JP7159166B2 - 双方向オプティカルフロー（ｂｉｏ）についての動きベクトル再構築 - Google Patents

双方向オプティカルフロー（ｂｉｏ）についての動きベクトル再構築 Download PDF

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JP7159166B2
JP7159166B2 JP2019536162A JP2019536162A JP7159166B2 JP 7159166 B2 JP7159166 B2 JP 7159166B2 JP 2019536162 A JP2019536162 A JP 2019536162A JP 2019536162 A JP2019536162 A JP 2019536162A JP 7159166 B2 JP7159166 B2 JP 7159166B2
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チェン、イ－ウェン
チュアン、シャオ－チャン
リ、シャン
ジャン、リ
チェン、ウェイ－ジュン
チェン、ジャンレ
カルチェビチ、マルタ
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Qualcomm Inc
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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
    • H04N19/102—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
    • 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
    • H04N19/134—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
    • H04N19/157—Assigned coding mode, i.e. the coding mode being predefined or preselected to be further used for selection of another element or parameter
    • H04N19/159—Prediction type, e.g. intra-frame, inter-frame or bidirectional frame prediction
    • 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
    • H04N19/17—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
    • 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
    • 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
    • H04N19/537—Motion estimation other than block-based
    • 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
    • H04N5/00—Details of television systems
    • H04N5/14—Picture signal circuitry for video frequency region
    • H04N5/144—Movement detection
    • H04N5/145—Movement estimation

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JP2019536162A 2017-01-04 2018-01-04 双方向オプティカルフロー（ｂｉｏ）についての動きベクトル再構築 Active JP7159166B2 (ja)

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Application Number Priority Date Filing Date Title
US201762442357P 2017-01-04 2017-01-04
US62/442,357 2017-01-04
US201762445152P 2017-01-11 2017-01-11
US62/445,152 2017-01-11
US15/861,515 2018-01-03
US15/861,515 US10931969B2 (en) 2017-01-04 2018-01-03 Motion vector reconstructions for bi-directional optical flow (BIO)
PCT/US2018/012360 WO2018129172A1 (en) 2017-01-04 2018-01-04 Motion vector reconstructions for bi-directional optical flow (bio)

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KR (1) KR102579523B1 (https=)
CN (1) CN110036638B (https=)
AU (1) AU2018205783B2 (https=)
BR (1) BR112019013684A2 (https=)
CL (1) CL2019001393A1 (https=)
CO (1) CO2019007120A2 (https=)
TW (1) TWI761415B (https=)
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Families Citing this family (73)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3435673A4 (en) * 2016-03-24 2019-12-25 Intellectual Discovery Co., Ltd. METHOD AND DEVICE FOR CODING / DECODING A VIDEO SIGNAL
WO2018012933A1 (ko) * 2016-07-14 2018-01-18 삼성전자 주식회사 비디오 복호화 방법 및 그 장치 및 비디오 부호화 방법 및 그 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
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
KR20240095362A (ko) * 2017-06-26 2024-06-25 파나소닉 인텔렉츄얼 프로퍼티 코포레이션 오브 아메리카 부호화 장치, 복호 장치, 부호화 방법 및 복호 방법
KR102595689B1 (ko) * 2017-09-29 2023-10-30 인텔렉추얼디스커버리 주식회사 영상 부호화/복호화 방법, 장치 및 비트스트림을 저장한 기록 매체
KR102638336B1 (ko) * 2017-12-14 2024-02-19 엘지전자 주식회사 영상 코딩 시스템에서 인터 예측에 따른 영상 디코딩 방법 및 장치
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
US11109053B2 (en) * 2018-03-05 2021-08-31 Panasonic Intellectual Property Corporation Of America Encoding method, decoding method, encoder, and decoder
JP7337072B2 (ja) * 2018-03-30 2023-09-01 ヴィド スケール インコーポレイテッド エンコーディングおよびデコーディングのレイテンシ低減に基づく、テンプレートによるインター予測技術
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
WO2019204234A1 (en) * 2018-04-15 2019-10-24 Arris Enterprises Llc Unequal weight planar motion vector derivation
CN112042189B (zh) * 2018-04-30 2023-07-21 寰发股份有限公司 照度补偿方法及相应的电子装置
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
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
EP3788782A1 (en) 2018-06-21 2021-03-10 Beijing Bytedance Network Technology Co. Ltd. Sub-block mv inheritance between color components
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
US11245922B2 (en) 2018-08-17 2022-02-08 Mediatek Inc. Shared candidate list
CN112585972B (zh) * 2018-08-17 2024-02-09 寰发股份有限公司 视频编解码的帧间预测方法及装置
US11665365B2 (en) 2018-09-14 2023-05-30 Google Llc Motion prediction coding with coframe motion vectors
WO2020061082A1 (en) 2018-09-21 2020-03-26 Vid Scale, Inc. Complexity reduction and bit-width control for bi-directional optical flow
US11146800B2 (en) * 2018-09-24 2021-10-12 Tencent America LLC Low latency local illumination compensation
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
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
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
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
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
WO2020084553A1 (en) 2018-10-24 2020-04-30 Beijing Bytedance Network Technology Co., Ltd. Motion candidate derivation based on multiple information in sub-block motion vector prediction
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
WO2020103852A1 (en) 2018-11-20 2020-05-28 Beijing Bytedance Network Technology Co., Ltd. Difference calculation based on patial position
WO2020103877A1 (en) * 2018-11-20 2020-05-28 Beijing Bytedance Network Technology Co., Ltd. Coding and decoding of video coding modes
EP3857896A4 (en) 2018-11-22 2021-12-01 Beijing Bytedance Network Technology Co. Ltd. COORDINATION PROCESS FOR INTER-PREDICTION BASED ON SUB-BLOCKS
KR102572355B1 (ko) 2018-11-30 2023-08-30 텐센트 아메리카 엘엘씨 비디오 코딩을 위한 방법 및 장치
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
EP4576783A3 (en) * 2018-12-21 2025-08-13 InterDigital VC Holdings, Inc. Symmetric motion vector difference coding
WO2020125804A1 (en) * 2018-12-21 2020-06-25 Beijing Bytedance Network Technology Co., Ltd. Inter prediction using polynomial model
KR102635518B1 (ko) 2019-03-06 2024-02-07 베이징 바이트댄스 네트워크 테크놀로지 컴퍼니, 리미티드 변환된 단예측 후보의 사용
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
PL4274229T3 (pl) * 2019-03-12 2025-04-07 Lg Electronics Inc. Sposób i urządzenie do predykcji międzyramkowej oparte na dmvr i bdof
CN113632493B (zh) 2019-03-13 2024-07-12 北京字节跳动网络技术有限公司 变换跳过模式中的子块变换
TWI738248B (zh) 2019-03-14 2021-09-01 聯發科技股份有限公司 運動細化以及子分區基礎填充的視訊處理的方法以及裝置
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
JP7669278B2 (ja) 2019-03-17 2025-04-28 北京字節跳動網絡技術有限公司 オプティカルフローベースの予測精緻化の計算
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
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
KR20220006055A (ko) * 2019-05-11 2022-01-14 베이징 바이트댄스 네트워크 테크놀로지 컴퍼니, 리미티드 다중 인트라 코딩 방법 사이의 상호 작용
WO2020233660A1 (en) 2019-05-21 2020-11-26 Beijing Bytedance Network Technology Co., Ltd. Syntax-based motion candidate derivation in sub-block merge mode
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
US11272203B2 (en) * 2019-07-23 2022-03-08 Tencent America LLC Method and apparatus for video coding
EP3997869A4 (en) 2019-08-10 2022-10-26 Beijing Bytedance Network Technology Co., Ltd. Subpicture dependent signaling in video bitstreams
KR102808776B1 (ko) 2019-08-13 2025-05-15 두인 비전 컴퍼니 리미티드 서브 블록 기반 인터 예측의 모션 정밀도
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
WO2021052507A1 (en) 2019-09-22 2021-03-25 Beijing Bytedance Network Technology Co., Ltd. Sub-picture coding and decoding of video
WO2021056217A1 (zh) * 2019-09-24 2021-04-01 北京大学 视频处理方法和装置
WO2020256601A2 (en) * 2019-10-03 2020-12-24 Huawei Technologies Co., Ltd. Method and apparatus of picture-level signaling for bidirectional optical flow and decoder side motion vector refinement
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
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
EP4231642A1 (en) * 2019-12-30 2023-08-23 Guangdong Oppo Mobile Telecommunications Corp., Ltd. Inter-frame prediction method, encoder, decoder and storage medium
CN114846789B (zh) * 2020-02-28 2023-06-27 华为技术有限公司 用于指示条带的图像分割信息的解码器及对应方法
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
US20210337192A1 (en) * 2020-04-24 2021-10-28 Realtek Semiconductor Corp. Image processing method and associated encoder
EP4315860A4 (en) * 2021-03-29 2025-02-19 Beijing Dajia Internet Information Technology Co., Ltd. Overlapped block motion compensation for inter prediction
EP4512074A4 (en) * 2022-04-19 2026-04-08 Beijing Dajia Internet Information Tech Co Ltd METHODS AND DEVICES FOR IMPROVED LOCAL LIGHTING COMPENSATION
WO2024206162A1 (en) * 2023-03-24 2024-10-03 Bytedance Inc. Method, apparatus, and medium for video processing

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100576914C (zh) * 2002-01-17 2009-12-30 Nxp股份有限公司 用于估计当前运动矢量的单元和方法
JP2007179354A (ja) * 2005-12-28 2007-07-12 Fujitsu Ltd オプティカルフロー算出装置、オプティカルフロー算出方法、オプティカルフロー算出プログラムおよび記録媒体
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
JP5686019B2 (ja) * 2010-05-21 2015-03-18 株式会社Ｊｖｃケンウッド 画像復号装置、画像復号方法および画像復号プログラム
CN103039075B (zh) * 2010-05-21 2015-11-25 Jvc建伍株式会社 图像编码装置、图像编码方法、以及图像解码装置、图像解码方法
CN103327327B (zh) * 2013-06-03 2016-03-30 电子科技大学 用于高性能视频编码hevc的帧间预测编码单元选择方法
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
CN105261038B (zh) * 2015-09-30 2018-02-27 华南理工大学 基于双向光流和感知哈希的指尖跟踪方法
US11363253B2 (en) * 2016-05-13 2022-06-14 Vid Scale, Inc. Systems and methods for generalized multi-hypothesis prediction for video coding
WO2017205704A1 (en) * 2016-05-25 2017-11-30 Arris Enterprises Llc General block partitioning method
CN114173117B (zh) * 2016-12-27 2023-10-20 松下电器（美国）知识产权公司 编码方法、解码方法及发送方法

Non-Patent Citations (3)

* Cited by examiner, † Cited by third party
Title
ALSHIN, A. and ALSHINA, E.，EE3: bi-directional optical flow w/o block extension，Joint Video Exploration Team (JVET) of ITU-T SG 16 WP 3 and ISO/IEC JTC 1/SC 29/WG 11 4th Meeting: Chengdu, CN, 15-21 October 2016, [JVET-E0028]，JVET-E0028 (version 1)，ITU-T，2017年01月03日，＜URL:http://phenix.it-sudparis.eu/jvet/doc_end_user/documents/5_Geneva/wg11/JVET-E0028-v1.zip＞: JVET-E0028.docx: pp. 1-4
CHEN, Jianle et al.，Algorithm Description of Joint Exploration Test Model 4，Joint Video Exploration Team (JVET) of ITU-T SG 16 WP 3 and ISO/IEC JTC 1/SC 29/WG 11 4th Meeting: Chengdu, CN, 15-21 October 2016, [JVET-D1001_v1]，JVET-D1001 (version 1) ，ITU-T，2016年10月28日，＜URL:http://phenix.it-sudparis.eu/jvet/doc_end_user/documents/4_Chengdu/wg11/JVET-D1001-v1.zip＞: JVET-D1001_V1.docx: pp. 19-22
CHUANG, Hsiao-Chiang et al.，A block-based design for Bi-directional optical flow (BIO)，Joint Video Exploration Team (JVET) of ITU-T SG 16 WP 3 and ISO/IEC JTC 1/SC 29/WG 11 6th Meeting: Hobart, AU, 31 March - 7 April 2017, [JVET-F0022]，JVET-F0022 (version 1)，ITU-T，2017年03月15日，＜URL:http://phenix.it-sudparis.eu/jvet/doc_end_user/documents/6_Hobart/wg11/JVET-F0022-v1.zip＞: JVET-F0022.doc: pp. 1-3

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