BR112023018885A2 - Codificação adaptativa de informações de movimento para predição de múltiplas hipóteses para codificação de vídeo - Google Patents
Codificação adaptativa de informações de movimento para predição de múltiplas hipóteses para codificação de vídeoInfo
- Publication number
- BR112023018885A2 BR112023018885A2 BR112023018885A BR112023018885A BR112023018885A2 BR 112023018885 A2 BR112023018885 A2 BR 112023018885A2 BR 112023018885 A BR112023018885 A BR 112023018885A BR 112023018885 A BR112023018885 A BR 112023018885A BR 112023018885 A2 BR112023018885 A2 BR 112023018885A2
- Authority
- BR
- Brazil
- Prior art keywords
- prediction
- motion information
- fusion
- prediction block
- hypothesis
- Prior art date
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
- H04N19/513—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
- H04N19/10—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
- H04N19/119—Adaptive subdivision aspects, e.g. subdivision of a picture into rectangular or non-rectangular coding blocks
-
- 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
- H04N19/13—Adaptive entropy coding, e.g. adaptive variable length coding [AVLC] or context adaptive binary arithmetic coding [CABAC]
-
- 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
- H04N19/134—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or criterion affecting or controlling the adaptive coding
- H04N19/157—Assigned coding mode, i.e. the coding mode being predefined or preselected to be further used for selection of another element or parameter
-
- 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
- H04N19/50—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
-
- 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
- H04N19/587—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal sub-sampling or interpolation, e.g. decimation or subsequent interpolation of pictures in a video sequence
-
- 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
- H04N19/60—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding
- H04N19/61—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding in combination with predictive coding
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Compression Or Coding Systems Of Tv Signals (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US202163167480P | 2021-03-29 | 2021-03-29 | |
| US17/655,919 US12309355B2 (en) | 2021-03-29 | 2022-03-22 | Adaptively coding motion information for multiple hypothesis prediction for video coding |
| PCT/US2022/071289 WO2022213026A1 (en) | 2021-03-29 | 2022-03-23 | Adaptively coding motion information for multiple hypothesis prediction for video coding |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BR112023018885A2 true BR112023018885A2 (pt) | 2023-10-03 |
Family
ID=81308524
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BR112023018885A BR112023018885A2 (pt) | 2021-03-29 | 2022-03-23 | Codificação adaptativa de informações de movimento para predição de múltiplas hipóteses para codificação de vídeo |
Country Status (11)
| Country | Link |
|---|---|
| EP (1) | EP4315850A1 (https=) |
| JP (1) | JP2024512539A (https=) |
| KR (1) | KR20230162614A (https=) |
| AU (1) | AU2022246716A1 (https=) |
| BR (1) | BR112023018885A2 (https=) |
| CA (1) | CA3208108A1 (https=) |
| CL (1) | CL2023002817A1 (https=) |
| MX (1) | MX2023011284A (https=) |
| SA (1) | SA523450273B1 (https=) |
| TW (1) | TW202243478A (https=) |
| WO (1) | WO2022213026A1 (https=) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN121605639A (zh) * | 2023-08-01 | 2026-03-03 | 联发科技股份有限公司 | 使用多假设交叉分量预测进行色度编解码的视频编解码方法和设备 |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10652571B2 (en) * | 2018-01-25 | 2020-05-12 | Qualcomm Incorporated | Advanced motion vector prediction speedups for video coding |
| US10904549B2 (en) * | 2018-12-13 | 2021-01-26 | Tencent America LLC | Method and apparatus for signaling of multi-hypothesis for skip and merge mode and signaling of distance offset table in merge with motion vector difference |
| US11140406B2 (en) * | 2019-02-20 | 2021-10-05 | Qualcomm Incorporated | Signalling for merge mode with motion vector differences in video coding |
| US11076169B2 (en) * | 2019-05-14 | 2021-07-27 | Qualcomm Incorporated | Switchable interpolation filtering (SIF) for video coding |
| US11611759B2 (en) * | 2019-05-24 | 2023-03-21 | Qualcomm Incorporated | Merge mode coding for video coding |
-
2022
- 2022-03-23 CA CA3208108A patent/CA3208108A1/en active Pending
- 2022-03-23 AU AU2022246716A patent/AU2022246716A1/en active Pending
- 2022-03-23 KR KR1020237032564A patent/KR20230162614A/ko active Pending
- 2022-03-23 WO PCT/US2022/071289 patent/WO2022213026A1/en not_active Ceased
- 2022-03-23 EP EP22716802.8A patent/EP4315850A1/en active Pending
- 2022-03-23 JP JP2023558204A patent/JP2024512539A/ja active Pending
- 2022-03-23 MX MX2023011284A patent/MX2023011284A/es unknown
- 2022-03-23 BR BR112023018885A patent/BR112023018885A2/pt unknown
- 2022-03-29 TW TW111111848A patent/TW202243478A/zh unknown
-
2023
- 2023-08-10 SA SA523450273A patent/SA523450273B1/ar unknown
- 2023-09-22 CL CL2023002817A patent/CL2023002817A1/es unknown
Also Published As
| Publication number | Publication date |
|---|---|
| CA3208108A1 (en) | 2022-10-06 |
| TW202243478A (zh) | 2022-11-01 |
| CL2023002817A1 (es) | 2024-01-26 |
| EP4315850A1 (en) | 2024-02-07 |
| SA523450273B1 (ar) | 2025-04-13 |
| AU2022246716A9 (en) | 2024-05-09 |
| MX2023011284A (es) | 2023-10-04 |
| JP2024512539A (ja) | 2024-03-19 |
| AU2022246716A1 (en) | 2023-07-27 |
| KR20230162614A (ko) | 2023-11-28 |
| WO2022213026A1 (en) | 2022-10-06 |
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