CN117156137A - 图像解码设备和方法、图像编码设备和方法以及存储介质 - Google Patents

图像解码设备和方法、图像编码设备和方法以及存储介质 Download PDF

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Publication number
CN117156137A
CN117156137A CN202311157434.8A CN202311157434A CN117156137A CN 117156137 A CN117156137 A CN 117156137A CN 202311157434 A CN202311157434 A CN 202311157434A CN 117156137 A CN117156137 A CN 117156137A
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array
quantization matrix
elements
quantization
block
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志摩真悟
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Canon Inc
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Canon Inc
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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
    • H04N19/124Quantisation
    • 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
    • H04N19/124Quantisation
    • H04N19/126Details of normalisation or weighting functions, e.g. normalisation matrices or variable uniform quantisers
    • 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
    • H04N19/134Methods 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
    • 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
    • H04N19/18Methods 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
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/46Embedding additional information in the video signal during the compression process
    • H04N19/463Embedding additional information in the video signal during the compression process by compressing encoding parameters before transmission
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/48Methods 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
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/60Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding
    • H04N19/61Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding in combination with predictive coding
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/60Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding
    • H04N19/61Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding in combination with predictive coding
    • H04N19/619Methods 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
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/60Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding
    • H04N19/649Methods 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)
CN202311157434.8A 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 Pending CN117156137A (zh)

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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
JP2019-044275 2019-03-11
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
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

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CN202311157428.2A Pending 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
CN202311157426.3A Pending 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
CN202311157434.8A Pending 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
CN202080020388.5A Active 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
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CN202311157428.2A Pending 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
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US12075049B2 (en) 2024-08-27
US20240373018A1 (en) 2024-11-07
JP2020150339A (ja) 2020-09-17
KR20210125089A (ko) 2021-10-15
CN113557726A (zh) 2021-10-26
EP3941055A1 (en) 2022-01-19
US20240373017A1 (en) 2024-11-07
CN117041578A (zh) 2023-11-10
KR102787416B1 (ko) 2025-03-27
TW202034700A (zh) 2020-09-16
CN117041577A (zh) 2023-11-10
US20240373020A1 (en) 2024-11-07
WO2020184223A1 (ja) 2020-09-17
CN117097899A (zh) 2023-11-21
US20240373021A1 (en) 2024-11-07
US20220060707A1 (en) 2022-02-24
EP3941055A4 (en) 2022-12-14
BR112021017977A2 (pt) 2021-11-16
JP7497486B2 (ja) 2024-06-10
CN113557726B (zh) 2023-08-29
JP2023080359A (ja) 2023-06-08
CN117156136A (zh) 2023-12-01
US20240373019A1 (en) 2024-11-07
TWI795635B (zh) 2023-03-11
JP7267785B2 (ja) 2023-05-02

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