BR112019002856A2 - codificação intravídeo usando uma estrutura do tipo árvore desacoplada - Google Patents

codificação intravídeo usando uma estrutura do tipo árvore desacoplada

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Publication number
BR112019002856A2
BR112019002856A2 BR112019002856A BR112019002856A BR112019002856A2 BR 112019002856 A2 BR112019002856 A2 BR 112019002856A2 BR 112019002856 A BR112019002856 A BR 112019002856A BR 112019002856 A BR112019002856 A BR 112019002856A BR 112019002856 A2 BR112019002856 A2 BR 112019002856A2
Authority
BR
Brazil
Prior art keywords
candidate list
chroma block
dms
intravide
encoding
Prior art date
Application number
BR112019002856A
Other languages
English (en)
Inventor
Chen Jianle
Zhang Li
Karczewicz Marta
Chien Wei-Jung
Zhao Xin
Original Assignee
Qualcomm Inc
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Filing date
Publication date
Application filed by Qualcomm Inc filed Critical Qualcomm Inc
Publication of BR112019002856A2 publication Critical patent/BR112019002856A2/pt

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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
    • H04N19/102—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
    • H04N19/11—Selection of coding mode or of prediction mode among a plurality of spatial predictive coding modes
    • 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
    • H04N19/10—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
    • H04N19/46—Embedding additional information in the video signal during the compression process
    • H04N19/463—Embedding additional information in the video signal during the compression process by compressing encoding parameters before transmission
    • 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
    • H04N19/70—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

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • User Interface Of Digital Computer (AREA)

Abstract

o processamento de conjunto de circuitos de um dispositivo é configurado para determinar que uma pluralidade de modos derivados (dms) disponíveis para prever um bloco de luma de dados de vídeo também são disponíveis para prever um bloco de croma dos dados de vídeo, em que o bloco de croma corresponde ao bloco de luma, para formar uma lista de candidato de modos de previsão em relação ao bloco de croma, em que a lista de candidato inclui um ou mais dms dos múltiplos dms, para determinar a codificação do bloco de croma usando qualquer dm da lista de candidato. o conjunto de circuitos de processamento pode, com base na determinação da codificação do bloco de croma usando qualquer dm dos um ou mais dms da lista de candidato, codificar o dm selecionado que identifica um dm selecionado da lista de candidato a ser usada para codificar o bloco de croma. o conjunto de circuitos de processamento pode codificar o bloco de croma de acordo com o dm selecionado da lista de candidato.
BR112019002856A 2016-08-15 2017-08-15 codificação intravídeo usando uma estrutura do tipo árvore desacoplada BR112019002856A2 (pt)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US201662375383P 2016-08-15 2016-08-15
US201662404572P 2016-10-05 2016-10-05
US15/676,314 US10326986B2 (en) 2016-08-15 2017-08-14 Intra video coding using a decoupled tree structure
PCT/US2017/046956 WO2018035127A1 (en) 2016-08-15 2017-08-15 Intra video coding using a decoupled tree structure

Publications (1)

Publication Number Publication Date
BR112019002856A2 true BR112019002856A2 (pt) 2019-05-14

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
BR112019002856A BR112019002856A2 (pt) 2016-08-15 2017-08-15 codificação intravídeo usando uma estrutura do tipo árvore desacoplada

Country Status (9)

Country Link
US (1) US10326986B2 (pt)
EP (1) EP3497930A1 (pt)
JP (1) JP2019528025A (pt)
KR (1) KR20190033559A (pt)
CN (1) CN109565599B (pt)
BR (1) BR112019002856A2 (pt)
SG (1) SG11201900109SA (pt)
TW (1) TW201818720A (pt)
WO (1) WO2018035127A1 (pt)

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JP2019528025A (ja) 2019-10-03
US10326986B2 (en) 2019-06-18
WO2018035127A1 (en) 2018-02-22
EP3497930A1 (en) 2019-06-19
CN109565599B (zh) 2021-08-13
TW201818720A (zh) 2018-05-16
US20180048889A1 (en) 2018-02-15
SG11201900109SA (en) 2019-02-27
KR20190033559A (ko) 2019-03-29
CN109565599A (zh) 2019-04-02

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