BR112022004552A2 - Predição de vetor de movimento baseada em histórico - Google Patents
Predição de vetor de movimento baseada em históricoInfo
- Publication number
- BR112022004552A2 BR112022004552A2 BR112022004552A BR112022004552A BR112022004552A2 BR 112022004552 A2 BR112022004552 A2 BR 112022004552A2 BR 112022004552 A BR112022004552 A BR 112022004552A BR 112022004552 A BR112022004552 A BR 112022004552A BR 112022004552 A2 BR112022004552 A2 BR 112022004552A2
- Authority
- BR
- Brazil
- Prior art keywords
- motion vector
- history
- block
- based motion
- vector prediction
- 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
- H04N19/134—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
- H04N19/159—Prediction type, e.g. intra-frame, inter-frame or bidirectional frame 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
- H04N19/169—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
- H04N19/513—Processing of 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
- H04N19/527—Global motion vector estimation
-
- 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
- H04N19/56—Motion estimation with initialisation of the vector search, e.g. estimating a good candidate to initiate a search
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Compression Or Coding Systems Of Tv Signals (AREA)
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US201962905371P | 2019-09-24 | 2019-09-24 | |
| US201962905311P | 2019-09-24 | 2019-09-24 | |
| US17/028,064 US11582475B2 (en) | 2019-09-24 | 2020-09-22 | History-based motion vector prediction |
| PCT/US2020/052178 WO2021061746A1 (en) | 2019-09-24 | 2020-09-23 | History-based motion vector prediction |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BR112022004552A2 true BR112022004552A2 (pt) | 2022-06-07 |
Family
ID=74881404
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BR112022004552A BR112022004552A2 (pt) | 2019-09-24 | 2020-09-23 | Predição de vetor de movimento baseada em histórico |
Country Status (9)
| Country | Link |
|---|---|
| US (1) | US11582475B2 (https=) |
| EP (1) | EP4035382A1 (https=) |
| JP (1) | JP2022548650A (https=) |
| KR (1) | KR20220064962A (https=) |
| AU (1) | AU2020354483A1 (https=) |
| BR (1) | BR112022004552A2 (https=) |
| PH (1) | PH12022550408A1 (https=) |
| TW (1) | TW202126042A (https=) |
| WO (1) | WO2021061746A1 (https=) |
Families Citing this family (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019144908A1 (en) * | 2018-01-26 | 2019-08-01 | Mediatek Inc. | Method and apparatus of affine inter prediction for video coding system |
| WO2019216714A1 (ko) * | 2018-05-10 | 2019-11-14 | 엘지전자 주식회사 | 인터 예측 모드 기반 영상 처리 방법 및 이를 위한 장치 |
| WO2020060374A1 (ko) * | 2018-09-21 | 2020-03-26 | 엘지전자 주식회사 | 어파인 예측을 이용하여 비디오 신호를 처리하기 위한 방법 및 장치 |
| US12120289B2 (en) * | 2019-08-21 | 2024-10-15 | Lg Electronics Inc. | Image encoding/decoding method and device for performing prediction on basis of HMVP candidate, and method for transmitting bitstream |
| US11451809B2 (en) * | 2019-08-28 | 2022-09-20 | Tencent America LLC | Method and apparatus for video coding |
| WO2022083631A1 (en) * | 2020-10-20 | 2022-04-28 | Beijing Bytedance Network Technology Co., Ltd. | Video coding using sample string vector |
| CN116711311A (zh) | 2020-10-21 | 2023-09-05 | 抖音视界有限公司 | 帧内编解码中的样点字符串处理 |
| KR20230125786A (ko) * | 2020-12-29 | 2023-08-29 | 퀄컴 인코포레이티드 | 지오메트리 기반 포인트 클라우드 압축을 위한 도로 및 그라운드 물체 라벨을 사용한 글로벌 모션 추정 |
| US11949909B2 (en) * | 2020-12-29 | 2024-04-02 | Qualcomm Incorporated | Global motion estimation using road and ground object labels for geometry-based point cloud compression |
| US12401818B2 (en) * | 2021-02-26 | 2025-08-26 | Qualcomm Incorporated | Efficient video encoder architecture |
| CN116076073B (zh) * | 2021-09-02 | 2025-10-21 | 辉达公司 | 用于高性能视频编码的硬件编解码器加速器 |
| CN116097649B (zh) | 2021-09-06 | 2026-03-13 | 辉达公司 | 无滤波相依性的视频帧的并行编码 |
| CN118476227A (zh) * | 2022-01-17 | 2024-08-09 | 北京达佳互联信息技术有限公司 | 用于视频编解码中仿射合并模式的候选推导的方法和设备 |
| US12388977B2 (en) * | 2022-04-25 | 2025-08-12 | Tencent America LLC | Affine models use in affine bilateral matching |
| US12615374B2 (en) | 2023-02-08 | 2026-04-28 | Nvidia Corporation | Context-aware quantization for high-performance video encoding |
| US12316863B2 (en) | 2023-04-18 | 2025-05-27 | Nvidia Corporation | Chroma-from-luma mode selection for high-performance video encoding |
| US12238335B2 (en) | 2023-04-18 | 2025-02-25 | Nvidia Corporation | Efficient sub-pixel motion vector search for high-performance video encoding |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11381834B2 (en) * | 2018-04-02 | 2022-07-05 | Hfi Innovation Inc. | Video processing methods and apparatuses for sub-block motion compensation in video coding systems |
| US10958934B2 (en) * | 2018-07-27 | 2021-03-23 | Tencent America LLC | History-based affine merge and motion vector prediction |
| US10944984B2 (en) * | 2018-08-28 | 2021-03-09 | Qualcomm Incorporated | Affine motion prediction |
| US11212550B2 (en) * | 2018-09-21 | 2021-12-28 | Qualcomm Incorporated | History-based motion vector prediction for affine mode |
| IL326179A (en) * | 2018-09-21 | 2026-03-01 | Guangdong Oppo Mobile Telecommunications Corp Ltd | Method for encoding/decoding image signals and apparatus therefor |
| JP7225381B2 (ja) * | 2018-09-22 | 2023-02-20 | エルジー エレクトロニクス インコーポレイティド | インター予測に基づいて、ビデオ信号を処理するための方法及び装置 |
-
2020
- 2020-09-22 US US17/028,064 patent/US11582475B2/en active Active
- 2020-09-23 JP JP2022517190A patent/JP2022548650A/ja active Pending
- 2020-09-23 BR BR112022004552A patent/BR112022004552A2/pt not_active IP Right Cessation
- 2020-09-23 KR KR1020227008453A patent/KR20220064962A/ko not_active Ceased
- 2020-09-23 PH PH1/2022/550408A patent/PH12022550408A1/en unknown
- 2020-09-23 EP EP20788938.7A patent/EP4035382A1/en active Pending
- 2020-09-23 AU AU2020354483A patent/AU2020354483A1/en not_active Abandoned
- 2020-09-23 WO PCT/US2020/052178 patent/WO2021061746A1/en not_active Ceased
- 2020-09-23 TW TW109132897A patent/TW202126042A/zh unknown
Also Published As
| Publication number | Publication date |
|---|---|
| WO2021061746A1 (en) | 2021-04-01 |
| EP4035382A1 (en) | 2022-08-03 |
| KR20220064962A (ko) | 2022-05-19 |
| TW202126042A (zh) | 2021-07-01 |
| PH12022550408A1 (en) | 2023-03-13 |
| US11582475B2 (en) | 2023-02-14 |
| CN114503584A (zh) | 2022-05-13 |
| US20210092432A1 (en) | 2021-03-25 |
| AU2020354483A1 (en) | 2022-03-10 |
| JP2022548650A (ja) | 2022-11-21 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| B08F | Application dismissed because of non-payment of annual fees [chapter 8.6 patent gazette] |
Free format text: REFERENTE A 5A ANUIDADE. |
|
| B08K | Patent lapsed as no evidence of payment of the annual fee has been furnished to inpi [chapter 8.11 patent gazette] |
Free format text: EM VIRTUDE DO ARQUIVAMENTO PUBLICADO NA RPI 2846 DE 22-07-2025 E CONSIDERANDO AUSENCIA DE MANIFESTACAO DENTRO DOS PRAZOS LEGAIS, INFORMO QUE CABE SER MANTIDO O ARQUIVAMENTO DO PEDIDO DE PATENTE, CONFORME O DISPOSTO NO ARTIGO 12, DA RESOLUCAO 113/2013. |