JP7393326B2 - アフィン予測を用いてビデオ信号を処理する方法及び装置 - Google Patents

アフィン予測を用いてビデオ信号を処理する方法及び装置 Download PDF

Info

Publication number
JP7393326B2
JP7393326B2 JP2020505788A JP2020505788A JP7393326B2 JP 7393326 B2 JP7393326 B2 JP 7393326B2 JP 2020505788 A JP2020505788 A JP 2020505788A JP 2020505788 A JP2020505788 A JP 2020505788A JP 7393326 B2 JP7393326 B2 JP 7393326B2
Authority
JP
Japan
Prior art keywords
mode
affine
flag
current block
motion
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
JP2020505788A
Other languages
English (en)
Japanese (ja)
Other versions
JP2020529778A5 (https=
JP2020529778A (ja
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 JP2020529778A publication Critical patent/JP2020529778A/ja
Publication of JP2020529778A5 publication Critical patent/JP2020529778A5/ja
Priority to JP2023198969A priority Critical patent/JP7673160B2/ja
Application granted granted Critical
Publication of JP7393326B2 publication Critical patent/JP7393326B2/ja
Priority to JP2025069754A priority patent/JP2025100808A/ja
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
    • H04N19/10—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
    • H04N19/109—Selection of coding mode or of prediction mode among a plurality of temporal predictive coding modes
    • 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
    • H04N19/54—Motion estimation other than block-based using feature points or meshes
    • 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
    • H04N19/10—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
    • H04N19/102—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
    • H04N19/102—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
    • H04N19/124—Quantisation
    • 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
    • H04N19/13—Adaptive entropy coding, e.g. adaptive variable length coding [AVLC] or context adaptive binary arithmetic coding [CABAC]
    • 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
    • H04N19/174—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 slice, e.g. a line of blocks or a group of 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
    • H04N19/169—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
    • H04N19/44—Decoders specially adapted therefor, e.g. video decoders which are asymmetric with respect to the encoder
    • 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
    • H04N19/46—Embedding additional information in the video signal during the compression process
    • 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
    • H04N19/60—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding
    • 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
    • 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
    • H04N19/80—Details of filtering operations specially adapted for video compression, e.g. for pixel interpolation
    • H04N19/82—Details of filtering operations specially adapted for video compression, e.g. for pixel interpolation involving filtering within a prediction loop

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Color Television Systems (AREA)
JP2020505788A 2017-08-03 2018-08-03 アフィン予測を用いてビデオ信号を処理する方法及び装置 Active JP7393326B2 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2023198969A JP7673160B2 (ja) 2017-08-03 2023-11-24 アフィン予測を用いてビデオ信号を処理する方法及び装置
JP2025069754A JP2025100808A (ja) 2017-08-03 2025-04-21 アフィン予測を用いてビデオ信号を処理する方法及び装置

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US201762541083P 2017-08-03 2017-08-03
US62/541,083 2017-08-03
PCT/KR2018/008845 WO2019027286A1 (ko) 2017-08-03 2018-08-03 어파인 예측을 이용하여 비디오 신호를 처리하는 방법 및 장치

Related Child Applications (1)

Application Number Title Priority Date Filing Date
JP2023198969A Division JP7673160B2 (ja) 2017-08-03 2023-11-24 アフィン予測を用いてビデオ信号を処理する方法及び装置

Publications (3)

Publication Number Publication Date
JP2020529778A JP2020529778A (ja) 2020-10-08
JP2020529778A5 JP2020529778A5 (https=) 2021-09-09
JP7393326B2 true JP7393326B2 (ja) 2023-12-06

Family

ID=65232974

Family Applications (3)

Application Number Title Priority Date Filing Date
JP2020505788A Active JP7393326B2 (ja) 2017-08-03 2018-08-03 アフィン予測を用いてビデオ信号を処理する方法及び装置
JP2023198969A Active JP7673160B2 (ja) 2017-08-03 2023-11-24 アフィン予測を用いてビデオ信号を処理する方法及び装置
JP2025069754A Pending JP2025100808A (ja) 2017-08-03 2025-04-21 アフィン予測を用いてビデオ信号を処理する方法及び装置

Family Applications After (2)

Application Number Title Priority Date Filing Date
JP2023198969A Active JP7673160B2 (ja) 2017-08-03 2023-11-24 アフィン予測を用いてビデオ信号を処理する方法及び装置
JP2025069754A Pending JP2025100808A (ja) 2017-08-03 2025-04-21 アフィン予測を用いてビデオ信号を処理する方法及び装置

Country Status (6)

Country Link
US (5) US11089317B2 (https=)
EP (1) EP3661209A1 (https=)
JP (3) JP7393326B2 (https=)
KR (5) KR20240065329A (https=)
CN (3) CN111066324B (https=)
WO (1) WO2019027286A1 (https=)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2024015036A (ja) * 2017-08-03 2024-02-01 エルジー エレクトロニクス インコーポレイティド アフィン予測を用いてビデオ信号を処理する方法及び装置

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NZ769216A (en) 2018-03-25 2022-04-29 B1 Institute Image Technology Inc Image encoding/decoding method and device
WO2020181428A1 (zh) * 2019-03-08 2020-09-17 Oppo广东移动通信有限公司 预测方法、编码器、解码器及计算机存储介质
PH12021552704A1 (en) * 2019-04-25 2022-03-07 Op Solutions Llc Efficient coding of global motion vectors
KR102793883B1 (ko) * 2019-06-24 2025-04-11 엘지전자 주식회사 움직임 벡터를 이용한 영상 코딩 방법 및 장치
WO2020251416A2 (en) * 2019-09-30 2020-12-17 Huawei Technologies Co., Ltd. Affine motion model restrictions reducing number of fetched reference lines during processing of one block row with enhanced interpolation filter
CN114450958B (zh) 2019-09-30 2023-08-22 华为技术有限公司 用于减小增强插值滤波器的内存带宽的仿射运动模型限制
KR102779596B1 (ko) 2019-09-30 2025-03-10 후아웨이 테크놀러지 컴퍼니 리미티드 Dct 기반 보간 필터의 사용
WO2020242350A2 (en) * 2019-09-30 2020-12-03 Huawei Technologies Co., Ltd. Usage of dct based interpolation filter and enhanced bilinear interpolation filter in affine motion compensation
US11363247B2 (en) * 2020-02-14 2022-06-14 Valve Corporation Motion smoothing in a distributed system
CN112055202B (zh) * 2020-08-21 2021-11-16 浙江大华技术股份有限公司 一种帧间预测方法、视频编码方法及电子设备和存储介质
US20230119972A1 (en) * 2021-10-01 2023-04-20 Mediatek Inc. Methods and Apparatuses of High Throughput Video Encoder

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2016026454A (ja) 2010-10-08 2016-02-12 ジーイー ビデオ コンプレッション エルエルシー ブロック分割及びブロック統合をサポートする画像符号化
US9438910B1 (en) 2014-03-11 2016-09-06 Google Inc. Affine motion prediction in video coding
WO2017087751A1 (en) 2015-11-20 2017-05-26 Mediatek Inc. Method and apparatus for global motion compensation in video coding system
WO2017118409A1 (en) 2016-01-07 2017-07-13 Mediatek Inc. Method and apparatus for affine merge mode prediction for video coding system
WO2017130696A1 (ja) 2016-01-29 2017-08-03 シャープ株式会社 予測画像生成装置、動画像復号装置、および動画像符号化装置
US20180098063A1 (en) 2016-10-05 2018-04-05 Qualcomm Incorporated Motion vector prediction for affine motion models in video coding

Family Cites Families (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3681342B2 (ja) * 2000-05-24 2005-08-10 三星電子株式会社 映像コーディング方法
US20080279478A1 (en) * 2007-05-09 2008-11-13 Mikhail Tsoupko-Sitnikov Image processing method and image processing apparatus
KR101003105B1 (ko) * 2008-01-29 2010-12-21 한국전자통신연구원 어파인 변환 기반의 움직임 보상을 이용한 비디오 부호화 및 복호화 방법 및 장치
WO2011013253A1 (ja) * 2009-07-31 2011-02-03 株式会社 東芝 幾何変換動き補償予測を用いる予測信号生成装置、動画像符号化装置及び動画像復号化装置
BR112014011425B1 (pt) * 2011-11-11 2022-08-23 GE Video Compression, LLC. Codificação de multi-visualização eficiente utilizando estimativa e atualização de mapa por profundidade
US8964845B2 (en) * 2011-12-28 2015-02-24 Microsoft Corporation Merge mode for motion information prediction
US9451277B2 (en) * 2012-02-08 2016-09-20 Qualcomm Incorporated Restriction of prediction units in B slices to uni-directional inter prediction
CN102905150B (zh) * 2012-10-22 2015-04-08 北京航空航天大学 一种新的多视点视频分形编码压缩与解压缩方法
EP3078195A4 (en) * 2013-12-02 2017-08-09 Nokia Technologies OY Video encoding and decoding
CN105493505B (zh) * 2014-06-19 2019-08-06 微软技术许可有限责任公司 统一的帧内块复制和帧间预测模式
WO2016008157A1 (en) * 2014-07-18 2016-01-21 Mediatek Singapore Pte. Ltd. Methods for motion compensation using high order motion model
CN104539966B (zh) * 2014-09-30 2017-12-22 华为技术有限公司 图像预测方法及相关装置
JP6677243B2 (ja) * 2015-03-19 2020-04-08 日本電気株式会社 映像符号化装置、映像符号化方法およびプログラム
US10356416B2 (en) * 2015-06-09 2019-07-16 Qualcomm Incorporated Systems and methods of determining illumination compensation status for video coding
JP6078138B1 (ja) * 2015-10-30 2017-02-08 Ｎｔｔエレクトロニクス株式会社 動画像符号化装置及び動画像符号化方法
US10560712B2 (en) * 2016-05-16 2020-02-11 Qualcomm Incorporated Affine motion prediction for video coding
CN110169071A (zh) * 2017-01-12 2019-08-23 索尼公司 图像处理装置和图像处理方法
CN116170585A (zh) * 2017-01-16 2023-05-26 世宗大学校产学协力团 影像编码/解码方法
KR20240065329A (ko) * 2017-08-03 2024-05-14 광동 오포 모바일 텔레커뮤니케이션즈 코포레이션 리미티드 어파인 예측을 이용하여 비디오 신호를 처리하는 방법 및 장치
US20200014931A1 (en) * 2018-07-06 2020-01-09 Mediatek Inc. Methods and Apparatuses of Generating an Average Candidate for Inter Picture Prediction in Video Coding Systems
WO2020007362A1 (en) * 2018-07-06 2020-01-09 Mediatek Inc. Inherited motion information for decoding a current coding unit in a video coding system
US10462488B1 (en) * 2018-07-13 2019-10-29 Tencent America LLC Method and apparatus for video coding
JP7212150B2 (ja) * 2018-09-19 2023-01-24 北京字節跳動網絡技術有限公司 適応動きベクトル解像度によるアフィンモードへの構文の使用
US10827171B2 (en) * 2018-11-14 2020-11-03 Tencent America LLC Method and apparatus for video coding
US11006121B2 (en) * 2019-06-20 2021-05-11 Tencent America LLC LIC signaling methods

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2016026454A (ja) 2010-10-08 2016-02-12 ジーイー ビデオ コンプレッション エルエルシー ブロック分割及びブロック統合をサポートする画像符号化
US9438910B1 (en) 2014-03-11 2016-09-06 Google Inc. Affine motion prediction in video coding
WO2017087751A1 (en) 2015-11-20 2017-05-26 Mediatek Inc. Method and apparatus for global motion compensation in video coding system
WO2017118409A1 (en) 2016-01-07 2017-07-13 Mediatek Inc. Method and apparatus for affine merge mode prediction for video coding system
WO2017130696A1 (ja) 2016-01-29 2017-08-03 シャープ株式会社 予測画像生成装置、動画像復号装置、および動画像符号化装置
US20180098063A1 (en) 2016-10-05 2018-04-05 Qualcomm Incorporated Motion vector prediction for affine motion models in video coding
JP2019535192A (ja) 2016-10-05 2019-12-05 クアルコム，インコーポレイテッド ビデオコーディングにおけるアフィン動きモデルのための動きベクトル予測

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
LEE, Jaeho et al.，A Unified Condition for Affine Merge and Affine Inter Mode，JVET-E0039 (version 3)，ITU，2017年01月13日，pp.1-3，[online]，[retrieved on 2023-04-12]，Retrieved from the Internet: <URL: https://jvet-experts.org/doc_end_user/documents/5_Geneva/wg11/JVET-E0039-v3.zip>
ZOU, Feng et al.，EE4: Improved Affine Motion Prediction，JVET-D0121 (version 1)，ITU，2016年10月06日，pp.1-4，JVET-D0121.doc

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2024015036A (ja) * 2017-08-03 2024-02-01 エルジー エレクトロニクス インコーポレイティド アフィン予測を用いてビデオ信号を処理する方法及び装置
JP7673160B2 (ja) 2017-08-03 2025-05-08 オッポ広東移動通信有限公司 アフィン予測を用いてビデオ信号を処理する方法及び装置

Also Published As

Publication number Publication date
US20260082068A1 (en) 2026-03-19
CN111066324B (zh) 2024-05-28
KR20240065329A (ko) 2024-05-14
US20260082069A1 (en) 2026-03-19
JP7673160B2 (ja) 2025-05-08
EP3661209A4 (en) 2020-06-03
JP2025100808A (ja) 2025-07-03
CN118214884B (zh) 2026-02-03
EP3661209A1 (en) 2020-06-03
KR102664781B1 (ko) 2024-05-21
KR20230098377A (ko) 2023-07-03
US20230353768A1 (en) 2023-11-02
US11089317B2 (en) 2021-08-10
KR102472053B1 (ko) 2022-11-28
US20210329282A1 (en) 2021-10-21
CN111066324A (zh) 2020-04-24
JP2024015036A (ja) 2024-02-01
JP2020529778A (ja) 2020-10-08
KR102549228B1 (ko) 2023-06-28
WO2019027286A1 (ko) 2019-02-07
CN118214883A (zh) 2024-06-18
US20200169744A1 (en) 2020-05-28
US11736707B2 (en) 2023-08-22
KR20220000990A (ko) 2022-01-04
KR102345442B1 (ko) 2021-12-31
KR20200022506A (ko) 2020-03-03
KR20220130270A (ko) 2022-09-26
CN118214883B (zh) 2025-12-26
CN118214884A (zh) 2024-06-18

Similar Documents

Publication Publication Date Title
JP7673160B2 (ja) アフィン予測を用いてビデオ信号を処理する方法及び装置
KR102664785B1 (ko) 비디오 신호를 처리하기 위한 방법 및 장치
KR102827856B1 (ko) 영상 신호를 처리하기 위한 방법 및 장치
JP7436543B2 (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
JP7571268B2 (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
JP7728403B2 (ja) Ｂｄｐｃｍを用いた画像符号化／復号化方法、装置、及びビットストリームを伝送する方法
JP7410168B2 (ja) イントラ予測を行う画像符号化／復号方法、装置、およびビットストリームを伝送する方法
EP3905674A1 (en) Image coding method and device for carrying out mrl-based intra prediction
KR102850673B1 (ko) Cabac에 기반한 엔트로피 코딩 방법 및 그 장치
KR20240095193A (ko) Mpm 리스트를 이용하는 영상 코딩 방법 및 장치
CN111434116A (zh) 在图像编码系统中使用构造的仿射mvp候选基于仿射运动预测的图像解码方法和装置
CN112567749B (zh) 使用仿射运动预测来处理视频信号的方法和装置
HK40107356A (zh) 利用仿射预测处理视频信号的方法和装置
RU2800679C2 (ru) Способ и устройство декодирования изображения на основе предсказания аффинного движения с использованием списка кандидатов аффинного mvp в системе кодирования изображения

Legal Events

Date Code Title Description
A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20210729

A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20210729

A977 Report on retrieval

Free format text: JAPANESE INTERMEDIATE CODE: A971007

Effective date: 20220805

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20221004

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20221219

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20230418

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20230714

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: 20231024

A61 First payment of annual fees (during grant procedure)

Free format text: JAPANESE INTERMEDIATE CODE: A61

Effective date: 20231124

R150 Certificate of patent or registration of utility model

Ref document number: 7393326

Country of ref document: JP

Free format text: JAPANESE INTERMEDIATE CODE: R150

S111 Request for change of ownership or part of ownership

Free format text: JAPANESE INTERMEDIATE CODE: R313113

R350 Written notification of registration of transfer

Free format text: JAPANESE INTERMEDIATE CODE: R350