BR9607845A - Método e aparelho para coordenação de determinação de movimento por múltiplos quadros. - Google Patents

Método e aparelho para coordenação de determinação de movimento por múltiplos quadros.

Info

Publication number
BR9607845A
BR9607845A BR9607845-6A BR9607845A BR9607845A BR 9607845 A BR9607845 A BR 9607845A BR 9607845 A BR9607845 A BR 9607845A BR 9607845 A BR9607845 A BR 9607845A
Authority
BR
Brazil
Prior art keywords
motion
frame
loading
vectors
reference image
Prior art date
Application number
BR9607845-6A
Other languages
English (en)
Inventor
Harald Aagaard Martens
Jan Otto Reberg
Original Assignee
Idt Deutschland Gmbh
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 Idt Deutschland Gmbh filed Critical Idt Deutschland Gmbh
Publication of BR9607845A publication Critical patent/BR9607845A/pt

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T7/00—Image analysis
    • G06T7/20—Analysis of motion
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T7/00—Image analysis
    • G06T7/20—Analysis of motion
    • G06T7/262—Analysis of motion using transform domain methods, e.g. Fourier domain methods
    • 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
    • H04N19/50—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
    • H04N19/537—Motion estimation other than block-based

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Theoretical Computer Science (AREA)
  • Signal Processing (AREA)
  • Mathematical Physics (AREA)
  • Image Analysis (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Television Systems (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Color Television Systems (AREA)

Abstract

Patente de Invenção:<B>"MéTODO E APARELHO PARA COORDENAçãO DE DETERMINAçãO DE MOVIMENTO POR MúLTIPLOS QUADROS"<D>. A presente invenção trata de estimativa de movimento aperfeiçoada em registros de sinal. Um método para estimar movimento entre uma imagem de referência e cada quadro numa seq³ência de quadros, cada quadro consistindo de uma pluralidade de amostras de um sinal de entrada compreende as etapas de: (1) para cada quadro, estimar um campo de movimento da imagem de referência para o quadro. (2) para cada quadro, transformar o campo de movimento estimado numa matriz de movimento, na qual cada linha corresponde a um quadro, e cada linha contém cada componente de vetor de movimento para cada elemento da imagem de referência. (3) executar uma Análise de Componente Principal sobre a matriz de movimento, deste modo obtendo uma matriz de marcação de movimento que consiste de uma pluralidade de vetores de coluna, chamados de vetores de marcação de movimento, e uma matriz de carregamento de movimento que consiste de uma pluralidade de vetores de linha, chamados de vetores de carregamento de movimento, de modo que cada vetor de marcação de movimento corresponde a um elemento para cada quadro, de forma que cada elemento de cada vetor de carregamento de movimento corresponde a um elemento da imagem de referência, de tal maneira que uma coluna da citada matriz de carregamento de movimento e um vetor de carregamento de movimento, em conjunto, constituem um fator, e de talmodo que o número de fatores é inferior ou igual ao número dos citados quadros, (4) para cada quadro, multiplicar as marcações de movimento correspondentes ao quadro pelos vetores de carregamento de movimento, deste modo produzindo uma hipótese de movimento para cada quadro. (5) para cada quadro, estimar um campo de movimento a partir da imagem de referência para o citado quadro, usado a hipótese de movimento como informação lateral, emitir os campos de movimento estimados na etapa (5) que representam o movimento entre a citada imagem de referência e cada quadro na seq³ência de quadros.
BR9607845-6A 1995-03-22 1996-03-22 Método e aparelho para coordenação de determinação de movimento por múltiplos quadros. BR9607845A (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP95104228 1995-03-22
PCT/EP1996/001272 WO1996029679A1 (en) 1995-03-22 1996-03-22 Method and apparatus for coordination of motion determination over multiple frames

Publications (1)

Publication Number Publication Date
BR9607845A true BR9607845A (pt) 1999-11-30

Family

ID=8219105

Family Applications (1)

Application Number Title Priority Date Filing Date
BR9607845-6A BR9607845A (pt) 1995-03-22 1996-03-22 Método e aparelho para coordenação de determinação de movimento por múltiplos quadros.

Country Status (13)

Country Link
US (1) US6157677A (pt)
EP (1) EP0815536A1 (pt)
JP (1) JPH11502336A (pt)
KR (1) KR19980702924A (pt)
CN (1) CN1194047A (pt)
AP (1) AP9701084A0 (pt)
AU (1) AU5273496A (pt)
BR (1) BR9607845A (pt)
CA (1) CA2216109A1 (pt)
MX (1) MX9707128A (pt)
OA (1) OA10442A (pt)
WO (1) WO1996029679A1 (pt)
ZA (1) ZA962305B (pt)

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Also Published As

Publication number Publication date
OA10442A (en) 2002-03-26
US6157677A (en) 2000-12-05
WO1996029679A1 (en) 1996-09-26
CA2216109A1 (en) 1996-09-26
EP0815536A1 (en) 1998-01-07
MX9707128A (es) 1997-11-29
ZA962305B (en) 1996-09-27
AP9701084A0 (en) 1997-10-31
JPH11502336A (ja) 1999-02-23
AU5273496A (en) 1996-10-08
KR19980702924A (ko) 1998-09-05
CN1194047A (zh) 1998-09-23

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