ES2102492T3 - Procedimiento y aparato para decodificar señales de video. - Google Patents

Procedimiento y aparato para decodificar señales de video.

Info

Publication number
ES2102492T3
ES2102492T3 ES92903766T ES92903766T ES2102492T3 ES 2102492 T3 ES2102492 T3 ES 2102492T3 ES 92903766 T ES92903766 T ES 92903766T ES 92903766 T ES92903766 T ES 92903766T ES 2102492 T3 ES2102492 T3 ES 2102492T3
Authority
ES
Spain
Prior art keywords
video signal
immediately previous
video signals
procedure
stored
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
ES92903766T
Other languages
English (en)
Inventor
Mohammed Ghanbari
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.)
British Telecommunications PLC
Original Assignee
British Telecommunications PLC
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 British Telecommunications PLC filed Critical British Telecommunications PLC
Application granted granted Critical
Publication of ES2102492T3 publication Critical patent/ES2102492T3/es
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

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
    • H04N19/85—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using pre-processing or post-processing specially adapted for video compression
    • H04N19/89—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using pre-processing or post-processing specially adapted for video compression involving methods or arrangements for detection of transmission errors at the decoder
    • H04N19/895—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using pre-processing or post-processing specially adapted for video compression involving methods or arrangements for detection of transmission errors at the decoder in combination with error concealment
    • 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
    • H04N19/85—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using pre-processing or post-processing specially adapted for video compression
    • H04N19/89—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using pre-processing or post-processing specially adapted for video compression involving methods or arrangements for detection of transmission errors at the decoder
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/60—Network structure or processes for video distribution between server and client or between remote clients; Control signalling between clients, server and network components; Transmission of management data between server and client, e.g. sending from server to client commands for recording incoming content stream; Communication details between server and client 
    • H04N21/63—Control signaling related to video distribution between client, server and network components; Network processes for video distribution between server and clients or between remote clients, e.g. transmitting basic layer and enhancement layers over different transmission paths, setting up a peer-to-peer communication via Internet between remote STB's; Communication protocols; Addressing
    • 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)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Television Systems (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Image Processing (AREA)
  • Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
  • Color Television Systems (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Medicines Containing Material From Animals Or Micro-Organisms (AREA)
  • Saccharide Compounds (AREA)

Abstract

UN DESCODIFICADOR PARA DESCODIFICAR SEÑALES DE VIDEO CODIFICADAS QUE CONSTA DE UNA CAPA BASE Y DE UNA CAPA DE REFUERZO QUE INCLUYE UN DETECTOR DE PERDIDA DE CELDAS (66) PARA DETECTAR SI FALTAN CELDAS EN LA CAPA DE REFUERZO. CUANDO OCURRE ESTO, EL DATO DE AUMENTO DE LA SEÑAL DE VIDEO INMEDIATAMENTE ANTERIOR, DESPLAZADO POR EL DESPLAZADOR (64) SEGUN LOS VECTORES DE MOVIMIENTO ACTUALES, PROPORCIONA UNOS DATOS DE INTERPOLACION CORRESPONDIENTES A LAS CELULAS QUE FALTAN. EL DATO DE INTERPOLACION SE AÑADE A LA CAPA BASE DESCODIFICADA SEGUN LO QUE INDIQUE EL SUMADOR (52). EL DATO DE AUMENTO SE OBTIENE RESTANDO LA SEÑAL DE VIDEO BASE INMEDIATAMENTE ANTERIOR, ALMACENADA EN LA MEMORIA DE IMAGENES (50), DE LA SEÑAL DE VIDEO DESCODIFICADA INMEDIATAMENTE ANTERIOR, ALMACENADA EN LA MEMORIA DE IMAGENES (60), SEGUN LO INDIQUE EL RESTADOR (62).
ES92903766T 1991-02-01 1992-01-31 Procedimiento y aparato para decodificar señales de video. Expired - Lifetime ES2102492T3 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB919102220A GB9102220D0 (en) 1991-02-01 1991-02-01 Method and apparatus for decoding video signals

Publications (1)

Publication Number Publication Date
ES2102492T3 true ES2102492T3 (es) 1997-08-01

Family

ID=10689391

Family Applications (1)

Application Number Title Priority Date Filing Date
ES92903766T Expired - Lifetime ES2102492T3 (es) 1991-02-01 1992-01-31 Procedimiento y aparato para decodificar señales de video.

Country Status (16)

Country Link
US (1) US5418571A (es)
EP (1) EP0569432B1 (es)
JP (1) JP2831849B2 (es)
KR (1) KR100238509B1 (es)
AT (1) ATE152568T1 (es)
AU (1) AU651667B2 (es)
CA (1) CA2100857C (es)
DE (1) DE69219459T2 (es)
DK (1) DK0569432T3 (es)
ES (1) ES2102492T3 (es)
FI (1) FI107494B (es)
GB (1) GB9102220D0 (es)
NO (1) NO304050B1 (es)
RU (1) RU2120702C1 (es)
SG (1) SG52360A1 (es)
WO (1) WO1992014339A1 (es)

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Also Published As

Publication number Publication date
JP2831849B2 (ja) 1998-12-02
EP0569432A1 (en) 1993-11-18
HK1006622A1 (en) 1999-03-05
RU2120702C1 (ru) 1998-10-20
SG52360A1 (en) 1998-09-28
ATE152568T1 (de) 1997-05-15
KR100238509B1 (ko) 2000-01-15
NO932752L (no) 1993-07-30
US5418571A (en) 1995-05-23
WO1992014339A1 (en) 1992-08-20
AU1201992A (en) 1992-09-07
FI107494B (fi) 2001-08-15
CA2100857A1 (en) 1992-08-02
DK0569432T3 (da) 1997-12-01
NO932752D0 (no) 1993-07-30
FI933392L (fi) 1993-07-29
JPH06505136A (ja) 1994-06-09
DE69219459D1 (de) 1997-06-05
GB9102220D0 (en) 1991-03-20
DE69219459T2 (de) 1997-09-11
KR930703795A (ko) 1993-11-30
CA2100857C (en) 1997-12-09
EP0569432B1 (en) 1997-05-02
NO304050B1 (no) 1998-10-12
FI933392A0 (fi) 1993-07-29
AU651667B2 (en) 1994-07-28

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