDF-creation
parameters were optimized for printing. Every care has been taken to ensure that the file is suitable for use by ISO member bodies. In
the unlikely event that a problem relating to it is found, please inform the Central Secretariat at the address given below.

©  ISO/IEC 2007
All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized in any form or by any means,
electronic or mechanical, including photocopying and microfilm, without permission in writing 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 [e-mail]
Web www.iso.org
Published in Switzerland
ii © ISO/IEC 2007 – All rights reserved

ISO/IEC 15938-7:2003/Amd.2:2007(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 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. In the field of information
technology, ISO and IEC have established a joint technical committee, ISO/IEC JTC 1.
International Standards are drafted in accordance with the rules given in the ISO/IEC Directives, Part 2.
The main task of the joint technical committee is to prepare International Standards. Draft International
Standards adopted by the joint technical committee are circulated to national bodies for voting. Publication as
an International Standard requires approval by at least 75 % of the national bodies casting a vote.
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 not be held responsible for identifying any or all such patent rights.
Amendment 2 to ISO/IEC 15938-7:2003 was prepared by Joint Technical Committee ISO/IEC JTC 1,
Information technology, Subcommittee SC 29, Coding of audio, picture, multimedia and hypermedia
information.
© ISO/IEC 2007 — All rights reserved iii

ISO/IEC 15938-7:2003/Amd.2:2007(E)

Information technology — Multimedia content description
interface —
Part 7:
Conformance testing
AMENDMENT 2: Fast access extensions conformance
Add the following subclause:
4.2.3 Conformance testing of random access terminals
The conformance testing involves the comparison of the result of processing (searching) an index access unit
stream and search criteria with the test terminal, against the conformance pass/fail criteria associated with the
stream. Pass/Fail criteria has been selected as the conformance test, rather then comparison with reference
terminal, as the random access processing is not an interoperability point. As such different implementations
may express the same result quite differently. The pass/fail criteria specifies what information shall and shall
not be returned as the result of a searching process, and not the form that the result shall take. Figure Amd2.1
shows an overview of conformance testing of ISO/IEC 15938 terminals only composed of a systems random
access decoder. Figure Amd2.2 shows an overview of conformance testing of ISO/IEC 15938 terminals
composed of random access decoder, systems decoder, and a validating parser. The conformance testing of
the terminal checks two things:
⎯ Does the test terminal provide the same results set for the given search criteria as the conformance pass
criteria for the index stream?
⎯ Does the test terminal provide the same results for the reconstructed XML document representation as
the reference terminal?
Search Criteria
Systems
Random
Decoder
Index stream
Result
Compare
Pass/Fail
Criteria
Fi
...

INTERNATIONAL ISO/IEC
STANDARD 15938-7
First edition
2003-12-01
AMENDMENT 2
2007-07-01
Information technology — Multimedia
content description interface —
Part 7:
Conformance testing
AMENDMENT 2: Fast access extensions
conformance
Technologies de l'information — Description de l'interface du contenu
multimédia —
Partie 7: Essais de conformité
AMENDEMENT 2: Conformité des extensions d'accès rapide

Reference number
ISO/IEC 15938-7:2003/Amd.2:2007(E)
©
ISO/IEC 2007
ISO/IEC 15938-7:2003/Amd.2:2007(E)

PDF disclaimer
PDF files may contain embedded typefaces. In accordance with Adobe's licensing policy, such files may be printed or viewed but shall
not be edited unless the typefaces which are embedded are licensed to and installed on the computer performing the editing. In
downloading a PDF file, parties accept therein the responsibility of not infringing Adobe's licensing policy. The ISO Central Secretariat
accepts no liability in this area.
Adobe is a trademark of Adobe Systems Incorporated.
Details of the software products used to create the PDF file(s) constituting this document can be found in the General Info relative to
the file(s); the PDF-creation parameters were optimized for printing. Every care has been taken to ensure that the files are suitable for
use by ISO member bodies. In the unlikely event that a problem relating to them is found, please inform the Central Secretariat at the
address given below.
This CD-ROM contains:
1) the publication ISO/IEC 15938-7:2003/Amd.2:2007 in portable document format (PDF), which can be
viewed using Adobe® Acrobat® Reader;
2) electronic attachments containing
i) XML definitions for indexing and searching test cases, including relevant XML Schemas;
ii) pass fail criteria for each set of test cases in Word document format;
iii) encoded BiM access units (AUs) and index access units (IAUs) in binary format for each test
case.
Adobe and Acrobat are trademarks of Adobe Systems Incorporated.
©  ISO/IEC 2007
All rights reserved. Unless otherwise specified, no part of this CD-ROM may be reproduced, stored in a retrieval system or transmitted in
a
...