TW201715891A - 用於視訊寫碼之改良雙向光流 - Google Patents

用於視訊寫碼之改良雙向光流 Download PDF

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TW201715891A
TW201715891A TW105131398A TW105131398A TW201715891A TW 201715891 A TW201715891 A TW 201715891A TW 105131398 A TW105131398 A TW 105131398A TW 105131398 A TW105131398 A TW 105131398A TW 201715891 A TW201715891 A TW 201715891A
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李想
陳建樂
錢威俊
馬塔 卡茲維克茲
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高通公司
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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/50Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
    • H04N19/503Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal prediction
    • H04N19/51Motion estimation or motion compensation
    • H04N19/513Processing of motion vectors
    • H04N19/517Processing of motion vectors by encoding
    • H04N19/52Processing of motion vectors by encoding by predictive encoding
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/102Methods 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
    • H04N19/132Sampling, masking or truncation of coding units, e.g. adaptive resampling, frame skipping, frame interpolation or high-frequency transform coefficient masking
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/134Methods 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
    • H04N19/136Incoming video signal characteristics or properties
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/134Methods 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
    • H04N19/136Incoming video signal characteristics or properties
    • H04N19/137Motion inside a coding unit, e.g. average field, frame or block difference
    • H04N19/139Analysis of motion vectors, e.g. their magnitude, direction, variance or reliability
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/169Methods 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
    • H04N19/182Methods 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 a pixel
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/50Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
    • H04N19/503Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal prediction
    • H04N19/51Motion estimation or motion compensation
    • H04N19/573Motion compensation with multiple frame prediction using two or more reference frames in a given prediction direction
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/50Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
    • H04N19/503Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal prediction
    • H04N19/51Motion estimation or motion compensation
    • H04N19/577Motion compensation with bidirectional frame interpolation, i.e. using B-pictures
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/70Methods 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

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
TW105131398A 2015-09-28 2016-09-29 用於視訊寫碼之改良雙向光流 TW201715891A (zh)

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US201562233846P 2015-09-28 2015-09-28
US15/277,433 US10375413B2 (en) 2015-09-28 2016-09-27 Bi-directional optical flow for video coding

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EP (1) EP3357241B1 (https=)
JP (1) JP6676156B2 (https=)
KR (1) KR102136973B1 (https=)
CN (1) CN108028929B (https=)
BR (1) BR112018006266B1 (https=)
CA (1) CA3000391A1 (https=)
TW (1) TW201715891A (https=)
WO (1) WO2017058899A1 (https=)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110832858A (zh) * 2017-07-03 2020-02-21 Vid拓展公司 基于双向光流的运动补偿预测
US20240236296A9 (en) * 2021-02-19 2024-07-11 Orange Method for determining an image coding mode

Families Citing this family (98)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
MY201069A (en) * 2016-02-05 2024-02-01 Hfi Innovation Inc Method and apparatus of motion compensation based on bi-directional optical flow techniques for video coding
US11095898B2 (en) * 2016-03-28 2021-08-17 Lg Electronics Inc. Inter-prediction mode based image processing method, and apparatus therefor
KR102873107B1 (ko) * 2016-04-25 2025-10-17 엘지전자 주식회사 영상 코딩 시스템에서 인터 예측 방법 및 장치
WO2018012933A1 (ko) * 2016-07-14 2018-01-18 삼성전자 주식회사 비디오 복호화 방법 및 그 장치 및 비디오 부호화 방법 및 그 장치
KR102409430B1 (ko) * 2017-04-24 2022-06-15 에스케이텔레콤 주식회사 움직임 보상을 위한 옵티컬 플로우 추정 방법 및 장치
US11272193B2 (en) * 2017-04-24 2022-03-08 Sk Telecom Co., Ltd. Method and apparatus for estimating optical flow for motion compensation
PL3618444T3 (pl) * 2017-04-27 2025-03-10 Panasonic Intellectual Property Corporation Of America Koder, dekoder, sposób kodowania oraz sposób dekodowania
JP2018191136A (ja) * 2017-05-02 2018-11-29 キヤノン株式会社 符号化装置、符号化方法およびプログラム
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
WO2018212111A1 (ja) * 2017-05-19 2018-11-22 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
EP3410717A1 (en) * 2017-05-31 2018-12-05 Thomson Licensing Methods and apparatus for candidate list pruning
WO2018221631A1 (ja) * 2017-06-02 2018-12-06 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、符号化方法および復号方法
CN117041563A (zh) * 2017-06-05 2023-11-10 松下电器(美国)知识产权公司 解码装置、编码装置、存储介质、解码方法和编码方法
US10904565B2 (en) * 2017-06-23 2021-01-26 Qualcomm Incorporated Memory-bandwidth-efficient design for bi-directional optical flow (BIO)
WO2019009567A1 (ko) * 2017-07-03 2019-01-10 엘지전자 주식회사 영상 코딩 시스템에서 인터 예측에 따른 영상 디코딩 방법 및 장치
US10757442B2 (en) * 2017-07-05 2020-08-25 Qualcomm Incorporated Partial reconstruction based template matching for motion vector derivation
US11917128B2 (en) 2017-08-22 2024-02-27 Google Llc Motion field estimation based on motion trajectory derivation
US11284107B2 (en) 2017-08-22 2022-03-22 Google Llc Co-located reference frame interpolation using optical flow estimation
CN110741640B (zh) * 2017-08-22 2024-03-29 谷歌有限责任公司 用于视频代码化中的运动补偿预测的光流估计
US10659788B2 (en) * 2017-11-20 2020-05-19 Google Llc Block-based optical flow estimation for motion compensated prediction in video coding
KR102580910B1 (ko) * 2017-08-29 2023-09-20 에스케이텔레콤 주식회사 양방향 옵티컬 플로우를 이용한 움직임 보상 방법 및 장치
CN116744019A (zh) * 2017-08-29 2023-09-12 Sk电信有限公司 视频编码方法、视频解码方法和传输比特流的方法
KR102595689B1 (ko) * 2017-09-29 2023-10-30 인텔렉추얼디스커버리 주식회사 영상 부호화/복호화 방법, 장치 및 비트스트림을 저장한 기록 매체
CN118158435A (zh) * 2017-09-29 2024-06-07 英迪股份有限公司 对图像进行解码的方法、对图像进行编码的方法以及用于发送通过对图像进行编码的方法生成的比特流的方法
CN118869984A (zh) * 2017-12-08 2024-10-29 松下电器(美国)知识产权公司 图像编码设备、图像解码设备、图像编码方法以及图像解码方法
KR102638336B1 (ko) 2017-12-14 2024-02-19 엘지전자 주식회사 영상 코딩 시스템에서 인터 예측에 따른 영상 디코딩 방법 및 장치
CN108040217B (zh) * 2017-12-20 2020-01-24 深圳岚锋创视网络科技有限公司 一种视频解码的方法、装置及相机
EP3518543A1 (en) 2018-01-26 2019-07-31 Thomson Licensing Illumination compensation flag in frame rate up-conversion with template matching
JP7339890B2 (ja) * 2018-02-06 2023-09-06 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 符号化装置及び復号装置
CN110324623B (zh) * 2018-03-30 2021-09-07 华为技术有限公司 一种双向帧间预测方法及装置
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
US10958928B2 (en) * 2018-04-10 2021-03-23 Qualcomm Incorporated Decoder-side motion vector derivation for video coding
US11457233B2 (en) * 2018-04-12 2022-09-27 Arris Enterprises Llc Motion information storage for video coding and signaling
EP3554080A1 (en) 2018-04-13 2019-10-16 InterDigital VC Holdings, Inc. Methods and devices for picture encoding and decoding
WO2019204234A1 (en) * 2018-04-15 2019-10-24 Arris Enterprises Llc Unequal weight planar motion vector derivation
CN110392282B (zh) * 2018-04-18 2022-01-07 阿里巴巴(中国)有限公司 一种视频插帧的方法、计算机存储介质及服务器
WO2019234598A1 (en) * 2018-06-05 2019-12-12 Beijing Bytedance Network Technology Co., Ltd. Interaction between ibc and stmvp
KR102596104B1 (ko) * 2018-06-11 2023-10-30 에이치에프아이 이노베이션 인크. 비디오 코딩을 위한 양방향 광학 흐름의 방법 및 장치
EP3788782A1 (en) 2018-06-21 2021-03-10 Beijing Bytedance Network Technology Co. Ltd. Sub-block mv inheritance between color components
CN110636298B (zh) 2018-06-21 2022-09-13 北京字节跳动网络技术有限公司 对于Merge仿射模式和非Merge仿射模式的统一约束
GB2590228B (en) 2018-08-04 2023-04-05 Beijing Bytedance Network Tech Co Ltd Clipping of updated MV or derived MV
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
TWI846727B (zh) * 2018-09-06 2024-07-01 大陸商北京字節跳動網絡技術有限公司 兩步幀間預測
ES2984932T3 (es) 2018-09-13 2024-10-31 Huawei Tech Co Ltd Aparato y método para refinamiento condicional de vector de movimiento del lado del decodificador en codificación de vídeo
US11665365B2 (en) 2018-09-14 2023-05-30 Google Llc Motion prediction coding with coframe motion vectors
WO2020065517A1 (en) 2018-09-24 2020-04-02 Beijing Bytedance Network Technology Co., Ltd. Simplified history based motion vector prediction
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
CN111083489B (zh) * 2018-10-22 2024-05-14 北京字节跳动网络技术有限公司 多次迭代运动矢量细化
CN111083484B (zh) 2018-10-22 2024-06-28 北京字节跳动网络技术有限公司 基于子块的预测
CN111131822B (zh) 2018-10-31 2023-08-01 北京字节跳动网络技术有限公司 具有从邻域导出的运动信息的重叠块运动补偿
EP4300965A3 (en) * 2018-11-05 2024-01-17 Beijing Bytedance Network Technology Co., Ltd. Interpolation for inter prediction with refinement
CN112997495B (zh) 2018-11-10 2024-02-20 北京字节跳动网络技术有限公司 当前图片参考中的取整
CN111436227B (zh) 2018-11-12 2024-03-29 北京字节跳动网络技术有限公司 在视频处理中使用组合帧间-帧内预测
WO2020103877A1 (en) * 2018-11-20 2020-05-28 Beijing Bytedance Network Technology Co., Ltd. Coding and decoding of video coding modes
WO2020103852A1 (en) 2018-11-20 2020-05-28 Beijing Bytedance Network Technology Co., Ltd. Difference calculation based on patial position
JP7616994B2 (ja) * 2018-11-21 2025-01-17 インターデイジタル ヴィーシー ホールディングス インコーポレイテッド ピクチャエンコードおよびデコードのための方法およびデバイス
US11394989B2 (en) 2018-12-10 2022-07-19 Tencent America LLC Method and apparatus for video coding
CN115834904A (zh) 2018-12-13 2023-03-21 华为技术有限公司 一种帧间预测的方法及装置
WO2020119525A1 (zh) * 2018-12-13 2020-06-18 华为技术有限公司 一种帧间预测的方法及装置
EP4576783A3 (en) * 2018-12-21 2025-08-13 InterDigital VC Holdings, Inc. Symmetric motion vector difference coding
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
KR20210094664A (ko) 2019-01-02 2021-07-29 텔레폰악티에볼라겟엘엠에릭슨(펍) 비디오 인코딩/디코딩 시스템의 사이드 모션 정교화
WO2020142762A1 (en) 2019-01-06 2020-07-09 Beijing Dajia Internet Information Technology Co., Ltd. Bit-width control for bi-directional optical flow
KR102489605B1 (ko) * 2019-01-09 2023-01-17 베이징 다지아 인터넷 인포메이션 테크놀로지 컴퍼니 리미티드 조합된 인터 및 인트라 예측을 위한 시스템 및 방법
CN113542748B (zh) * 2019-01-09 2023-07-11 北京达佳互联信息技术有限公司 视频编解码方法、设备和非暂时性计算机可读存储介质
WO2020143838A1 (en) * 2019-01-13 2020-07-16 Beijing Bytedance Network Technology Co., Ltd. Harmonization between overlapped block motion compensation and other tools
WO2020177684A1 (en) * 2019-03-03 2020-09-10 Beijing Bytedance Network Technology Co., Ltd. Enabling dmvr based on the information in the picture header
KR102635518B1 (ko) 2019-03-06 2024-02-07 베이징 바이트댄스 네트워크 테크놀로지 컴퍼니, 리미티드 변환된 단예측 후보의 사용
KR20250004165A (ko) 2019-03-08 2025-01-07 후아웨이 테크놀러지 컴퍼니 리미티드 인터 예측을 위한 인코더, 디코더 및 대응하는 방법
CN113475076B (zh) * 2019-03-11 2024-03-12 阿里巴巴集团控股有限公司 用于对视频数据进行编码的帧间预测方法
PL4274229T3 (pl) 2019-03-12 2025-04-07 Lg Electronics Inc. Sposób i urządzenie do predykcji międzyramkowej oparte na dmvr i bdof
KR102501210B1 (ko) 2019-03-12 2023-02-17 베이징 다지아 인터넷 인포메이션 테크놀로지 컴퍼니 리미티드 결합된 인터 및 인트라-예측 모드의 제한되고 조정된 적용
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
JP7307192B2 (ja) 2019-04-02 2023-07-11 北京字節跳動網絡技術有限公司 デコーダ側の動きベクトルの導出
US11039150B2 (en) * 2019-04-19 2021-06-15 Tencent America LLC Method and apparatus 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
CN119967162A (zh) * 2019-05-02 2025-05-09 皇家飞利浦有限公司 图像信号编码/解码方法及其装置
CN118101931B (zh) 2019-05-15 2025-02-21 华为技术有限公司 视频译码中用于参考图像重采样的双向光流方法和设备
WO2020233660A1 (en) 2019-05-21 2020-11-26 Beijing Bytedance Network Technology Co., Ltd. Syntax-based motion candidate derivation in sub-block merge mode
US11089328B2 (en) * 2019-05-22 2021-08-10 Qualcomm Incorporated Bi-directional optical flow in video coding
CN111031318B (zh) * 2019-06-21 2020-12-29 杭州海康威视数字技术股份有限公司 一种编解码方法、装置及其设备
JP7692827B2 (ja) 2019-06-21 2025-06-16 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 符号化装置及び復号装置
EP3997869A4 (en) 2019-08-10 2022-10-26 Beijing Bytedance Network Technology Co., Ltd. Subpicture dependent signaling in video bitstreams
CN120302048A (zh) 2019-08-22 2025-07-11 Lg电子株式会社 图像解码方法、图像编码方法和比特流发送方法
SI4030760T1 (sl) * 2019-09-10 2025-04-30 Lg Electronics Inc. Metoda dekodiranja/kodiranja slike za izvajanje bdof in metoda za prenos bitnega toka
KR102502614B1 (ko) * 2019-09-17 2023-02-23 베이징 다지아 인터넷 인포메이션 테크놀로지 컴퍼니 리미티드 광학 흐름을 사용한 예측 미세조정을 위한 방법 및 장치
JP6960969B2 (ja) * 2019-09-20 2021-11-05 Kddi株式会社 画像復号装置、画像復号方法及びプログラム
US12200190B2 (en) 2019-09-23 2025-01-14 Interdigtal Vc Holdings, Inc. Switching logic for bi-directional optical flow
WO2021056438A1 (zh) * 2019-09-27 2021-04-01 深圳市大疆创新科技有限公司 点云数据处理方法及其装置、激光雷达、可移动平台
CN110572677B (zh) * 2019-09-27 2023-10-24 腾讯科技(深圳)有限公司 视频编解码方法和装置、存储介质及电子装置
CN114631321B (zh) 2019-10-18 2024-04-12 北京字节跳动网络技术有限公司 子图片与环路滤波之间的相互影响
CN112135146B (zh) 2019-11-14 2021-12-24 杭州海康威视数字技术股份有限公司 一种编解码方法、装置及其设备
CN115280774B (zh) 2019-12-02 2025-08-19 抖音视界有限公司 视觉媒体处理的方法、装置及非暂时性计算机可读存储介质
KR20220157950A (ko) 2020-03-23 2022-11-29 베이징 바이트댄스 네트워크 테크놀로지 컴퍼니, 리미티드 어파인 머지 및 어파인 모션 벡터 예측 모드에 대한 예측 리파인먼트
CN111970517B (zh) * 2020-07-29 2023-07-28 浙江大华技术股份有限公司 基于双向光流的帧间预测方法、编码方法及相关装置
US20240187633A1 (en) * 2021-04-21 2024-06-06 Beijing Bytedance Network Technology Co., Ltd. Method, device, and medium for video processing

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8115804B2 (en) * 2006-01-12 2012-02-14 Lg Electronics Inc. Processing multiview video
US8917769B2 (en) * 2009-07-03 2014-12-23 Intel Corporation Methods and systems to estimate motion based on reconstructed reference frames at a video decoder
US20130083851A1 (en) * 2010-04-06 2013-04-04 Samsung Electronics Co., Ltd. Method and apparatus for video encoding and method and apparatus for video decoding
US10841573B2 (en) 2011-02-08 2020-11-17 Sun Patent Trust Methods and apparatuses for encoding and decoding video using multiple reference pictures
US20130208795A1 (en) * 2012-02-09 2013-08-15 Google Inc. Encoding motion vectors for video compression
US20150350671A1 (en) * 2013-01-04 2015-12-03 Samsung Electronics Co., Ltd. Motion compensation method and device for encoding and decoding scalable video
US10200711B2 (en) 2015-03-27 2019-02-05 Qualcomm Incorporated Motion vector derivation in video coding
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

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110832858A (zh) * 2017-07-03 2020-02-21 Vid拓展公司 基于双向光流的运动补偿预测
CN110832858B (zh) * 2017-07-03 2023-10-13 Vid拓展公司 用于视频编解码的设备、方法
US12464161B2 (en) 2017-07-03 2025-11-04 Interdigital Vc Holdings, Inc. Motion-compensation prediction based on bi-directional optical flow
US20240236296A9 (en) * 2021-02-19 2024-07-11 Orange Method for determining an image coding mode

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