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MX2018009722A - Un metodo y dispositivo para codificacion/decodificacion intra-predictiva de una unidad de codificacion comprendiendo datos de imagen, tal codificacion intra-predictiva dependiente de un arbol de prediccion y un arbol de transformacion. - Google Patents

Un metodo y dispositivo para codificacion/decodificacion intra-predictiva de una unidad de codificacion comprendiendo datos de imagen, tal codificacion intra-predictiva dependiente de un arbol de prediccion y un arbol de transformacion.

Info

Publication number
MX2018009722A
MX2018009722A MX2018009722A MX2018009722A MX2018009722A MX 2018009722 A MX2018009722 A MX 2018009722A MX 2018009722 A MX2018009722 A MX 2018009722A MX 2018009722 A MX2018009722 A MX 2018009722A MX 2018009722 A MX2018009722 A MX 2018009722A
Authority
MX
Mexico
Prior art keywords
intra
predictive encoding
tree
coding unit
picture data
Prior art date
Application number
MX2018009722A
Other languages
English (en)
Inventor
LELEANNEC Fabrice
Poirier Tangi
Rath Gagan
Urban Fabrice
Original Assignee
Thomson Licensing
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 Thomson Licensing filed Critical Thomson Licensing
Publication of MX2018009722A publication Critical patent/MX2018009722A/es

Links

Classifications

    • 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
    • H04N19/103Selection of coding mode or of prediction mode
    • H04N19/107Selection of coding mode or of prediction mode between spatial and temporal predictive coding, e.g. picture refresh
    • 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
    • H04N19/129Scanning of coding units, e.g. zig-zag scan of transform coefficients or flexible macroblock ordering [FMO]
    • 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
    • H04N19/157Assigned coding mode, i.e. the coding mode being predefined or preselected to be further used for selection of another element or parameter
    • H04N19/159Prediction type, e.g. intra-frame, inter-frame or bidirectional frame prediction
    • 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
    • H04N19/42Methods 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
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/50Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
    • H04N19/593Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving spatial prediction techniques
    • 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

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)

Abstract

Los presentes principios se refieren a un método para codificación intra-predictiva de una unidad de codificación comprendiendo datos de imagen, dicha codificación intra-predictiva dependiente de un árbol de predicción y un árbol de Transformación, caracterizado porque el método comprende además: -obtener dicho árbol de predicción particionando espacialmente la unidad de codificación de acuerdo con un tipo de división no cuadrado; -determinar dicho árbol de Transformación de tal unidad de codificación con el fin de que cada una de las hojas esté incorporada en una unidad única de dicho árbol de predicción obtenida; y -señalizar en una señal el tamaño de las hojas de dicho árbol de Transformación y dicho un tipo de partición no cuadrada.
MX2018009722A 2016-02-12 2017-02-03 Un metodo y dispositivo para codificacion/decodificacion intra-predictiva de una unidad de codificacion comprendiendo datos de imagen, tal codificacion intra-predictiva dependiente de un arbol de prediccion y un arbol de transformacion. MX2018009722A (es)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
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
MX2018009722A true MX2018009722A (es) 2019-01-24

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MX2018009722A MX2018009722A (es) 2016-02-12 2017-02-03 Un metodo y dispositivo para codificacion/decodificacion intra-predictiva de una unidad de codificacion comprendiendo datos de imagen, tal codificacion intra-predictiva dependiente de un arbol de prediccion y un arbol de transformacion.

Country Status (11)

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

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Also Published As

Publication number Publication date
CA3014259A1 (en) 2017-08-17
US20190052881A1 (en) 2019-02-14
CN108702508A (zh) 2018-10-23
US12341963B2 (en) 2025-06-24
JP2019511153A (ja) 2019-04-18
TW201740731A (zh) 2017-11-16
WO2017137312A1 (en) 2017-08-17
US11778190B2 (en) 2023-10-03
RU2018132266A (ru) 2020-03-12
JP7558345B2 (ja) 2024-09-30
CN108702508B (zh) 2023-04-11
RU2018132266A3 (es) 2020-06-01
JP2022065033A (ja) 2022-04-26
JP2023139081A (ja) 2023-10-03
JP7023236B2 (ja) 2022-02-21
KR102897968B1 (ko) 2025-12-09
EP3414902A1 (en) 2018-12-19
US20230412810A1 (en) 2023-12-21
KR20180109927A (ko) 2018-10-08
BR112018015266A2 (pt) 2018-12-18
CN116389729A (zh) 2023-07-04
KR20250174733A (ko) 2025-12-12

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