JPWO2020150080A5 - - Google Patents
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- JPWO2020150080A5 JPWO2020150080A5 JP2021536079A JP2021536079A JPWO2020150080A5 JP WO2020150080 A5 JPWO2020150080 A5 JP WO2020150080A5 JP 2021536079 A JP2021536079 A JP 2021536079A JP 2021536079 A JP2021536079 A JP 2021536079A JP WO2020150080 A5 JPWO2020150080 A5 JP WO2020150080A5
- Authority
- JP
- Japan
- Prior art keywords
- prediction
- weights
- optical flow
- image
- bidirectional
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Applications Claiming Priority (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP19305044.0 | 2019-01-14 | ||
| EP19305044 | 2019-01-14 | ||
| EP19305267.7 | 2019-03-07 | ||
| 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 (4)
| Publication Number | Publication Date |
|---|---|
| JP2022517911A JP2022517911A (ja) | 2022-03-11 |
| JPWO2020150080A5 true JPWO2020150080A5 (https=) | 2023-01-19 |
| JP2022517911A5 JP2022517911A5 (https=) | 2023-01-19 |
| JP7548908B2 JP7548908B2 (ja) | 2024-09-10 |
Family
ID=69467791
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2021536079A Active JP7548908B2 (ja) | 2019-01-14 | 2020-01-10 | 重み付け予測に適応された双方向オプティカルフローによる映像符号化及び復号の方法及び装置 |
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
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