ES2182972T3 - Codificador y descodificador de video utilizando procedimientos de segmentacion y fusion de movimiento. - Google Patents

Codificador y descodificador de video utilizando procedimientos de segmentacion y fusion de movimiento.

Info

Publication number
ES2182972T3
ES2182972T3 ES96912023T ES96912023T ES2182972T3 ES 2182972 T3 ES2182972 T3 ES 2182972T3 ES 96912023 T ES96912023 T ES 96912023T ES 96912023 T ES96912023 T ES 96912023T ES 2182972 T3 ES2182972 T3 ES 2182972T3
Authority
ES
Spain
Prior art keywords
motion
segmentation
decoder
video encoder
bit rate
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Lifetime
Application number
ES96912023T
Other languages
English (en)
Inventor
Jacek Nieweglowski
Marta Karczewicz
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nokia Oyj
Original Assignee
Nokia Oyj
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 Nokia Oyj filed Critical Nokia Oyj
Application granted granted Critical
Publication of ES2182972T3 publication Critical patent/ES2182972T3/es
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • 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
    • 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
    • H04N19/543—Motion estimation other than block-based using regions
    • 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
    • H04N19/30—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using hierarchical techniques, e.g. scalability

Landscapes

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

Abstract

ESTA INVENCION SE REFIERE A LA CODIFICACION DE VIDEO CON COMPENSACION DEL MOVIMIENTO (MC) Y A UN SISTEMA DE PREDICCION DE MC QUE PERMITE LA CODIFICACION RAPIDA Y COMPACTA DE CAMPOS DE VECTORES DE MOVIMIENTO, MANTENIENDO AL MISMO TIEMPO UN ERROR DE PREDICCION MUY BAJO. REDUCIENDO LOS ERRORES DE PREDICCION Y EL NUMERO DE BITS NECESARIOS PARA LA REPRESENTACION DEL CAMPO VECTORIAL DEL MOVIMIENTO, SE CONSIGUEN IMPORTANTES AHORROS DE BITRATO. LA REDUCCION DEL BITRATO NECESARIO PARA REPRESENTAR EL CAMPO DE MOVIMIENTO SE CONSIGUE MEDIANTE LA FUSION DE SEGMENTOS EN TRAMAS DE VIDEO, MEDIANTE LA ADAPTACION DEL MODELO DE CAMPO DE MOVIMIENTO Y MEDIANTE LA UTILIZACION DE MODELO DE CAMPO DE MOVIMIENTO SOBRE LA BASE DE POLINOMIOS ORTOGONALES.
ES96912023T 1996-04-19 1996-04-19 Codificador y descodificador de video utilizando procedimientos de segmentacion y fusion de movimiento. Expired - Lifetime ES2182972T3 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/EP1996/001644 WO1997040628A1 (en) 1996-04-19 1996-04-19 Video encoder and decoder using motion-based segmentation and merging

Publications (1)

Publication Number Publication Date
ES2182972T3 true ES2182972T3 (es) 2003-03-16

Family

ID=8166203

Family Applications (1)

Application Number Title Priority Date Filing Date
ES96912023T Expired - Lifetime ES2182972T3 (es) 1996-04-19 1996-04-19 Codificador y descodificador de video utilizando procedimientos de segmentacion y fusion de movimiento.

Country Status (8)

Country Link
US (1) US6212235B1 (es)
EP (1) EP0894403B1 (es)
JP (1) JP3790804B2 (es)
AT (1) ATE223135T1 (es)
AU (1) AU5501296A (es)
DE (1) DE69623342T2 (es)
ES (1) ES2182972T3 (es)
WO (1) WO1997040628A1 (es)

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Also Published As

Publication number Publication date
EP0894403A1 (en) 1999-02-03
DE69623342D1 (de) 2002-10-02
WO1997040628A1 (en) 1997-10-30
JP3790804B2 (ja) 2006-06-28
JP2000508127A (ja) 2000-06-27
US6212235B1 (en) 2001-04-03
EP0894403B1 (en) 2002-08-28
ATE223135T1 (de) 2002-09-15
DE69623342T2 (de) 2003-04-17
AU5501296A (en) 1997-11-12

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