CN118945317B - 对仿射译码块进行光流预测修正的方法及装置 - Google Patents
对仿射译码块进行光流预测修正的方法及装置Info
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- CN118945317B CN118945317B CN202410918815.1A CN202410918815A CN118945317B CN 118945317 B CN118945317 B CN 118945317B CN 202410918815 A CN202410918815 A CN 202410918815A CN 118945317 B CN118945317 B CN 118945317B
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- 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
- H04N19/139—Analysis of motion vectors, e.g. their magnitude, direction, variance or reliability
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- 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
- H04N19/527—Global motion vector estimation
-
- 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
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- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
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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
- H04N19/119—Adaptive subdivision aspects, e.g. subdivision of a picture into rectangular or non-rectangular coding blocks
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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
- H04N19/132—Sampling, masking or truncation of coding units, e.g. adaptive resampling, frame skipping, frame interpolation or high-frequency transform coefficient masking
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- 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
- H04N19/172—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 picture, frame or field
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- 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
- H04N19/174—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 slice, e.g. a line of blocks or a group of blocks
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- 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
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- H—ELECTRICITY
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- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
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- 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
- H04N19/513—Processing of motion vectors
- H04N19/517—Processing of motion vectors by encoding
- H04N19/52—Processing of motion vectors by encoding by predictive encoding
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- 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
- H04N19/513—Processing of motion vectors
- H04N19/521—Processing of motion vectors for estimating the reliability of the determined motion vectors or motion vector field, e.g. for smoothing the motion vector field or for correcting motion vectors
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- H—ELECTRICITY
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- 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
- H04N19/55—Motion estimation with spatial constraints, e.g. at image or region borders
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- 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
-
- 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
- H04N19/70—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by syntax aspects related to video coding, e.g. related to compression standards
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 (6)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US201962821440P | 2019-03-20 | 2019-03-20 | |
| US62/821,440 | 2019-03-20 | ||
| US201962839765P | 2019-04-28 | 2019-04-28 | |
| US62/839,765 | 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 |
| CN202080023321.7A CN113615173A (zh) | 2019-03-20 | 2020-03-20 | 对仿射译码块进行光流预测修正的方法及装置 |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202080023321.7A Division CN113615173A (zh) | 2019-03-20 | 2020-03-20 | 对仿射译码块进行光流预测修正的方法及装置 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN118945317A CN118945317A (zh) | 2024-11-12 |
| CN118945317B true CN118945317B (zh) | 2025-08-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202410918815.1A Active CN118945317B (zh) | 2019-03-20 | 2020-03-20 | 对仿射译码块进行光流预测修正的方法及装置 |
| CN202080023321.7A Pending CN113615173A (zh) | 2019-03-20 | 2020-03-20 | 对仿射译码块进行光流预测修正的方法及装置 |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202080023321.7A Pending CN113615173A (zh) | 2019-03-20 | 2020-03-20 | 对仿射译码块进行光流预测修正的方法及装置 |
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| Country | Link |
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| 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
- 2023-11-24 JP JP2023199242A patent/JP7736764B2/ja active Active
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2024
- 2024-05-03 US US18/654,446 patent/US12273532B2/en active Active
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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
Non-Patent Citations (2)
| Title |
|---|
| CE2-related: Prediction refinement with optical flow for affine mode;Jiancong (Daniel) Luo等;JVET of ITU-T SG 16 WP 3 and ISO/IEC JTC 1/SC 29/WG 11;20190315;1-7 * |
| Non-CE9 : Mismatch between text specification and reference software on BDOF and DMVR;Naeri Park等;JVET of ITU-T SG 16 WP 3 and ISO/IEC JTC 1/SC 29/WG 11;20190313;1-4 * |
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 |
| ES2992659T3 (en) | 2024-12-16 |
| 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 |
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