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Abstract
This document is Draft 7 of a new ITU-T Recommendation and ISO/IEC International Standard entitled Versatile Video Coding. It has been developed by a joint collaborative team of ITU-T and ISO/IEC experts known as the Joint Video Experts Team (JVET), which is a partnership of ITU-T Study Group 16 Question 6 (known as VCEG) and ISO/IEC JTC 1/SC 29/WG 11 (known as MPEG). This draft new standard has been designed with two primary goals. The first of these is to specify a video coding technology with a compression capability that is substantially beyond that of the prior generations of such standards, and the second is for this technology to be highly versatile for effective use in a broadened range of applications. Some key application areas for the use of this standard particularly include ultra-high-definition video (e.g., with 3840×2160 or 7620×4320 picture resolution and bit depth of 10 or 12 bits as specified in Rec. ITU-R BT.2100), video with a high dynamic range and wide colour gamut (e.g., with the perceptual quantization or hybrid log-gamma transfer characteristics specified in Rec. ITU-R BT.2100), and video for immersive media applications such as 360° omnidirectional video projected using a common projection format such as the equirectangular or cubemap projection format, in addition to the applications that have commonly been addressed by prior video coding standards.
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JVET-Q0188 CE4-related: Simplification on geometric partitioning mode by replacing motion index calculation with subsampled weight information [Y.-L. Hsiao, C.-C. Chen, C.-W. Hsu, Y.-W. Huang, S.-M. Lei (MediaTek)]
References:
JVET-K0052
JVET-K0063
JVET-K0072
JVET-K0103
JVET-K0122
JVET-K0184
JVET-K0190
JVET-K0230
JVET-K0232
JVET-K0237
JVET-K0251
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JVET-L0064
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Cited:
Decisions
JVET-Q0188 CE4-related: Simplification on geometric partitioning mode by replacing motion index calculation with subsampled weight information [Y.-L. Hsiao, C.-C. Chen, C.-W. Hsu, Y.-W. Huang, S.-M. Lei (MediaTek)]
Citation
Abstract
This contribution reports the crosschecking of JVET-Q0188. Two methods are proposed in JVET-Q0188. It’s reported that the WD and software are matching with the descripted methods. Simulation results of this report are matched with the results provided by the proponent of JVET-Q0188
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JVET-Q0554 Crosscheck of JVET-Q0188: CE4-related: Simplification on geometric partitioning mode by replacing motion index calculation with subsampled weight information [H. Gao (Huawei)] [late]
References:
Decisions
JVET-Q0554 Crosscheck of JVET-Q0188: CE4-related: Simplification on geometric partitioning mode by replacing motion index calculation with subsampled weight information [H. Gao (Huawei)] [late]
Citation
Abstract
This document provides the integrated specification text geometric inter prediction (GEO) made in 17th JVET Meeting at Brussels, BE, 7-17 January 2020. The contributed proposals are including JVET-Q0059, JVET-Q0077, JVET-Q0123, JVET-Q0188, JVET-Q0242, JVET-Q0309, JVET-Q0365 and JVET-Q0370.
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JVET-Q0806 Integrated Text for GEO [H. Gao, S. Esenlik, E. Alshina, A. M. Kotra, B. Wang (Huawei), R.-L. Liao, J. Chen, Y. Ye, J. Luo (Alibaba), K. Reuzé, C.-C. Chen, H. Huang, W.-J. Chien, V. Seregin (Qualcomm), Z. Deng, L. Zhang, H. Liu, K. Zhang, Y. Wang(Bytedance), J. Li, C. S. Lim (Panasonic), Y.-L. Hsiao, C.-C. Chen, C.-W. Hsu, Y.-W. Huang, S.-M. Lei (MediaTek), L.-F. Chen, X. Li, G. Li, S. Liu (Tencent), L. P. Van, G. Van der Auwera, A. K. Ramasubramonian, H. Huang, W.-J. Chien, M. Karczewicz (Qualcomm), M. Bläser, J. Sauer (RWTH Aachen)] [late]
This contribution was presented in Track B Thursday 16 January at 1225 (chaired by GJS).
Integrated version from adopted proposals JVET-Q0059, JVET-Q0077, JVET-Q0123, JVET-Q0188, JVET-Q0242, JVET-Q0309, JVET-Q0365 and JVET-Q0370.
It was further agreed in the discussion to remove the implementation specific notes in 8.5.7.2.
The related software will be provided with a new upload. Experts are asked further checking the alignment of text and software.
Decision: Adopt JVET-Q0806. Relative to v3, remove notes in 8.5.7.2. This includes all decisions made on JVET-Q0059, JVET-Q0077, JVET-Q0123, JVET-Q0188, JVET-Q0242, JVET-Q0309, JVET-Q0365 and JVET-Q0370.
Test 4-1 in JVET-Q0059 (Huawei, Alibaba, Qualcomm RWTH Aachen)
(a) 82 partition modes in the common base (b) 64 partition modes in test 4-1
Figure: Angles distribution of GEO partitions
In test 4-1, the number of GEO partitions of the common base is reduced from 82 modes to 64 modes. i.e. 20 angles and 4 distances. Comparing to the common base, the angles {5, 7, 17, 19} are...
PATENTS:
EP4287007A2
0.34
2023-12-06
WO/2021/037337
0.34
4018653
0.33
EP4022921B1
0.32
2024-11-27
20220191504
0.32
20240406404
0.31
EP3817408B1
0.30
2022-11-30
20220217344
0.30
Decisions
adopted
Adopt JVET-Q0806. Relative to v3, remove notes in 8.5.7.2. This includes all decisions made on JVET-Q0059, JVET-Q0077, JVET-Q0123, JVET-Q0188, JVET-Q0242, JVET-Q0309, JVET-Q0365 and JVET-Q0370
Citation
Abstract
This document provides general summary information about typical quality measurement practices for video coding experiments in recent work in MPEG and VCEG and their JVET and JCT-VC joint teams. In particular, it describes the use of Bjøntegaard Delta rate (BD-rate) measurements. It aims at providing a concept-level overview of recent practices and to provide some references to technical papers that describe further details. It provides comments on why some of the choices were made, and points out situations where caution must be taken when interpreting the results.
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JVET-Q2016 Summary information on BD-rate experiment evaluation practices.
For the organization and planning of its future work, the JVET established 17 “ad hoc groups” (AHGs) to progress the work on particular subject areas. At this meeting, no Core Experiments (CE) were defined. The next four JVET meetings were planned for 15–24 April 2020 under WG 11 auspices in Alpbach, AT (post-meeting note: the planned Alpbach meeting was later converted to a teleconference-based meeting in response to the COVID-19 pandemic), during 23 June – 1 July 2020 under ITU-T SG16 auspices in Geneva, CH, during 7–16 October 2020 under WG 11 auspices in Rennes, FR, and during 6–15 January 2021 under WG 11 auspices in Capetown, ZA.
The document distribution site http://phenix.it-sudparis.eu/jvet/ was used for distribution of all documents.
The reflector to be used for discussions by the JVET and all its AHGs i...
References:
Decisions
”
Minhua Zhou (Broadcom Corporation)
Citation
Abstract
This document provides general summary information about typical quality measurement practices for video coding experiments in recent work in MPEG and VCEG and their JVET and JCT-VC joint teams. In particular, it describes the use of Bjøntegaard Delta rate (BD-rate) measurements. It aims at providing a concept-level overview of recent practices and to provide some references to technical papers that describe further details. It provides comments on why some of the choices were made, and points out situations where caution must be taken when interpreting the results.
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JVET-Q0826 Suggested content for summary information on BD-rate experiment evaluation practices [J. Ström, K. Andersson, R. Sjöberg (Ericsson), F. Bossen, A. Segall (Sharp), G. J. Sullivan (Microsoft), J.-R. Ohm (RWTH Aachen)]
This document provides general summary information about typical quality measurement practices for video coding experiments in recent work in MPEG and VCEG and their JVET and JCT-VC joint teams. In particular, it describes the use of Bjøntegaard Delta rate (BD-rate) measurements. It aims at providing a concept-level overview of recent practices and to provide some references to technical papers that describe further details. It provides comments on why some of the choices were made, and points out situations where caution must be taken when interpreting the results.
It is suggested that JVET use this document as the basis of an output document providing such inform...
References:
Cited:
Decisions
A joint meeting with VCEG and MPEG Requirements was held at 0900 on Tuesday in Room 100 to discuss requirements for VVC (particularly JVET-Q0111 and JVET-Q0485).
Citation
Abstract not available in document
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JVET-Q0761 BoG report of CE4 related contributions on inter prediction with geometric partitioning [H. Yang]
Review of this BoG report was discussed Saturday 11 January 1115 in Track A (chaired by GJS).
Four sessions had been organized for the BoG meeting, 27 contributions had been reviewed.
Jan. 8, 2000 to 2230, on the category of mode reduction for geometric partitioning.
Jan. 9, 0800 to 1300, on remaining contributions.
Jan. 9, 1430 to 1725, on remaining contributions.
Jan. 10, 1530 to 1730, on the summary table of various proposals in the category of mode reduction for geometric partitioning.
JVET-Q0061 had been discussed in Track A when the CE4 report was presented.
BoG-recommended normative changes, relative to the CE4 method:
JVET-Q0188: change the sampling position from (4i+1.5, 4j+1.5) to (4i+2, 4j+2), for the calculation of motionIdx for the motion storage of GEO mode (method 2...
Decisions
Stay with the 64-combination method from the CE, except disable GEO for 8x64 and 64x8
See section 6.4.
Citation