EP4029251A4 - Method and apparatus of adaptive adjustment of weighting prediction parameter precision - Google Patents
Method and apparatus of adaptive adjustment of weighting prediction parameter precision Download PDFInfo
- Publication number
- EP4029251A4 EP4029251A4 EP20873695.9A EP20873695A EP4029251A4 EP 4029251 A4 EP4029251 A4 EP 4029251A4 EP 20873695 A EP20873695 A EP 20873695A EP 4029251 A4 EP4029251 A4 EP 4029251A4
- Authority
- EP
- European Patent Office
- Prior art keywords
- prediction parameter
- adaptive adjustment
- weighting prediction
- parameter precision
- precision
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/70—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by syntax aspects related to video coding, e.g. related to compression standards
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/50—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
- H04N19/503—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal prediction
- H04N19/51—Motion estimation or motion compensation
- H04N19/577—Motion compensation with bidirectional frame interpolation, i.e. using B-pictures
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Compression Or Coding Systems Of Tv Signals (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP2019077267 | 2019-10-08 | ||
PCT/CN2020/116729 WO2021068738A1 (en) | 2019-10-08 | 2020-09-22 | Method and apparatus of adaptive adjustment of weighting prediction parameter precision |
Publications (2)
Publication Number | Publication Date |
---|---|
EP4029251A1 EP4029251A1 (en) | 2022-07-20 |
EP4029251A4 true EP4029251A4 (en) | 2022-11-16 |
Family
ID=75436717
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP20873695.9A Pending EP4029251A4 (en) | 2019-10-08 | 2020-09-22 | Method and apparatus of adaptive adjustment of weighting prediction parameter precision |
Country Status (2)
Country | Link |
---|---|
EP (1) | EP4029251A4 (en) |
WO (1) | WO2021068738A1 (en) |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP3217663A1 (en) * | 2014-11-06 | 2017-09-13 | Samsung Electronics Co., Ltd. | Video encoding method and apparatus, and video decoding method and apparatus |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101628797B1 (en) * | 2012-04-20 | 2016-06-09 | 후아웨이 테크놀러지 컴퍼니 리미티드 | Improved intra prediction in lossless coding in hevc |
US10425648B2 (en) * | 2015-09-29 | 2019-09-24 | Qualcomm Incorporated | Video intra-prediction using position-dependent prediction combination for video coding |
CN117201781A (en) * | 2015-10-16 | 2023-12-08 | 中兴通讯股份有限公司 | Encoding processing method, decoding processing device, and storage medium |
CN116582679A (en) * | 2016-05-24 | 2023-08-11 | 韩国电子通信研究院 | Image encoding/decoding method and recording medium therefor |
US10553224B2 (en) * | 2017-10-03 | 2020-02-04 | Dolby Laboratories Licensing Corporation | Method and system for inter-channel coding |
-
2020
- 2020-09-22 EP EP20873695.9A patent/EP4029251A4/en active Pending
- 2020-09-22 WO PCT/CN2020/116729 patent/WO2021068738A1/en unknown
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP3217663A1 (en) * | 2014-11-06 | 2017-09-13 | Samsung Electronics Co., Ltd. | Video encoding method and apparatus, and video decoding method and apparatus |
Non-Patent Citations (4)
Title |
---|
FILIPPOV (HUAWEI) A ET AL: "Non-CE4: On TPM merge mode in the presence of weighted prediction", no. JVET-P0617 ; m50595, 5 October 2019 (2019-10-05), XP030217867, Retrieved from the Internet <URL:http://phenix.int-evry.fr/jvet/doc_end_user/documents/16_Geneva/wg11/JVET-P0617-v2.zip JVET-P0617-v1.docx> [retrieved on 20191005] * |
FILIPPOV (HUAWEI) A ET AL: "Non-CE4: On TPM merge mode in the presence of weighted prediction", no. JVET-P0617 ; m50595, 8 October 2019 (2019-10-08), XP030217870, Retrieved from the Internet <URL:http://phenix.int-evry.fr/jvet/doc_end_user/documents/16_Geneva/wg11/JVET-P0617-v3.zip JVET-P0617-v2.docx> [retrieved on 20191008] * |
GAO (HUAWEI) H ET AL: "CE4-Related: Geometric Merge Mode (GEO) Simplifications", no. JVET-P0107 ; m50057, 2 October 2019 (2019-10-02), XP030216259, Retrieved from the Internet <URL:http://phenix.int-evry.fr/jvet/doc_end_user/documents/16_Geneva/wg11/JVET-P0107-v2.zip WDs/JVET_P0107_SlopeBasedGeoV2(onTopOf_CE4-1.14).docx> [retrieved on 20191002] * |
See also references of WO2021068738A1 * |
Also Published As
Publication number | Publication date |
---|---|
WO2021068738A1 (en) | 2021-04-15 |
EP4029251A1 (en) | 2022-07-20 |
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Effective date: 20220411 |
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A4 | Supplementary search report drawn up and despatched |
Effective date: 20221014 |
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RIC1 | Information provided on ipc code assigned before grant |
Ipc: H04N 19/577 20140101AFI20221010BHEP |
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