ES2992659T3 - Method and apparatus for prediction refinement with optical flow for an affine coded block - Google Patents
Method and apparatus for prediction refinement with optical flow for an affine coded block Download PDFInfo
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- ES2992659T3 ES2992659T3 ES20774646T ES20774646T ES2992659T3 ES 2992659 T3 ES2992659 T3 ES 2992659T3 ES 20774646 T ES20774646 T ES 20774646T ES 20774646 T ES20774646 T ES 20774646T ES 2992659 T3 ES2992659 T3 ES 2992659T3
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Classifications
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- 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
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- 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
- H04N19/139—Analysis of motion vectors, e.g. their magnitude, direction, variance or reliability
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Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Compression Or Coding Systems Of Tv Signals (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
- Compression Of Band Width Or Redundancy In Fax (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US201962821440P | 2019-03-20 | 2019-03-20 | |
| US201962839765P | 2019-04-28 | 2019-04-28 | |
| PCT/CN2020/080412 WO2020187316A1 (en) | 2019-03-20 | 2020-03-20 | Method and apparatus for prediction refinement with optical flow for an affine coded block |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ES2992659T3 true ES2992659T3 (en) | 2024-12-16 |
Family
ID=72519643
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ES20774646T Active ES2992659T3 (en) | 2019-03-20 | 2020-03-20 | Method and apparatus for prediction refinement with optical flow for an affine coded block |
Country Status (11)
| Country | Link |
|---|---|
| US (3) | US12003733B2 (enExample) |
| EP (2) | EP3932054B1 (enExample) |
| JP (3) | JP7590337B2 (enExample) |
| KR (2) | KR20250153324A (enExample) |
| CN (2) | CN118945317B (enExample) |
| BR (1) | BR112021018644A2 (enExample) |
| ES (1) | ES2992659T3 (enExample) |
| HU (1) | HUE066834T2 (enExample) |
| MX (1) | MX2021011370A (enExample) |
| PL (1) | PL3932054T3 (enExample) |
| WO (1) | WO2020187316A1 (enExample) |
Families Citing this family (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111418206B (zh) * | 2018-10-05 | 2023-12-01 | Lg电子株式会社 | 使用mpm列表的基于帧内预测的视频编码方法及其装置 |
| US11272203B2 (en) * | 2019-07-23 | 2022-03-08 | Tencent America LLC | Method and apparatus for video coding |
| CN120128700B (zh) * | 2019-09-12 | 2026-05-26 | 阿里巴巴创新公司 | 计算机实现的编解码方法、解码装置及计算机可读存储介质 |
| CN116233466B (zh) * | 2019-09-17 | 2025-08-19 | 北京达佳互联信息技术有限公司 | 光流预测细化(prof)的方法和装置 |
| CN112135126B (zh) * | 2019-11-05 | 2021-09-21 | 杭州海康威视数字技术股份有限公司 | 一种编解码方法、装置、设备及机器可读存储介质 |
| WO2022257954A1 (en) * | 2021-06-10 | 2022-12-15 | Beijing Bytedance Network Technology Co., Ltd. | Method, device, and medium for video processing |
| WO2023078449A1 (en) * | 2021-11-08 | 2023-05-11 | Beijing Bytedance Network Technology Co., Ltd. | Method, apparatus, and medium for video processing |
| CN113793259B (zh) * | 2021-11-15 | 2022-02-15 | 深圳思谋信息科技有限公司 | 图像变焦方法、计算机设备和存储介质 |
| WO2024149035A1 (en) * | 2023-01-13 | 2024-07-18 | Mediatek Inc. | Methods and apparatus of affine motion compensation for block boundaries and motion refinement in video coding |
| US20240380913A1 (en) * | 2023-05-09 | 2024-11-14 | Microsoft Technology Licensing, Llc | Motion compensation via inertial tracking and optical flow |
| US12489891B2 (en) * | 2023-06-16 | 2025-12-02 | Zoom Communications, Inc. | Reducing grid artifacts in video frames |
| US12627829B2 (en) * | 2023-12-18 | 2026-05-12 | Tencent America LLC | Systems and methods for optical flow-based motion vector refinement |
| US20250267274A1 (en) * | 2024-02-20 | 2025-08-21 | Tencent America LLC | Uni-directional optical flow |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104717501A (zh) * | 2012-09-28 | 2015-06-17 | 英特尔公司 | 层间像素样本预测 |
| US10595017B2 (en) * | 2015-10-22 | 2020-03-17 | Lg Electronics Inc. | Modeling-based image decoding method and device in image coding system |
| CN105847804B (zh) * | 2016-05-18 | 2017-12-15 | 信阳师范学院 | 一种基于稀疏冗余表示模型的视频帧率上转换方法 |
| EP3556096B1 (en) * | 2016-12-22 | 2024-05-22 | HFI Innovation Inc. | Method and apparatus of motion refinement for video coding |
| US10904565B2 (en) * | 2017-06-23 | 2021-01-26 | Qualcomm Incorporated | Memory-bandwidth-efficient design for bi-directional optical flow (BIO) |
| BR112020000032A2 (pt) * | 2017-07-03 | 2020-07-14 | Vid Scale, Inc. | dispositivo e método de codificação de dados de vídeo. |
| CN120730076A (zh) | 2019-02-07 | 2025-09-30 | 交互数字Vc控股公司 | 用于利用光流的帧间预测细化的系统、装置和方法 |
| PL4459986T3 (pl) * | 2019-02-24 | 2026-06-15 | Lg Electronics Inc. | Urządzenie do predykcji międzyramkowej na podstawie dmvr |
| JP6867611B2 (ja) * | 2019-03-11 | 2021-04-28 | Kddi株式会社 | 画像復号装置、画像復号方法及びプログラム |
| KR102659481B1 (ko) | 2019-03-17 | 2024-04-23 | 베이징 바이트댄스 네트워크 테크놀로지 컴퍼니, 리미티드 | 광학 흐름에 기초한 예측 정제의 계산 |
| US11343525B2 (en) | 2019-03-19 | 2022-05-24 | Tencent America LLC | Method and apparatus for video coding by constraining sub-block motion vectors and determining adjustment values based on constrained sub-block motion vectors |
-
2020
- 2020-03-20 EP EP20774646.2A patent/EP3932054B1/en active Active
- 2020-03-20 ES ES20774646T patent/ES2992659T3/es active Active
- 2020-03-20 PL PL20774646.2T patent/PL3932054T3/pl unknown
- 2020-03-20 MX MX2021011370A patent/MX2021011370A/es unknown
- 2020-03-20 BR BR112021018644A patent/BR112021018644A2/pt unknown
- 2020-03-20 JP JP2021556816A patent/JP7590337B2/ja active Active
- 2020-03-20 CN CN202410918815.1A patent/CN118945317B/zh active Active
- 2020-03-20 CN CN202080023321.7A patent/CN113615173A/zh active Pending
- 2020-03-20 WO PCT/CN2020/080412 patent/WO2020187316A1/en not_active Ceased
- 2020-03-20 HU HUE20774646A patent/HUE066834T2/hu unknown
- 2020-03-20 KR KR1020257034293A patent/KR20250153324A/ko active Pending
- 2020-03-20 KR KR1020217033210A patent/KR102873144B1/ko active Active
- 2020-03-20 EP EP24155675.2A patent/EP4344205A3/en active Pending
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2021
- 2021-09-17 US US17/478,697 patent/US12003733B2/en active Active
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2023
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2024
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2025
- 2025-03-07 US US19/073,836 patent/US20250254323A1/en active Pending
- 2025-08-27 JP JP2025141524A patent/JP7871480B2/ja active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN113615173A (zh) | 2021-11-05 |
| KR20210134400A (ko) | 2021-11-09 |
| EP4344205A3 (en) | 2024-05-22 |
| US20240364895A1 (en) | 2024-10-31 |
| BR112021018644A2 (pt) | 2021-11-23 |
| PL3932054T3 (pl) | 2024-07-29 |
| HUE066834T2 (hu) | 2024-09-28 |
| JP2025184871A (ja) | 2025-12-18 |
| US20220078442A1 (en) | 2022-03-10 |
| JP2022527701A (ja) | 2022-06-03 |
| EP3932054A4 (en) | 2022-07-13 |
| EP3932054A1 (en) | 2022-01-05 |
| JP7871480B2 (ja) | 2026-06-08 |
| KR20250153324A (ko) | 2025-10-24 |
| US20250254323A1 (en) | 2025-08-07 |
| KR102873144B1 (ko) | 2025-10-16 |
| EP3932054B1 (en) | 2024-04-24 |
| EP4344205A2 (en) | 2024-03-27 |
| JP2024019406A (ja) | 2024-02-09 |
| MX2021011370A (es) | 2021-11-12 |
| JP7736764B2 (ja) | 2025-09-09 |
| US12003733B2 (en) | 2024-06-04 |
| US12273532B2 (en) | 2025-04-08 |
| CN118945317A (zh) | 2024-11-12 |
| JP7590337B2 (ja) | 2024-11-26 |
| WO2020187316A1 (en) | 2020-09-24 |
| CN118945317B (zh) | 2025-08-26 |
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