1、 ETSI TR 126 905 V15.0.0 (2018-07) Universal Mobile Telecommunications System (UMTS); LTE; Mobile stereoscopic 3D video (3GPP TR 26.905 version 15.0.0 Release 15) TECHNICAL REPORT ETSI ETSI TR 126 905 V15.0.0 (2018-07) 1 3GPP TR 26.905 version 15.0.0 Release 15Reference RTR/TSGS-0426905vf00 Keywords
2、 LTE,UMTS ETSI 650 Route des Lucioles F-06921 Sophia Antipolis Cedex - FRANCE Tel.: +33 4 92 94 42 00 Fax: +33 4 93 65 47 16 Siret N 348 623 562 00017 - NAF 742 C Association but non lucratif enregistre la Sous-Prfecture de Grasse (06) N 7803/88 Important notice The present document can be downloade
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13、ment does not constitute an endorsement by ETSI of products, services or organizations associated with those trademarks. Foreword This Technical Report (TR) has been produced by ETSI 3rd Generation Partnership Project (3GPP). The present document may refer to technical specifications or reports usin
14、g their 3GPP identities, UMTS identities or GSM identities. These should be interpreted as being references to the corresponding ETSI deliverables. The cross reference between GSM, UMTS, 3GPP and ETSI identities can be found under http:/webapp.etsi.org/key/queryform.asp. Modal verbs terminology In t
15、he present document “should“, “should not“, “may“, “need not“, “will“, “will not“, “can“ and “cannot“ are to be interpreted as described in clause 3.2 of the ETSI Drafting Rules (Verbal forms for the expression of provisions). “must“ and “must not“ are NOT allowed in ETSI deliverables except when us
16、ed in direct citation. ETSI ETSI TR 126 905 V15.0.0 (2018-07) 3 3GPP TR 26.905 version 15.0.0 Release 15Contents Intellectual Property Rights 2 Foreword. 2 Modal verbs terminology . 2 Foreword. 6 1 Scope 7 2 References 7 3 Definitions and abbreviations . 8 3.1 Definitions . 8 3.2 Abbreviations . 9 4
17、 General . 10 4.1 Introduction 10 5 Technology description 10 5.1 Mobile 3D rendering technologies . 10 5.1.1 Introduction 10 5.1.2 Glasses-free 3D video rendering technologies . 10 5.1.1.1 Parallax barrier . 10 5.1.1.2 Lenticular lens sheet . 11 5.1.3 Glasses-based 3D video rendering technologies 1
18、1 5.1.3.1 Active-shutter glasses . 11 5.1.3.2 Passive glasses 11 5.1.4 Potential impacts on a 3D service implementation 12 5.2 Stereoscopic 3D frame packing formats 12 5.2.1 Frame-compatible packing formats 12 5.2.2 Full resolution per view packing formats . 13 5.3 Video codecs for stereoscopic 3D 1
19、4 5.3.1 H.264/AVC for frame compatible packing formats . 14 5.3.2 H.264/AVC for temporal interleaving packing format 14 5.3.3 MVC (Multiview Video Coding) . 14 5.3.4 Performance evaluation of the compression efficiency 15 5.3.4.1 Simulation setup . 15 5.3.4.2 Simulation results . 16 5.4 3D signallin
20、g 23 5.4.1 SIP/SDP codec and format signalling 23 5.4.2 File format signalling . 24 5.4.2.1 Introduction 24 5.4.2.2 Frame compatible H.264/AVC . 24 5.4.2.3 Temporally interleaved H.264/AVC 24 5.4.2.4 Multiview Video Coding MVC 25 5.4.2.5 Mixed 2D/3D video 25 5.4.2.6 MIME type signalling for 3D stere
21、oscopic video files . 25 5.4.3 Device capability exchange signalling of supported 3D video codecs and formats . 25 5.4.4 Inclusion of 3D video information in the DASH MPD 26 6 Streaming use cases 26 6.1 PSS and MBMS-based 3D video services . 26 6.1.1 Use case description . 26 6.1.2 Working assumptio
22、ns and operation points . 26 6.1.3 Technical analysis 27 6.2 DASH-based streaming of 3D content. 27 6.2.1 Use case description . 27 6.2.2 Working assumptions and operation points . 27 6.2.3 Evaluation of DASH-based streaming with HTTP-caching . 27 6.2.3.1 Introduction 27 6.2.3.2 Coding of VoD conten
23、t items . 28 ETSI ETSI TR 126 905 V15.0.0 (2018-07) 4 3GPP TR 26.905 version 15.0.0 Release 156.2.3.3 Simulation model 29 6.2.3.4 Simulation results . 30 6.3 Common provisioning of 2D and 3D content for download and streaming 31 6.3.1 Use case description . 31 6.3.2 Working assumptions and operation
24、 points . 32 6.3.3 Technical analysis 33 6.4 3D Timed Text and Graphics . 33 6.4.1 Use case description . 33 6.4.2 Working assumptions and operation points . 33 6.4.3 Possible solution . 34 6.5 2D/3D mixed contents service . 35 6.5.1 Use case description . 35 6.5.2 Working assumptions and operation
25、points . 36 6.5.3 Technical analysis 36 6.6 Service provisioning based on depth range of the 3D content . 36 6.6.1 Use case description . 36 6.6.2 Working assumptions and operation points . 36 6.6.3 Possible solution . 36 7 Download use cases . 37 7.1 Download of 3D video . 37 7.1.1 Use case descrip
26、tion . 37 7.1.2 Working assumptions and operation points . 37 7.1.3 Technical analysis 37 7.2 Progressive download of 3D video 37 7.2.1 Use case description . 37 7.2.2 Working assumptions and operation points . 37 7.2.3 Technical analysis 37 7.3 Correct rendering of downloaded 3D video . 37 7.3.1 Us
27、e case description . 37 7.3.2 Working assumptions and operation points . 38 7.3.3 Technical analysis 38 8 Use cases for further study . 38 8.1 Introduction 38 8.2 3D video delivering based on 2D video warehouse . 38 8.2.1 Use case description . 38 8.2.2 Working assumptions and operation points . 38
28、8.3 3D video conversational services . 39 8.3.1 Use case description . 39 8.3.2 Working assumptions and operation points . 40 8.4 Multiple-party 3D video conference 40 8.4.1 Use case description . 40 8.4.2 Working assumptions and operation points . 41 8.5 3D video call fall back to legacy phone . 41
29、 8.5.1 Use case description . 41 8.5.2 Working assumptions and operation points . 42 8.5.3 Gap analysis on supporting 3D video call fallback between 3D video phones 42 8.6 3D video call fall back between 3D capable phones 42 8.6.1 Use case description . 42 8.6.2 Working assumptions and operation poi
30、nts . 42 8.6.3 Gap analysis on supporting 3D video call fallback between 3D video phones 42 8.7 3D content in messaging 42 8.7.1 Use case description . 42 8.7.2 Working assumptions and operation points . 43 8.8 3D service in the converged environment 43 8.8.1 Use case description . 43 8.8.2 Working
31、assumptions and operation points . 43 8.9 Bitrate adaptation . 44 8.9.1 Introduction 44 8.9.2 Restricted access bandwidth . 44 8.9.3 Rate adaptation in PSS and DASH . 44 ETSI ETSI TR 126 905 V15.0.0 (2018-07) 5 3GPP TR 26.905 version 15.0.0 Release 158.9.4 Rate adaptation in MTSI 44 8.9.5 Rate adapt
32、ation due to shared radio resources . 44 8.10 View scalability for graceful degradation 44 8.10.1 Introduction 44 8.10.2 Graceful degradation in MBMS when entering bad reception conditions . 45 8.10.3 Graceful degradation in MTSI . 45 8.10.4 Combined support of heterogeneous devices and graceful deg
33、radation . 45 9 Mobile 3D subjective tests . 45 9.1 Introduction 45 9.2 Test description 45 9.2.1 Video sources . 45 9.2.2 Content preparation 45 9.2.2.1 Frame rate evaluation . 45 9.2.2.2 Resolution evaluation . 46 9.2.3 Encoding profiles . 46 9.2.4 Subjective test conditions . 46 9.2.4.1 Methodolo
34、gy. 46 9.2.4.2 Implementation . 46 9.2.4.3 Observers 46 9.3 Test results . 47 9.3.1 Frame rate evaluation . 47 9.3.2 Resolution evaluation . 48 9.4 Conclusion of the test 48 10 Content re-targeting 48 10.1 Introduction 48 10.2 Down-sampling/Up-sampling 49 10.3 Extraction of depth map . 49 10.4 Occlu
35、sion handling 50 10.5 Depth adjustment . 50 10.6 Creation of the second view . 51 11 Conclusions 51 11.1 Introduction 51 11.2 Frame Compatible Format for Stereoscopic Video Coding . 51 11.3 Stereoscopic Multi-view Video Coding . 52 Annex A: Change history 54 History 55 ETSI ETSI TR 126 905 V15.0.0 (
36、2018-07) 6 3GPP TR 26.905 version 15.0.0 Release 15Foreword This Technical Report has been produced by the 3rd Generation Partnership Project (3GPP). The contents of the present document are subject to continuing work within the TSG and may change following formal TSG approval. Should the TSG modify
37、 the contents of the present document, it will be re-released by the TSG with an identifying change of release date and an increase in version number as follows: Version x.y.z where: x the first digit: 1 presented to TSG for information; 2 presented to TSG for approval; 3 or greater indicates TSG ap
38、proved document under change control. y the second digit is incremented for all changes of substance, i.e. technical enhancements, corrections, updates, etc. z the third digit is incremented when editorial only changes have been incorporated in the document. ETSI ETSI TR 126 905 V15.0.0 (2018-07) 7
39、3GPP TR 26.905 version 15.0.0 Release 151 Scope The present document provides a study of stereoscopic 3D video services over 3GPP networks and terminals. Technical definitions, use case descriptions, working assumptions, subjective tests results and technical studies are presented. This document ide
40、ntifies the gaps within the Release 10 3GPP specifications in order to enable the implementation of the mobile 3D video use cases. 2 References The following documents contain provisions which, through reference in this text, constitute provisions of the present document. - References are either spe
41、cific (identified by date of publication, edition number, version number, etc.) or non-specific. - For a specific reference, subsequent revisions do not apply. - For a non-specific reference, the latest version applies. In the case of a reference to a 3GPP document (including a GSM document), a non-
42、specific reference implicitly refers to the latest version of that document in the same Release as the present document. 1 3GPP TR 21.905: “Vocabulary for 3GPP Specifications“. 2 3GPP TS 26.114: “IP multimedia subsystem (IMS); Multimedia telephony, Media handling and interaction“. 3 3GPP TS 26.234:
43、“Transparent end-to-end packet switched streaming service (PSS); Protocols and codecs“. 4 3GPP TS 26.346: “Multimedia Broadcast/Multicast Service (MBMS); Protocols and codecs“. 5 3GPP TS 26.247: “Transparent end-to-end Packet-switched Streaming Service (PSS); Progressive Download and Dynamic Adaptiv
44、e Streaming over HTTP (3GP-DASH)“. 6 3GPP TS 26.140: “Multimedia Messaging Service (MMS); Media formats and codecs“. 7 3GPP TS 26.245: “Transparent end-to-end Packet-switched Streaming Service (PSS); Timed Text Format“. 8 3GPP TS 26.430: “Timed Graphics“. 9 3GPP TR 26.904: “Improved Video Coding Sup
45、port“. 10 IETF RFC 3261: “SIP: Session Initiation Protocol“. 11 IETF RFC 3264: “An Offer/Answer Model with the Session Description Protocol (SDP)“. 12 IETF draft draft-ietf-payload-rtp-mvc-01: “RTP Payload Format for MVC Video“. 13 IETF personal draft draft-greevenbosch-mmusic-sdp-3d-format-002: “Si
46、gnal 3D format“. 14 ITU-R Recommendation BT 1788: “Methodology for the subjective assessment of video quality in multimedia applications“. 15 3GPP TS 26.244: “Transparent end-to-end packet switched streaming service (PSS); 3GPP file format“. 16 ISO/IEC 14496-15: 2010: “Information technology Coding
47、of audio-visual objects Part 15: Advanced Video Coding (AVC) file format“. 17 ISO/IEC 14496-12:2008/Amd2 | 15444-12:2008/Amd2: “ Part 12: ISO base media file format AMENDMENT 2: Support for sub-track selection Protocols “. 25 IETF RFC 6381: “The Codecs and Profiles Parameters for Bucket Media Types“
48、, Gellens R., Singer D. and Frojdh P., August 2011. 26 ISO/IEC 23009-1: “Information technology - Dynamic adaptive streaming over HTTP (DASH) - Part 1: Media presentation description and segment formats. 27 Open Mobile Alliance: “User Agent Profile Version 2.0“, February 2006. 28 3DTV-Conference: Th
49、e True Vision - Capture, Transmission and Display of 3D Video (3DTV-CON): ,“Adaptive parallax for 3D television“, Ide, K. and Sikora, T., 2010, vol., no., pp.1-4, 7-9 June 2010. 3 Definitions and abbreviations 3.1 Definitions For the purposes of the present document, the terms and definitions given in TR 21.905 1 and the following apply. A term defined in the present document takes precedence over the definition of the same term, if any, in TR 21.905 1. ETSI ETSI TR 126 905 V15.0.0 (2018-07) 9 3GPP TR 26.905 version 1
