ES2177575T3 - Codificacion/decodificacion compatible sub-banda de imagenes de televison. - Google Patents

Codificacion/decodificacion compatible sub-banda de imagenes de televison.

Info

Publication number
ES2177575T3
ES2177575T3 ES94909148T ES94909148T ES2177575T3 ES 2177575 T3 ES2177575 T3 ES 2177575T3 ES 94909148 T ES94909148 T ES 94909148T ES 94909148 T ES94909148 T ES 94909148T ES 2177575 T3 ES2177575 T3 ES 2177575T3
Authority
ES
Spain
Prior art keywords
sub
images
image
compatible
resolution
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
ES94909148T
Other languages
English (en)
Inventor
Damien Kessler
Bruce Delvin
Fadila Boucherok
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.)
Vantiva SA
Original Assignee
Thomson Multimedia SA
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 Thomson Multimedia SA filed Critical Thomson Multimedia SA
Application granted granted Critical
Publication of ES2177575T3 publication Critical patent/ES2177575T3/es
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T9/00—Image coding
    • G06T9/40—Tree coding, e.g. quadtree, octree
    • 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
    • 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
    • H04N19/53—Multi-resolution motion estimation; Hierarchical motion 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
    • H04N19/60—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
    • 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
    • H04N19/63—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding using sub-band based transform, e.g. wavelets

Landscapes

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

Abstract

CODIFICADOR-DECODIFICADOR QUE COMPRENDE MEDIOS PARA CONSTRUIR A PARTIR DE LA IMAGEN DECODIFICADA PRECEDENTE (I{SUB,N-1}), Y DE LA IMAGEN CORRIENTE (I{SUB,N}) RESPECTIVAMENTE DOS PIRAMIDES DE IMAGENES DE RESOLUCION DIFERENTE (({SUB,1} Y P{SUB,2} COMPRENDIENDO CADA UNA UN MISMO NUMERO DETERMINADO DE IMAGENES ORDENADAS IDENTICAMENTE SEGUN SU RESOLUCION, DONDE CADA IMAGEN CORRESPONDE A UN NIVEL DE RESOLUCION QUE ES LA MITAD INFERIOR EN LAS DIRECCIONES HORIZONTAL (X) Y VERTICAL (Y) DE LA IMAGEN QUE EL NIVEL DE RESOLUCION PRECEDENTE, ESTANDO APLICADA CADA PIRAMIDE (P{SUB,1} P{SUB,2}) RESPECTIVAMENTE A UNA PRIMERA Y UNA SEGUNDA SERIE DE ENTRADA DEL ESTIMADOR DE MOVIMIENTO JERARQUICO (24) QUE PROPORCIONA EN SALIDA UN VECTOR DE MOVIMIENTO (V) CUYA AMPLITUD ES PROPORCIONAL AL MOVIMIENTO ESTIMADO ENTRE LAS DOS PIRAMIDES (P{SUB,1} Y P{SUB,2}. APLICACION: TELEVISION DE ALTA DEFINICION COMPATIBLE.
ES94909148T 1993-03-16 1994-03-04 Codificacion/decodificacion compatible sub-banda de imagenes de televison. Expired - Lifetime ES2177575T3 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9303010A FR2702917B1 (fr) 1993-03-16 1993-03-16 Codeur-décodeur pour un codage compatible sous-bande d'images de télévision, et son application au codage de mouvement hiérarchique par des structures arborescentes .

Publications (1)

Publication Number Publication Date
ES2177575T3 true ES2177575T3 (es) 2002-12-16

Family

ID=9445006

Family Applications (1)

Application Number Title Priority Date Filing Date
ES94909148T Expired - Lifetime ES2177575T3 (es) 1993-03-16 1994-03-04 Codificacion/decodificacion compatible sub-banda de imagenes de televison.

Country Status (7)

Country Link
US (1) US5907360A (es)
EP (1) EP0691065B1 (es)
JP (1) JP3766686B2 (es)
DE (1) DE69430738T2 (es)
ES (1) ES2177575T3 (es)
FR (1) FR2702917B1 (es)
WO (1) WO1994022267A1 (es)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2956464B2 (ja) * 1993-12-29 1999-10-04 日本ビクター株式会社 画像情報圧縮伸長装置
JP4526529B2 (ja) * 1997-02-27 2010-08-18 パナソニック株式会社 階層画像を用いる映像信号変換装置
US6728775B1 (en) * 1997-03-17 2004-04-27 Microsoft Corporation Multiple multicasting of multimedia streams
US6625215B1 (en) * 1999-06-07 2003-09-23 Lucent Technologies Inc. Methods and apparatus for context-based inter/intra coding mode selection
US6587589B1 (en) * 2000-02-28 2003-07-01 National Science Council Architecture for performing two-dimensional discrete wavelet transform
DE10022520A1 (de) * 2000-05-10 2001-11-15 Bosch Gmbh Robert Verfahren zur örtlichen skalierbaren Bewegtbildcodierung
US6847406B2 (en) * 2000-12-06 2005-01-25 Koninklijke Philips Electronics N.V. High quality, cost-effective film-to-video converter for high definition television
US7460722B2 (en) * 2002-01-11 2008-12-02 Canon Kabushiki Kaisha Encoding of digital data with determination of sample path

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE458003B (sv) * 1986-09-23 1989-02-13 Torbjoern Kronander Metod att representera roerliga bilder
EP0285902A3 (de) * 1987-04-07 1990-10-10 Siemens Aktiengesellschaft Verfahren zur Datenreduktion digitaler Bildsequenzen
US4817182A (en) * 1987-05-04 1989-03-28 General Electric Company Truncated subband coding of images
US4918524A (en) * 1989-03-14 1990-04-17 Bell Communications Research, Inc. HDTV Sub-band coding using IIR filter bank
FR2648590B1 (fr) * 1989-06-20 1991-08-30 Thomson Consumer Electronics Procede et dispositif d'estimation de mouvement dans une sequence d'images animees
GB8914843D0 (en) * 1989-06-28 1989-08-16 British Aerospace A method of processing video image data for use in the storage or transmission of moving digital images
US4969040A (en) * 1989-10-26 1990-11-06 Bell Communications Research, Inc. Apparatus and method for differential sub-band coding of video signals
FR2663178B1 (fr) * 1990-06-06 1995-07-21 Thomson Csf Procede d'estimation hierarchique du mouvement dans une sequence d'images.
US5097331A (en) * 1990-08-24 1992-03-17 Bell Communications Research, Inc. Multiple block-size transform video coding using an asymmetric sub-band structure
FR2677836B1 (fr) * 1991-06-11 1997-08-29 Thomson Csf Codeur-decodeur sous bandes de signaux de television a niveaux compatibilite differents.
US5420891A (en) * 1993-03-18 1995-05-30 New Jersey Institute Of Technology Multiplierless 2-band perfect reconstruction quadrature mirror filter (PR-QMF) banks
JP2956464B2 (ja) * 1993-12-29 1999-10-04 日本ビクター株式会社 画像情報圧縮伸長装置

Also Published As

Publication number Publication date
US5907360A (en) 1999-05-25
FR2702917B1 (fr) 1995-04-21
FR2702917A1 (fr) 1994-09-23
JPH09502840A (ja) 1997-03-18
WO1994022267A1 (fr) 1994-09-29
DE69430738T2 (de) 2003-01-02
EP0691065A1 (fr) 1996-01-10
DE69430738D1 (de) 2002-07-11
JP3766686B2 (ja) 2006-04-12
EP0691065B1 (fr) 2002-06-05

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