MX2021008468A - Metodo y aparato para codificacion y decodificacion de video con flujo optico bi-direccional adaptado a prediccion ponderada. - Google Patents
Metodo y aparato para codificacion y decodificacion de video con flujo optico bi-direccional adaptado a prediccion ponderada.Info
- Publication number
- MX2021008468A MX2021008468A MX2021008468A MX2021008468A MX2021008468A MX 2021008468 A MX2021008468 A MX 2021008468A MX 2021008468 A MX2021008468 A MX 2021008468A MX 2021008468 A MX2021008468 A MX 2021008468A MX 2021008468 A MX2021008468 A MX 2021008468A
- Authority
- MX
- Mexico
- Prior art keywords
- weighted prediction
- decoding
- optical flow
- directional optical
- video encoding
- 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
- H04N19/573—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
- H04N19/134—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
- H04N19/136—Incoming video signal characteristics or properties
- H04N19/137—Motion inside a coding unit, e.g. average field, frame or block difference
-
- 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
- H04N19/10—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
- H04N19/184—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 bits, e.g. of the compressed video stream
-
- 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)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP19305044 | 2019-01-14 | ||
| EP19305267 | 2019-03-07 | ||
| PCT/US2020/013026 WO2020150080A1 (en) | 2019-01-14 | 2020-01-10 | Method and apparatus for video encoding and decoding with bi-directional optical flow adapted to weighted prediction |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| MX2021008468A true MX2021008468A (es) | 2021-08-19 |
Family
ID=69467791
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| MX2021008468A MX2021008468A (es) | 2019-01-14 | 2020-01-10 | Metodo y aparato para codificacion y decodificacion de video con flujo optico bi-direccional adaptado a prediccion ponderada. |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US12316870B2 (https=) |
| EP (1) | EP3912356A1 (https=) |
| JP (1) | JP7548908B2 (https=) |
| CN (1) | CN113330747B (https=) |
| MX (1) | MX2021008468A (https=) |
| WO (1) | WO2020150080A1 (https=) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN119922305A (zh) | 2018-12-21 | 2025-05-02 | 韩国电子通信研究院 | 图像编码/解码方法和装置以及存储比特流的记录介质 |
| US11089328B2 (en) * | 2019-05-22 | 2021-08-10 | Qualcomm Incorporated | Bi-directional optical flow in video coding |
| CN114365485B (zh) * | 2019-09-10 | 2026-03-27 | 诺基亚技术有限公司 | 用于执行bdof的图像编码/解码方法和装置及用于发送比特流的方法 |
| CN116158079A (zh) * | 2020-07-27 | 2023-05-23 | 北京达佳互联信息技术有限公司 | 用于视频编解码的加权ac预测 |
| JP7055937B1 (ja) * | 2021-10-13 | 2022-04-18 | Kddi株式会社 | 画像復号装置、画像復号方法及びプログラム |
| JP7106025B2 (ja) * | 2022-01-17 | 2022-07-25 | Kddi株式会社 | 画像復号装置、画像復号方法及びプログラム |
Family Cites Families (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9392274B2 (en) * | 2012-03-22 | 2016-07-12 | Qualcomm Incorporated | Inter layer texture prediction for video coding |
| US9743092B2 (en) * | 2015-10-13 | 2017-08-22 | Nokia Technologies Oy | Video coding with helper data for spatial intra-prediction |
| EP3413563B1 (en) * | 2016-02-03 | 2026-02-18 | Guangdong Oppo Mobile Telecommunications Corp., Ltd. | Moving image decoding device, moving image encoding device, and prediction image generation device |
| EP4060992B1 (en) | 2016-05-13 | 2025-07-02 | InterDigital VC Holdings, Inc. | Systems and methods for generalized multi-hypothesis prediction for video coding |
| WO2018125972A1 (en) * | 2016-12-28 | 2018-07-05 | Arris Enterprises Llc | Adaptive unequal weight planar prediction |
| MX2020007868A (es) * | 2018-01-26 | 2020-09-07 | Interdigital Vc Holdings Inc | Metodo y aparato para codificacion y decodificacion de video basado en un modelo lineal receptivo a muestras vecinas. |
| CN112930684B (zh) * | 2018-08-17 | 2023-10-13 | 寰发股份有限公司 | 在视频编解码系统中利用双向预测处理视频的方法、设备 |
| TW202029755A (zh) * | 2018-09-26 | 2020-08-01 | 美商Ｖｉｄ衡器股份有限公司 | 視訊編碼雙預測 |
| WO2020070612A1 (en) * | 2018-10-06 | 2020-04-09 | Beijing Bytedance Network Technology Co., Ltd. | Improvement for temporal gradient calculating in bio |
| CN111083492B (zh) * | 2018-10-22 | 2024-01-12 | 北京字节跳动网络技术有限公司 | 双向光流中的梯度计算 |
| CN118694931B (zh) * | 2018-11-05 | 2025-12-02 | 北京字节跳动网络技术有限公司 | 编解码视频数据的方法、装置及计算机可读存储介质 |
| US11546604B2 (en) * | 2018-12-21 | 2023-01-03 | Vid Scale, Inc. | Symmetric motion vector difference coding |
-
2020
- 2020-01-10 EP EP20703664.1A patent/EP3912356A1/en active Pending
- 2020-01-10 JP JP2021536079A patent/JP7548908B2/ja active Active
- 2020-01-10 MX MX2021008468A patent/MX2021008468A/es unknown
- 2020-01-10 US US17/422,349 patent/US12316870B2/en active Active
- 2020-01-10 WO PCT/US2020/013026 patent/WO2020150080A1/en not_active Ceased
- 2020-01-10 CN CN202080009032.1A patent/CN113330747B/zh active Active
Also Published As
| Publication number | Publication date |
|---|---|
| EP3912356A1 (en) | 2021-11-24 |
| CN113330747B (zh) | 2025-10-17 |
| US12316870B2 (en) | 2025-05-27 |
| US20220109871A1 (en) | 2022-04-07 |
| JP7548908B2 (ja) | 2024-09-10 |
| WO2020150080A1 (en) | 2020-07-23 |
| JP2022517911A (ja) | 2022-03-11 |
| CN113330747A (zh) | 2021-08-31 |
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