EP4573751A4 - Procédé et appareil pour le filtrage adaptatif à compensation de mouvement - Google Patents

Procédé et appareil pour le filtrage adaptatif à compensation de mouvement

Info

Publication number
EP4573751A4
EP4573751A4 EP23855543.7A EP23855543A EP4573751A4 EP 4573751 A4 EP4573751 A4 EP 4573751A4 EP 23855543 A EP23855543 A EP 23855543A EP 4573751 A4 EP4573751 A4 EP 4573751A4
Authority
EP
European Patent Office
Prior art keywords
compensated
filtration
adaptive motion
adaptive
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.)
Pending
Application number
EP23855543.7A
Other languages
German (de)
English (en)
Other versions
EP4573751A1 (fr
Inventor
Xiaoyu Xiu
Ning Yan
Changyue Ma
Che-Wei Kuo
Hong-Jheng Jhu
Wei Chen
Xianglin Wang
Bing Yu
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.)
Beijing Dajia Internet Information Technology Co Ltd
Original Assignee
Beijing Dajia Internet Information Technology Co Ltd
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 Beijing Dajia Internet Information Technology Co Ltd filed Critical Beijing Dajia Internet Information Technology Co Ltd
Publication of EP4573751A1 publication Critical patent/EP4573751A1/fr
Publication of EP4573751A4 publication Critical patent/EP4573751A4/fr
Pending legal-status Critical Current

Links

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
    • H04N19/80—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
    • 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
    • H04N19/117—Filters, e.g. for pre-processing or post-processing
    • 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
    • H04N19/50—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

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
EP23855543.7A 2022-08-19 2023-08-21 Procédé et appareil pour le filtrage adaptatif à compensation de mouvement Pending EP4573751A4 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US202263399641P 2022-08-19 2022-08-19
PCT/US2023/030739 WO2024039910A1 (fr) 2022-08-19 2023-08-21 Procédé et appareil pour le filtrage adaptatif à compensation de mouvement

Publications (2)

Publication Number Publication Date
EP4573751A1 EP4573751A1 (fr) 2025-06-25
EP4573751A4 true EP4573751A4 (fr) 2026-08-12

Family

ID=89942233

Family Applications (1)

Application Number Title Priority Date Filing Date
EP23855543.7A Pending EP4573751A4 (fr) 2022-08-19 2023-08-21 Procédé et appareil pour le filtrage adaptatif à compensation de mouvement

Country Status (3)

Country Link
EP (1) EP4573751A4 (fr)
CN (1) CN119744533A (fr)
WO (1) WO2024039910A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2026130410A1 (fr) * 2024-12-19 2026-06-25 Mediatek Inc. Procédés et appareil d'affinement de prédiction basé sur un échantillon en utilisant des différences de modèle dans des systèmes de codage vidéo

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2019143602A1 (fr) * 2018-01-16 2019-07-25 Vid Scale, Inc. Bi-prédiction à compensation de mouvement fondée sur une compensation d'éclairage local
EP3709648A1 (fr) * 2019-03-12 2020-09-16 InterDigital VC Holdings, Inc. Procédé et appareil de codage et de décodage vidéo comportant une compensation d'éclairage local à base de sous-blocs

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101098739B1 (ko) * 2008-11-24 2011-12-23 한국전자통신연구원 비디오 신호의 부호화/복호화 장치 및 방법
EP3446480B1 (fr) * 2016-04-22 2025-10-08 InterDigital VC Holdings, Inc. Systèmes de prédiction et procédés de codage vidéo basés sur le filtrage de pixels voisins les plus proches
CN112042189B (zh) * 2018-04-30 2023-07-21 寰发股份有限公司 照度补偿方法及相应的电子装置
EP3868098B1 (fr) * 2019-01-18 2024-07-10 Huawei Technologies Co., Ltd. Procédé et appareil de compensation d'éclairage local pour codage prédictif

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2019143602A1 (fr) * 2018-01-16 2019-07-25 Vid Scale, Inc. Bi-prédiction à compensation de mouvement fondée sur une compensation d'éclairage local
EP3709648A1 (fr) * 2019-03-12 2020-09-16 InterDigital VC Holdings, Inc. Procédé et appareil de codage et de décodage vidéo comportant une compensation d'éclairage local à base de sous-blocs

Non-Patent Citations (3)

* Cited by examiner, † Cited by third party
Title
ANONYMOUS: "Coordinate descent - Wikipedia", 21 April 2022 (2022-04-21), XP093408555, Retrieved from the Internet <URL:https://web.archive.org/web/20220421143124/https://en.wikipedia.org/wiki/Coordinate_descent> [retrieved on 20260618] *
S. BANDYOPADHYAY (INTERDIGITAL) ET AL: "CE10-related: Local Illumination compensation simplifications", 13. JVET MEETING; 20190109 - 20190118; MARRAKECH; (THE JOINT VIDEO EXPLORATION TEAM OF ISO/IEC JTC1/SC29/WG11 AND ITU-T SG.16 ), 11 January 2019 (2019-01-11), XP030201507, [retrieved on 20190111] *
See also references of WO2024039910A1 *

Also Published As

Publication number Publication date
EP4573751A1 (fr) 2025-06-25
CN119744533A (zh) 2025-04-01
WO2024039910A1 (fr) 2024-02-22

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