BR112013030935A2 - dispositivo de codificação de imagem móvel, método de codificação de imagem móvel e programa de codificação de imagem móvel, assim como dispositivo de decodificação de imagem móvel, método de decodificação de imagem móvel e programa de decodificação de imagem móvel - Google Patents

dispositivo de codificação de imagem móvel, método de codificação de imagem móvel e programa de codificação de imagem móvel, assim como dispositivo de decodificação de imagem móvel, método de decodificação de imagem móvel e programa de decodificação de imagem móvel

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Publication number
BR112013030935A2
BR112013030935A2 BR112013030935A BR112013030935A BR112013030935A2 BR 112013030935 A2 BR112013030935 A2 BR 112013030935A2 BR 112013030935 A BR112013030935 A BR 112013030935A BR 112013030935 A BR112013030935 A BR 112013030935A BR 112013030935 A2 BR112013030935 A2 BR 112013030935A2
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BR
Brazil
Prior art keywords
motion vector
mobile image
vector predictor
prediction block
coding
Prior art date
Application number
BR112013030935A
Other languages
English (en)
Other versions
BR112013030935B1 (pt
Inventor
Hiroya Nakamura
Masayoshi Nishitani
Motoharu Ueda
Shigeru Fukushima
Original Assignee
Jvc Kenwood Corp
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
Priority claimed from JP2011122770A external-priority patent/JP5477340B2/ja
Priority claimed from JP2011122771A external-priority patent/JP5252029B2/ja
Application filed by Jvc Kenwood Corp filed Critical Jvc Kenwood Corp
Publication of BR112013030935A2 publication Critical patent/BR112013030935A2/pt
Publication of BR112013030935B1 publication Critical patent/BR112013030935B1/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
    • H04N19/134—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
    • H04N19/136—Incoming video signal characteristics or properties
    • H04N19/137—Motion inside a coding unit, e.g. average field, frame or block difference
    • H04N19/139—Analysis of motion vectors, e.g. their magnitude, direction, variance or reliability
    • 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
    • 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
    • H04N19/10—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
    • H04N19/102—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
    • H04N19/124—Quantisation
    • 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
    • H04N19/172—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
    • H04N19/184—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 bits, e.g. of the compressed video stream
    • 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
    • H04N19/517—Processing of motion vectors by encoding
    • H04N19/52—Processing of motion vectors by encoding by predictive encoding

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

Abstract

abstract of the disclosure a motion vector predictor candidate generation unit 120 derives a plurality of motion vector predictor candidates by prediction from first coded prediction blocks neighboring a prediction block subject to coding within the same picture as the prediction block subject to coding, or from a second coded prediction block located at the same position as or in the neighborhood of the prediction block subject to coding in a picture different from that of the prediction block subject to coding, and adds the derived motion vector predictor candidates in a motion vector predictor candidate. the motion vector predictor candidate generation unit 120 determines, for the purpose of obtaining a predetermined number of motion vector predictor candidates, which of first coded prediction blocks provides the motion vector from which to derive the motion vector predictor candidate, organizing the blocks in the order of priority. 1 tradução resumo patente de invenção: "dispositivo de codificação de imagem móvel, método de codificação de imagem móvel e programa de codificação de imagem móvel, assim como dispositivo de decodificação de imagem móvel, método de decodificação de imagem móvel e programa de decodificação de imagem móvel". a invenção refere-se a uma unidade de geração de candidato de preditor de vetor de movimento 120 que deriva uma pluralidade de candidatos de preditor de vetor de movimento por predição de primeiros blocos de predição codificados vizinhos a um bloco de predição sujeito à codificação dentro da mesma imagem que o bloco de predição sujeito à codificação, ou de um segundo bloco de predição codificado localizado na mesma posição que ou na vizinhança do bloco de predição sujeito à codificação em uma imagem diferente daquela do bloco de predição sujeito à codificação, e adiciona os candidatos de preditor de vetor de movimento derivados em uma lista de candidatos de preditor de vetor de movimento. a unidade de geração de candidato de preditor de vetor de movimento 120 determina, para o propósito de obter um número predeterminado de candidatos de preditor de vetor de movimento, qual dos primeiros blocos de predição codificados provê o vetor de movimento do qual derivar o candidato de preditor de vetor de movimento, organizando os blocos na ordem de prioridade. ws/docs/sda p201591/rascunho/19866025v1
BR112013030935-0A 2011-05-31 2012-05-30 Dispositivo de decodificação de imagem móvel e método de decodificação de imagem móvel BR112013030935B1 (pt)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
JP2011122770A JP5477340B2 (ja) 2011-05-31 2011-05-31 動画像符号化装置、動画像符号化方法及び動画像符号化プログラム
JP2011-122771 2011-05-31
JP2011-122770 2011-05-31
JP2011122771A JP5252029B2 (ja) 2011-05-31 2011-05-31 動画像復号装置、動画像復号方法、動画像復号プログラム、受信装置、受信方法、及び受信プログラム
PCT/JP2012/003540 WO2012164924A1 (ja) 2011-05-31 2012-05-30 動画像符号化装置、動画像符号化方法及び動画像符号化プログラム、並びに動画像復号装置、動画像復号方法及び動画像復号プログラム

Publications (2)

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BR112013030935A2 true BR112013030935A2 (pt) 2016-12-06
BR112013030935B1 BR112013030935B1 (pt) 2022-05-03

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BR122020013893-9A BR122020013893B1 (pt) 2011-05-31 2012-05-30 Dispositivo de codificação de imagem móvel e método de codificação de imagem móvel

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US (5) US8976867B2 (pt)
EP (5) EP2717574B1 (pt)
KR (3) KR20140019448A (pt)
CN (7) CN105187838A (pt)
BR (2) BR112013030935B1 (pt)
DK (1) DK2717574T3 (pt)
ES (1) ES2861773T3 (pt)
HU (1) HUE053187T2 (pt)
PL (1) PL2717574T3 (pt)
SI (1) SI2717574T1 (pt)
TW (5) TWI578768B (pt)
WO (1) WO2012164924A1 (pt)

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