CN114641995A - 对编码树单元进行编码和解码的方法、设备和系统 - Google Patents

对编码树单元进行编码和解码的方法、设备和系统 Download PDF

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CN114641995A
CN114641995A CN202080077013.2A CN202080077013A CN114641995A CN 114641995 A CN114641995 A CN 114641995A CN 202080077013 A CN202080077013 A CN 202080077013A CN 114641995 A CN114641995 A CN 114641995A
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transform
chroma
coding unit
luma
block
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Chinese (zh)
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克里斯托弗·詹姆斯·罗斯沃恩
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Canon Inc
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Canon Inc
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Priority to CN202410614556.3A priority Critical patent/CN118573880A/zh
Priority to CN202410614551.0A priority patent/CN118573879A/zh
Priority to CN202410614558.2A priority patent/CN118573881A/zh
Publication of CN114641995A publication Critical patent/CN114641995A/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
    • H04N19/119—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
    • H04N19/169—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
    • H04N19/186—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 colour or a chrominance component
    • 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
    • H04N19/102—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
    • H04N19/129—Scanning of coding units, e.g. zig-zag scan of transform coefficients or flexible macroblock ordering [FMO]
    • 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
    • H04N19/12—Selection 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
    • 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
    • H04N19/12—Selection 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
    • H04N19/122—Selection of transform size, e.g. 8x8 or 2x4x8 DCT; Selection of sub-band transforms of varying structure or type
    • 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
    • H04N19/1883—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 relating to sub-band structure, e.g. hierarchical level, directional tree, e.g. low-high [LH], high-low [HL], high-high [HH]
    • 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
    • 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
    • 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
    • H04N19/70—Methods 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
    • 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
    • H04N19/90—Methods 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
    • H04N19/96—Tree coding, e.g. quad-tree 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
    • H04N19/10—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

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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)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
CN202080077013.2A 2019-12-03 2020-11-04 对编码树单元进行编码和解码的方法、设备和系统 Pending CN114641995A (zh)

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CN202410614556.3A CN118573880A (zh) 2019-12-03 2020-11-04 对编码单元进行编码和解码的方法、设备和存储介质
CN202410614551.0A CN118573879A (zh) 2019-12-03 2020-11-04 对编码单元进行编码和解码的方法、设备和存储介质
CN202410614558.2A CN118573881A (zh) 2019-12-03 2020-11-04 对编码单元进行编码和解码的方法、设备和存储介质

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AU2019275553 2019-12-03
AU2019275553A AU2019275553B2 (en) 2019-12-03 2019-12-03 Method, apparatus and system for encoding and decoding a coding tree unit
PCT/AU2020/051201 WO2021108834A1 (en) 2019-12-03 2020-11-04 Method, apparatus and system for encoding and decoding a coding tree unit

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CN202410614551.0A Division CN118573879A (zh) 2019-12-03 2020-11-04 对编码单元进行编码和解码的方法、设备和存储介质
CN202410614558.2A Division CN118573881A (zh) 2019-12-03 2020-11-04 对编码单元进行编码和解码的方法、设备和存储介质

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WO2024222411A1 (en) * 2023-04-28 2024-10-31 Mediatek Inc. Entropy coding transform blocks

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CN114930848B (zh) * 2019-11-13 2025-08-05 Lg电子株式会社 基于变换的图像编码方法及其设备
CN114762327B (zh) * 2019-12-12 2025-06-17 索尼集团公司 图像处理装置和方法
KR20220097513A (ko) * 2019-12-29 2022-07-07 엘지전자 주식회사 변환에 기반한 영상 코딩 방법 및 그 장치
CN115066904B (zh) * 2020-01-10 2025-09-16 Lg电子株式会社 基于变换的图像编译方法及其装置
US20220150518A1 (en) * 2020-11-11 2022-05-12 Tencent America LLC Method and apparatus for video coding
KR20230056769A (ko) * 2021-08-30 2023-04-27 텐센트 아메리카 엘엘씨 적응적 커널 옵션을 갖는 2차 변환 방법 및 장치
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WO2024222411A1 (en) * 2023-04-28 2024-10-31 Mediatek Inc. Entropy coding transform blocks

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JP2025157333A (ja) 2025-10-15
US12075058B2 (en) 2024-08-27
TW202139695A (zh) 2021-10-16
US20230037302A1 (en) 2023-02-09
TWI821610B (zh) 2023-11-11
CN118573881A (zh) 2024-08-30
WO2021108834A1 (en) 2021-06-10
CN118573879A (zh) 2024-08-30
US20240373028A1 (en) 2024-11-07
JP2023504332A (ja) 2023-02-03
JP2024026317A (ja) 2024-02-28
AU2019275553A1 (en) 2021-06-17
CN118573880A (zh) 2024-08-30
JP7712997B2 (ja) 2025-07-24
AU2019275553B2 (en) 2022-10-06
AU2022228209A1 (en) 2022-10-06
AU2022228209B2 (en) 2024-08-15

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