BR112018006627A2 - modo de mesclagem de cópias intrabloco e preenchimento de região de referência de ibc não disponível - Google Patents

modo de mesclagem de cópias intrabloco e preenchimento de região de referência de ibc não disponível

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Publication number
BR112018006627A2
BR112018006627A2 BR112018006627A BR112018006627A BR112018006627A2 BR 112018006627 A2 BR112018006627 A2 BR 112018006627A2 BR 112018006627 A BR112018006627 A BR 112018006627A BR 112018006627 A BR112018006627 A BR 112018006627A BR 112018006627 A2 BR112018006627 A2 BR 112018006627A2
Authority
BR
Brazil
Prior art keywords
merge candidate
available
motion vector
neighboring block
merge mode
Prior art date
Application number
BR112018006627A
Other languages
English (en)
Inventor
Hsieh Cheng-Teh
Rapaka Krishnakanth
Karczewicz Marta
Laxman Joshi Rajan
Seregin Vadim
Original Assignee
Qualcomm Inc
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.)
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Publication date
Application filed by Qualcomm Inc filed Critical Qualcomm Inc
Publication of BR112018006627A2 publication Critical patent/BR112018006627A2/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
    • H04N19/50—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
    • H04N19/503—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal prediction
    • H04N19/51—Motion estimation or motion compensation
    • H04N19/513—Processing of motion vectors
    • 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
    • H04N19/503—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal prediction
    • H04N19/51—Motion estimation or motion compensation
    • H04N19/523—Motion estimation or motion compensation with sub-pixel accuracy
    • 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
    • H04N19/105—Selection of the reference unit for prediction within a chosen coding or prediction mode, e.g. adaptive choice of position and number of pixels used for 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
    • H04N19/46—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
    • H04N19/10—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
    • H04N19/172—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 picture, frame or field
    • 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
    • H04N19/182—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 pixel
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
    • H04W88/02—Terminal devices

Landscapes

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

Abstract

um dispositivo para decodificação de dados de vídeo adiciona informações de movimento de um bloco vizinho de um bloco atual a uma lista de candidatos à mesclagem, em que as informações de movimento compreendem um vetor de movimento do bloco vizinho, e em que o vetor de movimento refere-se à imagem atual; receber um índice que indica um candidato à mesclagem a partir da lista de candidatos à mesclagem; e em resposta ao índice que indica o candidato à mesclagem correspondente às informações de movimento do bloco vizinho, prever o bloco atual usando um vetor de movimento de menor precisão que representa uma versão arredondada do vetor de movimento do bloco vizinho.
BR112018006627A 2015-10-02 2016-09-22 modo de mesclagem de cópias intrabloco e preenchimento de região de referência de ibc não disponível BR112018006627A2 (pt)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US201562236763P 2015-10-02 2015-10-02
US15/271,922 US10812822B2 (en) 2015-10-02 2016-09-21 Intra block copy merge mode and padding of unavailable IBC reference region
PCT/US2016/053112 WO2017058633A1 (en) 2015-10-02 2016-09-22 Intra block copy merge mode and padding of unavailable ibc reference region

Publications (1)

Publication Number Publication Date
BR112018006627A2 true BR112018006627A2 (pt) 2018-10-23

Family

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Family Applications (1)

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BR112018006627A BR112018006627A2 (pt) 2015-10-02 2016-09-22 modo de mesclagem de cópias intrabloco e preenchimento de região de referência de ibc não disponível

Country Status (9)

Country Link
US (1) US10812822B2 (pt)
EP (1) EP3357246A1 (pt)
JP (1) JP7211816B2 (pt)
KR (1) KR102295418B1 (pt)
CN (1) CN108141605B (pt)
AU (1) AU2016332326A1 (pt)
BR (1) BR112018006627A2 (pt)
TW (1) TWI719053B (pt)
WO (1) WO2017058633A1 (pt)

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CN108141605A (zh) 2018-06-08
JP2018530249A (ja) 2018-10-11
CN108141605B (zh) 2022-01-04
KR102295418B1 (ko) 2021-08-27
US20170099495A1 (en) 2017-04-06
JP7211816B2 (ja) 2023-01-24
TW201714455A (zh) 2017-04-16
WO2017058633A1 (en) 2017-04-06
KR20180063094A (ko) 2018-06-11

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