CN118891872A - 图像编码设备、图像解码设备、图像编码方法和图像解码方法 - Google Patents

图像编码设备、图像解码设备、图像编码方法和图像解码方法 Download PDF

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Publication number
CN118891872A
CN118891872A CN202380028369.0A CN202380028369A CN118891872A CN 118891872 A CN118891872 A CN 118891872A CN 202380028369 A CN202380028369 A CN 202380028369A CN 118891872 A CN118891872 A CN 118891872A
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China
Prior art keywords
block
prediction
image
intensity
pixels
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Pending
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CN202380028369.0A
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English (en)
Chinese (zh)
Inventor
大川浩司
志摩真悟
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Canon Inc
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Canon Inc
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Publication of CN118891872A publication Critical patent/CN118891872A/zh
Pending legal-status Critical Current

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    • 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
    • H04N19/102—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
    • H04N19/107—Selection of coding mode or of prediction mode between spatial and temporal predictive coding, e.g. picture refresh
    • 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
    • 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
    • H04N19/134—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
    • H04N19/167—Position within a video image, e.g. region of interest [ROI]
    • 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
    • H04N19/10—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
    • H04N19/182—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 a pixel
    • 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
    • H04N19/85—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using pre-processing or post-processing specially adapted for video compression
    • H04N19/86—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using pre-processing or post-processing specially adapted for video compression involving reduction of coding artifacts, e.g. of blockiness
    • 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
    • H04N19/186—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 a colour or a chrominance component

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
CN202380028369.0A 2022-03-22 2023-01-18 图像编码设备、图像解码设备、图像编码方法和图像解码方法 Pending CN118891872A (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2022046035A JP2023140151A (ja) 2022-03-22 2022-03-22 画像符号化装置、画像復号装置、画像符号化方法、および画像復号方法
JP2022-046035 2022-03-22
PCT/JP2023/001333 WO2023181607A1 (ja) 2022-03-22 2023-01-18 画像符号化装置、画像復号装置、画像符号化方法、および画像復号方法

Publications (1)

Publication Number Publication Date
CN118891872A true CN118891872A (zh) 2024-11-01

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Country Status (6)

Country Link
US (1) US20240414335A1 (enExample)
EP (1) EP4498673A1 (enExample)
JP (1) JP2023140151A (enExample)
KR (1) KR20240166515A (enExample)
CN (1) CN118891872A (enExample)
WO (1) WO2023181607A1 (enExample)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2024152061A (ja) * 2023-04-13 2024-10-25 Kddi株式会社 画像復号装置、画像復号方法及びプログラム

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2011122801A (ru) * 2008-11-07 2012-12-20 Мицубиси Электрик Корпорейшн Кодер изображения и декодер изображения
JP2011239365A (ja) * 2010-04-12 2011-11-24 Canon Inc 動画像符号化装置及びその制御方法、コンピュータプログラム
BR112013015517B1 (pt) 2011-01-14 2021-11-23 Velos Media International Limited Método para reduzir artefatos de bloqueio, unidade de filtro de desbloqueio, codificador, decodificador, equipamento de usuário, e, dispositivo de rede
JP2013038758A (ja) 2011-07-13 2013-02-21 Canon Inc 画像符号化装置、画像符号化方法及びプログラム、画像復号装置、画像復号方法及びプログラム
JP6399433B2 (ja) * 2013-05-31 2018-10-03 サン パテント トラスト 画像符号化方法、画像復号方法、画像符号化装置及び画像復号装置
KR20170082528A (ko) * 2014-11-05 2017-07-14 삼성전자주식회사 블록과 관련하여 결정된 적어도 하나의 샘플값 및 적어도 하나의 패턴에 기초한 인트라 예측을 수행하는 영상 부호화 방법 및 장치또는 영상 복호화 방법 및 장치
JP7094076B2 (ja) * 2016-08-19 2022-07-01 沖電気工業株式会社 映像符号化装置、プログラム及び方法、並びに、映像復号装置、プログラム及び方法、並びに、映像伝送システム
AU2019398124B2 (en) * 2018-12-11 2025-04-17 Interdigital Vc Holdings, Inc. Method and apparatus for deblocking an image
JP7418152B2 (ja) * 2018-12-17 2024-01-19 キヤノン株式会社 画像符号化装置、画像符号化方法、画像復号装置、画像復号方法
JP2022046035A (ja) 2020-09-10 2022-03-23 健史 平栗 植物の栽培方法、植物の栽培システム

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US20240414335A1 (en) 2024-12-12
WO2023181607A1 (ja) 2023-09-28
JP2023140151A (ja) 2023-10-04
KR20240166515A (ko) 2024-11-26
EP4498673A1 (en) 2025-01-29

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