DE3785179D1 - Kodierungs- und uebertragungsverfahren eines digitalen signals durch zeitlich selektive auffrischung eines vektoriellen quantifizierers. - Google Patents

Kodierungs- und uebertragungsverfahren eines digitalen signals durch zeitlich selektive auffrischung eines vektoriellen quantifizierers.

Info

Publication number
DE3785179D1
DE3785179D1 DE8787402890T DE3785179T DE3785179D1 DE 3785179 D1 DE3785179 D1 DE 3785179D1 DE 8787402890 T DE8787402890 T DE 8787402890T DE 3785179 T DE3785179 T DE 3785179T DE 3785179 D1 DE3785179 D1 DE 3785179D1
Authority
DE
Germany
Prior art keywords
quantificator
vectorial
coding
digital signal
transmission method
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 - Fee Related
Application number
DE8787402890T
Other languages
English (en)
Other versions
DE3785179T2 (de
Inventor
Claude Labit
Jean-Pierre Marescq
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.)
Telediffusion de France ets Public de Diffusion
Orange SA
Original Assignee
Telediffusion de France ets Public de Diffusion
France Telecom 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 Telediffusion de France ets Public de Diffusion, France Telecom SA filed Critical Telediffusion de France ets Public de Diffusion
Application granted granted Critical
Publication of DE3785179D1 publication Critical patent/DE3785179D1/de
Publication of DE3785179T2 publication Critical patent/DE3785179T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • H04N19/90—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
    • H04N19/94—Vector quantisation
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M7/00—Conversion of a code where information is represented by a given sequence or number of digits to a code where the same, similar or subset of information is represented by a different sequence or number of digits
    • H03M7/30—Compression; Expansion; Suppression of unnecessary data, e.g. redundancy reduction
    • H03M7/3082—Vector coding

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Analogue/Digital Conversion (AREA)
DE8787402890T 1986-12-17 1987-12-17 Kodierungs- und uebertragungsverfahren eines digitalen signals durch zeitlich selektive auffrischung eines vektoriellen quantifizierers. Expired - Fee Related DE3785179T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8617715A FR2608864B1 (fr) 1986-12-17 1986-12-17 Procedes de codage et de transmission d'un signal numerique, par rafraichissement temporel selectif d'un quantificateur vectoriel

Publications (2)

Publication Number Publication Date
DE3785179D1 true DE3785179D1 (de) 1993-05-06
DE3785179T2 DE3785179T2 (de) 1993-07-15

Family

ID=9342029

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8787402890T Expired - Fee Related DE3785179T2 (de) 1986-12-17 1987-12-17 Kodierungs- und uebertragungsverfahren eines digitalen signals durch zeitlich selektive auffrischung eines vektoriellen quantifizierers.

Country Status (5)

Country Link
US (1) US4845559A (de)
EP (1) EP0276603B1 (de)
JP (1) JPH02131621A (de)
DE (1) DE3785179T2 (de)
FR (1) FR2608864B1 (de)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5194950A (en) * 1988-02-29 1993-03-16 Mitsubishi Denki Kabushiki Kaisha Vector quantizer
US5032927A (en) * 1988-03-01 1991-07-16 Fuji Photo Film Co., Ltd. Image signal recording apparatus capable of recording compressed image data together with audio data
EP0387051B1 (de) * 1989-03-10 1997-08-06 Canon Kabushiki Kaisha Verfahren und Vorrichtung zum Codieren von Bildinformation
US5068723A (en) * 1989-05-19 1991-11-26 Gte Laboratories Incorporated Frame or sub-frame rate adaptive vector quantizer for moving images
US4958225A (en) * 1989-06-09 1990-09-18 Utah State University Foundation Full-search-equivalent method for matching data and a vector quantizer utilizing such method
US5253053A (en) * 1990-12-31 1993-10-12 Apple Computer, Inc. Variable length decoding using lookup tables
AU1996292A (en) * 1991-05-17 1992-12-30 Analytic Sciences Corporation, The Continuous-tone image compression
US5487086A (en) * 1991-09-13 1996-01-23 Comsat Corporation Transform vector quantization for adaptive predictive coding
KR0132894B1 (ko) * 1992-03-13 1998-10-01 강진구 영상압축부호화 및 복호화 방법과 그 장치
AU714554B2 (en) * 1996-07-17 2000-01-06 Sony Corporation Image coding and decoding using mapping coefficients corresponding to class information of pixel blocks
US7283587B2 (en) * 2003-12-18 2007-10-16 Intel Corporation Distortion measurement
JP4427520B2 (ja) * 2006-03-29 2010-03-10 株式会社東芝 画像送信装置、ディスプレイ装置および方法

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4371895A (en) * 1980-01-18 1983-02-01 Nippon Electric Co., Ltd. Coded video signal transmitting and receiving system
JPS5755669A (en) * 1980-09-05 1982-04-02 Ibm Dynamic data compressing system
US4670851A (en) * 1984-01-09 1987-06-02 Mitsubishi Denki Kabushiki Kaisha Vector quantizer
JPS61201522A (ja) * 1985-03-05 1986-09-06 Mitsubishi Electric Corp ベクトル量子化符号化器

Also Published As

Publication number Publication date
FR2608864B1 (fr) 1991-10-31
US4845559A (en) 1989-07-04
FR2608864A1 (fr) 1988-06-24
DE3785179T2 (de) 1993-07-15
JPH0479177B2 (de) 1992-12-15
EP0276603A1 (de) 1988-08-03
JPH02131621A (ja) 1990-05-21
EP0276603B1 (de) 1993-03-31

Similar Documents

Publication Publication Date Title
DE3687748D1 (de) Uebertragungsmethode eines digitalen signals mit verbesserten fehlerrateeigenschaften bei mehrweguebertragung.
EP0137695A3 (en) Method of signal transmission with selected signal transmission rate
DE3482763D1 (de) Geraet und verfahren zum kodieren, dekodieren, analysieren und synthesieren eines signals.
ATE127642T1 (de) Digitales übertragungssystem unter verwendung der teilbandkodierung eines digitalen signals.
DE69121829D1 (de) Kodier/Dekodier-Einrichtung und Verfahren für durch kodierte Modulation übertragene, digitale Signale
HK138294A (en) Method and apparatus for decoding the output signal of a partial-response communication or recording-device channel
DE3788997D1 (de) Interpolation von Zeilen eines Videosignals.
DE3785179D1 (de) Kodierungs- und uebertragungsverfahren eines digitalen signals durch zeitlich selektive auffrischung eines vektoriellen quantifizierers.
FR2482815B1 (fr) Dispositif de codage et de decodage de signaux d'image et de son
KR860004520A (ko) 다중상태 테이터신호를 부호화하고 해독하는 데이터시스템과 그 방법
DE69329569D1 (de) Digitale Kodierung von Sprachsignalen
DE3853899D1 (de) Verfahren und Vorrichtung zur Codierung und Decodierung eines Signals.
GB2026819B (en) Method and a circuit for decoding a cmi encoded binara signal
ZA80884B (en) Method of demodulating a quadphase coded data signal and receiver for carrying out the method
DE3485157D1 (de) Verfahren zum dekodieren eines kodierten videosignals und empfangsvorrichtung zum dekodieren des signals.
DE3772179D1 (de) Schaltung zum erzeugen eines periodischen, im wesentlichen parabolfoermigen signals.
NO862602D0 (no) Vocoder innebygd i digitale signalbehandlingsenheter.
DE3574548D1 (de) Durch binaere datensignale modulierbarer hochfrequenzsender.
NO163589C (no) Fremgangsmaate for overfoering og mottaking av digitale informasjonssignaler.
JPS57136845A (en) Coding and transfer system of information data
DE3173284D1 (en) Offshore drilling and production system
GB2198909B (en) Digital signal amplitude limiter
DE58907523D1 (de) Digitaler Begrenzer zur Pegelbegrenzung eines in Digitalform vorliegenden Videosignals.
DE58906645D1 (de) Prädiktor für digitale Videosignale in einem Differenz-Pulscodemodulator.
JPS5333519A (en) Quantization of video signal

Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee