JP2022526943A5 - - Google Patents

Info

Publication number
JP2022526943A5
JP2022526943A5 JP2021557372A JP2021557372A JP2022526943A5 JP 2022526943 A5 JP2022526943 A5 JP 2022526943A5 JP 2021557372 A JP2021557372 A JP 2021557372A JP 2021557372 A JP2021557372 A JP 2021557372A JP 2022526943 A5 JP2022526943 A5 JP 2022526943A5
Authority
JP
Japan
Prior art keywords
sbs
motion vector
aforementioned
motion
affine 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.)
Granted
Application number
JP2021557372A
Other languages
English (en)
Japanese (ja)
Other versions
JP2022526943A (ja
JP7553460B2 (ja
Filing date
Publication date
Application filed filed Critical
Priority claimed from PCT/US2020/024996 external-priority patent/WO2020198497A1/en
Publication of JP2022526943A publication Critical patent/JP2022526943A/ja
Publication of JP2022526943A5 publication Critical patent/JP2022526943A5/ja
Application granted granted Critical
Publication of JP7553460B2 publication Critical patent/JP7553460B2/ja
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

JP2021557372A 2019-03-26 2020-03-26 オプティカルフローによるデコーダ側動きベクトル精緻化についての予測精緻化のための方法および装置 Active JP7553460B2 (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US201962823935P 2019-03-26 2019-03-26
US62/823,935 2019-03-26
PCT/US2020/024996 WO2020198497A1 (en) 2019-03-26 2020-03-26 Methods and apparatus for prediction refinement for decoder side motion vector refinement with optical flow

Publications (3)

Publication Number Publication Date
JP2022526943A JP2022526943A (ja) 2022-05-27
JP2022526943A5 true JP2022526943A5 (https=) 2023-04-05
JP7553460B2 JP7553460B2 (ja) 2024-09-18

Family

ID=70286029

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2021557372A Active JP7553460B2 (ja) 2019-03-26 2020-03-26 オプティカルフローによるデコーダ側動きベクトル精緻化についての予測精緻化のための方法および装置

Country Status (5)

Country Link
US (1) US12341969B2 (https=)
EP (1) EP3949416A1 (https=)
JP (1) JP7553460B2 (https=)
CN (1) CN113826400A (https=)
WO (1) WO2020198497A1 (https=)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2023277756A1 (en) * 2021-06-30 2023-01-05 Telefonaktiebolaget Lm Ericsson (Publ) Overlapped decoder side motion refinement
US12388977B2 (en) * 2022-04-25 2025-08-12 Tencent America LLC Affine models use in affine bilateral matching
EP4580180A1 (en) * 2022-08-23 2025-07-02 Samsung Electronics Co., Ltd. Image decoding method and device, and image encoding method and device
US12445640B2 (en) * 2022-09-29 2025-10-14 Qualcomm Incorporated Methods of subblock skipping for affine motion search for video coding
KR20250086623A (ko) * 2022-10-11 2025-06-13 퀄컴 인코포레이티드 비디오 코딩을 위한 회귀 기반 디코더 측 아핀 모션 도출
US12563198B2 (en) * 2022-10-11 2026-02-24 Qualcomm Incorporated Regression-based decoder side affine motion derivation for video coding
CN121970339A (zh) * 2023-10-06 2026-05-01 高通股份有限公司 在视频译码中一起使用局部照明补偿及差量运动向量细化
CN117593211B (zh) * 2023-12-15 2024-09-24 书行科技(北京)有限公司 视频处理方法、装置、电子设备及存储介质

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8363721B2 (en) * 2009-03-26 2013-01-29 Cisco Technology, Inc. Reference picture prediction for video coding
SG10202111537RA (en) 2015-03-10 2021-11-29 Huawei Tech Co Ltd Picture prediction method and related apparatus
EP3414900B1 (en) 2016-03-15 2025-08-06 HFI Innovation Inc. Method and apparatus of video coding with affine motion compensation
US10560712B2 (en) * 2016-05-16 2020-02-11 Qualcomm Incorporated Affine motion prediction for video coding
US10523964B2 (en) * 2017-03-13 2019-12-31 Qualcomm Incorporated Inter prediction refinement based on bi-directional optical flow (BIO)
US10701390B2 (en) 2017-03-14 2020-06-30 Qualcomm Incorporated Affine motion information derivation
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
EP3422720A1 (en) 2017-06-26 2019-01-02 Thomson Licensing Multiple predictor candidates for motion compensation
RU2770185C2 (ru) 2017-06-26 2022-04-14 ИНТЕРДИДЖИТАЛ ВиСи ХОЛДИНГЗ, ИНК. Множество кандидатов предсказателя для компенсации движения
IL285212B2 (en) * 2019-02-07 2024-06-01 Vid Scale Inc Systems, means and methods for refining Internet prediction with optical flow
US20200296405A1 (en) * 2019-03-14 2020-09-17 Qualcomm Incorporated Affine motion compensation refinement using optical flow
SG11202109031TA (en) * 2019-03-18 2021-09-29 Tencent America LLC Method and apparatus for video coding

Similar Documents

Publication Publication Date Title
JP2022526943A5 (https=)
CN101573984B (zh) 用于使用多个运动矢量预测因子来估计运动矢量的方法和设备,编码器、解码器和解码方法
JP2019041418A5 (https=)
CN104219533B (zh) 一种双向运动估计方法和视频帧率上转换方法及系统
RU2019144982A (ru) Прогнозирование компенсации движения на основе двунаправленного оптического потока
JPH114441A5 (https=)
CN110710212B (zh) 通过子像素运动矢量细化对视频数据进行编码或解码的方法和装置
JP2022502899A5 (https=)
RU2011134049A (ru) Устройство и способ обработки изображений
JP2022527194A5 (https=)
JP2021505013A5 (https=)
CN101361369B (zh) 用于视觉信号外插或内插的系统和方法
JP2012165354A5 (https=)
JP2010154490A5 (https=)
KR102126511B1 (ko) 보충 정보를 이용한 영상 프레임의 보간 방법 및 장치
JP2007529175A5 (https=)
JP2018533273A5 (https=)
JP2017507543A5 (https=)
JP5068265B2 (ja) 動きベクトルの選択
KR101217627B1 (ko) 블록 기반의 움직임 추정 방법 및 장치
CN103283232B (zh) 用于形成预测值的方法和装置
CN112929701B (zh) 一种视频编码方法、装置、设备及介质
CN114270859B (zh) 图像解码装置、图像解码方法及程序
CN102055987B (zh) 一种解码错误宏块的错误隐蔽方法及装置
CN117768647B (zh) 图像处理方法、装置、设备及可读存储介质