CA3014259A1 - A method and device for intra-predictive encoding/decoding a coding unit comprising picture data, said intra-predictive encoding depending on a prediction tree and a transform tree - Google Patents

A method and device for intra-predictive encoding/decoding a coding unit comprising picture data, said intra-predictive encoding depending on a prediction tree and a transform tree Download PDF

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Publication number
CA3014259A1
CA3014259A1 CA3014259A CA3014259A CA3014259A1 CA 3014259 A1 CA3014259 A1 CA 3014259A1 CA 3014259 A CA3014259 A CA 3014259A CA 3014259 A CA3014259 A CA 3014259A CA 3014259 A1 CA3014259 A1 CA 3014259A1
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CA
Canada
Prior art keywords
tree
intra
leaves
transform tree
transform
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.)
Abandoned
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CA3014259A
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English (en)
French (fr)
Inventor
Fabrice Leleannec
Tangi POIRIER
Gagan Rath
Fabrice Urban
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Thomson Licensing SAS
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Thomson Licensing SAS
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Filing date
Publication date
Application filed by Thomson Licensing SAS filed Critical Thomson Licensing SAS
Publication of CA3014259A1 publication Critical patent/CA3014259A1/en
Abandoned legal-status Critical Current

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Classifications

    • 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
    • H04N19/103—Selection of coding mode or of prediction mode
    • H04N19/107—Selection of coding mode or of prediction mode between spatial and temporal predictive coding, e.g. picture refresh
    • 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
    • H04N19/119—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
    • H04N19/134—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
    • H04N19/157—Assigned coding mode, i.e. the coding mode being predefined or preselected to be further used for selection of another element or parameter
    • H04N19/159—Prediction type, e.g. intra-frame, inter-frame or bidirectional frame prediction
    • 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
    • H04N19/17—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 an image region, e.g. an object
    • H04N19/176—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 an image region, e.g. an object the region being a block, e.g. a macroblock
    • 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
    • H04N19/42—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by implementation details or hardware specially adapted for video compression or decompression, e.g. dedicated software implementation
    • 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
    • H04N19/50—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
    • H04N19/593—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving spatial prediction techniques
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
CA3014259A 2016-02-12 2017-02-03 A method and device for intra-predictive encoding/decoding a coding unit comprising picture data, said intra-predictive encoding depending on a prediction tree and a transform tree Abandoned CA3014259A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP16305160.0 2016-02-12
EP16305160 2016-02-12
PCT/EP2017/052322 WO2017137312A1 (en) 2016-02-12 2017-02-03 A method and device for intra-predictive encoding/decoding a coding unit comprising picture data, said intra-predictive encoding depending on a prediction tree and a transform tree

Publications (1)

Publication Number Publication Date
CA3014259A1 true CA3014259A1 (en) 2017-08-17

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
CA3014259A Abandoned CA3014259A1 (en) 2016-02-12 2017-02-03 A method and device for intra-predictive encoding/decoding a coding unit comprising picture data, said intra-predictive encoding depending on a prediction tree and a transform tree

Country Status (11)

Country Link
US (2) US11778190B2 (https=)
EP (1) EP3414902A1 (https=)
JP (3) JP7023236B2 (https=)
KR (2) KR102897968B1 (https=)
CN (2) CN116389729A (https=)
BR (1) BR112018015266A2 (https=)
CA (1) CA3014259A1 (https=)
MX (1) MX2018009722A (https=)
RU (1) RU2018132266A (https=)
TW (1) TW201740731A (https=)
WO (1) WO2017137312A1 (https=)

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AU2018217333B2 (en) 2018-08-17 2025-04-24 Canon Kabushiki Kaisha Method, apparatus and system for encoding and decoding a transformed block of video samples
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WO2021256887A1 (ko) * 2020-06-18 2021-12-23 엘지전자 주식회사 포인트 클라우드 데이터 전송 장치, 포인트 클라우드 데이터 전송 방법, 포인트 클라우드 데이터 수신 장치 및 포인트 클라우드 데이터 수신 방법

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Also Published As

Publication number Publication date
JP2019511153A (ja) 2019-04-18
KR102897968B1 (ko) 2025-12-09
BR112018015266A2 (pt) 2018-12-18
US20190052881A1 (en) 2019-02-14
KR20180109927A (ko) 2018-10-08
TW201740731A (zh) 2017-11-16
CN108702508A (zh) 2018-10-23
JP2023139081A (ja) 2023-10-03
MX2018009722A (es) 2019-01-24
US12341963B2 (en) 2025-06-24
KR20250174733A (ko) 2025-12-12
JP2022065033A (ja) 2022-04-26
EP3414902A1 (en) 2018-12-19
JP7558345B2 (ja) 2024-09-30
US11778190B2 (en) 2023-10-03
US20230412810A1 (en) 2023-12-21
CN116389729A (zh) 2023-07-04
RU2018132266A (ru) 2020-03-12
JP7023236B2 (ja) 2022-02-21
WO2017137312A1 (en) 2017-08-17
CN108702508B (zh) 2023-04-11
RU2018132266A3 (https=) 2020-06-01

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Effective date: 20220803