Search Results for "JVET-P0214"

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16th Meeting: Geneva, October 2019 2019-10-04 17:09
Abstract
This contribution proposes to change the intra prediction mode of a chroma block from DM mode to Planar mode in CIIP prediction for simplification purpose. By setting the chroma mode as planar mode in CIIP, there is no need to refer to the mode of the luma block and it simplifies the encoding and decoding process. There is no performance change.
JVET-P0214 CE4-related: Simplification of the CIIP chroma Intra Prediction Mode [J. Park, B. Jeon (SKKU)]
Decisions
JVET-P0214 CE4-related: Simplification of the CIIP chroma Intra Prediction Mode [J. Park, B. Jeon (SKKU)]
Citation
16th Meeting: Geneva, October 2019 2019-11-05 21:43
Authors: C.-Y. Chen Andrew Segall Jens-Rainer Ohm
Abstract
The goal of this Core Experiment (CE) is to improve and/or enhance cross component loop filtering (CC-ALF) techniques. These CC-ALF techniques will be evaluated according to both subjective and objective metrics.
JVET-P2025 Description of Core Experiment 5 (CE5): Cross-component adaptive loop filtering [C.-Y. Chen, A. Segall]

See track A notes under JVET-P1033 about what to test.

Future meeting plans, expressions of thanks, and closing of the meeting

Future meeting plans were established according to the following guidelines:

  • Meeting under ITU-T SG 16 auspices when it meets (ordinarily starting meetings on the Tuesday of the first week and closing it on the Wednesday of the second week of the SG 16 meeting – a total of 9 meeting days), and
  • Otherwise meeting under ISO/IEC JTC 1/SC 29/WG 11 auspices when it meets (ordinarily starting meetings on the Tuesday prior to such meetings and closing it at lunchtime on the last day of the WG 11 meeting – a total of 9.5 meeting days).

In cases where an exceptionally high workload is expected for a meeting, an earlier starting date may be defined. For the upcoming meeting in October 2019, the SG16 parent-level meeting dates had been shifted after the JVET and MPEG meeting plans were established, which has caused an additional adjustment in the JVET dates.

Some specific future meeting plans (to be confirmed) were established as follows:

  • Tue. 7 – Fri. 17 January 2020, 17th meeting under WG 11 auspices in Brussels, BE.
  • Wed. 15 – Fri. 24 April 2020, 18th meeting under WG 11 auspices in Alpbach, AT.
  • Tue. 23 June – Wed. 1 July 2020, 19th meeting under ITU-T auspices in Geneva, CH.
  • Wed. 7 – Fri. 16 October 2020, 20th meeting under WG 11 auspices in Rennes, FR.

The agreed document deadline for the 17thJVET meeting was planned to be Tuesday 31 December...

Decisions
Tianyang Zhou (Sharp Corporation)
Citation
16th Meeting: Geneva, October 2019 2019-10-11 01:29

Abstract not available in document

JVET-P1033 Report of BoG on CE5-related loop filter proposals [A. Norkin, C.-Y. Chen]

Presented Thursday 10 Oct. 1415 in Track B

The BoG reviewed proposals related to the loop filter topics (CE5-related). This report includes the recommendations of the BoG for adopting or further studying of proposals.

The BoG met during the following times:

  • Tuesday Oct. 8: 9:00-13:00, 14:30-21:00
  • Wednesday Oct. 9: 11:00-13:30, 15:00-20:10
  • Thursday Oct. 10: 9:00-12:30

Recommendations of BoG:

Deblocking filter

It is recommended to adopt proposal JVET-P0043 (the specification text). The software attached to the proposal needs to be fixed.

Decision: Adopt JVET-P0043. This is correcting some inconsistency of deblocking in case of affine 4x4 and TPM block edges, when they coincide with TU boundary. Text was confirmed to be appropriate, aligned software still needs to be uploaded.

It is suggested to study proposal 1 of JVET-P0161 (and similar proposals, see under notes of JVET-P0161) in the CE. This would be either or two test cases (depending if proponents of JVET-P0586 decided to join the other test or have a separate test).

In track A, it is discussed that this would require storing information about presence of weighted prediction and imposing them in the decision of deblocking.

Also test JVET-P0269 method 1 in CE.

Test in the CE of JVET-P0441 (where subjective improvements are expected). This would change some conditions to not apply deblocking at affine inner boundaries unless these are at TU boundaries. This requires one more condition check, so it is not a simplification.

Test JVET-P0411...

Decisions
adopted
Adopt JVET-P0505
It was reminded that in cases where the JVET document is also made available as MPEG output document, a separate version under the MPEG document header should be generated. This version should be sent to GJS and JRO for upload.
Citation
16th Meeting: Geneva, October 2019 2019-10-10 19:39
Authors: Hyeong-Gyun Yang Xiaoyu Xiu Haitao Yang

Abstract not available in document

JVET-P0986 Report of BoG on CE4 inter prediction related contributions [H. Yang, X. Xiu] Discussed Wed 9 Oct 1215 (GJS). Four BoG sessions have been organized for the BoG meeting, 104 contributions had been reviewed. Oct. 4, 1430 to 2130, on the category of affine motion compensation and merge mode modifications. Oct. 5, 1000 to 1230, on the category of decoder side motion vector derivation. Oct. 5, 1400 to 2200, on the remaining contributions in the category of decoder side motion vector derivation and on the category of switchable interpolation filter. Oct. 6, 0900 to 1300, on the category of weighted prediction and others. Contributions on geometric partition and CIIP with triangle partition have not been reviewed. Actions recommended by BoG: Normative changes JVET-P0275: Conditional signalling of TPM syntax max_num_merge_cand_minus_max_num_triangle_cand in SH (not signalling it for B...
Decisions
Agreed
See section 6.4.
Citation
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