BR0304565A - Método de predição de movimento compensado para uso na codificação da sequência de vìdeo digital, codificador e decodificador de vìdeo para codificar/decodificar uma sequência de vìdeo digital usando predição de movimento compensado, terminal de miltimìdia, e, codec de vìdeo - Google Patents

Método de predição de movimento compensado para uso na codificação da sequência de vìdeo digital, codificador e decodificador de vìdeo para codificar/decodificar uma sequência de vìdeo digital usando predição de movimento compensado, terminal de miltimìdia, e, codec de vìdeo

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Publication number
BR0304565A
BR0304565A BR0304565-0A BR0304565A BR0304565A BR 0304565 A BR0304565 A BR 0304565A BR 0304565 A BR0304565 A BR 0304565A BR 0304565 A BR0304565 A BR 0304565A
Authority
BR
Brazil
Prior art keywords
video
motion
macroblock
motion compensated
compensated prediction
Prior art date
Application number
BR0304565-0A
Other languages
English (en)
Inventor
Jani Lainema
Original Assignee
Nokia 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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=28042010&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=BR0304565(A) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Nokia Corp filed Critical Nokia Corp
Publication of BR0304565A publication Critical patent/BR0304565A/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
    • H04N19/50—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
    • H04N19/527—Global motion vector estimation
    • 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
    • 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
    • H04N19/109—Selection of coding mode or of prediction mode among a plurality of temporal 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
    • H04N19/102—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
    • H04N19/132—Sampling, masking or truncation of coding units, e.g. adaptive resampling, frame skipping, frame interpolation or high-frequency transform coefficient masking
    • 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
    • H04N19/10—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
    • H04N19/46—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
    • H04N19/503—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
    • 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
    • H04N19/60—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding
    • H04N19/61—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding in combination with predictive coding

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)

Abstract

"MéTODO DE PREDIçãO DE MOVIMENTO COMPENSADO PARA USO NA CODIFICAçãO DA SEQuêNCIA DE VìDEO DIGITAL, CODIFICADOR E DECODIFICADOR DE VìDEO PARA CODIFICAR/DECODIFICAR UMA SEQuêNCIA DE VìDEO DIGITAL USANDO PREDIçãO DE MOVIMENTO COMPENSADO, TERMINAL DE MULTIMìDIA, E, CODEC DE VìDEO". Um processo de codificação de vídeo de movimento compensado que permite que uma seq³ência de vídeo com um componente de movimento global seja codificada de um modo eficiente. Um codificador de vídeo (600) é disposto de modo a atribuir a macroblocos a serem codificados modos de codificação específicos, incluindo um modo de pulo, que é usado para indicar um de dois tipos possíveis de movimento de macroblocos: (a) movimento zero, ou (b) movimento global ou regional. à medida que cada macrobloco é codificado, uma região anteriormente codificada que circunda o macrobloco é examinada e as características de movimento naquela região são determinadas. Com o modo de pulo o macrobloco a ser codificado e um vetor de movimento que descreve o movimento global ou movimento regional é associado com o macrobloco se o movimento na região for característico de movimento global ou de movimento regional. Se a região apresentar um nível insignificante de movimento, um vetor de movimento de valor zero é associado ao macrobloco.
BR0304565-0A 2002-03-15 2003-03-14 Método de predição de movimento compensado para uso na codificação da sequência de vìdeo digital, codificador e decodificador de vìdeo para codificar/decodificar uma sequência de vìdeo digital usando predição de movimento compensado, terminal de miltimìdia, e, codec de vìdeo BR0304565A (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US36507202P 2002-03-15 2002-03-15
PCT/IB2003/000944 WO2003079681A1 (en) 2002-03-15 2003-03-14 Method for coding motion in a video sequence

Publications (1)

Publication Number Publication Date
BR0304565A true BR0304565A (pt) 2004-12-07

Family

ID=28042010

Family Applications (2)

Application Number Title Priority Date Filing Date
BRPI0304565-0A BRPI0304565B1 (pt) 2002-03-15 2003-03-14 Método de predição de movimento compensado para uso na codificação da sequência de vídeo digital, codificador e decodificador de vídeo para codificar/decodificar uma sequência de vídeo digital usando predição de movimento compensado, terminal de miltimídia, e, codec de vídeo
BR0304565-0A BR0304565A (pt) 2002-03-15 2003-03-14 Método de predição de movimento compensado para uso na codificação da sequência de vìdeo digital, codificador e decodificador de vìdeo para codificar/decodificar uma sequência de vìdeo digital usando predição de movimento compensado, terminal de miltimìdia, e, codec de vìdeo

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BRPI0304565-0A BRPI0304565B1 (pt) 2002-03-15 2003-03-14 Método de predição de movimento compensado para uso na codificação da sequência de vídeo digital, codificador e decodificador de vídeo para codificar/decodificar uma sequência de vídeo digital usando predição de movimento compensado, terminal de miltimídia, e, codec de vídeo

Country Status (15)

Country Link
US (1) US7532808B2 (pt)
EP (2) EP3029938A1 (pt)
JP (1) JP4611640B2 (pt)
KR (2) KR101108501B1 (pt)
CN (1) CN100581232C (pt)
AU (1) AU2003209566A1 (pt)
BR (2) BRPI0304565B1 (pt)
CA (1) CA2478691C (pt)
DK (1) DK1486065T3 (pt)
ES (1) ES2562932T3 (pt)
HU (1) HUE026930T2 (pt)
MX (1) MXPA04008889A (pt)
PT (1) PT1486065E (pt)
SI (1) SI1486065T1 (pt)
WO (1) WO2003079681A1 (pt)

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