CN118573883A - 对编码单元进行编码和解码的方法、设备和存储介质 - Google Patents

对编码单元进行编码和解码的方法、设备和存储介质 Download PDF

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Publication number
CN118573883A
CN118573883A CN202410614566.7A CN202410614566A CN118573883A CN 118573883 A CN118573883 A CN 118573883A CN 202410614566 A CN202410614566 A CN 202410614566A CN 118573883 A CN118573883 A CN 118573883A
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China
Prior art keywords
transform
unit
component
coding
chroma
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Pending
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CN202410614566.7A
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English (en)
Chinese (zh)
Inventor
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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Publication of CN118573883A publication Critical patent/CN118573883A/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
    • H04N19/169—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
    • H04N19/102—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
    • H04N19/12—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
    • H04N19/102—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
    • H04N19/169—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
    • 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)
CN202410614566.7A 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 Pending CN118573883A (zh)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
AU2019275552A AU2019275552B2 (en) 2019-12-03 2019-12-03 Method, apparatus and system for encoding and decoding a coding tree unit
AU2019275552 2019-12-03
CN202080077050.3A CN114667731A (zh) 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
PCT/AU2020/051200 WO2021108833A1 (en) 2019-12-03 2020-11-04 Method, apparatus and system for encoding and decoding a coding tree unit

Related Parent Applications (1)

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CN202080077050.3A Division CN114667731A (zh) 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

Publications (1)

Publication Number Publication Date
CN118573883A true CN118573883A (zh) 2024-08-30

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CN202410614566.7A Pending CN118573883A (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
CN202080077050.3A Pending CN114667731A (zh) 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
CN202410614571.8A Pending CN118573884A (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
CN202410614560.XA Pending CN118573882A (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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CN202410614571.8A Pending CN118573884A (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
CN202410614560.XA Pending CN118573882A (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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US (1) US20220394311A1 (enExample)
JP (2) JP2023504333A (enExample)
CN (4) CN118573883A (enExample)
AU (2) AU2019275552B2 (enExample)
TW (1) TWI784345B (enExample)
WO (1) WO2021108833A1 (enExample)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US12200229B2 (en) * 2019-11-13 2025-01-14 Lg Electronics Inc. Transform-based image coding method and device therefor
AU2019275553B2 (en) * 2019-12-03 2022-10-06 Canon Kabushiki Kaisha Method, apparatus and system for encoding and decoding a coding tree unit
CN114762327B (zh) * 2019-12-12 2025-06-17 索尼集团公司 图像处理装置和方法
JP7499665B2 (ja) 2020-09-29 2024-06-14 Kddi株式会社 点群復号装置、点群復号方法及びプログラム
US12316866B2 (en) 2021-06-17 2025-05-27 Tencent America LLC Skip transform flag coding
CN116458159A (zh) * 2021-06-17 2023-07-18 腾讯美国有限责任公司 跳过变换标志编码

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU2012232992A1 (en) * 2012-09-28 2014-04-17 Canon Kabushiki Kaisha Method, apparatus and system for encoding and decoding the transform units of a coding unit
CN104782125B (zh) * 2012-11-08 2019-03-15 佳能株式会社 对编码单位的变换单位编码和解码的方法、设备和系统
US10708164B2 (en) * 2016-05-03 2020-07-07 Qualcomm Incorporated Binarizing secondary transform index
US10931947B2 (en) * 2016-05-04 2021-02-23 Sharp Kabushiki Kaisha Systems and methods for coding transform data
EP3454559A4 (en) * 2016-05-13 2019-03-13 Sony Corporation IMAGE PROCESSING APPARATUS AND METHOD
KR20190090865A (ko) * 2017-01-03 2019-08-02 엘지전자 주식회사 영상 처리 방법 및 이를 위한 장치
KR20190067732A (ko) * 2017-12-07 2019-06-17 한국전자통신연구원 채널들 간의 선택적인 정보 공유를 사용하는 부호화 및 복호화를 위한 방법 및 장치
WO2019112394A1 (ko) * 2017-12-07 2019-06-13 한국전자통신연구원 채널들 간의 선택적인 정보 공유를 사용하는 부호화 및 복호화를 위한 방법 및 장치
CN116866600A (zh) * 2017-12-15 2023-10-10 Lg电子株式会社 视频编解码方法、存储介质和数据发送方法
US10491914B2 (en) * 2018-03-29 2019-11-26 Tencent America LLC Transform information prediction
US11039139B2 (en) * 2018-09-14 2021-06-15 Tencent America LLC Method and apparatus for identity transform in multiple transform selection
US12200229B2 (en) * 2019-11-13 2025-01-14 Lg Electronics Inc. Transform-based image coding method and device therefor
CN114731443A (zh) * 2019-11-22 2022-07-08 索尼集团公司 图像处理装置和方法

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Publication number Publication date
CN114667731A (zh) 2022-06-24
AU2022228215A1 (en) 2022-10-06
TWI784345B (zh) 2022-11-21
JP2024056945A (ja) 2024-04-23
JP7755673B2 (ja) 2025-10-16
TW202123708A (zh) 2021-06-16
AU2022228215B2 (en) 2024-08-15
AU2019275552B2 (en) 2022-10-13
US20220394311A1 (en) 2022-12-08
CN118573884A (zh) 2024-08-30
WO2021108833A1 (en) 2021-06-10
JP2023504333A (ja) 2023-02-03
AU2019275552A1 (en) 2021-06-17
CN118573882A (zh) 2024-08-30

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