JP7342261B2 - 符号化されたビデオビットストリームを復号化する方法、装置及びコンピュータプログラム - Google Patents

符号化されたビデオビットストリームを復号化する方法、装置及びコンピュータプログラム Download PDF

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JP7342261B2
JP7342261B2 JP2022526795A JP2022526795A JP7342261B2 JP 7342261 B2 JP7342261 B2 JP 7342261B2 JP 2022526795 A JP2022526795 A JP 2022526795A JP 2022526795 A JP2022526795 A JP 2022526795A JP 7342261 B2 JP7342261 B2 JP 7342261B2
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JP2022554416A (ja
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シン・ジャオ
セフン・ヤ
シャン・リュウ
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Tencent America LLC
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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
    • H04N19/60Methods 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
    • H04N19/10Methods 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
    • H04N19/12Selection from among a plurality of transforms or standards, e.g. selection between discrete cosine transform [DCT] and sub-band transform or selection between H.263 and H.264
    • 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
    • H04N19/169Methods 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
    • H04N19/186Methods 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 colour or a chrominance component
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/44Decoders specially adapted therefor, e.g. video decoders which are asymmetric with respect to the encoder
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/70Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by syntax aspects related to video coding, e.g. related to compression standards
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/90Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using coding techniques not provided for in groups H04N19/10-H04N19/85, e.g. fractals
    • H04N19/91Entropy coding, e.g. variable length coding [VLC] or arithmetic coding

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Discrete Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
JP2022526795A 2020-05-05 2020-11-02 符号化されたビデオビットストリームを復号化する方法、装置及びコンピュータプログラム Active JP7342261B2 (ja)

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JP2023140479A JP7536972B2 (ja) 2020-05-05 2023-08-30 ジョイント成分の二次変換
JP2024131004A JP7701527B2 (ja) 2020-05-05 2024-08-07 ジョイント成分の二次変換
JP2025103941A JP7849550B2 (ja) 2020-05-05 2025-06-19 ジョイント成分の二次変換

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US202063020280P 2020-05-05 2020-05-05
US63/020,280 2020-05-05
US17/072,606 2020-10-16
US17/072,606 US11616983B2 (en) 2020-05-05 2020-10-16 Joint component secondary transform
PCT/US2020/058537 WO2021225623A1 (en) 2020-05-05 2020-11-02 Joint component secondary transform

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JP2023140479A Active JP7536972B2 (ja) 2020-05-05 2023-08-30 ジョイント成分の二次変換
JP2024131004A Active JP7701527B2 (ja) 2020-05-05 2024-08-07 ジョイント成分の二次変換
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JP2025103941A Active JP7849550B2 (ja) 2020-05-05 2025-06-19 ジョイント成分の二次変換

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US (3) US11616983B2 (https=)
EP (1) EP4000264A4 (https=)
JP (4) JP7342261B2 (https=)
KR (2) KR20220038175A (https=)
CN (2) CN118870028A (https=)
WO (1) WO2021225623A1 (https=)

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Publication number Publication date
JP7701527B2 (ja) 2025-07-01
KR20260048361A (ko) 2026-04-09
EP4000264A4 (en) 2022-09-14
JP7849550B2 (ja) 2026-04-21
CN118870028A (zh) 2024-10-29
CN114375577A (zh) 2022-04-19
US20230156224A1 (en) 2023-05-18
JP2022554416A (ja) 2022-12-28
US20210352324A1 (en) 2021-11-11
KR20220038175A (ko) 2022-03-25
WO2021225623A1 (en) 2021-11-11
JP2023160884A (ja) 2023-11-02
US12149740B2 (en) 2024-11-19
US11616983B2 (en) 2023-03-28
JP2024152804A (ja) 2024-10-25
US20250039455A1 (en) 2025-01-30
CN114375577B (zh) 2024-06-28
JP2025126214A (ja) 2025-08-28
EP4000264A1 (en) 2022-05-25
JP7536972B2 (ja) 2024-08-20

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