AU2019275553B2 - Method, apparatus and system for encoding and decoding a coding tree unit - Google Patents

Method, apparatus and system for encoding and decoding a coding tree unit Download PDF

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Publication number
AU2019275553B2
AU2019275553B2 AU2019275553A AU2019275553A AU2019275553B2 AU 2019275553 B2 AU2019275553 B2 AU 2019275553B2 AU 2019275553 A AU2019275553 A AU 2019275553A AU 2019275553 A AU2019275553 A AU 2019275553A AU 2019275553 B2 AU2019275553 B2 AU 2019275553B2
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transform
chroma
lfnst
luma
coding
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AU2019275553A
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AU2019275553A1 (en
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Christopher James ROSEWARNE
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Canon Inc
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Canon Inc
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Priority to AU2019275553A priority Critical patent/AU2019275553B2/en
Application filed by Canon Inc filed Critical Canon Inc
Priority to JP2022508943A priority patent/JP2023504332A/ja
Priority to CN202410614551.0A priority patent/CN118573879A/zh
Priority to CN202410614556.3A priority patent/CN118573880A/zh
Priority to PCT/AU2020/051201 priority patent/WO2021108834A1/en
Priority to US17/772,483 priority patent/US12075058B2/en
Priority to CN202410614558.2A priority patent/CN118573881A/zh
Priority to CN202080077013.2A priority patent/CN114641995A/zh
Priority to TW109139337A priority patent/TWI821610B/zh
Publication of AU2019275553A1 publication Critical patent/AU2019275553A1/en
Priority to AU2022228209A priority patent/AU2022228209B2/en
Application granted granted Critical
Publication of AU2019275553B2 publication Critical patent/AU2019275553B2/en
Priority to JP2023207167A priority patent/JP7712997B2/ja
Priority to US18/773,961 priority patent/US20240373028A1/en
Priority to JP2025116026A priority patent/JP2025157333A/ja
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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
    • H04N19/134—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
    • H04N19/186—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
    • H04N19/169—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
    • H04N19/10—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
    • H04N19/18—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
    • H04N19/90—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

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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)
AU2019275553A 2019-12-03 2019-12-03 Method, apparatus and system for encoding and decoding a coding tree unit Active AU2019275553B2 (en)

Priority Applications (13)

Application Number Priority Date Filing Date Title
AU2019275553A AU2019275553B2 (en) 2019-12-03 2019-12-03 Method, apparatus and system for encoding and decoding a coding tree unit
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
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
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
PCT/AU2020/051201 WO2021108834A1 (en) 2019-12-03 2020-11-04 Method, apparatus and system for encoding and decoding a coding tree unit
US17/772,483 US12075058B2 (en) 2019-12-03 2020-11-04 Method, apparatus and system for encoding and decoding a coding tree unit
JP2022508943A JP2023504332A (ja) 2019-12-03 2020-11-04 符号化ツリーユニットを符号化および復号化するための方法、装置およびシステム
CN202080077013.2A CN114641995A (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
TW109139337A TWI821610B (zh) 2019-12-03 2020-11-11 用於將編碼樹單元編碼與解碼的方法、設備及系統
AU2022228209A AU2022228209B2 (en) 2019-12-03 2022-09-09 Method, apparatus and system for encoding and decoding a coding tree unit
JP2023207167A JP7712997B2 (ja) 2019-12-03 2023-12-07 符号化ユニットを復号および符号化する方法、装置およびプログラム
US18/773,961 US20240373028A1 (en) 2019-12-03 2024-07-16 Method, apparatus and system for encoding and decoding a coding tree unit
JP2025116026A JP2025157333A (ja) 2019-12-03 2025-07-09 符号化ユニットを復号および符号化する方法、装置およびプログラム

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AU2019275553A AU2019275553B2 (en) 2019-12-03 2019-12-03 Method, apparatus and system for encoding and decoding a coding tree unit

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AU2019275553A1 AU2019275553A1 (en) 2021-06-17
AU2019275553B2 true AU2019275553B2 (en) 2022-10-06

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AU2022228209A Active AU2022228209B2 (en) 2019-12-03 2022-09-09 Method, apparatus and system for encoding and decoding a coding tree unit

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US (2) US12075058B2 (https=)
JP (3) JP2023504332A (https=)
CN (4) CN114641995A (https=)
AU (2) AU2019275553B2 (https=)
TW (1) TWI821610B (https=)
WO (1) WO2021108834A1 (https=)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11949873B2 (en) * 2019-11-11 2024-04-02 Lg Electronics Inc. Image coding method based on transform, and device therefor
KR20220066350A (ko) * 2019-11-13 2022-05-24 엘지전자 주식회사 변환에 기반한 영상 코딩 방법 및 그 장치
KR20220113369A (ko) * 2019-12-12 2022-08-12 소니그룹주식회사 화상 처리 장치 및 방법
US12368854B2 (en) * 2019-12-29 2025-07-22 Lg Electronics Inc. Transform-based image coding method and device for same
KR20220097519A (ko) * 2020-01-10 2022-07-07 엘지전자 주식회사 변환에 기반한 영상 코딩 방법 및 그 장치
US20220150518A1 (en) * 2020-11-11 2022-05-12 Tencent America LLC Method and apparatus for video coding
US11991360B2 (en) * 2021-08-30 2024-05-21 Tencent America LLC Method and apparatus for secondary transform with adaptive kernel options
US11930177B2 (en) 2021-10-29 2024-03-12 Tencent America LLC Primary transforms for cross-component level reconstruction
CN115834910A (zh) * 2022-11-24 2023-03-21 北京奇艺世纪科技有限公司 一种视频编码和解码方法、装置、电子设备及存储介质
CN118338006B (zh) * 2023-01-11 2026-02-24 维沃移动通信有限公司 变换系数编码方法、变换系数解码方法及终端
CN121002860A (zh) * 2023-04-28 2025-11-21 联发科技股份有限公司 熵编解码变换块
CN116915858A (zh) * 2023-08-10 2023-10-20 东南大学 雾无线接入网中基于差分拆分的协作编码缓存方法

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20190306521A1 (en) * 2018-03-29 2019-10-03 Tencent America LLC Transform information prediction

Family Cites Families (12)

* 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
MX392688B (es) * 2016-05-13 2025-03-24 Sony Corp Aparato y metodo de procesamiento de imagenes.
CA3288654A1 (en) 2017-01-03 2025-11-29 Guangdong Oppo Mobile Telecommunications Corp., Ltd. Image processing method and apparatus therefor
WO2019112394A1 (ko) * 2017-12-07 2019-06-13 한국전자통신연구원 채널들 간의 선택적인 정보 공유를 사용하는 부호화 및 복호화를 위한 방법 및 장치
CN120455655A (zh) 2017-12-07 2025-08-08 韩国电子通信研究院 用于使用通道之间的选择性信息共享进行编码和解码的方法和设备
JP2021523627A (ja) 2018-05-10 2021-09-02 サムスン エレクトロニクス カンパニー リミテッド 映像の符号化及び復号のための映像の分割方法及びその装置
TWI814889B (zh) 2018-08-16 2023-09-11 大陸商北京字節跳動網絡技術有限公司 變換矩陣選擇的係數相關的編解碼
US11039139B2 (en) 2018-09-14 2021-06-15 Tencent America LLC Method and apparatus for identity transform in multiple transform selection
KR20220066350A (ko) * 2019-11-13 2022-05-24 엘지전자 주식회사 변환에 기반한 영상 코딩 방법 및 그 장치
CA3220041C (en) 2019-11-13 2025-11-18 Lg Electronics Inc. IMAGE CODING METHOD BASED ON A TRANSFORM AND ASSOCIATED DEVICE
BR112022009295A2 (pt) * 2019-11-13 2022-08-09 Lg Electronics Inc Método de codificação de imagem baseado em transformada e dispositivo para o mesmo
AU2019275552B2 (en) * 2019-12-03 2022-10-13 Canon Kabushiki Kaisha Method, apparatus and system for encoding and decoding a coding tree unit

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20190306521A1 (en) * 2018-03-29 2019-10-03 Tencent America LLC Transform information prediction

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Publication number Publication date
CN118573880A (zh) 2024-08-30
CN118573879A (zh) 2024-08-30
CN114641995A (zh) 2022-06-17
JP2025157333A (ja) 2025-10-15
JP7712997B2 (ja) 2025-07-24
AU2019275553A1 (en) 2021-06-17
TWI821610B (zh) 2023-11-11
US20240373028A1 (en) 2024-11-07
JP2024026317A (ja) 2024-02-28
WO2021108834A1 (en) 2021-06-10
CN118573881A (zh) 2024-08-30
AU2022228209B2 (en) 2024-08-15
JP2023504332A (ja) 2023-02-03
US20230037302A1 (en) 2023-02-09
TW202139695A (zh) 2021-10-16
US12075058B2 (en) 2024-08-27
AU2022228209A1 (en) 2022-10-06

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