ES2035353T3 - Procedimiento de sincronizacion para la transmision, en un canal asincrono, de una sucesion de imagenes codificadas por medio de un codigo de longitud variable, y dispositivo para la utilizacion de este procedimiento. - Google Patents

Procedimiento de sincronizacion para la transmision, en un canal asincrono, de una sucesion de imagenes codificadas por medio de un codigo de longitud variable, y dispositivo para la utilizacion de este procedimiento.

Info

Publication number
ES2035353T3
ES2035353T3 ES198888403375T ES88403375T ES2035353T3 ES 2035353 T3 ES2035353 T3 ES 2035353T3 ES 198888403375 T ES198888403375 T ES 198888403375T ES 88403375 T ES88403375 T ES 88403375T ES 2035353 T3 ES2035353 T3 ES 2035353T3
Authority
ES
Spain
Prior art keywords
procedure
separator
transmission
synchronization
separators
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
ES198888403375T
Other languages
English (en)
Inventor
Eric Auvray
Claude Perron
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.)
Thomson Grand Public
Original Assignee
Thomson Grand Public
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 Grand Public filed Critical Thomson Grand Public
Application granted granted Critical
Publication of ES2035353T3 publication Critical patent/ES2035353T3/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
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
    • H04N21/4302—Content synchronisation processes, e.g. decoder synchronisation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N11/00—Colour television systems
    • H04N11/04—Colour television systems using pulse code modulation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N11/00—Colour television systems
    • H04N11/04—Colour television systems using pulse code modulation
    • H04N11/042—Codec means
    • H04N11/044—Codec means involving transform 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
    • H04N19/10—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
    • H04N19/115—Selection of the code volume for a coding unit prior to 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
    • H04N19/10—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
    • H04N19/124—Quantisation
    • H04N19/126—Details of normalisation or weighting functions, e.g. normalisation matrices or variable uniform quantisers
    • 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
    • H04N19/42—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by implementation details or hardware specially adapted for video compression or decompression, e.g. dedicated software implementation
    • 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
    • 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]
    • H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
    • H04N21/23—Processing of content or additional data; Elementary server operations; Server middleware
    • H04N21/242—Synchronization processes, e.g. processing of PCR [Program Clock References]
    • 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
    • H04N19/13—Adaptive entropy coding, e.g. adaptive variable length coding [AVLC] or context adaptive binary arithmetic coding [CABAC]
    • 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
    • H04N19/146—Data rate or code amount at the encoder output
    • 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
    • H04N19/146—Data rate or code amount at the encoder output
    • H04N19/152—Data rate or code amount at the encoder output by measuring the fullness of the transmission buffer
    • 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
    • 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
    • H04N19/90—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using coding techniques not provided for in groups H04N19/10-H04N19/85, e.g. fractals
    • H04N19/91—Entropy coding, e.g. variable length coding [VLC] or arithmetic coding

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Time-Division Multiplex Systems (AREA)
  • Synchronisation In Digital Transmission Systems (AREA)
  • Facsimile Transmission Control (AREA)
  • Communication Control (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)

Abstract

EL PROCEDIMIENTO CONSISTE EN TRANSMITIR ADEMAS DE LOS DATOS: SEPARADORES INTERBLOQUES, PARA SEPARAR LOS DATOS CORRESPONDIENTES A BLOQUES DISTINTOS, CADA SEPARADOR INTERBLOQUE CONTIENE UN RADICAL FIJADO, UNA PRIMERA PALABRA BINARIA TRADUCIENDO EL RANGO DE UN BLOQUE DE ELEMENTOS DE IMAGEN ASOCIADO A ESTE SEPARADOR Y UNA SEGUNDA PALABRA BINARIA TRADUCIENDO LA SUMA DE ESTE RANGO Y DEL NUMERO DE LOS SUCESOS QUE ESTAN CODIFICADOS POR LOS DATOS CORRESPONDIENTES AL BLOQUE ASOCIADO A ESTE SEPARADOR; SEPARADORES DE IMAGEN PARA SEPARAR LOS DATOS CORRESPONDIENTES A IMAGENES SUCESIVAS, CADA SEPARADOR DE IMAGEN ESTA REPETIDO VARIAS VECES Y CONTIENE UN RADICAL FIJADO SEGUIDO DE UNA PALABRA BINARIA QUE INDICA EL RANGO DEL SEPARADOR EN LAS REPETICIONES; LOS MOTIVOS DE SINCRONIZACION EN LA FRECUENCIA DE LAS LINEAS DE IMAGEN Y LOS MOTIVOS DE SINCRONIZACION A LA FRECUENCIA DE LAS IMAGENES TRANSMITIDOS INTERRUMPIENDO LA TRANSMISION DE LOS DATOS Y DE LOS SEPARADORES.
ES198888403375T 1987-12-30 1988-12-30 Procedimiento de sincronizacion para la transmision, en un canal asincrono, de una sucesion de imagenes codificadas por medio de un codigo de longitud variable, y dispositivo para la utilizacion de este procedimiento. Expired - Lifetime ES2035353T3 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR878718372A FR2625638B1 (fr) 1987-12-30 1987-12-30 Procede de synchronisation pour la transmission, sur un canal asynchrone, d'une suite d'images codees au moyen d'un code a longueur variable, et dispositif pour la mise en oeuvre de ce procede

Publications (1)

Publication Number Publication Date
ES2035353T3 true ES2035353T3 (es) 1993-04-16

Family

ID=9358443

Family Applications (1)

Application Number Title Priority Date Filing Date
ES198888403375T Expired - Lifetime ES2035353T3 (es) 1987-12-30 1988-12-30 Procedimiento de sincronizacion para la transmision, en un canal asincrono, de una sucesion de imagenes codificadas por medio de un codigo de longitud variable, y dispositivo para la utilizacion de este procedimiento.

Country Status (9)

Country Link
US (1) US5036391A (es)
EP (1) EP0323363B1 (es)
JP (1) JP2672382B2 (es)
KR (1) KR970003478B1 (es)
AT (1) ATE81575T1 (es)
DE (1) DE3875334T2 (es)
ES (1) ES2035353T3 (es)
FR (1) FR2625638B1 (es)
WO (1) WO1989006471A1 (es)

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US6563875B2 (en) * 1987-12-30 2003-05-13 Thomson Licensing S.A. Adaptive method of encoding and decoding a series of pictures by transformation, and devices for implementing this method
FR2653953A1 (fr) * 1989-10-27 1991-05-03 Philips Electronique Lab Dispositif de codage comportant un codeur a mots de longueur variable et dispositif de decodage associe.
GB8929152D0 (en) * 1989-12-22 1990-02-28 Gen Electric A digital augmentation system for actv-ii
EP0436251B1 (fr) * 1989-12-29 1995-09-27 Laboratoires D'electronique Philips Système de codage de signaux numériques destinés à être transmis et/ou stockés et système de décodage correspondant
FR2656754A1 (fr) * 1989-12-29 1991-07-05 Philips Electronique Lab Systeme de codage de signaux numeriques destines a etre transmis et/ou stockes.
NL9000424A (nl) * 1990-02-22 1991-09-16 Philips Nv Overdrachtsysteem voor gedigitaliseerde televisiebeelden.
BE1003827A4 (fr) * 1990-02-26 1992-06-23 Alcatel Bell Sdt Sa Procede universel de codage de signaux d'image.
EP0447269B1 (en) * 1990-03-16 2000-05-31 Fujitsu Limited An image data processing system
DE4028731A1 (de) * 1990-09-10 1992-03-19 Thomson Brandt Gmbh Digitales uebertragungs- und/oder aufzeichnungssystem fuer komponentencodierte farbfernsehsignale
US5303058A (en) * 1990-10-22 1994-04-12 Fujitsu Limited Data processing apparatus for compressing and reconstructing image data
EP0498081B1 (en) * 1991-01-21 1996-09-04 Koninklijke Philips Electronics N.V. Video coder/decoder with shift prevention for correctly decoded signal blocks
EP1330129A3 (en) * 1991-04-10 2006-03-15 Mitsubishi Denki Kabushiki Kaisha Encoder and Decoder
US5262964A (en) * 1991-04-10 1993-11-16 International Business Machines Corporation Method and apparatus for variable playback speed of multimedia data interchange within a data processing system
JPH04323960A (ja) * 1991-04-23 1992-11-13 Canon Inc 画像符号化装置
US5260808A (en) * 1991-04-23 1993-11-09 Canon Kabushiki Kaisha Image processing apparatus
JPH04323963A (ja) * 1991-04-23 1992-11-13 Canon Inc 画像処理方法及び装置
US5414527A (en) * 1991-08-14 1995-05-09 Fuji Xerox Co., Ltd. Image encoding apparatus sensitive to tone variations
JP3513160B2 (ja) * 1991-12-06 2004-03-31 キヤノン株式会社 動画像信号符号化装置及びその方法
GB2264603B (en) * 1992-02-28 1995-08-23 Sony Broadcast & Communication Multiplexing and demultiplexing image data
US5287178A (en) * 1992-07-06 1994-02-15 General Electric Company Reset control network for a video signal encoder
JP3381077B2 (ja) * 1992-12-04 2003-02-24 ソニー株式会社 動画像復号装置
US7075991B1 (en) 1993-01-18 2006-07-11 Sony Corporation Apparatus for encoding and decoding header data in picture signal transmission
US7558324B2 (en) * 1993-01-18 2009-07-07 Sony Corporation Apparatus for encoding and decoding header data in picture signal transmission
EP0613293B1 (en) * 1993-02-22 1999-11-17 Industrial Technology Research Institute Multiple module block matching architecture
JP3163880B2 (ja) * 1993-12-16 2001-05-08 松下電器産業株式会社 画像圧縮符号化装置
JP3058028B2 (ja) * 1994-10-31 2000-07-04 三菱電機株式会社 画像符号化データ再符号化装置
US5543853A (en) * 1995-01-19 1996-08-06 At&T Corp. Encoder/decoder buffer control for variable bit-rate channel
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CA1197005A (en) * 1981-09-29 1985-11-19 Norio Suzuki System comprising a preliminary processing device controlled in accordance with an amount of information stored in a buffer
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Also Published As

Publication number Publication date
JPH02504693A (ja) 1990-12-27
DE3875334T2 (de) 1993-03-04
KR900701127A (ko) 1990-08-17
US5036391A (en) 1991-07-30
FR2625638B1 (fr) 1994-06-17
JP2672382B2 (ja) 1997-11-05
WO1989006471A1 (fr) 1989-07-13
EP0323363B1 (fr) 1992-10-14
KR970003478B1 (ko) 1997-03-18
EP0323363A1 (fr) 1989-07-05
FR2625638A1 (fr) 1989-07-07
DE3875334D1 (de) 1992-11-19
ATE81575T1 (de) 1992-10-15

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