CN117156136A - 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
CN117156136A
CN117156136A CN202311156237.4A CN202311156237A CN117156136A CN 117156136 A CN117156136 A CN 117156136A CN 202311156237 A CN202311156237 A CN 202311156237A CN 117156136 A CN117156136 A CN 117156136A
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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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    • 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
    • H04N19/169—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
    • H04N19/134—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
    • H04N19/18—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)
CN202311156237.4A 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 CN117156136A (zh)

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JP2019-044275 2019-03-11
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
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
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

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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
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
CN202311157422.5A Pending 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
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
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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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
CN202311157422.5A Pending 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
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
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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KR (1) KR102787416B1 (enExample)
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US12075049B2 (en) 2024-08-27
BR112021017977A2 (pt) 2021-11-16
US20240373017A1 (en) 2024-11-07
EP3941055A4 (en) 2022-12-14
US20240373021A1 (en) 2024-11-07
JP2020150339A (ja) 2020-09-17
KR20210125089A (ko) 2021-10-15
KR102787416B1 (ko) 2025-03-27
CN117041577A (zh) 2023-11-10
US20240373018A1 (en) 2024-11-07
CN113557726B (zh) 2023-08-29
TWI795635B (zh) 2023-03-11
US20220060707A1 (en) 2022-02-24
JP2023080359A (ja) 2023-06-08
US20240373019A1 (en) 2024-11-07
JP7497486B2 (ja) 2024-06-10
TW202034700A (zh) 2020-09-16
JP7267785B2 (ja) 2023-05-02
CN117097899A (zh) 2023-11-21
CN117041578A (zh) 2023-11-10
EP3941055A1 (en) 2022-01-19
US20240373020A1 (en) 2024-11-07
CN117156137A (zh) 2023-12-01
WO2020184223A1 (ja) 2020-09-17
CN113557726A (zh) 2021-10-26

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