ISO-14496-16-FDAM-2-2008.pdf
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1、 Please see the administrative notes on page iii RECIPIENTS OF THIS DRAFT ARE INVITED TO SUBMIT, WITH THEIR COMMENTS, NOTIFICATION OF ANY RELEVANT PATENT RIGHTS OF WHICH THEY ARE AWARE AND TO PROVIDE SUPPORT- ING DOCUMENTATION. IN ADDITION TO THEIR EVALUATION AS BEING ACCEPTABLE FOR INDUSTRIAL, TECH
2、NO- LOGICAL, COMMERCIAL AND USER PURPOSES, DRAFT INTERNATIONAL STANDARDS MAY ON OCCASION HAVE TO BE CONSIDERED IN THE LIGHT OF THEIR POTENTIAL TO BECOME STAN- DARDS TO WHICH REFERENCE MAY BE MADE IN NATIONAL REGULATIONS. Reference number ISO/IEC 14496-16:2006/FDAM 2:2008(E) ISO/IEC 2008 FINAL DRAFT
3、ISO/IEC JTC 1 Secretariat: ANSI Voting begins on: 2008-11-19 Voting terminates on: 2009-01-19 AMENDMENT ISO/IEC 14496-16:2006 FDAM 2 Information technology Coding of audio-visual objects Part 16: Animation Framework eXtension (AFX) AMENDMENT 2: Frame-based Animated Mesh Compression (FAMC) Technologi
4、es de linformation Codage des objets audiovisuels Partie 16: Extension du cadre danimation (AFX) AMENDEMENT 2: Compression de maille anime base sur une trame (FAMC) Copyright International Organization for Standardization Provided by IHS under license with ISO Licensee=Boeing Co/5910770001 Not for R
5、esale, 01/31/2009 01:22:49 MSTNo reproduction or networking permitted without license from IHS -,-,- ISO/IEC 14496-16:2006/FDAM 2:2008(E) PDF disclaimer This PDF file may contain embedded typefaces. In accordance with Adobes licensing policy, this file may be printed or viewed but shall not be edite
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8、es. In the unlikely event that a problem relating to it is found, please inform the Central Secretariat at the address given below. Copyright notice This ISO document is a Draft International Standard and is copyright-protected by ISO. Except as permitted under the applicable laws of the users count
9、ry, neither this ISO draft nor any extract from it may be reproduced, stored in a retrieval system or transmitted in any form or by any means, electronic, photocopying, recording or otherwise, without prior written permission being secured. Requests for permission to reproduce should be addressed to
10、 either ISO at the address below or ISOs 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 copyrightiso.org Web www.iso.org Reproduction may be subject to royalty payments or a licensing agreement.
11、Violators may be prosecuted. ii ISO/IEC 20# All rights reserved Copyright International Organization for Standardization Provided by IHS under license with ISO Licensee=Boeing Co/5910770001 Not for Resale, 01/31/2009 01:22:49 MSTNo reproduction or networking permitted without license from IHS -,-,-
12、ISO/IEC 14496-16:2006/FDAM 2:2008(E) ISO/IEC 2008 All rights reserved iii In accordance with the provisions of Council Resolution 21/1986, this document is circulated in the English language only. Copyright International Organization for Standardization Provided by IHS under license with ISO License
13、e=Boeing Co/5910770001 Not for Resale, 01/31/2009 01:22:49 MSTNo reproduction or networking permitted without license from IHS -,-,- ISO/IEC 14496-16:2006/FDAM 2:2008(E) iv ISO/IEC 2008 All rights reserved Foreword ISO (the International Organization for Standardization) and IEC (the International E
14、lectrotechnical 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 te
15、chnical 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 tec
16、hnical 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
17、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
18、held responsible for identifying any or all such patent rights. Amendment 2 to ISO/IEC 14496-16:2006 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 14496-16 introduced sever
19、al animation models as methods of deforming a mesh. Amendment 2 to ISO/IEC 14496-16:2006 deals with decoding animation data (mainly vertex coordinates and attributes, temporally updated) independently of a mesh deformation model. Copyright International Organization for Standardization Provided by I
20、HS under license with ISO Licensee=Boeing Co/5910770001 Not for Resale, 01/31/2009 01:22:49 MSTNo reproduction or networking permitted without license from IHS -,-,- ISO/IEC 14496-16:2006/FDAM 2:2008(E) ISO/IEC 2008 All rights reserved 1 Information technology Coding of audio-visual objects Part 16:
21、 Animation Framework eXtension (AFX) AMENDMENT 2: Frame-based Animated Mesh Compression (FAMC) After 5.9, add the following new subclause: 5.10 Frame-based Animated Mesh Compression (FAMC) stream 5.10.1 Overview FAMC is a tool to compress an animated mesh by encoding on a time basis the attributes (
22、position, normals ) of vertices composing the mesh. FAMC is independent on the manner how animation is obtained (deformation or rigid motion). The data in a FAMC stream is structured in segments of several frames. Each segment can be decoded individually. Within a segment, a temporal prediction mode
23、l, called skinning, is represented. The model is used for motion compensation inside the segment. The FAMC bitstream structure is illustrated in Figure AMD2.1. Figure AMD2.1 FAMC bitstream structure. Each decoded animation frame updates the geometry and possibly the attributes (or only the attribute
24、s) of the 3D graphic object that FAMC is referred to. An animation segment contains two types of information: Copyright International Organization for Standardization Provided by IHS under license with ISO Licensee=Boeing Co/5910770001 Not for Resale, 01/31/2009 01:22:49 MSTNo reproduction or networ
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- ISO 14496 16 FDAM 2008
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