CA3134199A1 - Coding tree unit size signaling - Google Patents

Coding tree unit size signaling Download PDF

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Publication number
CA3134199A1
CA3134199A1 CA3134199A CA3134199A CA3134199A1 CA 3134199 A1 CA3134199 A1 CA 3134199A1 CA 3134199 A CA3134199 A CA 3134199A CA 3134199 A CA3134199 A CA 3134199A CA 3134199 A1 CA3134199 A1 CA 3134199A1
Authority
CA
Canada
Prior art keywords
coding tree
tree unit
unit size
signaled
flag
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CA3134199A
Other languages
English (en)
French (fr)
Inventor
Yixin DU
Byeongdoo CHOI
Xiang Li
Xin Zhao
Stephan Wenger
Shan Liu
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Tencent America LLC
Original Assignee
Tencent America LLC
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Tencent America LLC filed Critical Tencent America LLC
Publication of CA3134199A1 publication Critical patent/CA3134199A1/en
Pending legal-status Critical Current

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Classifications

    • 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
    • H04N19/96Tree coding, e.g. quad-tree 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
    • H04N19/119Adaptive subdivision aspects, e.g. subdivision of a picture into rectangular or non-rectangular coding blocks
    • 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
    • H04N19/122Selection of transform size, e.g. 8x8 or 2x4x8 DCT; Selection of sub-band transforms of varying structure or type
    • 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
    • H04N19/134Methods 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
    • H04N19/146Data rate or code amount at the encoder output
    • 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
    • H04N19/17Methods 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
    • H04N19/176Methods 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
    • 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
    • H04N19/10Methods 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
    • H04N19/1883Methods 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]
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/46Embedding additional information in the video signal during the compression process
    • 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

Landscapes

  • 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)
  • Error Detection And Correction (AREA)
CA3134199A 2019-09-24 2020-09-22 Coding tree unit size signaling Pending CA3134199A1 (en)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US201962905339P 2019-09-24 2019-09-24
US62/905,339 2019-09-24
US17/024,246 US11606563B2 (en) 2019-09-24 2020-09-17 CTU size signaling
US17/024,246 2020-09-17
PCT/US2020/051975 WO2021061631A1 (en) 2019-09-24 2020-09-22 Coding tree unit size signaling

Publications (1)

Publication Number Publication Date
CA3134199A1 true CA3134199A1 (en) 2021-04-01

Family

ID=74881405

Family Applications (1)

Application Number Title Priority Date Filing Date
CA3134199A Pending CA3134199A1 (en) 2019-09-24 2020-09-22 Coding tree unit size signaling

Country Status (9)

Country Link
US (3) US11606563B2 (enExample)
EP (1) EP4035391A4 (enExample)
JP (4) JP7242895B2 (enExample)
KR (2) KR102714889B1 (enExample)
CN (2) CN113632487B (enExample)
AU (3) AU2020352930B2 (enExample)
CA (1) CA3134199A1 (enExample)
SG (1) SG11202110346SA (enExample)
WO (1) WO2021061631A1 (enExample)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN120881287A (zh) * 2020-02-21 2025-10-31 阿里巴巴(中国)有限公司 用信号通知最大变换大小和残差编码的方法
AU2020203330B2 (en) * 2020-05-21 2022-12-01 Canon Kabushiki Kaisha Method, apparatus and system for encoding and decoding a block of video samples

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2509319A4 (en) * 2009-12-01 2013-07-10 Humax Co Ltd METHOD AND DEVICE FOR CODING / DECODING HIGH-RESOLUTION PICTURES
EP3343908B1 (en) * 2011-11-25 2020-11-18 Maxell, Ltd. Image reception device
JP2014236264A (ja) * 2013-05-31 2014-12-15 ソニー株式会社 画像処理装置、画像処理方法及びプログラム
WO2016074147A1 (en) * 2014-11-11 2016-05-19 Mediatek Singapore Pte. Ltd. Separated coding tree for luma and chroma
BR112018015558A2 (pt) * 2016-02-11 2018-12-26 Thomson Licensing método e dispositivo para codificar/decodificar uma unidade de imagem que compreende dados de imagem representados por um canal de luminância e pelo menos um canal de crominância
RU2018131583A (ru) * 2016-12-26 2021-01-26 Нек Корпорейшн Способ кодирования видео, способ декодирования видео, устройство кодирования видео, устройство декодирования видео и программа
US20180367818A1 (en) * 2017-06-15 2018-12-20 Futurewei Technologies, Inc. Block Partition Structure in Video Compression
CN114402547B (zh) * 2019-09-13 2025-06-13 阿里巴巴集团控股有限公司 一种标识子块变换信息的方法和装置

Also Published As

Publication number Publication date
JP2024116338A (ja) 2024-08-27
EP4035391A4 (en) 2023-11-15
WO2021061631A1 (en) 2021-04-01
AU2020352930B2 (en) 2023-02-02
AU2023202525A1 (en) 2023-05-11
JP7506210B2 (ja) 2024-06-25
AU2025200475A1 (en) 2025-02-13
JP2025114787A (ja) 2025-08-05
US20210092401A1 (en) 2021-03-25
US11606563B2 (en) 2023-03-14
JP2022526172A (ja) 2022-05-23
JP7684008B2 (ja) 2025-05-27
AU2023202525B2 (en) 2024-10-31
US11876975B2 (en) 2024-01-16
AU2020352930A1 (en) 2021-10-14
KR20240148960A (ko) 2024-10-11
JP2023065676A (ja) 2023-05-12
US20230164325A1 (en) 2023-05-25
CN113632487B (zh) 2024-07-19
KR102714889B1 (ko) 2024-10-11
CN113632487A (zh) 2021-11-09
EP4035391A1 (en) 2022-08-03
CN118890494A (zh) 2024-11-01
KR20210133295A (ko) 2021-11-05
JP7242895B2 (ja) 2023-03-20
US20240089461A1 (en) 2024-03-14
US12244821B2 (en) 2025-03-04
SG11202110346SA (en) 2021-10-28

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