KR102580910B1 - 양방향 옵티컬 플로우를 이용한 움직임 보상 방법 및 장치 - Google Patents

양방향 옵티컬 플로우를 이용한 움직임 보상 방법 및 장치 Download PDF

Info

Publication number
KR102580910B1
KR102580910B1 KR1020170175587A KR20170175587A KR102580910B1 KR 102580910 B1 KR102580910 B1 KR 102580910B1 KR 1020170175587 A KR1020170175587 A KR 1020170175587A KR 20170175587 A KR20170175587 A KR 20170175587A KR 102580910 B1 KR102580910 B1 KR 102580910B1
Authority
KR
South Korea
Prior art keywords
reference picture
current block
motion vector
optical flow
block
Prior art date
Application number
KR1020170175587A
Other languages
English (en)
Korean (ko)
Other versions
KR20190024553A (ko
Inventor
임정연
김효성
김형덕
신재섭
이선영
손세훈
이경택
Original Assignee
에스케이텔레콤 주식회사
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 에스케이텔레콤 주식회사 filed Critical 에스케이텔레콤 주식회사
Priority to CN202310960176.0A priority Critical patent/CN116761001A/zh
Priority to CN201880056369.0A priority patent/CN111034200B/zh
Priority to CN202310961499.1A priority patent/CN116744018A/zh
Priority to CN202310964061.9A priority patent/CN116744019A/zh
Priority to CN202310960882.5A priority patent/CN116744017A/zh
Priority to PCT/KR2018/009940 priority patent/WO2019045427A1/ko
Priority to US16/642,164 priority patent/US11297344B2/en
Publication of KR20190024553A publication Critical patent/KR20190024553A/ko
Priority to KR1020210144407A priority patent/KR102571228B1/ko
Priority to KR1020210144442A priority patent/KR102571159B1/ko
Priority to US17/688,462 priority patent/US11800144B2/en
Priority to US17/688,374 priority patent/US11800143B2/en
Priority to US17/688,494 priority patent/US11800145B2/en
Priority to US17/688,334 priority patent/US11800142B2/en
Priority to KR1020230123255A priority patent/KR20230135036A/ko
Priority to KR1020230123260A priority patent/KR20230135037A/ko
Application granted granted Critical
Publication of KR102580910B1 publication Critical patent/KR102580910B1/ko

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
    • H04N19/513—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
    • H04N19/577—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
    • H04N19/102—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
    • 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
    • H04N19/136—Incoming video signal characteristics or properties
    • H04N19/14—Coding unit complexity, e.g. amount of activity or edge presence 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
    • H04N19/169—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
    • H04N19/10—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

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
KR1020170175587A 2017-08-29 2017-12-19 양방향 옵티컬 플로우를 이용한 움직임 보상 방법 및 장치 KR102580910B1 (ko)

Priority Applications (15)

Application Number Priority Date Filing Date Title
CN202310964061.9A CN116744019A (zh) 2017-08-29 2018-08-29 视频编码方法、视频解码方法和传输比特流的方法
CN201880056369.0A CN111034200B (zh) 2017-08-29 2018-08-29 使用双向光流的运动补偿方法和设备
CN202310961499.1A CN116744018A (zh) 2017-08-29 2018-08-29 视频编码方法、视频解码方法和传输比特流的方法
CN202310960882.5A CN116744017A (zh) 2017-08-29 2018-08-29 视频编码装置、视频解码装置和存储比特流的方法
PCT/KR2018/009940 WO2019045427A1 (ko) 2017-08-29 2018-08-29 양방향 옵티컬 플로우를 이용한 움직임 보상 방법 및 장치
US16/642,164 US11297344B2 (en) 2017-08-29 2018-08-29 Motion compensation method and device using bi-directional optical flow
CN202310960176.0A CN116761001A (zh) 2017-08-29 2018-08-29 视频编码装置、视频解码装置和存储比特流的方法
KR1020210144442A KR102571159B1 (ko) 2017-08-29 2021-10-27 양방향 옵티컬 플로우를 이용한 움직임 보상 방법 및 장치
KR1020210144407A KR102571228B1 (ko) 2017-08-29 2021-10-27 양방향 옵티컬 플로우를 이용한 움직임 보상 방법 및 장치
US17/688,462 US11800144B2 (en) 2017-08-29 2022-03-07 Motion compensation method and device using bidirectional optical flow
US17/688,374 US11800143B2 (en) 2017-08-29 2022-03-07 Motion compensation method and device using bidirectional optical flow
US17/688,494 US11800145B2 (en) 2017-08-29 2022-03-07 Motion compensation method and device using bidirectional optical flow
US17/688,334 US11800142B2 (en) 2017-08-29 2022-03-07 Motion compensation method and device using bidirectional optical flow
KR1020230123255A KR20230135036A (ko) 2017-08-29 2023-09-15 양방향 옵티컬 플로우를 이용한 움직임 보상 방법 및 장치
KR1020230123260A KR20230135037A (ko) 2017-08-29 2023-09-15 양방향 옵티컬 플로우를 이용한 움직임 보상 방법 및 장치

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR20170109632 2017-08-29
KR1020170109632 2017-08-29

Related Child Applications (4)

Application Number Title Priority Date Filing Date
KR1020210144407A Division KR102571228B1 (ko) 2017-08-29 2021-10-27 양방향 옵티컬 플로우를 이용한 움직임 보상 방법 및 장치
KR1020210144442A Division KR102571159B1 (ko) 2017-08-29 2021-10-27 양방향 옵티컬 플로우를 이용한 움직임 보상 방법 및 장치
KR1020230123260A Division KR20230135037A (ko) 2017-08-29 2023-09-15 양방향 옵티컬 플로우를 이용한 움직임 보상 방법 및 장치
KR1020230123255A Division KR20230135036A (ko) 2017-08-29 2023-09-15 양방향 옵티컬 플로우를 이용한 움직임 보상 방법 및 장치

Publications (2)

Publication Number Publication Date
KR20190024553A KR20190024553A (ko) 2019-03-08
KR102580910B1 true KR102580910B1 (ko) 2023-09-20

Family

ID=65800982

Family Applications (3)

Application Number Title Priority Date Filing Date
KR1020170175587A KR102580910B1 (ko) 2017-08-29 2017-12-19 양방향 옵티컬 플로우를 이용한 움직임 보상 방법 및 장치
KR1020210144407A KR102571228B1 (ko) 2017-08-29 2021-10-27 양방향 옵티컬 플로우를 이용한 움직임 보상 방법 및 장치
KR1020210144442A KR102571159B1 (ko) 2017-08-29 2021-10-27 양방향 옵티컬 플로우를 이용한 움직임 보상 방법 및 장치

Family Applications After (2)

Application Number Title Priority Date Filing Date
KR1020210144407A KR102571228B1 (ko) 2017-08-29 2021-10-27 양방향 옵티컬 플로우를 이용한 움직임 보상 방법 및 장치
KR1020210144442A KR102571159B1 (ko) 2017-08-29 2021-10-27 양방향 옵티컬 플로우를 이용한 움직임 보상 방법 및 장치

Country Status (2)

Country Link
KR (3) KR102580910B1 (zh)
CN (1) CN111034200B (zh)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20220025301A (ko) * 2019-01-06 2022-03-03 베이징 다지아 인터넷 인포메이션 테크놀로지 컴퍼니 리미티드 양방향 광학 흐름을 위한 비트 폭 제어
WO2020184964A1 (ko) * 2019-03-11 2020-09-17 엘지전자 주식회사 인터 예측을 위한 비디오 신호의 처리 방법 및 장치
WO2020220048A1 (en) * 2019-04-25 2020-10-29 Beijing Dajia Internet Information Technology Co., Ltd. Methods and apparatuses for prediction refinement with optical flow
CN112135141A (zh) * 2019-06-24 2020-12-25 华为技术有限公司 视频编码器、视频解码器及相应方法
CN114365485A (zh) * 2019-09-10 2022-04-15 Lg电子株式会社 用于执行bdof的图像编码/解码方法和装置及用于发送比特流的方法
CN114450943A (zh) * 2019-09-24 2022-05-06 Lg电子株式会社 用于基于子画面的图像编码/解码的方法和装置及发送比特流的方法
CN112804534B (zh) * 2019-11-14 2022-03-01 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
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
KR102462351B1 (ko) 2020-11-13 2022-11-02 단국대학교 산학협력단 옵티컬 플로우를 활용한 상호상관법의 탐색영역 결정방법
CN112702607B (zh) * 2020-12-25 2022-11-22 深圳大学 一种基于光流决策的智能视频压缩方法及装置
WO2023191599A1 (ko) * 2022-04-01 2023-10-05 주식회사 케이티 비디오 신호 부호화/복호화 방법, 그리고 비트스트림을 저장한 기록 매체

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20080002774A1 (en) * 2006-06-29 2008-01-03 Ryuya Hoshino Motion vector search method and motion vector search apparatus
US20170094305A1 (en) * 2015-09-28 2017-03-30 Qualcomm Incorporated Bi-directional optical flow for video coding

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102316317B (zh) * 2010-07-10 2013-04-24 华为技术有限公司 一种生成图像预测值的方法和装置
US9241160B2 (en) * 2010-07-21 2016-01-19 Dolby Laboratories Licensing Corporation Reference processing using advanced motion models for video coding
US9451277B2 (en) * 2012-02-08 2016-09-20 Qualcomm Incorporated Restriction of prediction units in B slices to uni-directional inter prediction
WO2014107074A1 (ko) * 2013-01-04 2014-07-10 삼성전자 주식회사 스케일러블 비디오의 부호화 및 복호화를 위한 움직임 보상 방법 및 장치
CN105025201B (zh) * 2015-07-29 2017-11-14 武汉大学 一种时空连续的视频背景修复方法
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
KR102454895B1 (ko) * 2015-12-14 2022-10-14 삼성전자주식회사 연속적인 생체 신호 모니터링 방법 및 시스템
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

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20080002774A1 (en) * 2006-06-29 2008-01-03 Ryuya Hoshino Motion vector search method and motion vector search apparatus
US20170094305A1 (en) * 2015-09-28 2017-03-30 Qualcomm Incorporated Bi-directional optical flow for video coding

Also Published As

Publication number Publication date
KR102571159B1 (ko) 2023-08-25
KR20210131978A (ko) 2021-11-03
KR20210131977A (ko) 2021-11-03
KR20190024553A (ko) 2019-03-08
KR102571228B1 (ko) 2023-08-25
CN111034200B (zh) 2023-08-18
CN111034200A (zh) 2020-04-17

Similar Documents

Publication Publication Date Title
KR20230135036A (ko) 양방향 옵티컬 플로우를 이용한 움직임 보상 방법 및 장치
KR102580910B1 (ko) 양방향 옵티컬 플로우를 이용한 움직임 보상 방법 및 장치
KR102409449B1 (ko) 움직임 보상을 위한 옵티컬 플로우 추정 방법 및 장치
KR102490118B1 (ko) 움직임 보상을 위한 옵티컬 플로우 추정 방법 및 장치
KR102662449B1 (ko) 디코더 측 정제 툴들의 크기 선택 적용
KR20160106024A (ko) 동영상 부호화 장치
KR20140057397A (ko) 인터 예측 부호화 방법
US12003736B2 (en) Method and apparatus for estimating optical flow for motion compensation

Legal Events

Date Code Title Description
A201 Request for examination
A107 Divisional application of patent
E902 Notification of reason for refusal
E701 Decision to grant or registration of patent right