JP7267785B2 - 画像復号装置、画像復号方法、及びプログラム - Google Patents

画像復号装置、画像復号方法、及びプログラム Download PDF

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JP7267785B2
JP7267785B2 JP2019044275A JP2019044275A JP7267785B2 JP 7267785 B2 JP7267785 B2 JP 7267785B2 JP 2019044275 A JP2019044275 A JP 2019044275A JP 2019044275 A JP2019044275 A JP 2019044275A JP 7267785 B2 JP7267785 B2 JP 7267785B2
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quantization matrix
quantization
elements
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matrix
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JP2020150339A (ja
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真悟 志摩
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Canon Inc
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Canon Inc
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Priority to CN202311156237.4A priority patent/CN117156136A/zh
Priority to CN202311157428.2A priority patent/CN117041578A/zh
Priority to CN202311157422.5A priority patent/CN117041577A/zh
Priority to BR112021017977A priority patent/BR112021017977A2/pt
Priority to CN202311157426.3A priority patent/CN117097899A/zh
Priority to EP20770717.5A priority patent/EP3941055A4/en
Priority to CN202080020388.5A priority patent/CN113557726B/zh
Priority to KR1020217029969A priority patent/KR102787416B1/ko
Priority to CN202311157434.8A priority patent/CN117156137A/zh
Priority to PCT/JP2020/008359 priority patent/WO2020184223A1/ja
Priority to TW109107591A priority patent/TWI795635B/zh
Publication of JP2020150339A publication Critical patent/JP2020150339A/ja
Priority to US17/467,946 priority patent/US12075049B2/en
Publication of JP2020150339A5 publication Critical patent/JP2020150339A5/ja
Priority to JP2023067181A priority patent/JP7497486B2/ja
Publication of JP7267785B2 publication Critical patent/JP7267785B2/ja
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Priority to US18/775,417 priority patent/US12526415B2/en
Priority to US18/775,403 priority patent/US12615368B2/en
Priority to US18/775,448 priority patent/US12526416B2/en
Priority to US18/775,433 priority patent/US12519942B2/en
Priority to US18/775,390 priority patent/US12526414B2/en
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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
    • 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
    • H04N19/10—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
    • 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
    • H04N19/48—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using compressed domain processing techniques other than decoding, e.g. modification of transform coefficients, variable length coding [VLC] data or run-length data
    • 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
    • H04N19/60—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding
    • H04N19/61—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding in combination with predictive coding
    • 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
    • H04N19/60—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding
    • H04N19/61—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding in combination with predictive coding
    • H04N19/619—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding in combination with predictive coding the transform being operated outside the 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
    • H04N19/60—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding
    • H04N19/649—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding the transform being applied to non rectangular image segments

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
JP2019044275A 2019-03-11 2019-03-11 画像復号装置、画像復号方法、及びプログラム Active JP7267785B2 (ja)

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JP2019044275A JP7267785B2 (ja) 2019-03-11 2019-03-11 画像復号装置、画像復号方法、及びプログラム
CN202311157428.2A CN117041578A (zh) 2019-03-11 2020-02-28 图像解码设备和方法、图像编码设备和方法以及存储介质
CN202311157422.5A CN117041577A (zh) 2019-03-11 2020-02-28 图像解码设备和方法、图像编码设备和方法以及存储介质
BR112021017977A BR112021017977A2 (pt) 2019-03-11 2020-02-28 Aparelho de decodificação de imagem, método de decodificação de imagem, e meio de armazenamento legível por computador não transitório
CN202311157426.3A CN117097899A (zh) 2019-03-11 2020-02-28 图像解码设备和方法、图像编码设备和方法以及存储介质
EP20770717.5A EP3941055A4 (en) 2019-03-11 2020-02-28 PICTURE DECODER, PICTURE DECODING METHOD AND PROGRAM
CN202080020388.5A CN113557726B (zh) 2019-03-11 2020-02-28 图像解码设备和方法、图像编码设备和方法以及存储介质
KR1020217029969A KR102787416B1 (ko) 2019-03-11 2020-02-28 화상 복호 장치, 화상 복호 방법 및 프로그램
CN202311157434.8A CN117156137A (zh) 2019-03-11 2020-02-28 图像解码设备和方法、图像编码设备和方法以及存储介质
PCT/JP2020/008359 WO2020184223A1 (ja) 2019-03-11 2020-02-28 画像復号装置、画像復号方法、及びプログラム
CN202311156237.4A CN117156136A (zh) 2019-03-11 2020-02-28 图像解码设备和方法、图像编码设备和方法以及存储介质
TW109107591A TWI795635B (zh) 2019-03-11 2020-03-09 圖像解碼裝置、圖像解碼方法及程式
US17/467,946 US12075049B2 (en) 2019-03-11 2021-09-07 Image decoding apparatus, image decoding method, and storage medium
JP2023067181A JP7497486B2 (ja) 2019-03-11 2023-04-17 画像復号装置、画像復号方法、及びプログラム
US18/775,417 US12526415B2 (en) 2019-03-11 2024-07-17 Image decoding apparatus, image decoding method, and storage medium
US18/775,433 US12519942B2 (en) 2019-03-11 2024-07-17 Image decoding apparatus, image decoding method, and storage medium
US18/775,390 US12526414B2 (en) 2019-03-11 2024-07-17 Image decoding apparatus, image decoding method, and storage medium
US18/775,448 US12526416B2 (en) 2019-03-11 2024-07-17 Image decoding apparatus, image decoding method, and storage medium
US18/775,403 US12615368B2 (en) 2019-03-11 2024-07-17 Image decoding apparatus, image decoding method, and storage medium

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JP2023113858A (ja) * 2019-03-11 2023-08-16 キヤノン株式会社 画像復号装置、画像復号方法、及びプログラム
JP7497486B2 (ja) 2019-03-11 2024-06-10 キヤノン株式会社 画像復号装置、画像復号方法、及びプログラム
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JP7651616B2 (ja) 2019-03-11 2025-03-26 キヤノン株式会社 画像復号装置、画像復号方法、及びプログラム
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US12341996B2 (en) 2019-03-11 2025-06-24 Canon Kabushiki Kaisha Image decoding apparatus, image decoding method, and storage medium

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