JP2022501906A5 - - Google Patents
Info
- Publication number
- JP2022501906A5 JP2022501906A5 JP2021515221A JP2021515221A JP2022501906A5 JP 2022501906 A5 JP2022501906 A5 JP 2022501906A5 JP 2021515221 A JP2021515221 A JP 2021515221A JP 2021515221 A JP2021515221 A JP 2021515221A JP 2022501906 A5 JP2022501906 A5 JP 2022501906A5
- Authority
- JP
- Japan
- Prior art keywords
- array
- component
- gradient
- parameter
- motion refinement
- 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 (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2023111403A JP7553659B2 (ja) | 2018-09-21 | 2023-07-06 | 双方向オプティカルフローのための複雑性低減およびビット幅制御 |
| JP2024153291A JP7744485B2 (ja) | 2018-09-21 | 2024-09-05 | 双方向オプティカルフローのための複雑性低減およびビット幅制御 |
Applications Claiming Priority (7)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US201862734763P | 2018-09-21 | 2018-09-21 | |
| US62/734,763 | 2018-09-21 | ||
| US201862738655P | 2018-09-28 | 2018-09-28 | |
| US62/738,655 | 2018-09-28 | ||
| US201962789331P | 2019-01-07 | 2019-01-07 | |
| US62/789,331 | 2019-01-07 | ||
| PCT/US2019/051560 WO2020061082A1 (en) | 2018-09-21 | 2019-09-17 | Complexity reduction and bit-width control for bi-directional optical flow |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2023111403A Division JP7553659B2 (ja) | 2018-09-21 | 2023-07-06 | 双方向オプティカルフローのための複雑性低減およびビット幅制御 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2022501906A JP2022501906A (ja) | 2022-01-06 |
| JP2022501906A5 true JP2022501906A5 (https=) | 2022-04-18 |
| JP7311589B2 JP7311589B2 (ja) | 2023-07-19 |
Family
ID=68104762
Family Applications (3)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2021515221A Active JP7311589B2 (ja) | 2018-09-21 | 2019-09-17 | 双方向オプティカルフローのための複雑性低減およびビット幅制御 |
| JP2023111403A Active JP7553659B2 (ja) | 2018-09-21 | 2023-07-06 | 双方向オプティカルフローのための複雑性低減およびビット幅制御 |
| JP2024153291A Active JP7744485B2 (ja) | 2018-09-21 | 2024-09-05 | 双方向オプティカルフローのための複雑性低減およびビット幅制御 |
Family Applications After (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2023111403A Active JP7553659B2 (ja) | 2018-09-21 | 2023-07-06 | 双方向オプティカルフローのための複雑性低減およびビット幅制御 |
| JP2024153291A Active JP7744485B2 (ja) | 2018-09-21 | 2024-09-05 | 双方向オプティカルフローのための複雑性低減およびビット幅制御 |
Country Status (8)
| Country | Link |
|---|---|
| US (5) | US11470308B2 (https=) |
| EP (1) | EP3854089A1 (https=) |
| JP (3) | JP7311589B2 (https=) |
| KR (2) | KR102708989B1 (https=) |
| CN (2) | CN112715030B (https=) |
| IL (1) | IL281581B2 (https=) |
| TW (3) | TWI866421B (https=) |
| WO (1) | WO2020061082A1 (https=) |
Families Citing this family (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020061082A1 (en) | 2018-09-21 | 2020-03-26 | Vid Scale, Inc. | Complexity reduction and bit-width control for bi-directional optical flow |
| CN112913241B (zh) | 2018-10-22 | 2024-03-26 | 北京字节跳动网络技术有限公司 | 解码器侧运动矢量推导的限制 |
| WO2020084461A1 (en) | 2018-10-22 | 2020-04-30 | Beijing Bytedance Network Technology Co., Ltd. | Restrictions on decoder side motion vector derivation based on coding information |
| EP4300965A3 (en) * | 2018-11-05 | 2024-01-17 | Beijing Bytedance Network Technology Co., Ltd. | Interpolation for inter prediction with refinement |
| CN119967170A (zh) * | 2018-12-21 | 2025-05-09 | 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 |
| JP7303255B2 (ja) * | 2019-01-09 | 2023-07-04 | ベイジン ダジア インターネット インフォメーション テクノロジー カンパニー リミテッド | ビデオコーディングの方法、ビデオコーディングデバイス、コンピュータ可読記憶媒体およびコンピュータプログラム |
| KR102489605B1 (ko) | 2019-01-09 | 2023-01-17 | 베이징 다지아 인터넷 인포메이션 테크놀로지 컴퍼니 리미티드 | 조합된 인터 및 인트라 예측을 위한 시스템 및 방법 |
| CN116886925B (zh) * | 2019-02-08 | 2024-11-08 | 北京达佳互联信息技术有限公司 | 一种用于视频编码的方法、计算设备和介质 |
| CN118450122A (zh) * | 2019-03-11 | 2024-08-06 | 松下电器（美国）知识产权公司 | 比特流的发送装置、比特流的发送方法和非暂时性存储介质 |
| KR102850505B1 (ko) * | 2019-03-15 | 2025-08-25 | 베이징 다지아 인터넷 인포메이션 테크놀로지 컴퍼니 리미티드 | 양방향 광 흐름을 위한 비트-폭 제어를 위한 방법 및 디바이스 |
| GB2585039A (en) * | 2019-06-25 | 2020-12-30 | Sony Corp | Image data encoding and decoding |
| US11736720B2 (en) * | 2019-09-03 | 2023-08-22 | Tencent America LLC | Motion vector refinement methods for video encoding |
| 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 |
| EP4231642A1 (en) * | 2019-12-30 | 2023-08-23 | Guangdong Oppo Mobile Telecommunications Corp., Ltd. | Inter-frame prediction method, encoder, decoder and storage medium |
| CN114079784A (zh) * | 2020-08-20 | 2022-02-22 | Oppo广东移动通信有限公司 | 帧间预测方法、编码器、解码器以及计算机存储介质 |
| EP4723623A1 (en) * | 2024-10-03 | 2026-04-08 | InterDigital CE Patent Holdings, SAS | Rate-distortion optimization with motion information |
Family Cites Families (23)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06168239A (ja) | 1992-11-27 | 1994-06-14 | Toshiba Corp | 文書作成装置 |
| JP2991878B2 (ja) * | 1992-11-27 | 1999-12-20 | 三菱電機株式会社 | オプティカルフロー演算回路 |
| EP2375751A1 (en) * | 2010-04-12 | 2011-10-12 | Panasonic Corporation | Complexity reduction of edge-detection based spatial interpolation |
| US9172972B2 (en) | 2011-01-05 | 2015-10-27 | Qualcomm Incorporated | Low complexity interpolation filtering with adaptive tap size |
| EP4040791A1 (en) | 2015-06-08 | 2022-08-10 | Vid Scale, Inc. | Intra block copy mode for screen content coding |
| EP3340620B1 (en) | 2015-08-23 | 2024-10-02 | LG Electronics Inc. | Inter prediction mode-based image processing method and apparatus therefor |
| US10341659B2 (en) * | 2016-10-05 | 2019-07-02 | Qualcomm Incorporated | Systems and methods of switching interpolation filters |
| WO2018084339A1 (ko) | 2016-11-04 | 2018-05-11 | 엘지전자(주) | 인터 예측 모드 기반 영상 처리 방법 및 이를 위한 장치 |
| WO2018113658A1 (en) * | 2016-12-22 | 2018-06-28 | Mediatek Inc. | Method and apparatus of motion refinement for video coding |
| US10931969B2 (en) * | 2017-01-04 | 2021-02-23 | Qualcomm Incorporated | Motion vector reconstructions for bi-directional optical flow (BIO) |
| US10701366B2 (en) * | 2017-02-21 | 2020-06-30 | Qualcomm Incorporated | Deriving motion vector information at a video decoder |
| WO2018166357A1 (en) * | 2017-03-16 | 2018-09-20 | Mediatek Inc. | Method and apparatus of motion refinement based on bi-directional optical flow for video coding |
| CN116847086A (zh) * | 2017-05-17 | 2023-10-03 | 株式会社Kt | 对图像解码的方法以及存储压缩视频数据的装置 |
| WO2018226015A1 (ko) * | 2017-06-09 | 2018-12-13 | 한국전자통신연구원 | 영상 부호화/복호화 방법, 장치 및 비트스트림을 저장한 기록 매체 |
| US10904565B2 (en) * | 2017-06-23 | 2021-01-26 | Qualcomm Incorporated | Memory-bandwidth-efficient design for bi-directional optical flow (BIO) |
| EP3649780B1 (en) * | 2017-07-03 | 2025-06-25 | InterDigital VC Holdings, Inc. | Motion-compensation prediction based on bi-directional optical flow |
| WO2019061475A1 (en) * | 2017-09-30 | 2019-04-04 | SZ DJI Technology Co., Ltd. | IMAGE PROCESSING |
| US10776688B2 (en) * | 2017-11-06 | 2020-09-15 | Nvidia Corporation | Multi-frame video interpolation using optical flow |
| US11109053B2 (en) * | 2018-03-05 | 2021-08-31 | Panasonic Intellectual Property Corporation Of America | Encoding method, decoding method, encoder, and decoder |
| 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 |
| KR102596104B1 (ko) * | 2018-06-11 | 2023-10-30 | 에이치에프아이 이노베이션 인크. | 비디오 코딩을 위한 양방향 광학 흐름의 방법 및 장치 |
| EP3834416A4 (en) | 2018-08-17 | 2022-08-17 | HFI Innovation Inc. | Methods and apparatuses of video processing with bi-direction predicition in video coding systems |
| WO2020061082A1 (en) | 2018-09-21 | 2020-03-26 | Vid Scale, Inc. | Complexity reduction and bit-width control for bi-directional optical flow |
-
2019
- 2019-09-17 WO PCT/US2019/051560 patent/WO2020061082A1/en not_active Ceased
- 2019-09-17 US US17/276,448 patent/US11470308B2/en active Active
- 2019-09-17 CN CN201980060852.0A patent/CN112715030B/zh active Active
- 2019-09-17 JP JP2021515221A patent/JP7311589B2/ja active Active
- 2019-09-17 CN CN202410474083.1A patent/CN118474345A/zh active Pending
- 2019-09-17 IL IL281581A patent/IL281581B2/en unknown
- 2019-09-17 EP EP19780070.9A patent/EP3854089A1/en active Pending
- 2019-09-17 KR KR1020217008062A patent/KR102708989B1/ko active Active
- 2019-09-17 KR KR1020247030758A patent/KR102937491B1/ko active Active
- 2019-09-18 TW TW112132633A patent/TWI866421B/zh active
- 2019-09-18 TW TW108133511A patent/TWI834722B/zh active
- 2019-09-18 TW TW113143196A patent/TW202516922A/zh unknown
-
2022
- 2022-10-10 US US17/962,928 patent/US11968358B2/en active Active
- 2022-10-10 US US17/962,918 patent/US12003703B2/en active Active
-
2023
- 2023-07-06 JP JP2023111403A patent/JP7553659B2/ja active Active
-
2024
- 2024-02-09 US US18/438,202 patent/US12464117B2/en active Active
- 2024-09-05 JP JP2024153291A patent/JP7744485B2/ja active Active
-
2025
- 2025-10-13 US US19/356,614 patent/US20260039801A1/en active Pending
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