TWI800695B - 圖像編碼裝置、圖像編碼方法、圖像解碼裝置、圖像解碼方法 - Google Patents

圖像編碼裝置、圖像編碼方法、圖像解碼裝置、圖像解碼方法 Download PDF

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Publication number
TWI800695B
TWI800695B TW108142867A TW108142867A TWI800695B TW I800695 B TWI800695 B TW I800695B TW 108142867 A TW108142867 A TW 108142867A TW 108142867 A TW108142867 A TW 108142867A TW I800695 B TWI800695 B TW I800695B
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Taiwan
Prior art keywords
image
image decoding
image encoding
encoding
decoding
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TW108142867A
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English (en)
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TW202029760A (zh
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志摩真悟
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日商佳能股份有限公司
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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
    • H04N19/124—Quantisation
    • H04N19/126—Details of normalisation or weighting functions, e.g. normalisation matrices or variable uniform quantisers
    • 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
    • H04N19/46—Embedding additional information in the video signal during the compression process
    • H04N19/463—Embedding additional information in the video signal during the compression process by compressing encoding parameters before transmission
    • 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
    • H04N19/13—Adaptive entropy coding, e.g. adaptive variable length coding [AVLC] or context adaptive binary arithmetic coding [CABAC]
    • 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
    • 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
    • H04N19/18—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 set of transform coefficients
    • 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
    • H04N19/46—Embedding additional information in the video signal during the compression process
    • 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

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
TW108142867A 2018-12-17 2019-11-26 圖像編碼裝置、圖像編碼方法、圖像解碼裝置、圖像解碼方法 TWI800695B (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2018-235909 2018-12-17
JP2018235909A JP2020098983A (ja) 2018-12-17 2018-12-17 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

Publications (2)

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TW202029760A TW202029760A (zh) 2020-08-01
TWI800695B true TWI800695B (zh) 2023-05-01

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TW112111348A TWI833620B (zh) 2018-12-17 2019-11-26 圖像編碼裝置、圖像編碼方法、圖像解碼裝置及圖像解碼方法

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US (6) US11930178B2 (zh)
EP (1) EP3902256A4 (zh)
JP (2) JP2020098983A (zh)
KR (1) KR20210100172A (zh)
CN (6) CN117956155A (zh)
TW (2) TWI800695B (zh)
WO (1) WO2020129498A1 (zh)

Citations (2)

* Cited by examiner, † Cited by third party
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US20140241423A1 (en) * 2011-11-04 2014-08-28 Huawei Technologies Co., Ltd. Image coding and decoding methods and apparatuses
TW201540048A (zh) * 2011-02-10 2015-10-16 Sony Corp 圖像處理裝置、圖像處理方法及記錄媒體

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CN106937126B (zh) * 2011-05-20 2019-11-15 索尼公司 图像处理装置和图像处理方法
WO2013005386A1 (en) * 2011-07-01 2013-01-10 Panasonic Corporation Method and apparatus for encoding and decoding video using adaptive quantization matrix for square and rectangular transform units
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
JP5815853B2 (ja) * 2011-08-23 2015-11-17 メディア テック シンガポール ピーティーイー．リミテッド ビデオコーディングにおける量子化マトリクスに従うトランスフォームブロック処理の方法及びシステム
US10277915B2 (en) * 2011-11-07 2019-04-30 Qualcomm Incorporated Signaling quantization matrices for video coding
JP2013146038A (ja) * 2011-12-13 2013-07-25 Canon Inc 画像量子化装置、画像量子化方法及びプログラム、画像逆量子化装置、画像逆量子化方法及びプログラム
KR20200023501A (ko) * 2011-12-19 2020-03-04 소니 주식회사 화상 처리 장치 및 방법
BR122021010845B1 (pt) * 2012-04-16 2023-03-14 Electronics And Telecommunications Research Institute Método e mídia de gravação não transitória legível por computador para decodificar vídeo
KR102071580B1 (ko) * 2014-11-03 2020-01-30 삼성전자주식회사 이미지 재부호화 방법 및 그 장치
EP3484151A1 (en) * 2017-11-13 2019-05-15 Thomson Licensing Method and apparatus for generating quantization matrices in video encoding and decoding

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TW201540048A (zh) * 2011-02-10 2015-10-16 Sony Corp 圖像處理裝置、圖像處理方法及記錄媒體
TW201722153A (zh) * 2011-02-10 2017-06-16 Sony Corp 圖像處理裝置、圖像處理方法、圖像處理程式及電腦可讀取媒體
US20140241423A1 (en) * 2011-11-04 2014-08-28 Huawei Technologies Co., Ltd. Image coding and decoding methods and apparatuses

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Publication number Publication date
CN117956155A (zh) 2024-04-30
TWI833620B (zh) 2024-02-21
KR20210100172A (ko) 2021-08-13
US20240163439A1 (en) 2024-05-16
US20240163441A1 (en) 2024-05-16
US20210377533A1 (en) 2021-12-02
CN117956154A (zh) 2024-04-30
EP3902256A4 (en) 2022-11-23
EP3902256A1 (en) 2021-10-27
CN117956153A (zh) 2024-04-30
TW202333497A (zh) 2023-08-16
CN117956152A (zh) 2024-04-30
JP2020098983A (ja) 2020-06-25
US20240171744A1 (en) 2024-05-23
CN113196759A (zh) 2021-07-30
US20240163442A1 (en) 2024-05-16
US11930178B2 (en) 2024-03-12
CN113196759B (zh) 2023-12-19
WO2020129498A1 (ja) 2020-06-25
JP2023139325A (ja) 2023-10-03
TW202029760A (zh) 2020-08-01
US20240163440A1 (en) 2024-05-16
CN117956156A (zh) 2024-04-30

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