PT4221225T - Manuseio da ferramenta de codificação de fluxo óptico bidirecional (bio) para resamplagem de imagem de referência na codificação de vídeo - Google Patents
Manuseio da ferramenta de codificação de fluxo óptico bidirecional (bio) para resamplagem de imagem de referência na codificação de vídeoInfo
- Publication number
- PT4221225T PT4221225T PT231672254T PT23167225T PT4221225T PT 4221225 T PT4221225 T PT 4221225T PT 231672254 T PT231672254 T PT 231672254T PT 23167225 T PT23167225 T PT 23167225T PT 4221225 T PT4221225 T PT 4221225T
- Authority
- PT
- Portugal
- Prior art keywords
- bio
- handling
- coding
- reference picture
- optical flow
- Prior art date
Links
- 238000012952 Resampling Methods 0.000 title 1
- 230000003287 optical effect Effects 0.000 title 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
- H04N19/10—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
- H04N19/132—Sampling, masking or truncation of coding units, e.g. adaptive resampling, frame skipping, frame interpolation or high-frequency transform coefficient masking
-
- 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
- H04N19/134—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
- H04N19/46—Embedding additional information in the video signal during the compression process
-
- 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
- H04N19/513—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
- H04N19/577—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)
- Optical Communication System (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US201962848409P | 2019-05-15 | 2019-05-15 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| PT4221225T true PT4221225T (pt) | 2024-07-26 |
Family
ID=73289314
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PT208053819T PT3970363T (pt) | 2019-05-15 | 2020-05-14 | Utilização da ferramenta de codificação de fluxo ótico bidirecional (bio) para reamostragem de imagem de referência na codificação de vídeo |
| PT231672254T PT4221225T (pt) | 2019-05-15 | 2020-05-14 | Manuseio da ferramenta de codificação de fluxo óptico bidirecional (bio) para resamplagem de imagem de referência na codificação de vídeo |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PT208053819T PT3970363T (pt) | 2019-05-15 | 2020-05-14 | Utilização da ferramenta de codificação de fluxo ótico bidirecional (bio) para reamostragem de imagem de referência na codificação de vídeo |
Country Status (11)
| Country | Link |
|---|---|
| US (1) | US20220014735A1 (pt) |
| EP (3) | EP4407992A2 (pt) |
| JP (2) | JP7384929B2 (pt) |
| KR (2) | KR102628896B1 (pt) |
| CN (2) | CN118101931A (pt) |
| ES (1) | ES2947509T3 (pt) |
| HU (1) | HUE061979T2 (pt) |
| MX (2) | MX2021013977A (pt) |
| PL (2) | PL3970363T3 (pt) |
| PT (2) | PT3970363T (pt) |
| WO (1) | WO2020232264A1 (pt) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP7323641B2 (ja) | 2019-05-21 | 2023-08-08 | 北京字節跳動網絡技術有限公司 | アフィンモードのための適応動きベクトル差分分解 |
| CN114342405A (zh) * | 2019-06-24 | 2022-04-12 | Lg电子株式会社 | 图像解码方法和用于该图像解码方法的装置 |
| KR20220042125A (ko) | 2019-08-10 | 2022-04-04 | 베이징 바이트댄스 네트워크 테크놀로지 컴퍼니, 리미티드 | 서브픽처 디코딩에서의 버퍼 관리 |
| KR102614946B1 (ko) * | 2019-08-22 | 2023-12-15 | 엘지전자 주식회사 | 가중 예측을 수행하는 영상 부호화/복호화 방법, 장치 및 비트스트림을 전송하는 방법 |
| JP7482220B2 (ja) | 2019-10-18 | 2024-05-13 | 北京字節跳動網絡技術有限公司 | サブピクチャのパラメータセットシグナリングにおける構文制約 |
| EP4351133A1 (en) * | 2022-10-07 | 2024-04-10 | Beijing Xiaomi Mobile Software Co., Ltd. | Encoding/decoding video picture data |
Family Cites Families (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100401782C (zh) * | 2002-09-05 | 2008-07-09 | 新加坡科技研究局 | 控制视频序列速率的方法和装置及视频编码装置 |
| US8160149B2 (en) * | 2007-04-03 | 2012-04-17 | Gary Demos | Flowfield motion compensation for video compression |
| US20170171563A1 (en) * | 2014-02-24 | 2017-06-15 | Sharp Kabushiki Kaisha | Restrictions on signaling |
| US10375413B2 (en) | 2015-09-28 | 2019-08-06 | Qualcomm Incorporated | Bi-directional optical flow for video coding |
| CN108541375B (zh) * | 2016-02-03 | 2022-04-12 | 夏普株式会社 | 运动图像解码装置、运动图像编码装置、以及预测图像生成装置 |
| US10904565B2 (en) * | 2017-06-23 | 2021-01-26 | Qualcomm Incorporated | Memory-bandwidth-efficient design for bi-directional optical flow (BIO) |
| KR102660160B1 (ko) * | 2018-11-22 | 2024-04-24 | 베이징 바이트댄스 네트워크 테크놀로지 컴퍼니, 리미티드 | 서브 블록 기반 인터 예측을 위한 조정 방법 |
| KR20210100196A (ko) * | 2019-02-14 | 2021-08-13 | 엘지전자 주식회사 | Dmvr 기반의 인터 예측 방법 및 장치 |
| US11206425B2 (en) * | 2019-03-11 | 2021-12-21 | Alibaba Group Holding Limited | Inter prediction methods for coding video data |
| US11039150B2 (en) * | 2019-04-19 | 2021-06-15 | Tencent America LLC | Method and apparatus for video coding |
| CN113853792A (zh) | 2019-05-11 | 2021-12-28 | 北京字节跳动网络技术有限公司 | 带有参考图片重采样的编解码工具 |
| HUE065468T2 (hu) * | 2019-07-08 | 2024-05-28 | Huawei Tech Co Ltd | Több képméret és megfelelõségi ablak kezelése referenciaképek újra-mintavételezéséhez a videókódolásban |
| JP7414980B2 (ja) | 2019-10-13 | 2024-01-16 | 北京字節跳動網絡技術有限公司 | 参照ピクチャリサンプリングと映像コーディングツールとの間の相互作用 |
-
2020
- 2020-05-14 MX MX2021013977A patent/MX2021013977A/es unknown
- 2020-05-14 PT PT208053819T patent/PT3970363T/pt unknown
- 2020-05-14 PL PL20805381.9T patent/PL3970363T3/pl unknown
- 2020-05-14 EP EP24175877.0A patent/EP4407992A2/en active Pending
- 2020-05-14 EP EP20805381.9A patent/EP3970363B1/en active Active
- 2020-05-14 CN CN202410218755.2A patent/CN118101931A/zh active Pending
- 2020-05-14 PL PL23167225.4T patent/PL4221225T3/pl unknown
- 2020-05-14 HU HUE20805381A patent/HUE061979T2/hu unknown
- 2020-05-14 KR KR1020217041181A patent/KR102628896B1/ko active IP Right Grant
- 2020-05-14 CN CN202080035926.8A patent/CN113826381A/zh active Pending
- 2020-05-14 ES ES20805381T patent/ES2947509T3/es active Active
- 2020-05-14 WO PCT/US2020/032922 patent/WO2020232264A1/en unknown
- 2020-05-14 JP JP2021568304A patent/JP7384929B2/ja active Active
- 2020-05-14 PT PT231672254T patent/PT4221225T/pt unknown
- 2020-05-14 KR KR1020247002255A patent/KR20240013895A/ko not_active Application Discontinuation
- 2020-05-14 EP EP23167225.4A patent/EP4221225B1/en active Active
-
2021
- 2021-09-24 US US17/484,796 patent/US20220014735A1/en active Pending
- 2021-11-12 MX MX2024002741A patent/MX2024002741A/es unknown
-
2023
- 2023-11-09 JP JP2023191422A patent/JP2024012555A/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| PT3970363T (pt) | 2023-06-15 |
| EP3970363A1 (en) | 2022-03-23 |
| HUE061979T2 (hu) | 2023-09-28 |
| MX2024002741A (es) | 2024-03-22 |
| KR102628896B1 (ko) | 2024-01-23 |
| CN118101931A (zh) | 2024-05-28 |
| EP3970363B1 (en) | 2023-05-17 |
| KR20240013895A (ko) | 2024-01-30 |
| EP4221225B1 (en) | 2024-05-29 |
| JP2024012555A (ja) | 2024-01-30 |
| JP2022532400A (ja) | 2022-07-14 |
| EP4221225A1 (en) | 2023-08-02 |
| JP7384929B2 (ja) | 2023-11-21 |
| EP4407992A2 (en) | 2024-07-31 |
| WO2020232264A1 (en) | 2020-11-19 |
| MX2021013977A (es) | 2022-04-01 |
| ES2947509T3 (es) | 2023-08-10 |
| US20220014735A1 (en) | 2022-01-13 |
| PL3970363T3 (pl) | 2023-07-17 |
| PL4221225T3 (pl) | 2024-08-26 |
| EP3970363A4 (en) | 2022-07-27 |
| CN113826381A (zh) | 2021-12-21 |
| KR20220008342A (ko) | 2022-01-20 |
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