BR112023027261A2 - Correspondência bilateral adaptativa para refinamento de vetor de movimento do lado do decodificador - Google Patents
Correspondência bilateral adaptativa para refinamento de vetor de movimento do lado do decodificadorInfo
- Publication number
- BR112023027261A2 BR112023027261A2 BR112023027261A BR112023027261A BR112023027261A2 BR 112023027261 A2 BR112023027261 A2 BR 112023027261A2 BR 112023027261 A BR112023027261 A BR 112023027261A BR 112023027261 A BR112023027261 A BR 112023027261A BR 112023027261 A2 BR112023027261 A2 BR 112023027261A2
- Authority
- BR
- Brazil
- Prior art keywords
- motion vector
- candidate
- bilateral matching
- video data
- current image
- Prior art date
Links
- 239000013598 vector Substances 0.000 title abstract 13
- 230000003044 adaptive effect Effects 0.000 title abstract 2
- 230000002146 bilateral effect Effects 0.000 title abstract 2
- 230000004927 fusion Effects 0.000 abstract 3
- 238000000034 method Methods 0.000 abstract 2
- 238000002844 melting Methods 0.000 abstract 1
- 230000008018 melting Effects 0.000 abstract 1
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
- H04N19/521—Processing of motion vectors for estimating the reliability of the determined motion vectors or motion vector field, e.g. for smoothing the motion vector field or for correcting motion vectors
-
- 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
- H04N19/169—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
- H04N19/44—Decoders specially adapted therefor, e.g. video decoders which are asymmetric with respect to the encoder
-
- 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
- H04N19/70—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
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Compression Or Coding Systems Of Tv Signals (AREA)
- Television Systems (AREA)
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US202163216468P | 2021-06-29 | 2021-06-29 | |
| US202163263754P | 2021-11-08 | 2021-11-08 | |
| US17/847,942 US11895302B2 (en) | 2021-06-29 | 2022-06-23 | Adaptive bilateral matching for decoder side motion vector refinement |
| PCT/US2022/073155 WO2023278964A1 (en) | 2021-06-29 | 2022-06-24 | Adaptive bilateral matching for decoder side motion vector refinement |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BR112023027261A2 true BR112023027261A2 (pt) | 2024-03-12 |
Family
ID=82701841
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BR112023027261A BR112023027261A2 (pt) | 2021-06-29 | 2022-06-24 | Correspondência bilateral adaptativa para refinamento de vetor de movimento do lado do decodificador |
Country Status (13)
| Country | Link |
|---|---|
| EP (1) | EP4364418A1 (enExample) |
| JP (1) | JP7834783B2 (enExample) |
| KR (1) | KR20240026140A (enExample) |
| AU (1) | AU2022303514A1 (enExample) |
| BR (1) | BR112023027261A2 (enExample) |
| CA (1) | CA3216820A1 (enExample) |
| CL (1) | CL2023003553A1 (enExample) |
| CO (1) | CO2023017540A2 (enExample) |
| IL (1) | IL307644A (enExample) |
| MX (1) | MX2023014315A (enExample) |
| TW (1) | TW202308389A (enExample) |
| WO (1) | WO2023278964A1 (enExample) |
| ZA (1) | ZA202310866B (enExample) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US12047583B2 (en) | 2021-06-25 | 2024-07-23 | Qualcomm Incorporated | Hybrid inter bi-prediction in video coding |
| EP4398568A1 (en) * | 2023-01-09 | 2024-07-10 | Beijing Xiaomi Mobile Software Co., Ltd. | Encoding/decoding video picture data |
| CN120898423A (zh) * | 2023-03-16 | 2025-11-04 | 抖音视界有限公司 | 区域自适应分层变换的时域和空域滤波 |
| US12563214B2 (en) | 2023-03-17 | 2026-02-24 | Qualcomm Incorporated | Cascading and parallel processing of affine DMVR video coding tools |
| WO2024196652A1 (en) * | 2023-03-17 | 2024-09-26 | Qualcomm Incorporated | Cascading and parallel processing of affine dmvr video coding tools |
| US20250008082A1 (en) * | 2023-06-27 | 2025-01-02 | Qualcomm Incorporated | Block vector search for intra-block copy prediction for coding video data |
| CN121646919A (zh) * | 2023-08-03 | 2026-03-10 | 联发科技股份有限公司 | 用于视频编解码并基于区域的多遍次解码器端运动向量细化（dmvr）的方法和装置 |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6976916B2 (ja) | 2018-09-21 | 2021-12-08 | Kddi株式会社 | 画像復号装置、画像符号化装置、画像処理システム及びプログラム |
| CN113475076B (zh) * | 2019-03-11 | 2024-03-12 | 阿里巴巴集团控股有限公司 | 用于对视频数据进行编码的帧间预测方法 |
| KR102662874B1 (ko) | 2019-04-28 | 2024-05-07 | 베이징 바이트댄스 네트워크 테크놀로지 컴퍼니, 리미티드 | 대칭 모션 벡터 차이 코딩 |
-
2022
- 2022-06-24 CA CA3216820A patent/CA3216820A1/en active Pending
- 2022-06-24 AU AU2022303514A patent/AU2022303514A1/en active Pending
- 2022-06-24 BR BR112023027261A patent/BR112023027261A2/pt unknown
- 2022-06-24 EP EP22747550.6A patent/EP4364418A1/en active Pending
- 2022-06-24 KR KR1020237043762A patent/KR20240026140A/ko active Pending
- 2022-06-24 WO PCT/US2022/073155 patent/WO2023278964A1/en not_active Ceased
- 2022-06-24 TW TW111123644A patent/TW202308389A/zh unknown
- 2022-06-24 IL IL307644A patent/IL307644A/en unknown
- 2022-06-24 JP JP2023575920A patent/JP7834783B2/ja active Active
- 2022-06-24 MX MX2023014315A patent/MX2023014315A/es unknown
-
2023
- 2023-11-24 ZA ZA2023/10866A patent/ZA202310866B/en unknown
- 2023-11-29 CL CL2023003553A patent/CL2023003553A1/es unknown
- 2023-12-15 CO CONC2023/0017540A patent/CO2023017540A2/es unknown
Also Published As
| Publication number | Publication date |
|---|---|
| TW202308389A (zh) | 2023-02-16 |
| CA3216820A1 (en) | 2023-01-05 |
| CL2023003553A1 (es) | 2024-04-26 |
| KR20240026140A (ko) | 2024-02-27 |
| JP7834783B2 (ja) | 2026-03-24 |
| MX2023014315A (es) | 2024-01-25 |
| WO2023278964A1 (en) | 2023-01-05 |
| EP4364418A1 (en) | 2024-05-08 |
| ZA202310866B (en) | 2025-06-25 |
| IL307644A (en) | 2023-12-01 |
| AU2022303514A1 (en) | 2023-11-02 |
| JP2024526077A (ja) | 2024-07-17 |
| CO2023017540A2 (es) | 2023-12-20 |
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