ISO/IEC INTERNATIONAL STANDARD 14496-25 Second edition 2011-05-15 Information technology Coding of audio-visual objects - Part 25: 3D Graphics Compression Model Technologies de Il'information - Codage d'objets audiovisuels- Partie 25: Modele de compression graphique 3D Reference number ISO/IEC 14496-25:2011(E) IEC ISO @ISO/IEC2011 HS under ted without license from IHS Not for Resale ISO/IEC 14496-25:2011(E) COPYRIGHT PROTECTED DOCUMENT ISO/IEC2011 All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized in any form or by any means, 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 [email protected] Web www.iso.org Published in Switzerland @ ISO/IEC 2011 - All rights reserved y IHS unde etworking pemitted without licensefromHS Not for Resale ISO/IEC 14496-25:2011(E) Contents Page Foreword ..iv Introductiol 1 Scope. 2 Architecture model 2.1 Global view... 2.2 Layer 1: Textual Data Representation .. 2.3 Layer 2: Binarization .... 2.4 Layer3:Compression. 2.5 Interface between Layer 2 and Layer 3 3 Decoder model.. Annex A (informative) Encoding model.. .6 Annex B (normative) Binarization and Compression of Scene Graph expressed with XMT. B.1 Introduction.. B.2 Scene Graph and Object Graph binarization.... B.3 3DMCe and SC3DMC Streams ... B.4 PI, Ol, CI Streams... B.5 BBA Stream.... .8 B.6 FAMC Stream.... Annex C (normative) Binarization and Compression of Scene Graph expressed with COLLADA....10 C.1 Introduction.... 10 C.2 Scene Graph and Object Graph binarization.. C.3 3DMCe and SC3DMC Streams .... 10 C.4 Pl,Ol,CIStreams.. C.5 BBA Stream. C.6 FAMCStream Annex D (normative) Binarization and Compression of Scene Graph expressed with X3D 12 D.1 Introduction........ 12 D.2 Scene Graph and Object Graph binarization 12 D.3 3DMCe and SC3DMC Streams ... 12 D.4 Pl, Ol, CI Streams.... 13 Copyright Intematinal organzatinfor standadiztion All rights reserved ii Not for Resale