BE768472A - Appareil destine a reduire la redondance de signaux - Google Patents

Appareil destine a reduire la redondance de signaux

Info

Publication number
BE768472A
BE768472A BE768472A BE768472A BE768472A BE 768472 A BE768472 A BE 768472A BE 768472 A BE768472 A BE 768472A BE 768472 A BE768472 A BE 768472A BE 768472 A BE768472 A BE 768472A
Authority
BE
Belgium
Prior art keywords
device intended
reduce signal
signal redundancy
redundancy
reduce
Prior art date
Application number
BE768472A
Other languages
English (en)
French (fr)
Inventor
J C Candy
G M Franke
F W Mounts
Original Assignee
Western Electric Co
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 Western Electric Co filed Critical Western Electric Co
Publication of BE768472A publication Critical patent/BE768472A/xx

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/14—Systems for two-way working
    • H04N7/141—Systems for two-way working between two video terminals, e.g. videophone
    • 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
    • H04N19/50—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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Television Systems (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Closed-Circuit Television Systems (AREA)
BE768472A 1970-06-15 1971-06-14 Appareil destine a reduire la redondance de signaux BE768472A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US4629270A 1970-06-15 1970-06-15

Publications (1)

Publication Number Publication Date
BE768472A true BE768472A (fr) 1971-11-03

Family

ID=21942669

Family Applications (1)

Application Number Title Priority Date Filing Date
BE768472A BE768472A (fr) 1970-06-15 1971-06-14 Appareil destine a reduire la redondance de signaux

Country Status (8)

Country Link
US (1) US3670096A (xx)
JP (1) JPS5718390B1 (xx)
BE (1) BE768472A (xx)
CA (1) CA921605A (xx)
DE (1) DE2129454C2 (xx)
FR (1) FR2095261B1 (xx)
GB (1) GB1326450A (xx)
SE (1) SE373479B (xx)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3838420A (en) * 1972-08-29 1974-09-24 Hughes Aircraft Co Coordinate store digital scan converter
SE366454B (xx) * 1972-10-12 1974-04-22 Ericsson Telefon Ab L M
US4439765A (en) * 1980-11-19 1984-03-27 Hughes Aircraft Company Radar video processor
ATE22767T1 (de) * 1982-07-23 1986-10-15 British Telecomm Uebertragung von daten.
JPS6029068A (ja) * 1983-06-16 1985-02-14 Nec Corp 伝送誤り検出方式
US4546385A (en) * 1983-06-30 1985-10-08 International Business Machines Corporation Data compression method for graphics images
DE3342373A1 (de) * 1983-11-21 1985-05-30 Wolfram Dipl.-Ing. 1000 Berlin Liebsch Digitales uebertragungsverfahren fuer analogsignale
CA1252569A (en) * 1985-09-13 1989-04-11 Akihiro Furukawa Method and device of coding a digital video signal for reproduction of pictures with a high quality even upon occurrence of a drastical change between the pictures
US4706260A (en) * 1986-11-07 1987-11-10 Rca Corporation DPCM system with rate-of-fill control of buffer occupancy
US4958378A (en) * 1989-04-26 1990-09-18 Sun Microsystems, Inc. Method and apparatus for detecting changes in raster data
SE468736B (sv) * 1991-11-15 1993-03-08 Televerket Foerfarande och apparat foer bildkodning med oeverhoppning av bilder och/eller komponenter
JP4355156B2 (ja) 2002-04-16 2009-10-28 パナソニック株式会社 画像復号化方法及び画像復号化装置
US8369405B2 (en) * 2004-05-04 2013-02-05 Qualcomm Incorporated Method and apparatus for motion compensated frame rate up conversion for block-based low bit rate video
MX2007000254A (es) * 2004-07-01 2007-04-09 Qualcomm Inc Metodo y aparato para utilizar tecnicas de conversion ascendente de indice de cuadro en codificacion de video que se puede escalar.
TW200625964A (en) * 2004-07-20 2006-07-16 Qualcomm Inc Method and apparatus for encoder assisted-frame rate up conversion (EA-FRUC) for video compression
US8553776B2 (en) * 2004-07-21 2013-10-08 QUALCOMM Inorporated Method and apparatus for motion vector assignment
US20070230564A1 (en) * 2006-03-29 2007-10-04 Qualcomm Incorporated Video processing with scalability
US8750387B2 (en) * 2006-04-04 2014-06-10 Qualcomm Incorporated Adaptive encoder-assisted frame rate up conversion
US8634463B2 (en) * 2006-04-04 2014-01-21 Qualcomm Incorporated Apparatus and method of enhanced frame interpolation in video compression

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3061672A (en) * 1960-07-25 1962-10-30 Sperry Rand Corp Run length encoder
GB1029815A (en) * 1962-08-29 1966-05-18 Nat Res Dev Improvements in television and like data transmission systems
US3299204A (en) * 1962-08-29 1967-01-17 Nat Res Dev Television and like data transmission systems
US3423526A (en) * 1965-01-21 1969-01-21 Hughes Aircraft Co Narrow-band television
US3472953A (en) * 1966-03-17 1969-10-14 Xerox Corp Graphic communication system for transmitting reduced redundancy signals at the maximum rate of the communication link
US3499975A (en) * 1966-12-12 1970-03-10 Ibm Repeated scan digitally coded facsimile transmission
BE741433A (xx) * 1968-11-13 1970-04-16

Also Published As

Publication number Publication date
CA921605A (en) 1973-02-20
US3670096A (en) 1972-06-13
FR2095261A1 (xx) 1972-02-11
DE2129454A1 (de) 1971-12-23
GB1326450A (en) 1973-08-15
JPS5718390B1 (xx) 1982-04-16
DE2129454C2 (de) 1982-05-19
SE373479B (xx) 1975-02-03
FR2095261B1 (xx) 1976-08-20

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Legal Events

Date Code Title Description
RE20 Patent expired

Owner name: WESTERN ELECTRIC CY INC.

Effective date: 19910614