JP7039698B2 - 画像符号化システムにおいてアフィンmvp候補リストを使用するアフィン動き予測に基づいた画像デコード方法及び装置 - Google Patents

画像符号化システムにおいてアフィンmvp候補リストを使用するアフィン動き予測に基づいた画像デコード方法及び装置 Download PDF

Info

Publication number
JP7039698B2
JP7039698B2 JP2020528181A JP2020528181A JP7039698B2 JP 7039698 B2 JP7039698 B2 JP 7039698B2 JP 2020528181 A JP2020528181 A JP 2020528181A JP 2020528181 A JP2020528181 A JP 2020528181A JP 7039698 B2 JP7039698 B2 JP 7039698B2
Authority
JP
Japan
Prior art keywords
block
motion vector
candidate
current block
affine mvp
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
JP2020528181A
Other languages
English (en)
Japanese (ja)
Other versions
JP2021505013A (ja
JP2021505013A5 (enExample
Inventor
チェホ イ
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.)
LG Electronics Inc
Original Assignee
LG Electronics 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 LG Electronics Inc filed Critical LG Electronics Inc
Publication of JP2021505013A publication Critical patent/JP2021505013A/ja
Publication of JP2021505013A5 publication Critical patent/JP2021505013A5/ja
Priority to JP2022035921A priority Critical patent/JP7436543B2/ja
Application granted granted Critical
Publication of JP7039698B2 publication Critical patent/JP7039698B2/ja
Priority to JP2024017946A priority patent/JP7592911B2/ja
Priority to JP2024202353A priority patent/JP7729969B2/ja
Priority to JP2025134967A priority patent/JP2025161863A/ja
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • 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
    • H04N19/527Global motion vector estimation
    • 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
    • H04N19/17Methods 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
    • H04N19/176Methods 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
    • 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
    • H04N19/103Selection of coding mode or of prediction mode
    • H04N19/105Selection 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
    • 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
    • H04N19/129Scanning of coding units, e.g. zig-zag scan of transform coefficients or flexible macroblock ordering [FMO]
    • 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
    • H04N19/137Motion inside a coding unit, e.g. average field, frame or block difference
    • 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
    • H04N19/50Methods 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
    • H04N19/537Motion estimation other than block-based
    • H04N19/54Motion estimation other than block-based using feature points or meshes

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
JP2020528181A 2018-09-10 2019-09-10 画像符号化システムにおいてアフィンmvp候補リストを使用するアフィン動き予測に基づいた画像デコード方法及び装置 Active JP7039698B2 (ja)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP2022035921A JP7436543B2 (ja) 2018-09-10 2022-03-09 画像符号化システムにおいてアフィンmvp候補リストを使用するアフィン動き予測に基づいた画像デコード方法及び装置
JP2024017946A JP7592911B2 (ja) 2018-09-10 2024-02-08 画像符号化システムにおいてアフィンmvp候補リストを使用するアフィン動き予測に基づいた画像デコード方法及び装置
JP2024202353A JP7729969B2 (ja) 2018-09-10 2024-11-20 画像符号化システムにおいてアフィンmvp候補リストを使用するアフィン動き予測に基づいた画像デコード方法及び装置
JP2025134967A JP2025161863A (ja) 2018-09-10 2025-08-14 画像符号化システムにおいてアフィンmvp候補リストを使用するアフィン動き予測に基づいた画像デコード方法及び装置

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US201862729407P 2018-09-10 2018-09-10
US62/729,407 2018-09-10
PCT/KR2019/011733 WO2020055107A1 (ko) 2018-09-10 2019-09-10 영상 코딩 시스템에서 어파인 mvp 후보 리스트를 사용하는 어파인 움직임 예측에 기반한 영상 디코딩 방법 및 장치

Related Child Applications (1)

Application Number Title Priority Date Filing Date
JP2022035921A Division JP7436543B2 (ja) 2018-09-10 2022-03-09 画像符号化システムにおいてアフィンmvp候補リストを使用するアフィン動き予測に基づいた画像デコード方法及び装置

Publications (3)

Publication Number Publication Date
JP2021505013A JP2021505013A (ja) 2021-02-15
JP2021505013A5 JP2021505013A5 (enExample) 2021-03-25
JP7039698B2 true JP7039698B2 (ja) 2022-03-22

Family

ID=69777162

Family Applications (5)

Application Number Title Priority Date Filing Date
JP2020528181A Active JP7039698B2 (ja) 2018-09-10 2019-09-10 画像符号化システムにおいてアフィンmvp候補リストを使用するアフィン動き予測に基づいた画像デコード方法及び装置
JP2022035921A Active JP7436543B2 (ja) 2018-09-10 2022-03-09 画像符号化システムにおいてアフィンmvp候補リストを使用するアフィン動き予測に基づいた画像デコード方法及び装置
JP2024017946A Active JP7592911B2 (ja) 2018-09-10 2024-02-08 画像符号化システムにおいてアフィンmvp候補リストを使用するアフィン動き予測に基づいた画像デコード方法及び装置
JP2024202353A Active JP7729969B2 (ja) 2018-09-10 2024-11-20 画像符号化システムにおいてアフィンmvp候補リストを使用するアフィン動き予測に基づいた画像デコード方法及び装置
JP2025134967A Pending JP2025161863A (ja) 2018-09-10 2025-08-14 画像符号化システムにおいてアフィンmvp候補リストを使用するアフィン動き予測に基づいた画像デコード方法及び装置

Family Applications After (4)

Application Number Title Priority Date Filing Date
JP2022035921A Active JP7436543B2 (ja) 2018-09-10 2022-03-09 画像符号化システムにおいてアフィンmvp候補リストを使用するアフィン動き予測に基づいた画像デコード方法及び装置
JP2024017946A Active JP7592911B2 (ja) 2018-09-10 2024-02-08 画像符号化システムにおいてアフィンmvp候補リストを使用するアフィン動き予測に基づいた画像デコード方法及び装置
JP2024202353A Active JP7729969B2 (ja) 2018-09-10 2024-11-20 画像符号化システムにおいてアフィンmvp候補リストを使用するアフィン動き予測に基づいた画像デコード方法及び装置
JP2025134967A Pending JP2025161863A (ja) 2018-09-10 2025-08-14 画像符号化システムにおいてアフィンmvp候補リストを使用するアフィン動き予測に基づいた画像デコード方法及び装置

Country Status (15)

Country Link
US (6) US10841576B2 (enExample)
EP (3) EP4485933A1 (enExample)
JP (5) JP7039698B2 (enExample)
KR (5) KR20250134702A (enExample)
CN (4) CN111448800B (enExample)
BR (4) BR122021009779A2 (enExample)
DK (1) DK3700216T3 (enExample)
ES (1) ES2926196T3 (enExample)
HU (1) HUE060426T2 (enExample)
MX (2) MX2021002881A (enExample)
PL (1) PL3700216T3 (enExample)
PT (1) PT3700216T (enExample)
RU (1) RU2768957C1 (enExample)
SI (1) SI3700216T1 (enExample)
WO (1) WO2020055107A1 (enExample)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102463478B1 (ko) * 2018-01-26 2022-11-04 에이치에프아이 이노베이션 인크. 비디오 코딩 시스템을 위한 아핀 인터 예측 방법 및 장치
CN110620923B (zh) 2018-06-19 2022-07-12 北京字节跳动网络技术有限公司 广义的运动矢量差分辨率
KR102576194B1 (ko) * 2018-06-27 2023-09-08 엘지전자 주식회사 인터 예측 모드 기반 영상 처리 방법 및 이를 위한 장치
KR102635047B1 (ko) 2018-09-19 2024-02-07 베이징 바이트댄스 네트워크 테크놀로지 컴퍼니, 리미티드 적응적 움직임 벡터 해상도를 가지는 어파인 모드에 대한 구문 재사용
EP4325849A3 (en) 2018-11-22 2024-04-17 Beijing Bytedance Network Technology Co., Ltd. Coordination method for sub-block based inter prediction
WO2020156516A1 (en) 2019-01-31 2020-08-06 Beijing Bytedance Network Technology Co., Ltd. Context for coding affine mode adaptive motion vector resolution
CN113366851B (zh) 2019-01-31 2025-10-21 北京字节跳动网络技术有限公司 对称运动矢量差编解码模式的快速算法
CN114208184B (zh) 2019-08-13 2025-01-07 北京字节跳动网络技术有限公司 基于子块的帧间预测中的运动精度
CN114424536A (zh) 2019-09-22 2022-04-29 北京字节跳动网络技术有限公司 基于变换单元的组合帧间帧内预测

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20180098063A1 (en) 2016-10-05 2018-04-05 Qualcomm Incorporated Motion vector prediction for affine motion models in video coding

Family Cites Families (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101452859B1 (ko) 2009-08-13 2014-10-23 삼성전자주식회사 움직임 벡터를 부호화 및 복호화하는 방법 및 장치
EP2876875A4 (en) 2012-07-18 2016-03-02 Sony Corp IMAGE PROCESSING DEVICE AND METHOD
US10728571B2 (en) * 2015-08-04 2020-07-28 Lg Electronics Inc. Inter prediction method and device in video coding system
CN114866768B (zh) * 2015-08-07 2025-05-06 Lg电子株式会社 视频编译系统中的帧间预测方法和装置
CN105163116B (zh) * 2015-08-29 2018-07-31 华为技术有限公司 图像预测的方法及设备
CN108965871B (zh) * 2015-09-29 2023-11-10 华为技术有限公司 图像预测的方法及装置
EP3357245A4 (en) * 2015-11-05 2019-03-13 MediaTek Inc. METHOD AND DEVICE OF INTERPRESSATION USING AN AVERAGE MOTION VECTOR FOR VIDEO CODING
US11082713B2 (en) 2015-11-20 2021-08-03 Mediatek Inc. Method and apparatus for global motion compensation in video coding system
CN108432250A (zh) * 2016-01-07 2018-08-21 联发科技股份有限公司 用于视频编解码的仿射帧间预测的方法及装置
WO2017147765A1 (en) 2016-03-01 2017-09-08 Mediatek Inc. Methods for affine motion compensation
WO2017156705A1 (en) * 2016-03-15 2017-09-21 Mediatek Inc. Affine prediction for video coding
US10560712B2 (en) * 2016-05-16 2020-02-11 Qualcomm Incorporated Affine motion prediction for video coding
CN117041568A (zh) * 2016-11-29 2023-11-10 韩国电子通信研究院 图像编码/解码方法和用于存储比特流的记录介质
US10681370B2 (en) * 2016-12-29 2020-06-09 Qualcomm Incorporated Motion vector generation for affine motion model for video coding
WO2018128379A1 (ko) * 2017-01-03 2018-07-12 엘지전자(주) 어파인 예측을 이용하여 비디오 신호를 처리하는 방법 및 장치
CN108271023B (zh) * 2017-01-04 2021-11-19 华为技术有限公司 图像预测方法和相关设备
US11877001B2 (en) * 2017-10-10 2024-01-16 Qualcomm Incorporated Affine prediction in video coding
US11889100B2 (en) 2017-11-14 2024-01-30 Qualcomm Incorporated Affine motion vector prediction in video coding
WO2020013569A1 (ko) * 2018-07-13 2020-01-16 엘지전자 주식회사 영상 코딩 시스템에서 어파인 움직임 예측에 기반한 영상 디코딩 방법 및 장치
PL4376409T3 (pl) * 2018-08-06 2025-07-28 Lg Electronics Inc. Sposób i urządzenie do dekodowania obrazu na podstawie predykcji ruchu afinicznego z wykorzystaniem skonstruowanego kandydata afinicznej predykcji mvp w systemie kodowania obrazu
CN111247805B (zh) * 2018-09-12 2023-12-01 Lg电子株式会社 在图像编码系统中基于以子块为单元进行的运动预测的图像解码方法和设备

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20180098063A1 (en) 2016-10-05 2018-04-05 Qualcomm Incorporated Motion vector prediction for affine motion models in video coding

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
Minhua Zhou and Brian Heng,Non-CE4: A study on the affine merge mode,Joint Video Experts Team (JVET) of ITU-T SG 16 WP 3 and ISO/IEC JTC 1/SC 29/WG 11,JVET-K0052-v2,2018年07月08日
Yu Han, et al.,CE4.1.3: Affine motion compensation prediction,Joint Video Exploration Team (JVET) of ITU-T SG 16 WP 3 and ISO/IEC JTC 1/SC 29/WG 11,JVET-K0337,2018年07月03日

Also Published As

Publication number Publication date
JP2021505013A (ja) 2021-02-15
JP7436543B2 (ja) 2024-02-21
US20210029350A1 (en) 2021-01-28
US20240305772A1 (en) 2024-09-12
PT3700216T (pt) 2022-09-01
BR112021004556A2 (pt) 2021-06-08
JP7592911B2 (ja) 2024-12-02
US20200275094A1 (en) 2020-08-27
KR20220083857A (ko) 2022-06-20
EP3700216A4 (en) 2021-02-03
JP2022082576A (ja) 2022-06-02
KR102408695B1 (ko) 2022-06-14
JP2025015793A (ja) 2025-01-30
JP7729969B2 (ja) 2025-08-26
US20230362351A1 (en) 2023-11-09
US11722659B2 (en) 2023-08-08
MX2021002881A (es) 2021-06-04
WO2020055107A1 (ko) 2020-03-19
CN116193141A (zh) 2023-05-30
CN111448800B (zh) 2023-03-17
BR122021009784A2 (pt) 2021-07-13
US10841576B2 (en) 2020-11-17
US11997260B2 (en) 2024-05-28
SI3700216T1 (sl) 2022-11-30
BR122021009779A2 (pt) 2021-07-13
EP3700216A1 (en) 2020-08-26
CN116156188A (zh) 2023-05-23
KR20230042387A (ko) 2023-03-28
EP4485933A1 (en) 2025-01-01
KR102510771B1 (ko) 2023-03-16
JP2024042110A (ja) 2024-03-27
HUE060426T2 (hu) 2023-02-28
EP4084476A1 (en) 2022-11-02
US20250294136A1 (en) 2025-09-18
PL3700216T3 (pl) 2022-12-19
BR122021009778A2 (pt) 2021-07-13
CN116156189A (zh) 2023-05-23
US20220182613A1 (en) 2022-06-09
EP3700216B1 (en) 2022-08-03
ES2926196T3 (es) 2022-10-24
JP2025161863A (ja) 2025-10-24
MX2024005369A (es) 2024-05-20
CN111448800A (zh) 2020-07-24
US12294697B2 (en) 2025-05-06
DK3700216T3 (da) 2022-09-12
RU2022106958A (ru) 2022-04-12
US11303887B2 (en) 2022-04-12
KR20250134702A (ko) 2025-09-11
KR102630797B1 (ko) 2024-01-29
KR20200060508A (ko) 2020-05-29
RU2768957C1 (ru) 2022-03-25
KR102852468B1 (ko) 2025-08-29
KR20240015170A (ko) 2024-02-02

Similar Documents

Publication Publication Date Title
KR102707017B1 (ko) 히스토리 기반 움직임 정보를 이용한 영상 코딩 방법 및 그 장치
JP7039698B2 (ja) 画像符号化システムにおいてアフィンmvp候補リストを使用するアフィン動き予測に基づいた画像デコード方法及び装置
EP3846467A1 (en) History-based image coding method, and apparatus thereof
JP2024019527A (ja) 画像コーディングシステムにおけるサブブロック単位の動き予測に基づく画像デコーディング方法及び装置
JP2022521913A (ja) Mpmリストに基づくイントラ予測方法及び装置
US20240357120A1 (en) Method and device for processing image information for image/video coding
JP2021503256A (ja) 映像コーディングシステムにおけるアフィン動き予測に基づいた映像デコード方法及び装置
KR20220003116A (ko) 머지 후보를 이용하여 예측 샘플을 도출하는 영상 디코딩 방법 및 그 장치
KR102836162B1 (ko) 쌍 예측을 적용하는 영상 디코딩 방법 및 그 장치
KR102697456B1 (ko) 쌍 예측(bi-prediction)을 위한 가중치 인덱스 정보를 도출하는 영상 디코딩 방법 및 그 장치
US20250097424A1 (en) Image/video coding method and device
KR102605674B1 (ko) 디블록킹 필터링을 사용하는 영상 코딩 방법 및 장치
KR102697458B1 (ko) 쌍 예측(bi-prediction)이 적용되는 경우 가중 평균을 위한 가중치 인덱스 정보를 도출하는 영상 디코딩 방법 및 그 장치
KR102813335B1 (ko) 영상/비디오 코딩을 위한 상위 레벨 신택스 시그널링 방법 및 장치
KR102825064B1 (ko) 머지 데이터에 대한 정보를 코딩하는 방법 및 장치

Legal Events

Date Code Title Description
A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20200521

A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20200521

A977 Report on retrieval

Free format text: JAPANESE INTERMEDIATE CODE: A971007

Effective date: 20210611

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20210629

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20210928

TRDD Decision of grant or rejection written
A01 Written decision to grant a patent or to grant a registration (utility model)

Free format text: JAPANESE INTERMEDIATE CODE: A01

Effective date: 20220208

A61 First payment of annual fees (during grant procedure)

Free format text: JAPANESE INTERMEDIATE CODE: A61

Effective date: 20220309

R150 Certificate of patent or registration of utility model

Ref document number: 7039698

Country of ref document: JP

Free format text: JAPANESE INTERMEDIATE CODE: R150

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250