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Content for  TR 26.906  Word version:  17.0.0

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1  Scopep. 6

The present document reports the evaluation of the High Efficiency Video Coding (HEVC) codec in 3GPP services. It provides an overview of the codec and a comparison to H.264 (AVC) codec. The support of H.264 (AVC) is mandated for 3GP-DASH (TS 26.247), PSS (TS 26.234), MBMS (TS 26.346), 3GPP file format (TS 26.244), MTSI (TS 26.114) and MMS (TS 26.140) in Release 11. The present document reports on the performance of H.265 (HEVC) when used in 3GPP services for video coding in comparison to H.264 (AVC) and the performance of H.265 (HEVC) when used in 3GPP services for image coding in comparison to JPEG. Performance is evaluated in typical 3GPP service environments taking into account bandwidth and coding efficiency, user experience and complexity. Based on the performance results, recommendations are provided for the proper inclusion of H.265 (HEVC) in 3GPP services.
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2  Referencesp. 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]
Sullivan, G. J.; Ohm, J.-R.; Han, W.-J.; Wiegand T., "Overview of the High Efficiency Video Coding (HEVC) Standard," IEEE Trans. Circuits and Systems for Video Technology, vol.22, no.12, pp.1649-1668, Dec. 2012.
[3]
Bossen, F.; Bross, B.; Suhring, K.; Flynn D., "HEVC Complexity and Implementation Analysis," IEEE Trans. Circuits and Systems for Video Technology, vol.22, no.12, pp.1685-1696, Dec. 2012.
[4]
Vanne, J.; Viitanen, M.; Hamalainen, T. D.; Hallapuro A., "Comparative Rate-Distortion-Complexity Analysis of HEVC and AVC Video Cdecs," IEEE Trans. Circuits and Systems for Video Technology, vol.22, no.12, pp.1885-1898, Dec. 2012.
[5]
F. Bosen, "On software complexity," document JCTVC-G757 of JCT-VC, Geneva, Switzerland, Nov. 2011.
[6]
F. Bosen, "On software complexity: decoding 720p content on a tablet," document JCTVC-J0128 of JCT-VC, Stockholm, Sweden, Jul. 2012.
[7]
K. McCann, J.-Y. Choi, e al, "HEVC software player demonstration on mobile devices," document JCTVC-G988 of JCT-VC, Geneva, Switzerland, Nov. 2011.
[8]
K. Veera, R. Ganguly, e al, "A real-time ARM HEVC decoder implementation," document JCTVC-H0693 of JCT-VC, José, CA, USA, Feb. 2012.
[9]
J.-R. Ohm, G. J. Sullivan, H. Schwarz, T. K. Tan, and T. Wiegand, "Comparison of the coding efficiency of video coding standards - including high efficiency video coding (HEVC)," IEEE Trans. Circuits and Systems for Video Technology, December 2012.
[10]
V. Baroncini, G. J. Sullivan, and J.-R. Ohm, "Report on preliminary subjective testing of HEVC compression capability," document JCTVC-H1004 of JCT-VC, San José, USA, Feb. 2012.
[11]
Y. Zhao, et al, "Coding efficiency comparison between HM5.0 and JM16.2 based on PQI, PSNR and SSIM," document JCTVC-H0063 of JCT-VC, San José, USA, Feb. 2012.
[12]
T. K. Tan, A. Fujibayashi, Y. Suzuki and J. Takiue, "Objective and subjective evaluation of HM5.0," document JCTVC-H0116 of JCT-VC, San José, USA, Feb. 2012.
[13]
B. Li, G. J. Sullivan, and J. Xu, "Comparison of compression performance of HEVC working draft 7 with AVC high profile", document JCTVC-J0236 of JCT-VC, Stockholm, Sweden, July 2012.
[14]
Recommendation ITU-T P.910 (04-08): "Subjective video quality assessment methods for multimedia applications".
[15]
Recommendation ITU-R BT.500 (01-12): "Methodology for the subjective assessment of the quality of television pictures".
[16]
ISO/IEC PDTR 29170-1: "Information technology -- Advanced image coding and evaluation methodologies -- Part 1: Guidelines for codec evaluation".
[17]
TS 26.273: "ANSI-C code for the fixed-point Extended Adaptive Multi-Rate - Wideband (AMR-WB+) speech codec".
[18]
TS 26.247: "Transparent end-to-end Packet-switched Streaming Service (PSS); Progressive Download and Dynamic Adaptive Streaming over HTTP (3GP-DASH)".
[19]
TS 26.234: "Transparent end-to-end Packet-switched Streaming Service (PSS); Protocols and codecs".
[20]
TS 26.346: "Multimedia Broadcast/Multicast Service (MBMS); Protocols and codecs".
[21]
TS 26.244: "Transparent end-to-end packet switched streaming service (PSS); 3GPP file format (3GP)".
[22]
TS 26.114: "IP Multimedia Subsystem (IMS); Multimedia telephony; Media handling and interaction".
[23]
TS 26.140: "Multimedia Messaging Service (MMS); Media formats and codecs".
[24]
Recommendation ITU-T P.800 (08/1996): "Methods for subjective determination of transmission quality".
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3  Definitions and abbreviationsp. 7

3.1  Definitionsp. 7

For the purposes of the present document, the terms and definitions given in TR 21.905 apply.

3.2  Abbreviationsp. 7

For the purposes of the present document, the abbreviations given in TR 21.905 and the following apply.
AVC
Advanced Video Coding
BD
Bjontegaard Delta
BLA
Broken Link Access
CABAC
Context Adaptive Binary Arithmetic Coding
CAVLC
Context Adaptive Variable Length Coding
CPB
Coded Picture Buffer
CRA
Clean Random Access
CTU
Coding Tree Unit
DASH
Dynamic Adaptive Streaming over HTTP
DCT
Discrete Cosine Transform
DPB
Decoded Picture Buffer
DST
Discrete Sine Transform
GDR
Gradual Decoding Refresh
GOP
Group of Pictures
HEVC
High Efficiency Video Coding
HRD
Hypothetical Reference Decoder
IDR
Instantaneous Decoding Refresh
IRAP
Intra Random Access Point
ISOBMFF
ISO Base Media File Format
MANE
Media Aware Network Element
MOS
Mean Opinion Score
NAL
Network Abstraction Layer
JCT-VC
Joint Collaborative Team on Video Coding
MBMS
Multimedia Broadcast Multicast Service
MMCO
Memory Management Control Operation
MMS
Multimedia Messaging Service
MTSI
Multimedia Telephony Service for IMS
MTU
Maximum Transmission Unit
PPS
Picture Parameter Set
QP
Quantization Parameter
PSNR
Peak Signal Noise Ratio
PSS
Packet-switched Streaming
RADL
Random Access Decodable Leading
RAP
Random Access Period
RASL
Random Access Skipped Leading
RPLC
Reference Picture List Construction
RPS
Reference Picture Set
SAO
Sample Adaptive Offset
SEI
Supplemental Enhancement Information
SAP
Stream Access Point
SPS
Sequence Parameter Set
TSA
Temporal Sub-layer Access
STSA
Stepwise Temporal Sub-layer Access
VPS
Video Parameter Set
WPP
Wavefront Parallel Processing
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4  Introductionp. 8

The present document provides a study on evaluation of the H.265 (HEVC) video codec for 3GPP services. Use cases and technical solutions are investigated regarding a variety of setups using 3GPP's streaming, multicast/broadcast, download and progressive download as well as conversational services. Clause 5 provides a technical overview of the H.265 (HEVC) video codec, highlighting its key differences compared to H.264 (AVC). Clause 6 provides a description of the test cases and experimental setup for evaluation of H.265 (HEVC) versus H.264 (AVC). Clause 7 and clause 8 provide experimental results for video and image coding, respectively. Clause 9 provides the conclusions for evaluation of HEVC for each of the 3GPP services.
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