CN108028929B - 用于视频译码的改进双向光流 - Google Patents

用于视频译码的改进双向光流 Download PDF

Info

Publication number
CN108028929B
CN108028929B CN201680055904.1A CN201680055904A CN108028929B CN 108028929 B CN108028929 B CN 108028929B CN 201680055904 A CN201680055904 A CN 201680055904A CN 108028929 B CN108028929 B CN 108028929B
Authority
CN
China
Prior art keywords
reference picture
picture
current block
current
bio
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.)
Active
Application number
CN201680055904.1A
Other languages
English (en)
Chinese (zh)
Other versions
CN108028929A (zh
Inventor
李翔
陈建乐
钱威俊
马尔塔·卡切维奇
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Qualcomm Inc
Original Assignee
Qualcomm Inc
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Qualcomm Inc filed Critical Qualcomm Inc
Publication of CN108028929A publication Critical patent/CN108028929A/zh
Application granted granted Critical
Publication of CN108028929B publication Critical patent/CN108028929B/zh
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • 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
    • H04N19/10—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
    • 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
    • H04N19/132—Sampling, masking or truncation of coding units, e.g. adaptive resampling, frame skipping, frame interpolation or high-frequency transform coefficient masking
    • 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
    • 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
    • H04N19/169—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
    • H04N19/182—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 a pixel
    • 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
    • H04N19/513—Processing of motion vectors
    • H04N19/517—Processing of motion vectors by encoding
    • H04N19/52—Processing of motion vectors by encoding by predictive encoding
    • 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
    • H04N19/573—Motion compensation with multiple frame prediction using two or more reference frames in a given prediction direction
    • 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)
CN201680055904.1A 2015-09-28 2016-09-28 用于视频译码的改进双向光流 Active CN108028929B (zh)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US201562233846P 2015-09-28 2015-09-28
US62/233,846 2015-09-28
US15/277,433 2016-09-27
US15/277,433 US10375413B2 (en) 2015-09-28 2016-09-27 Bi-directional optical flow for video coding
PCT/US2016/054158 WO2017058899A1 (en) 2015-09-28 2016-09-28 Improved bi-directional optical flow for video coding

Publications (2)

Publication Number Publication Date
CN108028929A CN108028929A (zh) 2018-05-11
CN108028929B true CN108028929B (zh) 2021-04-20

Family

ID=58406055

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201680055904.1A Active CN108028929B (zh) 2015-09-28 2016-09-28 用于视频译码的改进双向光流

Country Status (9)

Country Link
US (1) US10375413B2 (enExample)
EP (1) EP3357241B1 (enExample)
JP (1) JP6676156B2 (enExample)
KR (1) KR102136973B1 (enExample)
CN (1) CN108028929B (enExample)
BR (1) BR112018006266B1 (enExample)
CA (1) CA3000391A1 (enExample)
TW (1) TW201715891A (enExample)
WO (1) WO2017058899A1 (enExample)

Families Citing this family (95)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107925775A (zh) * 2015-09-02 2018-04-17 联发科技股份有限公司 基于双向预测光流技术的视频编解码的运动补偿方法及装置
US11109061B2 (en) * 2016-02-05 2021-08-31 Mediatek Inc. Method and apparatus of motion compensation based on bi-directional optical flow techniques for video coding
KR102715635B1 (ko) * 2016-03-28 2024-10-11 로즈데일 다이나믹스 엘엘씨 인터 예측 모드 기반 영상 처리 방법 및 이를 위한 장치
US10798385B2 (en) * 2016-04-25 2020-10-06 Lg Electronics Inc. Inter-prediction method and apparatus in image coding system
MX2019000506A (es) * 2016-07-14 2019-03-28 Samsung Electronics Co Ltd Metodo de decodificacion de video y dispositivo para ello y metodo de codificacion de video y dispositivo para ello.
US11272193B2 (en) * 2017-04-24 2022-03-08 Sk Telecom Co., Ltd. Method and apparatus for estimating optical flow for motion compensation
KR102409430B1 (ko) * 2017-04-24 2022-06-15 에스케이텔레콤 주식회사 움직임 보상을 위한 옵티컬 플로우 추정 방법 및 장치
KR20240037382A (ko) * 2017-04-27 2024-03-21 파나소닉 인텔렉츄얼 프로퍼티 코포레이션 오브 아메리카 부호화 장치, 복호 장치, 부호화 방법 및 복호 방법
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
CN110651472B (zh) 2017-05-17 2023-08-18 株式会社Kt 用于视频信号处理的方法和装置
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
KR102679175B1 (ko) * 2017-06-05 2024-06-27 파나소닉 인텔렉츄얼 프로퍼티 코포레이션 오브 아메리카 부호화 장치, 복호 장치, 부호화 방법 및 복호 방법
US10904565B2 (en) * 2017-06-23 2021-01-26 Qualcomm Incorporated Memory-bandwidth-efficient design for bi-directional optical flow (BIO)
CN117478885A (zh) * 2017-07-03 2024-01-30 Vid拓展公司 用于视频编解码的设备、方法
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
US11284107B2 (en) 2017-08-22 2022-03-22 Google Llc Co-located reference frame interpolation using optical flow estimation
US11917128B2 (en) 2017-08-22 2024-02-27 Google Llc Motion field estimation based on motion trajectory derivation
KR102295520B1 (ko) * 2017-08-22 2021-08-27 구글 엘엘씨 비디오 코딩에서 모션 보상 예측을 위한 광흐름 추정
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
US11297344B2 (en) * 2017-08-29 2022-04-05 SK Telecom., Ltd. Motion compensation method and device using bi-directional optical flow
KR102595689B1 (ko) 2017-09-29 2023-10-30 인텔렉추얼디스커버리 주식회사 영상 부호화/복호화 방법, 장치 및 비트스트림을 저장한 기록 매체
CN118158437A (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
CN118741150A (zh) * 2017-12-08 2024-10-01 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
KR102305966B1 (ko) * 2017-12-14 2021-09-28 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
EP3751855A4 (en) * 2018-02-06 2021-03-10 Panasonic Intellectual Property Corporation of America ENCODING DEVICE, DECODING DEVICE, ENCODING PROCESS AND DECODING PROCESS
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
EP3777159A1 (en) 2018-04-06 2021-02-17 VID SCALE, Inc. A bi-directional optical flow method with simplified gradient derivation
US10958928B2 (en) * 2018-04-10 2021-03-23 Qualcomm Incorporated Decoder-side motion vector derivation for video coding
US20190320196A1 (en) * 2018-04-12 2019-10-17 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
EP3804324A4 (en) * 2018-06-11 2022-08-03 HFI Innovation Inc. BIDIRECTIONAL OPTICAL FLOW METHOD AND APPARATUS FOR VIDEO CODING
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
WO2019244118A1 (en) 2018-06-21 2019-12-26 Beijing Bytedance Network Technology Co., Ltd. Component-dependent sub-block dividing
CN116095312A (zh) 2018-08-04 2023-05-09 北京字节跳动网络技术有限公司 视频处理方法、装置和计算机可读介质
BR112021002857A8 (pt) * 2018-08-17 2023-02-07 Mediatek Inc Métodos e aparelhos de processamento de vídeo com predição bidirecional em sistemas de codificação de vídeo
HUE067500T2 (hu) * 2018-09-13 2024-10-28 Huawei Tech Co Ltd Készülék és módszer feltételes dekóder-oldali mozgásvektor finomítására videókódolásban
US11665365B2 (en) 2018-09-14 2023-05-30 Google Llc Motion prediction coding with coframe motion vectors
CN117768651A (zh) 2018-09-24 2024-03-26 北京字节跳动网络技术有限公司 处理视频数据的方法、装置、介质、以及比特流存储方法
TW202533573A (zh) * 2018-09-26 2025-08-16 美商內數位Ｖｃ控股公司 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
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
WO2020084474A1 (en) * 2018-10-22 2020-04-30 Beijing Bytedance Network Technology Co., Ltd. Gradient computation in bi-directional optical flow
CN111131830B (zh) 2018-10-31 2024-04-12 北京字节跳动网络技术有限公司 重叠块运动补偿的改进
KR20230158645A (ko) * 2018-11-05 2023-11-20 베이징 바이트댄스 네트워크 테크놀로지 컴퍼니, 리미티드 리파인먼트를 이용한 인터 예측을 위한 보간
WO2020094150A1 (en) 2018-11-10 2020-05-14 Beijing Bytedance Network Technology Co., Ltd. Rounding in current picture referencing
WO2020098648A1 (en) 2018-11-12 2020-05-22 Beijing Bytedance Network Technology Co., Ltd. Using combined inter intra prediction in video processing
CN113170093B (zh) 2018-11-20 2023-05-02 北京字节跳动网络技术有限公司 视频处理中的细化帧间预测
KR20210091161A (ko) 2018-11-20 2021-07-21 베이징 바이트댄스 네트워크 테크놀로지 컴퍼니, 리미티드 부분적 위치에 기반한 차분 계산
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
IL284179B2 (en) * 2018-12-21 2024-06-01 Vid Scale Inc Symmetric motion vector difference coding
WO2020130710A1 (ko) * 2018-12-21 2020-06-25 한국전자통신연구원 영상 부호화/복호화 방법, 장치 및 비트스트림을 저장한 기록 매체
EP3906689A4 (en) * 2019-01-02 2022-11-23 Telefonaktiebolaget LM Ericsson (publ) LATERAL MOTION REFINEMENT IN VIDEO CODING/DECODING SYSTEMS
CN117221528B (zh) 2019-01-06 2024-05-14 北京达佳互联信息技术有限公司 视频编码方法、计算设备和介质
KR20220136506A (ko) 2019-01-09 2022-10-07 베이징 다지아 인터넷 인포메이션 테크놀로지 컴퍼니 리미티드 조합된 인터 및 인트라 예측을 위한 시스템 및 방법
CN113676733B (zh) * 2019-01-09 2023-02-24 北京达佳互联信息技术有限公司 视频解码方法、设备、非暂时性计算机可读存储介质
CN117560503A (zh) * 2019-01-13 2024-02-13 北京字节跳动网络技术有限公司 重叠块运动补偿和其他工具之间的协调
WO2020177755A1 (en) 2019-03-06 2020-09-10 Beijing Bytedance Network Technology Co., Ltd. Usage of converted uni-prediction candidate
BR112021016896A2 (pt) 2019-03-08 2021-11-03 Huawei Tech Co Ltd Codificador, decodificador e métodos correspondentes para predição inter
WO2020185427A1 (en) * 2019-03-11 2020-09-17 Alibaba Group Holding Limited Inter prediction methods for coding video data
SI3941060T1 (sl) 2019-03-12 2024-02-29 Lg Electronics Inc. Postopek naprava za zunanje napovedovanje na podlagi dmvr in 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
MX2021011197A (es) 2019-03-15 2021-10-22 Beijing Dajia Internet Information Tech Co Ltd Metodos y dispositivos para control de ancho de bit para flujo optico bidireccional.
CN115190317A (zh) 2019-04-02 2022-10-14 抖音视界有限公司 解码器侧运动矢量推导
US11039150B2 (en) * 2019-04-19 2021-06-15 Tencent America LLC Method and apparatus for video coding
JP7269371B2 (ja) 2019-04-25 2023-05-08 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 オプティカルフローを用いる予測改善のための方法および装置
KR20200127909A (ko) 2019-05-02 2020-11-11 주식회사 엑스리스 영상 신호 부호화/복호화 방법 및 이를 위한 장치
KR20250171425A (ko) 2019-05-15 2025-12-08 후아웨이 테크놀러지 컴퍼니 리미티드 비디오 코딩에서 참조 픽처 리샘플링을 위한 양방향 광 흐름(bio) 코딩 도구의 취급
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
CN112118455B (zh) * 2019-06-21 2022-05-31 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
KR20220044271A (ko) 2019-08-10 2022-04-07 베이징 바이트댄스 네트워크 테크놀로지 컴퍼니, 리미티드 비디오 비트스트림들에서의 서브픽처 의존적 시그널링
JP2022547988A (ja) * 2019-09-10 2022-11-16 エルジー エレクトロニクス インコーポレイティド Ｂｄｏｆを行う画像符号化／復号化方法、装置、及びビットストリームを伝送する方法
WO2021055643A1 (en) * 2019-09-17 2021-03-25 Beijing Dajia Internet Information Technology Co., Ltd. Methods and apparatus for prediction refinement with optical flow
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
CN114556945A (zh) 2019-09-23 2022-05-27 Vid拓展公司 用于双向光流的切换逻辑
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
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
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
FR3120173A1 (fr) * 2021-02-19 2022-08-26 Orange Détermination d’au moins un mode de codage d’image ou d’au moins un mode de décodage d’image, codage et décodage d’image utilisant une telle détermination
WO2022222989A1 (en) * 2021-04-21 2022-10-27 Beijing Bytedance Network Technology Co., Ltd. Method, device, and medium for video processing

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102934444A (zh) * 2010-04-06 2013-02-13 三星电子株式会社 用于对视频进行编码的方法和设备以及用于对视频进行解码的方法和设备
WO2014107074A1 (ko) * 2013-01-04 2014-07-10 삼성전자 주식회사 스케일러블 비디오의 부호화 및 복호화를 위한 움직임 보상 방법 및 장치

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100943912B1 (ko) * 2006-01-12 2010-03-03 엘지전자 주식회사 다시점 비디오의 처리 방법 및 장치
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
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
US11330284B2 (en) 2015-03-27 2022-05-10 Qualcomm Incorporated Deriving motion information for sub-blocks in video coding
CN107925775A (zh) * 2015-09-02 2018-04-17 联发科技股份有限公司 基于双向预测光流技术的视频编解码的运动补偿方法及装置

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102934444A (zh) * 2010-04-06 2013-02-13 三星电子株式会社 用于对视频进行编码的方法和设备以及用于对视频进行解码的方法和设备
WO2014107074A1 (ko) * 2013-01-04 2014-07-10 삼성전자 주식회사 스케일러블 비디오의 부호화 및 복호화를 위한 움직임 보상 방법 및 장치

Non-Patent Citations (4)

* Cited by examiner, † Cited by third party
Title
BI-DIRECTIONAL OPTICAL FLOWFOR IMPROVING MOTION COMPENSATION;A. Alshin等;《28th Picture Coding Symposium, PCS2010, December 8-10, 2010, Nagoya, Japan》;20101210;正文第422-425页 *
CE1: Samsung’s test for bi-directional optical flow;Elena Alshina;《Joint Collaborative Team on Video Coding (JCT-VC) of ITU-T SG16 WP3 and ISO/IEC JTC1/SC29/WG11 4th Meeting: Daegu, KR, 20-28 January, 2011，JCTVC-D329》;20110115;正文第1-4页 *
Elena Alshina;Bi-directional optical flow;《Joint Collaborative Team on Video Coding (JCT-VC) of ITU-T SG16 WP3 and ISO/IEC JTC1/SC29/WG11 3rd Meeting: Guangzhou, CN, 7-15 October, 2010，JCTVC-C204》;20101005;正文第1-5页 *
Known tools performance investigation for next generation video coding;E.Alshina等;《ITU - Telecommunications Standardization Sector STUDY GROUP 16 Question 6 Video Coding Experts Group (VCEG) 52nd Meeting: 19–26 June 2015, Warsaw, Poland，VCEG-AZ05》;20150601;正文第2.2节 *

Also Published As

Publication number Publication date
KR102136973B1 (ko) 2020-07-23
JP6676156B2 (ja) 2020-04-08
US10375413B2 (en) 2019-08-06
EP3357241A1 (en) 2018-08-08
WO2017058899A1 (en) 2017-04-06
EP3357241B1 (en) 2021-03-10
CA3000391A1 (en) 2017-04-06
CN108028929A (zh) 2018-05-11
KR20180061281A (ko) 2018-06-07
BR112018006266B1 (pt) 2023-12-12
JP2018536320A (ja) 2018-12-06
TW201715891A (zh) 2017-05-01
US20170094305A1 (en) 2017-03-30
BR112018006266A2 (pt) 2018-10-16

Similar Documents

Publication Publication Date Title
CN108028929B (zh) 用于视频译码的改进双向光流
KR102725370B1 (ko) 디코더 측 모션 벡터 도출에 의해 도출된 모션 벡터 정보의 제약
CN111164973B (zh) 译码用于视频译码的仿射预测运动信息
US10805630B2 (en) Gradient based matching for motion search and derivation
CN107409225B (zh) 视频译码中运动信息推导模式确定
CN110301135A (zh) 在视频解码器处导出运动向量信息
JP2018522466A (ja) ビデオコーディングのための照明補償ステータスを決定するシステムおよび方法
HK40023329A (en) Coding affine prediction motion information for video coding
HK40010589A (en) Constraining motion vector information derived by decoder-side motion vector derivation
HK1240441A1 (en) Motion information derivation mode determination in video coding
HK1240440A1 (en) Motion vector derivation in video coding

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant