JP2022533061A5 - - Google Patents
Info
- Publication number
- JP2022533061A5 JP2022533061A5 JP2021566995A JP2021566995A JP2022533061A5 JP 2022533061 A5 JP2022533061 A5 JP 2022533061A5 JP 2021566995 A JP2021566995 A JP 2021566995A JP 2021566995 A JP2021566995 A JP 2021566995A JP 2022533061 A5 JP2022533061 A5 JP 2022533061A5
- Authority
- JP
- Japan
- Prior art keywords
- samples
- prediction block
- horizontal
- determining
- gradient
- 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.)
- Granted
Links
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2025019182A JP2025087703A (ja) | 2019-05-17 | 2025-02-07 | ビデオコーディングのための勾配ベースの予測改良 |
Applications Claiming Priority (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US201962849352P | 2019-05-17 | 2019-05-17 | |
| US62/849,352 | 2019-05-17 | ||
| US16/874,057 | 2020-05-14 | ||
| US16/874,057 US11317088B2 (en) | 2019-05-17 | 2020-05-14 | Gradient-based prediction refinement for video coding |
| PCT/US2020/033091 WO2020236568A1 (en) | 2019-05-17 | 2020-05-15 | Gradient-based prediction refinement for video coding |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2025019182A Division JP2025087703A (ja) | 2019-05-17 | 2025-02-07 | ビデオコーディングのための勾配ベースの予測改良 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2022533061A JP2022533061A (ja) | 2022-07-21 |
| JP2022533061A5 true JP2022533061A5 (enExample) | 2023-04-28 |
| JP7691936B2 JP7691936B2 (ja) | 2025-06-12 |
Family
ID=73230856
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2021566995A Active JP7691936B2 (ja) | 2019-05-17 | 2020-05-15 | ビデオコーディングのための勾配ベースの予測改良 |
| JP2025019182A Pending JP2025087703A (ja) | 2019-05-17 | 2025-02-07 | ビデオコーディングのための勾配ベースの予測改良 |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2025019182A Pending JP2025087703A (ja) | 2019-05-17 | 2025-02-07 | ビデオコーディングのための勾配ベースの予測改良 |
Country Status (13)
| Country | Link |
|---|---|
| US (1) | US11317088B2 (enExample) |
| EP (1) | EP3970370A1 (enExample) |
| JP (2) | JP7691936B2 (enExample) |
| KR (1) | KR20220009384A (enExample) |
| CN (1) | CN113950839B (enExample) |
| BR (1) | BR112021022331A2 (enExample) |
| CA (1) | CA3137462A1 (enExample) |
| CO (1) | CO2021015352A2 (enExample) |
| IL (1) | IL287257B2 (enExample) |
| MX (1) | MX2021014018A (enExample) |
| SG (1) | SG11202111550WA (enExample) |
| TW (1) | TWI904088B (enExample) |
| WO (1) | WO2020236568A1 (enExample) |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10609423B2 (en) * | 2016-09-07 | 2020-03-31 | Qualcomm Incorporated | Tree-type coding for video coding |
| US11962796B2 (en) | 2019-04-01 | 2024-04-16 | Qualcomm Incorporated | Gradient-based prediction refinement for video coding |
| JP2021048514A (ja) * | 2019-09-19 | 2021-03-25 | シャープ株式会社 | 動画像符号化装置、動画像復号装置、予測画像生成方法 |
| EP4032300A4 (en) | 2019-09-20 | 2022-11-09 | Telefonaktiebolaget Lm Ericsson (Publ) | Methods of video encoding and/or decoding with bidirectional optical flow simplification on shift operations and related apparatus |
| US20220337865A1 (en) * | 2019-09-23 | 2022-10-20 | Sony Group Corporation | Image processing device and image processing method |
| WO2022197137A1 (ko) * | 2021-03-19 | 2022-09-22 | 현대자동차주식회사 | 성분별 적응적 공간해상도를 갖는 움직임벡터를 이용하는 비디오 코딩방법 및 장치 |
| WO2022211463A1 (ko) * | 2021-04-02 | 2022-10-06 | 현대자동차주식회사 | 적응적 인트라 예측 정밀도를 이용하는 비디오 코딩방법 및 장치 |
| CN114079792A (zh) * | 2021-07-22 | 2022-02-22 | 珠海市杰理科技股份有限公司 | 视频编码参考块的压缩方法、编码方法和装置 |
| EP4606113A1 (en) * | 2022-10-21 | 2025-08-27 | InterDigital CE Patent Holdings, SAS | Low complexity motion refinement |
| WO2025058213A1 (ko) * | 2023-09-13 | 2025-03-20 | 삼성전자 주식회사 | 인트라 예측을 이용하여 영상을 부호화 및 복호화하는 장치, 및 방법 |
Family Cites Families (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9325991B2 (en) * | 2012-04-11 | 2016-04-26 | Qualcomm Incorporated | Motion vector rounding |
| US10015515B2 (en) * | 2013-06-21 | 2018-07-03 | Qualcomm Incorporated | Intra prediction from a predictive block |
| US9918105B2 (en) * | 2014-10-07 | 2018-03-13 | Qualcomm Incorporated | Intra BC and inter unification |
| WO2017036399A1 (en) * | 2015-09-02 | 2017-03-09 | Mediatek Inc. | Method and apparatus of motion compensation for video coding based on bi prediction optical flow techniques |
| CN115278229B (zh) * | 2015-11-11 | 2024-12-10 | 三星电子株式会社 | 对视频进行解码的设备和对视频进行编码的设备 |
| EP4661401A3 (en) * | 2016-02-03 | 2026-02-25 | Guangdong Oppo Mobile Telecommunications Corp., Ltd. | Moving image decoding device, moving image coding device, and prediction image generation device |
| EP3453178A1 (en) * | 2016-05-06 | 2019-03-13 | VID SCALE, Inc. | Systems and methods for motion compensated residual prediction |
| US10560712B2 (en) * | 2016-05-16 | 2020-02-11 | Qualcomm Incorporated | Affine motion prediction for video coding |
| GB2574733B (en) * | 2016-12-28 | 2020-05-06 | Arris Entpr Llc | Improved video bitstream coding |
| WO2018125972A1 (en) * | 2016-12-28 | 2018-07-05 | Arris Enterprises Llc | Adaptive unequal weight planar prediction |
| JP7036628B2 (ja) * | 2017-03-10 | 2022-03-15 | パナソニック インテレクチュアル プロパティ コーポレーション オブ アメリカ | 符号化装置、復号装置、符号化方法及び復号方法 |
| US10477237B2 (en) * | 2017-06-28 | 2019-11-12 | Futurewei Technologies, Inc. | Decoder side motion vector refinement in video coding |
| EP3649780B1 (en) * | 2017-07-03 | 2025-06-25 | InterDigital VC Holdings, Inc. | Motion-compensation prediction based on bi-directional optical flow |
| CN115174911B (zh) * | 2017-07-24 | 2025-06-20 | 艾锐势有限责任公司 | 帧内模式jvet编译方法 |
| JP2021520710A (ja) * | 2018-04-06 | 2021-08-19 | ヴィド スケール インコーポレイテッド | 簡易化された勾配導出による双方向オプティカルフロー方法 |
| US10986343B2 (en) * | 2018-04-15 | 2021-04-20 | Arris Enterprises Llc | Reducing overhead for multiple-hypothesis temporal prediction |
| JP7212150B2 (ja) * | 2018-09-19 | 2023-01-24 | 北京字節跳動網絡技術有限公司 | 適応動きベクトル解像度によるアフィンモードへの構文の使用 |
| US11962796B2 (en) * | 2019-04-01 | 2024-04-16 | Qualcomm Incorporated | Gradient-based prediction refinement for video coding |
| CN115499669B (zh) * | 2019-04-25 | 2023-08-29 | 北京达佳互联信息技术有限公司 | 对视频信号进行编码的双向光流方法、计算设备和存储介质 |
-
2020
- 2020-05-14 US US16/874,057 patent/US11317088B2/en active Active
- 2020-05-15 WO PCT/US2020/033091 patent/WO2020236568A1/en not_active Ceased
- 2020-05-15 IL IL287257A patent/IL287257B2/en unknown
- 2020-05-15 MX MX2021014018A patent/MX2021014018A/es unknown
- 2020-05-15 CA CA3137462A patent/CA3137462A1/en active Pending
- 2020-05-15 EP EP20730522.8A patent/EP3970370A1/en active Pending
- 2020-05-15 KR KR1020217036507A patent/KR20220009384A/ko active Pending
- 2020-05-15 JP JP2021566995A patent/JP7691936B2/ja active Active
- 2020-05-15 CN CN202080034608.XA patent/CN113950839B/zh active Active
- 2020-05-15 TW TW109116300A patent/TWI904088B/zh active
- 2020-05-15 BR BR112021022331A patent/BR112021022331A2/pt unknown
- 2020-05-15 SG SG11202111550WA patent/SG11202111550WA/en unknown
-
2021
- 2021-11-16 CO CONC2021/0015352A patent/CO2021015352A2/es unknown
-
2025
- 2025-02-07 JP JP2025019182A patent/JP2025087703A/ja active Pending
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