BR112016017201A8 - Método e equipamento para precisão adaptativa de vetor de movimento. - Google Patents

Método e equipamento para precisão adaptativa de vetor de movimento.

Info

Publication number
BR112016017201A8
BR112016017201A8 BR112016017201A BR112016017201A BR112016017201A8 BR 112016017201 A8 BR112016017201 A8 BR 112016017201A8 BR 112016017201 A BR112016017201 A BR 112016017201A BR 112016017201 A BR112016017201 A BR 112016017201A BR 112016017201 A8 BR112016017201 A8 BR 112016017201A8
Authority
BR
Brazil
Prior art keywords
precision
current
adaptive
current block
equipment
Prior art date
Application number
BR112016017201A
Other languages
English (en)
Other versions
BR112016017201A2 (pt
BR112016017201B1 (pt
Inventor
Chen Ching-Yeh
Chuang Tzu-Der
Original Assignee
Mediatek Inc
Hfi Innovation 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.)
Filing date
Publication date
Application filed by Mediatek Inc, Hfi Innovation Inc filed Critical Mediatek Inc
Publication of BR112016017201A2 publication Critical patent/BR112016017201A2/pt
Publication of BR112016017201A8 publication Critical patent/BR112016017201A8/pt
Publication of BR112016017201B1 publication Critical patent/BR112016017201B1/pt

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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
    • H04N19/169—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
    • H04N19/102—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
    • 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
    • H04N19/10—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
    • 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
    • H04N19/46—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
    • H04N19/50—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

Landscapes

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

Abstract

MÉTODO E EQUIPAMENTO PARA PRECISÃO ADAPTATIVA DE VETOR DE MOVIMENTO É revelado um método para precisão adaptativa de MV. De acordo com uma modalidade, a decisão de usar ou não usar a precisão adaptativa de MV para o bloco corrente é determinada de acordo com um modo de predição/tipo de partição do bloco corrente. Se é usada a precisão adaptativa de MV, é determinada uma precisão de MV corrente para um MV corrente do bloco corrente, e o MV corrente é codificado ou decodificado com a precisão de MV corrente. Se não é usada a precisão adaptativa de MV, o MV corrente é codificado ou decodificado com uma precisão de MV mais fina. Em outra modalidade, é selecionado um valor de sinalizador de precisão adaptativa de MV corrente para um bloco corrente para indicar quando utilizar ou não utilizar a precisão adaptativa de MV para um bloco corrente de acordo com um modo de predição/tipo de partição do bloco corrente.
BR112016017201-9A 2014-01-29 2015-01-29 Método de codificação e decodificação para precisão adaptativa de vetor de movimento de um bloco de dados de vídeo BR112016017201B1 (pt)

Applications Claiming Priority (9)

Application Number Priority Date Filing Date Title
US201461932832P 2014-01-29 2014-01-29
US61/932,832 2014-01-29
US201461952917P 2014-03-14 2014-03-14
US61/952,917 2014-03-14
US201461954171P 2014-03-17 2014-03-17
US61/954,171 2014-03-17
US201461955464P 2014-03-19 2014-03-19
US61/955,464 2014-03-19
PCT/CN2015/071854 WO2015113510A1 (en) 2014-01-29 2015-01-29 Method and apparatus for adaptive motion vector precision

Publications (3)

Publication Number Publication Date
BR112016017201A2 BR112016017201A2 (pt) 2017-08-08
BR112016017201A8 true BR112016017201A8 (pt) 2023-02-07
BR112016017201B1 BR112016017201B1 (pt) 2023-09-26

Family

ID=53756239

Family Applications (1)

Application Number Title Priority Date Filing Date
BR112016017201-9A BR112016017201B1 (pt) 2014-01-29 2015-01-29 Método de codificação e decodificação para precisão adaptativa de vetor de movimento de um bloco de dados de vídeo

Country Status (5)

Country Link
US (2) US10924746B2 (pt)
EP (1) EP3085085A4 (pt)
CN (2) CN110572643B (pt)
BR (1) BR112016017201B1 (pt)
WO (1) WO2015113510A1 (pt)

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Also Published As

Publication number Publication date
BR112016017201A2 (pt) 2017-08-08
EP3085085A1 (en) 2016-10-26
CN110572643A (zh) 2019-12-13
EP3085085A4 (en) 2017-11-08
WO2015113510A1 (en) 2015-08-06
US20210136390A1 (en) 2021-05-06
US10924746B2 (en) 2021-02-16
CN105874789A (zh) 2016-08-17
CN105874789B (zh) 2019-10-29
US20160337649A1 (en) 2016-11-17
US11546613B2 (en) 2023-01-03
BR112016017201B1 (pt) 2023-09-26
CN110572643B (zh) 2021-11-16

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B06F Objections, documents and/or translations needed after an examination request according [chapter 6.6 patent gazette]
B06U Preliminary requirement: requests with searches performed by other patent offices: procedure suspended [chapter 6.21 patent gazette]
B25A Requested transfer of rights approved

Owner name: HFI INNOVATION INC. (TW)

B09A Decision: intention to grant [chapter 9.1 patent gazette]
B16A Patent or certificate of addition of invention granted [chapter 16.1 patent gazette]

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