Content for TR 26.962 Word version: 17.0.0
1 Scope
2 References
3 Definitions of terms, symbols and abbreviations
3.1 Terms
3.2 Abbreviations
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...
1 Scope p. 6
The present document describes operation and usage guidelines for Immersive Teleconferencing and Telepresence for Remote Terminals (ITT4RT). It is intended to help implementers of the ITT4RT functionality of TS 26.114 for realizing Virtual Reality conversational services with unidirectional omnidirectional video.
2 References p. 6
The following documents contain provisions which, through reference in this text, constitute provisions of the present document.
- References are either specific (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-specific reference implicitly refers to the latest version of that document in the same Release as the present document.
[1]
TR 21.905: "Vocabulary for 3GPP Specifications".
[2]
M. M. Hannuksela, Y.-K. Wang, and A. Hourunranta, "An overview of the OMAF standard for 360° video," Data Compression Conference, Mar. 2019.
[3]
N19274, Potential improvement of OMAF, MPEG 130, April 2020.
[4]
Alireza Zare, Alireza Aminlou, and Miska M. Hannuksela. 2018. 6K Effective Resolution with 4K HEVC Decoding Capability for OMAF-compliant 360° Video Streaming. In Proceedings of the 23rd Packet Video Workshop (PV '18). Association for Computing Machinery, New York, NY, USA, 72-77. DOI:https://doi.org/10.1145/3210424.3210425
[5]
High Efficiency Video Coding (HEVC) Test Model 16 (HM 16) Improved Encoder Description Update 14.
[6]
J. van der Hooft, M. Torres Vega, S. Petrangeli, T. Wauters and F. De Turck, "Quality Assessment for Adaptive Virtual Reality Video Streaming: A Probabilistic Approach on the User's Gaze," 2019 22nd Conference on Innovation in Clouds, Internet and Networks and Workshops (ICIN), 2019, pp. 19-24, doi: 10.1109/ICIN.2019.8685904.
[7]
RFC 3986: Uniform Resource Identifier (URI), Generic Syntax, IETF, January 2005.
[8]
ISO/IEC DIS 23090-14, Information technology - Coded representation of immersive media - Part 14: Scene Description for MPEG Media.
3 Definitions of terms, symbols and abbreviations p. 6
3.1 Terms p. 6
For the purposes of the present document, the terms given in TR 21.905 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.
No new terms defined for this TR.
3.2 Abbreviations p. 7
For the purposes of the present document, the abbreviations given in TR 21.905 and the following apply. An abbreviation defined in the present document takes precedence over the definition of the same abbreviation, if any, in TR 21.905.
ML/AI
Machine Learning / Artificial Intelligence
CU
Coding Unit
ERP
EquiRectangular Projection
GOP
Group of Pictures
GSM
Global System for Mobile communications
HEVC
High Efficiency Video Coding
HMD
Head-Mounted Display
HQ
High Quality
INTRA
refers to intra-frame coding
LQ
Low Quality
LTE
Long-Term Evolution
MCU
Multipoint Control Unit
MPEG
Moving Picture Experts Group
MRF
Multimedia Resource Function
MRFC
Multimedia Resource Function Controller
OMAF
Omnidirectional MediA Format
PPM
Packed Picture Mapping
QP
Quantization Parameter
RAP
Random Access Point
RFC
Request for Comment
RTP
Real-time Transport Protocol
RTCP
Real-time Transport (Control) Protocol
RTT
Round Trip Time
RWP
Region-Wise Packing
SDP
Session Description Protocol
SEI
Supplemental Enhancement Informatio
UE
User Equipment
UMTS
Universal Mobile Telecommunications System
VDP
Viewport Dependent Processing
VL
Viewport-Locked
