BR112016017201B1 - Método de codificação e decodificação para precisão adaptativa de vetor de movimento de um bloco de dados de vídeo - Google Patents

Método de codificação e decodificação para precisão adaptativa de vetor de movimento de um bloco de dados de vídeo Download PDF

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BR112016017201B1
BR112016017201B1 BR112016017201-9A BR112016017201A BR112016017201B1 BR 112016017201 B1 BR112016017201 B1 BR 112016017201B1 BR 112016017201 A BR112016017201 A BR 112016017201A BR 112016017201 B1 BR112016017201 B1 BR 112016017201B1
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current
precision
block
current block
adaptive
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BR112016017201-9A
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BR112016017201A2 (enExample
BR112016017201A8 (pt
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Ching-Yeh Chen
Tzu-Der Chuang
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Hfi Innovation Inc
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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
    • H04N19/169—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

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

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BR112016017201A2 BR112016017201A2 (enExample) 2017-08-08
BR112016017201A8 BR112016017201A8 (pt) 2023-02-07
BR112016017201B1 true BR112016017201B1 (pt) 2023-09-26

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US (2) US10924746B2 (enExample)
EP (1) EP3085085A4 (enExample)
CN (2) CN105874789B (enExample)
BR (1) BR112016017201B1 (enExample)
WO (1) WO2015113510A1 (enExample)

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Publication number Publication date
US11546613B2 (en) 2023-01-03
CN105874789A (zh) 2016-08-17
BR112016017201A2 (enExample) 2017-08-08
US20160337649A1 (en) 2016-11-17
US10924746B2 (en) 2021-02-16
CN110572643A (zh) 2019-12-13
US20210136390A1 (en) 2021-05-06
BR112016017201A8 (pt) 2023-02-07
CN110572643B (zh) 2021-11-16
CN105874789B (zh) 2019-10-29
EP3085085A4 (en) 2017-11-08
EP3085085A1 (en) 2016-10-26
WO2015113510A1 (en) 2015-08-06

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