EP4512092A4 - Procédés et dispositifs de dérivation de candidats pour un mode de fusion affine en codage vidéo - Google Patents

Procédés et dispositifs de dérivation de candidats pour un mode de fusion affine en codage vidéo

Info

Publication number
EP4512092A4
EP4512092A4 EP23792452.7A EP23792452A EP4512092A4 EP 4512092 A4 EP4512092 A4 EP 4512092A4 EP 23792452 A EP23792452 A EP 23792452A EP 4512092 A4 EP4512092 A4 EP 4512092A4
Authority
EP
European Patent Office
Prior art keywords
affinant
devices
video coding
candidate derivation
mixing mode
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
EP23792452.7A
Other languages
German (de)
English (en)
Other versions
EP4512092A1 (fr
Inventor
Wei Chen
Xiaoyu Xiu
Yi-Wen Chen
Hong-Jheng Jhu
Che-Wei Kuo
Ning Yan
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 EP4512092A1 publication Critical patent/EP4512092A1/fr
Publication of EP4512092A4 publication Critical patent/EP4512092A4/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
    • H04N19/50—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
    • H04N19/55—Motion estimation with spatial constraints, e.g. at image or region borders
    • 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
    • H04N19/136—Incoming video signal characteristics or properties
    • H04N19/137—Motion inside a coding unit, e.g. average field, frame or block difference
    • H04N19/139—Analysis of motion vectors, e.g. their magnitude, direction, variance or reliability
    • 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
    • H04N19/513—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
    • H04N19/10—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
    • H04N19/129—Scanning of coding units, e.g. zig-zag scan of transform coefficients or flexible macroblock ordering [FMO]

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
EP23792452.7A 2022-04-18 2023-04-18 Procédés et dispositifs de dérivation de candidats pour un mode de fusion affine en codage vidéo Pending EP4512092A4 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US202263332244P 2022-04-18 2022-04-18
PCT/US2023/019002 WO2023205185A1 (fr) 2022-04-18 2023-04-18 Procédés et dispositifs de dérivation de candidats pour un mode de fusion affine en codage vidéo

Publications (2)

Publication Number Publication Date
EP4512092A1 EP4512092A1 (fr) 2025-02-26
EP4512092A4 true EP4512092A4 (fr) 2026-04-15

Family

ID=88420468

Family Applications (1)

Application Number Title Priority Date Filing Date
EP23792452.7A Pending EP4512092A4 (fr) 2022-04-18 2023-04-18 Procédés et dispositifs de dérivation de candidats pour un mode de fusion affine en codage vidéo

Country Status (3)

Country Link
EP (1) EP4512092A4 (fr)
CN (1) CN119054289A (fr)
WO (1) WO2023205185A1 (fr)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20190082191A1 (en) * 2016-03-15 2019-03-14 Mediatek Inc. Method and apparatus of video coding with affine motion compensation
US20200007889A1 (en) * 2018-06-29 2020-01-02 Qualcomm Incorporated Buffer restriction during motion vector prediction for video coding
US20200099951A1 (en) * 2018-09-21 2020-03-26 Qualcomm Incorporated History-based motion vector prediction for affine mode
US20220070486A1 (en) * 2017-06-13 2022-03-03 Qualcomm Incorporated Motion vector prediction

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2015106747A (ja) * 2013-11-28 2015-06-08 富士通株式会社 動画像符号化装置、動画像符号化方法及び動画像符号化用コンピュータプログラム
US11082708B2 (en) * 2018-01-08 2021-08-03 Qualcomm Incorporated Multiple-model local illumination compensation
CN118264797A (zh) * 2018-02-28 2024-06-28 弗劳恩霍夫应用研究促进协会 合成式预测及限制性合并
US11057636B2 (en) * 2018-09-17 2021-07-06 Qualcomm Incorporated Affine motion prediction

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20190082191A1 (en) * 2016-03-15 2019-03-14 Mediatek Inc. Method and apparatus of video coding with affine motion compensation
US20220070486A1 (en) * 2017-06-13 2022-03-03 Qualcomm Incorporated Motion vector prediction
US20200007889A1 (en) * 2018-06-29 2020-01-02 Qualcomm Incorporated Buffer restriction during motion vector prediction for video coding
US20200099951A1 (en) * 2018-09-21 2020-03-26 Qualcomm Incorporated History-based motion vector prediction for affine mode

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
See also references of WO2023205185A1 *
W. CHEN (KWAI) ET AL: "EE2-2.7, 2.8, 2.9: History-parameter-based affine model inheritance and non-adjacent spatial neighbors for affine merge mode", 26. JVET MEETING; 20220420 - 20220429; TELECONFERENCE; (THE JOINT VIDEO EXPLORATION TEAM OF ISO/IEC JTC1/SC29/WG11 AND ITU-T SG.16 ), 14 April 2022 (2022-04-14), XP030301027, [retrieved on 20220414] *

Also Published As

Publication number Publication date
WO2023205185A1 (fr) 2023-10-26
EP4512092A1 (fr) 2025-02-26
CN119054289A (zh) 2024-11-29

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