KR20240166515A - 화상 부호화 장치, 화상 복호 장치, 화상 부호화 방법, 및 화상 복호 방법 - Google Patents

화상 부호화 장치, 화상 복호 장치, 화상 부호화 방법, 및 화상 복호 방법 Download PDF

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KR20240166515A
KR20240166515A KR1020247034070A KR20247034070A KR20240166515A KR 20240166515 A KR20240166515 A KR 20240166515A KR 1020247034070 A KR1020247034070 A KR 1020247034070A KR 20247034070 A KR20247034070 A KR 20247034070A KR 20240166515 A KR20240166515 A KR 20240166515A
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block
prediction
image
intensity
encoding
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Korean (ko)
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고지 오카와
마사토 시마
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캐논 가부시끼가이샤
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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/102Methods 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
    • H04N19/117Filters, e.g. for pre-processing or post-processing
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/102Methods 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
    • H04N19/103Selection of coding mode or of prediction mode
    • H04N19/107Selection of coding mode or of prediction mode between spatial and temporal predictive coding, e.g. picture refresh
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/134Methods 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
    • H04N19/136Incoming video signal characteristics or properties
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/134Methods 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
    • H04N19/157Assigned coding mode, i.e. the coding mode being predefined or preselected to be further used for selection of another element or parameter
    • H04N19/159Prediction type, e.g. intra-frame, inter-frame or bidirectional frame prediction
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/134Methods 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
    • H04N19/167Position within a video image, e.g. region of interest [ROI]
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/169Methods 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
    • H04N19/17Methods 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
    • H04N19/176Methods 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
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/169Methods 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
    • H04N19/182Methods 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
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/85Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using pre-processing or post-processing specially adapted for video compression
    • H04N19/86Methods 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
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/169Methods 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
    • H04N19/186Methods 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)
KR1020247034070A 2022-03-22 2023-01-18 화상 부호화 장치, 화상 복호 장치, 화상 부호화 방법, 및 화상 복호 방법 Pending KR20240166515A (ko)

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
JPJP-P-2022-046035 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

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KR20240166515A true KR20240166515A (ko) 2024-11-26

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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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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

Citations (2)

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Publication number Priority date Publication date Assignee Title
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
JP2014507863A (ja) 2011-01-14 2014-03-27 テレフオンアクチーボラゲット エル エム エリクソン(パブル) デブロッキングフィルタリング

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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
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

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2014507863A (ja) 2011-01-14 2014-03-27 テレフオンアクチーボラゲット エル エム エリクソン(パブル) デブロッキングフィルタリング
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

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WO2023181607A1 (ja) 2023-09-28
JP2023140151A (ja) 2023-10-04
CN118891872A (zh) 2024-11-01
EP4498673A1 (en) 2025-01-29

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