CA3197884A1 - Multiple hypothesis prediction for video coding - Google Patents
Multiple hypothesis prediction for video codingInfo
- Publication number
- CA3197884A1 CA3197884A1 CA3197884A CA3197884A CA3197884A1 CA 3197884 A1 CA3197884 A1 CA 3197884A1 CA 3197884 A CA3197884 A CA 3197884A CA 3197884 A CA3197884 A CA 3197884A CA 3197884 A1 CA3197884 A1 CA 3197884A1
- Authority
- CA
- Canada
- Prior art keywords
- prediction
- weight
- prediction block
- mode
- block
- 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
- H04N19/50—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
- H04N19/573—Motion compensation with multiple frame prediction using two or more reference frames in a given prediction direction
-
- 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
- H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
- H04N19/102—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or selection affected or controlled by the adaptive coding
- H04N19/103—Selection of coding mode or of prediction mode
- H04N19/105—Selection of the reference unit for prediction within a chosen coding or prediction mode, e.g. adaptive choice of position and number of pixels used for prediction
-
- 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
- H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
- H04N19/102—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or selection affected or controlled by the adaptive coding
- H04N19/124—Quantisation
-
- 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
- H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
- H04N19/169—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding
- H04N19/17—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object
- H04N19/176—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object the region being a block, e.g. a macroblock
-
- 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
- H04N19/30—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using hierarchical techniques, e.g. scalability
- H04N19/34—Scalability techniques involving progressive bit-plane based encoding of the enhancement layer, e.g. fine granular scalability [FGS]
-
- 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
- H04N19/513—Processing of motion vectors
- H04N19/517—Processing of motion vectors by encoding
- H04N19/52—Processing of motion vectors by encoding by predictive encoding
-
- 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
- H04N19/523—Motion estimation or motion compensation with sub-pixel accuracy
-
- 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)
- Color Television Systems (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
Applications Claiming Priority (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US202063130232P | 2020-12-23 | 2020-12-23 | |
| US63/130,232 | 2020-12-23 | ||
| US17/644,519 US12445634B2 (en) | 2020-12-23 | 2021-12-15 | Multiple hypothesis prediction for video coding |
| US17/644,519 | 2021-12-15 | ||
| PCT/US2021/063856 WO2022140160A1 (en) | 2020-12-23 | 2021-12-16 | Multiple hypothesis prediction for video coding |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA3197884A1 true CA3197884A1 (en) | 2022-06-30 |
Family
ID=79230573
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA3197884A Pending CA3197884A1 (en) | 2020-12-23 | 2021-12-16 | Multiple hypothesis prediction for video coding |
Country Status (11)
| Country | Link |
|---|---|
| EP (1) | EP4268451B1 (enExample) |
| JP (1) | JP7795538B2 (enExample) |
| KR (1) | KR20230123933A (enExample) |
| AU (1) | AU2021409231A1 (enExample) |
| CA (1) | CA3197884A1 (enExample) |
| CL (1) | CL2023001835A1 (enExample) |
| CO (1) | CO2023008054A2 (enExample) |
| IL (1) | IL301828B2 (enExample) |
| MX (1) | MX2023007245A (enExample) |
| TW (1) | TW202228441A (enExample) |
| WO (1) | WO2022140160A1 (enExample) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11695965B1 (en) | 2022-10-13 | 2023-07-04 | Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. | Video coding using a coded picture buffer |
| KR20260052142A (ko) * | 2023-09-15 | 2026-04-17 | 엘지전자 주식회사 | 디코딩 방법, 인코딩 방법 및 영상 정보의 전송 방법 |
| WO2025058479A1 (ko) * | 2023-09-15 | 2025-03-20 | 엘지전자 주식회사 | 인코딩 방법, 디코딩 방법, 컴퓨터 판독 가능한 기록 매체 및 전송 방법 |
| WO2025147176A1 (ko) * | 2024-01-05 | 2025-07-10 | 주식회사 케이티 | 영상 부호화/복호화 방법 및 비트스트림을 저장하는 기록 매체 |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR102480191B1 (ko) * | 2016-05-13 | 2022-12-21 | 브이아이디 스케일, 인크. | 비디오 코딩을 위한 일반화된 다중-가설 예측 시스템 및 방법 |
| WO2019234578A1 (en) * | 2018-06-05 | 2019-12-12 | Beijing Bytedance Network Technology Co., Ltd. | Asymmetric weighted bi-predictive merges |
| WO2020084509A1 (en) * | 2018-10-23 | 2020-04-30 | Beijing Bytedance Network Technology Co., Ltd. | Harmonized local illumination compensation and modified inter coding tools |
| EP3861742A4 (en) * | 2018-11-20 | 2022-04-13 | Beijing Bytedance Network Technology Co., Ltd. | DIFFERENCE CALCULATION BASED ON SPATIAL POSITION |
| CN119450038A (zh) * | 2018-12-11 | 2025-02-14 | 交互数字Vc控股公司 | 用于对图像进行解块的方法和设备 |
| WO2020132168A1 (en) * | 2018-12-21 | 2020-06-25 | Interdigital Vc Holdings, Inc. | Syntax for motion information signaling in video coding |
| CN118202656A (zh) * | 2021-11-30 | 2024-06-14 | 北京达佳互联信息技术有限公司 | 视频编解码中考虑边界外条件的运动补偿 |
-
2021
- 2021-12-16 AU AU2021409231A patent/AU2021409231A1/en active Pending
- 2021-12-16 KR KR1020237018096A patent/KR20230123933A/ko active Pending
- 2021-12-16 EP EP21836302.6A patent/EP4268451B1/en active Active
- 2021-12-16 CA CA3197884A patent/CA3197884A1/en active Pending
- 2021-12-16 TW TW110147281A patent/TW202228441A/zh unknown
- 2021-12-16 WO PCT/US2021/063856 patent/WO2022140160A1/en not_active Ceased
- 2021-12-16 MX MX2023007245A patent/MX2023007245A/es unknown
- 2021-12-16 JP JP2023533329A patent/JP7795538B2/ja active Active
-
2023
- 2023-03-30 IL IL301828A patent/IL301828B2/en unknown
- 2023-06-20 CL CL2023001835A patent/CL2023001835A1/es unknown
- 2023-06-21 CO CONC2023/0008054A patent/CO2023008054A2/es unknown
Also Published As
| Publication number | Publication date |
|---|---|
| CO2023008054A2 (es) | 2023-07-10 |
| KR20230123933A (ko) | 2023-08-24 |
| AU2021409231A9 (en) | 2024-08-01 |
| WO2022140160A1 (en) | 2022-06-30 |
| JP2024501154A (ja) | 2024-01-11 |
| TW202228441A (zh) | 2022-07-16 |
| AU2021409231A1 (en) | 2023-05-18 |
| IL301828A (en) | 2023-06-01 |
| MX2023007245A (es) | 2023-06-29 |
| EP4268451A1 (en) | 2023-11-01 |
| IL301828B2 (en) | 2026-07-01 |
| EP4268451B1 (en) | 2026-08-05 |
| IL301828B1 (en) | 2026-03-01 |
| JP7795538B2 (ja) | 2026-01-07 |
| CL2023001835A1 (es) | 2024-01-05 |
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