CN113557725B - 图像解码设备、图像解码方法和存储介质 - Google Patents

图像解码设备、图像解码方法和存储介质 Download PDF

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CN113557725B
CN113557725B CN202080020010.5A CN202080020010A CN113557725B CN 113557725 B CN113557725 B CN 113557725B CN 202080020010 A CN202080020010 A CN 202080020010A CN 113557725 B CN113557725 B CN 113557725B
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array
block
quantization
quantization matrix
transform coefficients
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CN113557725A (zh
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志摩真悟
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Canon Inc
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Canon Inc
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Priority to CN202410357551.7A priority patent/CN118317081A/zh
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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
    • H04N19/119—Adaptive subdivision aspects, e.g. subdivision of a picture into rectangular or non-rectangular coding blocks
    • 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
    • H04N19/102—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
    • H04N19/132—Sampling, masking or truncation of coding units, e.g. adaptive resampling, frame skipping, frame interpolation or high-frequency transform coefficient masking
    • 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
    • H04N19/184—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 bits, e.g. of the compressed video stream
    • 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
    • H04N19/44—Decoders specially adapted therefor, e.g. video decoders which are asymmetric with respect to the encoder
    • 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
    • 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

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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)
CN202080020010.5A 2019-03-11 2020-02-28 图像解码设备、图像解码方法和存储介质 Active CN113557725B (zh)

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CN202410357560.6A CN118317082A (zh) 2019-03-11 2020-02-28 图像解码设备和图像解码方法
CN202410357558.9A CN118368422A (zh) 2019-03-11 2020-02-28 图像解码设备和图像解码方法
CN202410357561.0A CN118317083A (zh) 2019-03-11 2020-02-28 图像解码设备和图像解码方法
CN202410357551.7A CN118317081A (zh) 2019-03-11 2020-02-28 图像解码设备和图像解码方法
CN202410357565.9A CN118317084A (zh) 2019-03-11 2020-02-28 图像解码设备和图像解码方法

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JP2019044274A JP2020150338A (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
JP2019-044274 2019-03-11
PCT/JP2020/008422 WO2020184227A1 (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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CN202410357551.7A Division CN118317081A (zh) 2019-03-11 2020-02-28 图像解码设备和图像解码方法
CN202410357560.6A Division CN118317082A (zh) 2019-03-11 2020-02-28 图像解码设备和图像解码方法
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CN202410357561.0A Pending CN118317083A (zh) 2019-03-11 2020-02-28 图像解码设备和图像解码方法
CN202410357558.9A Pending CN118368422A (zh) 2019-03-11 2020-02-28 图像解码设备和图像解码方法
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CN202410357558.9A Pending CN118368422A (zh) 2019-03-11 2020-02-28 图像解码设备和图像解码方法
CN202410357565.9A Pending CN118317084A (zh) 2019-03-11 2020-02-28 图像解码设备和图像解码方法
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US20240214608A1 (en) 2024-06-27
JP2023113858A (ja) 2023-08-16
US12341995B2 (en) 2025-06-24
JP7819382B2 (ja) 2026-02-24
US12289473B2 (en) 2025-04-29
CN118317081A (zh) 2024-07-09
JP7651616B2 (ja) 2025-03-26
US12341996B2 (en) 2025-06-24
US20240214609A1 (en) 2024-06-27
CN118317084A (zh) 2024-07-09
KR102782533B1 (ko) 2025-03-18
TWI842282B (zh) 2024-05-11
US11962806B2 (en) 2024-04-16
CN118317083A (zh) 2024-07-09
TWI791959B (zh) 2023-02-11
US12309426B2 (en) 2025-05-20
KR20210126121A (ko) 2021-10-19
CN118368422A (zh) 2024-07-19
CN113557725A (zh) 2021-10-26
US20210409771A1 (en) 2021-12-30
EP3941054A4 (en) 2022-12-21
US12262056B2 (en) 2025-03-25
CN118317082A (zh) 2024-07-09
JP2020150338A (ja) 2020-09-17
US20240223810A1 (en) 2024-07-04
TW202041015A (zh) 2020-11-01
US20240223808A1 (en) 2024-07-04
JP2025074309A (ja) 2025-05-13
BR112021017975A2 (pt) 2021-11-16
WO2020184227A1 (ja) 2020-09-17
US20240223809A1 (en) 2024-07-04
EP3941054A1 (en) 2022-01-19
TW202318872A (zh) 2023-05-01

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