KR102549228B1 - 어파인 예측을 이용하여 비디오 신호를 처리하는 방법 및 장치 - Google Patents

어파인 예측을 이용하여 비디오 신호를 처리하는 방법 및 장치 Download PDF

Info

Publication number
KR102549228B1
KR102549228B1 KR1020227032285A KR20227032285A KR102549228B1 KR 102549228 B1 KR102549228 B1 KR 102549228B1 KR 1020227032285 A KR1020227032285 A KR 1020227032285A KR 20227032285 A KR20227032285 A KR 20227032285A KR 102549228 B1 KR102549228 B1 KR 102549228B1
Authority
KR
South Korea
Prior art keywords
mode
affine
current block
flag
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
KR1020227032285A
Other languages
English (en)
Korean (ko)
Other versions
KR20220130270A (ko
Inventor
이재호
Original Assignee
엘지전자 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 엘지전자 주식회사 filed Critical 엘지전자 주식회사
Priority to KR1020237021482A priority Critical patent/KR102664781B1/ko
Publication of KR20220130270A publication Critical patent/KR20220130270A/ko
Application granted granted Critical
Publication of KR102549228B1 publication Critical patent/KR102549228B1/ko
Assigned to 광동 오포 모바일 텔레커뮤니케이션즈 코포레이션 리미티드 reassignment 광동 오포 모바일 텔레커뮤니케이션즈 코포레이션 리미티드 권리의 전부이전등록 Assignors: 엘지전자 주식회사
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
    • H04N19/513—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
    • 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
    • H04N19/10—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
    • H04N19/103—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
    • H04N19/10—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)
KR1020227032285A 2017-08-03 2018-08-03 어파인 예측을 이용하여 비디오 신호를 처리하는 방법 및 장치 Active KR102549228B1 (ko)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1020237021482A KR102664781B1 (ko) 2017-08-03 2018-08-03 어파인 예측을 이용하여 비디오 신호를 처리하는 방법 및 장치

Applications Claiming Priority (4)

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
KR1020217042670A KR102472053B1 (ko) 2017-08-03 2018-08-03 어파인 예측을 이용하여 비디오 신호를 처리하는 방법 및 장치

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
KR1020217042670A Division KR102472053B1 (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
KR1020237021482A Division KR102664781B1 (ko) 2017-08-03 2018-08-03 어파인 예측을 이용하여 비디오 신호를 처리하는 방법 및 장치

Publications (2)

Publication Number Publication Date
KR20220130270A KR20220130270A (ko) 2022-09-26
KR102549228B1 true KR102549228B1 (ko) 2023-06-28

Family

ID=65232974

Family Applications (5)

Application Number Title Priority Date Filing Date
KR1020227032285A Active KR102549228B1 (ko) 2017-08-03 2018-08-03 어파인 예측을 이용하여 비디오 신호를 처리하는 방법 및 장치
KR1020217042670A Active KR102472053B1 (ko) 2017-08-03 2018-08-03 어파인 예측을 이용하여 비디오 신호를 처리하는 방법 및 장치
KR1020207004148A Active KR102345442B1 (ko) 2017-08-03 2018-08-03 어파인 예측을 이용하여 비디오 신호를 처리하는 방법 및 장치
KR1020247014995A Pending KR20240065329A (ko) 2017-08-03 2018-08-03 어파인 예측을 이용하여 비디오 신호를 처리하는 방법 및 장치
KR1020237021482A Active KR102664781B1 (ko) 2017-08-03 2018-08-03 어파인 예측을 이용하여 비디오 신호를 처리하는 방법 및 장치

Family Applications After (4)

Application Number Title Priority Date Filing Date
KR1020217042670A Active KR102472053B1 (ko) 2017-08-03 2018-08-03 어파인 예측을 이용하여 비디오 신호를 처리하는 방법 및 장치
KR1020207004148A Active KR102345442B1 (ko) 2017-08-03 2018-08-03 어파인 예측을 이용하여 비디오 신호를 처리하는 방법 및 장치
KR1020247014995A Pending KR20240065329A (ko) 2017-08-03 2018-08-03 어파인 예측을 이용하여 비디오 신호를 처리하는 방법 및 장치
KR1020237021482A Active KR102664781B1 (ko) 2017-08-03 2018-08-03 어파인 예측을 이용하여 비디오 신호를 처리하는 방법 및 장치

Country Status (6)

Country Link
US (5) US11089317B2 (enExample)
EP (1) EP3661209A1 (enExample)
JP (3) JP7393326B2 (enExample)
KR (5) KR102549228B1 (enExample)
CN (3) CN118214884B (enExample)
WO (1) WO2019027286A1 (enExample)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102549228B1 (ko) * 2017-08-03 2023-06-28 엘지전자 주식회사 어파인 예측을 이용하여 비디오 신호를 처리하는 방법 및 장치
PE20241804A1 (es) 2018-03-25 2024-09-10 B1 Institute Image Technology Inc Metodo y dispositivo de codificacion/decodificacion de imagen
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
EP3959873A4 (en) * 2019-04-25 2022-08-10 OP Solutions, LLC EFFICIENT CODING OF GLOBAL MOTION VECTORS
JP7342153B2 (ja) * 2019-06-24 2023-09-11 エルジー エレクトロニクス インコーポレイティド 動きベクトルを用いた画像コーディング方法および装置
JP7414127B2 (ja) 2019-09-30 2024-01-16 ホアウェイ・テクノロジーズ・カンパニー・リミテッド 拡張補間フィルタのメモリ帯域幅削減のためのアフィン動きモデル制限
CN115349257B (zh) * 2019-09-30 2024-04-09 华为技术有限公司 基于dct的内插滤波器的使用
EP4026331A4 (en) 2019-09-30 2022-11-30 Huawei Technologies Co., Ltd. Affine motion model restrictions
WO2020251417A2 (en) 2019-09-30 2020-12-17 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

Family Cites Families (31)

* 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
US8665958B2 (en) * 2008-01-29 2014-03-04 Electronics And Telecommunications Research Institute Method and apparatus for encoding and decoding video signal using motion compensation based on affine transformation
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
SI3833025T1 (sl) 2010-10-08 2025-05-30 Ge Video Compression, Llc Kodiranje slik, ki podpira particioniranje blokov in spajanje blokov
KR102318349B1 (ko) * 2011-11-11 2021-10-27 지이 비디오 컴프레션, 엘엘씨 깊이-맵 추정 및 업데이트를 사용한 효율적인 멀티-뷰 코딩
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
CN106416250B (zh) * 2013-12-02 2020-12-04 诺基亚技术有限公司 视频编码和解码
US9438910B1 (en) * 2014-03-11 2016-09-06 Google Inc. Affine motion prediction in video coding
KR102576562B1 (ko) * 2014-06-19 2023-09-07 마이크로소프트 테크놀로지 라이센싱, 엘엘씨 통합된 인트라 블록 카피 및 인터 예측 모드
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
WO2016147651A1 (ja) * 2015-03-19 2016-09-22 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記録媒体
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
US11082713B2 (en) 2015-11-20 2021-08-03 Mediatek Inc. Method and apparatus for global motion compensation in video coding system
CN108886619A (zh) * 2016-01-07 2018-11-23 联发科技股份有限公司 用于视频编解码系统的仿射合并模式预测的方法及装置
US10798403B2 (en) 2016-01-29 2020-10-06 Sharp Kabushiki Kaisha Prediction image generation device, video decoding device, and video coding device
US10560712B2 (en) * 2016-05-16 2020-02-11 Qualcomm Incorporated Affine motion prediction for video coding
US10448010B2 (en) * 2016-10-05 2019-10-15 Qualcomm Incorporated Motion vector prediction for affine motion models in video coding
CA3048569A1 (en) * 2017-01-12 2018-07-19 Sony Corporation Image processing device and image processing method
WO2018131986A1 (ko) * 2017-01-16 2018-07-19 세종대학교 산학협력단 영상의 부호화/복호화 방법 및 장치
KR102549228B1 (ko) * 2017-08-03 2023-06-28 엘지전자 주식회사 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
CN112369030B (zh) * 2018-07-06 2023-11-10 寰发股份有限公司 解码器的视频解码方法及装置
US10462488B1 (en) * 2018-07-13 2019-10-29 Tencent America LLC Method and apparatus for video coding
KR102635047B1 (ko) * 2018-09-19 2024-02-07 베이징 바이트댄스 네트워크 테크놀로지 컴퍼니, 리미티드 적응적 움직임 벡터 해상도를 가지는 어파인 모드에 대한 구문 재사용
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

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
Feng Zou, Jianle Chen, ET. AL., "Improved affine motion prediction", Joint Video Exploration Team (JVET) of ITU-T SG 16 WP 3 and ISO/IEC JTC 1/SC 29/WG 11 3rd Meeting: Geneva, CH, 2016.05.26., Document: JVET-C0062_v2*
Jianle Chen, ET. AL., "Algorithm Description of Joint Exploration Test Model 3", Joint Video Exploration Team (JVET) of ITU-T SG 16 WP 3 and ISO/IEC JTC 1/SC 29/WG 11 3rd Meeting: Geneva, CH, 2016.07.06., Document: JVET-C1001_v3*

Also Published As

Publication number Publication date
CN118214884B (zh) 2026-02-03
KR20200022506A (ko) 2020-03-03
JP7673160B2 (ja) 2025-05-08
KR20220130270A (ko) 2022-09-26
US20210329282A1 (en) 2021-10-21
KR20240065329A (ko) 2024-05-14
EP3661209A4 (en) 2020-06-03
US20260082069A1 (en) 2026-03-19
CN118214883B (zh) 2025-12-26
US11736707B2 (en) 2023-08-22
KR102472053B1 (ko) 2022-11-28
JP2024015036A (ja) 2024-02-01
JP7393326B2 (ja) 2023-12-06
JP2020529778A (ja) 2020-10-08
EP3661209A1 (en) 2020-06-03
CN111066324B (zh) 2024-05-28
CN111066324A (zh) 2020-04-24
KR20230098377A (ko) 2023-07-03
CN118214884A (zh) 2024-06-18
KR102664781B1 (ko) 2024-05-21
US20260082068A1 (en) 2026-03-19
CN118214883A (zh) 2024-06-18
US11089317B2 (en) 2021-08-10
KR102345442B1 (ko) 2021-12-31
US20230353768A1 (en) 2023-11-02
US20200169744A1 (en) 2020-05-28
WO2019027286A1 (ko) 2019-02-07
JP2025100808A (ja) 2025-07-03
KR20220000990A (ko) 2022-01-04

Similar Documents

Publication Publication Date Title
KR102472053B1 (ko) 어파인 예측을 이용하여 비디오 신호를 처리하는 방법 및 장치
JP7675166B2 (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
JP7856834B2 (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
KR102510771B1 (ko) 영상 코딩 시스템에서 어파인 mvp 후보 리스트를 사용하는 어파인 움직임 예측에 기반한 영상 디코딩 방법 및 장치
KR20240095193A (ko) Mpm 리스트를 이용하는 영상 코딩 방법 및 장치
KR20230088840A (ko) 영상 코딩 시스템에서 cclm 예측에 기반한 영상 디코딩 방법 및 그 장치
KR102547353B1 (ko) 영상 코딩 시스템에서 컨스트럭티드 어파인 mvp 후보를 사용하는 어파인 움직임 예측에 기반한 영상 디코딩 방법 및 장치
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
RU2803147C2 (ru) Способ и оборудование кодирования/декодирования изображений для выполнения внутреннего предсказания и способ для передачи потока битов

Legal Events

Date Code Title Description
A107 Divisional application of patent
PA0104 Divisional application for international application

Comment text: Divisional Application for International Patent

Patent event code: PA01041R01D

Patent event date: 20220916

Application number text: 1020217042670

Filing date: 20211227

PA0201 Request for examination
PG1501 Laying open of application
E902 Notification of reason for refusal
PE0902 Notice of grounds for rejection

Comment text: Notification of reason for refusal

Patent event date: 20221013

Patent event code: PE09021S01D

E701 Decision to grant or registration of patent right
PE0701 Decision of registration

Patent event code: PE07011S01D

Comment text: Decision to Grant Registration

Patent event date: 20230328

A107 Divisional application of patent
GRNT Written decision to grant
PA0104 Divisional application for international application

Comment text: Divisional Application for International Patent

Patent event code: PA01041R01D

Patent event date: 20230626

Application number text: 1020217042670

Filing date: 20211227

PR0701 Registration of establishment

Comment text: Registration of Establishment

Patent event date: 20230626

Patent event code: PR07011E01D

PR1002 Payment of registration fee

Payment date: 20230626

End annual number: 3

Start annual number: 1

PG1601 Publication of registration