BR7804206A - Instalacao de traducao de fac-simile - Google Patents

Instalacao de traducao de fac-simile

Info

Publication number
BR7804206A
BR7804206A BR7804206A BR7804206A BR7804206A BR 7804206 A BR7804206 A BR 7804206A BR 7804206 A BR7804206 A BR 7804206A BR 7804206 A BR7804206 A BR 7804206A BR 7804206 A BR7804206 A BR 7804206A
Authority
BR
Brazil
Prior art keywords
simile
fac
translation installation
translation
installation
Prior art date
Application number
BR7804206A
Other languages
English (en)
Inventor
M Beduchaud
M Loye
Original Assignee
Cit Alcatel
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 Cit Alcatel filed Critical Cit Alcatel
Publication of BR7804206A publication Critical patent/BR7804206A/pt

Links

Classifications

    • 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
    • H03M7/46—Conversion to or from run-length codes, i.e. by representing the number of consecutive digits, or groups of digits, of the same kind by a code word and a digit indicative of that kind
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T9/00—Image coding
    • G06T9/005—Statistical coding, e.g. Huffman, run length coding
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/41—Bandwidth or redundancy reduction
    • H04N1/411—Bandwidth or redundancy reduction for the transmission or storage or reproduction of two-tone pictures, e.g. black and white pictures
    • H04N1/413—Systems or arrangements allowing the picture to be reproduced without loss or modification of picture-information
    • H04N1/419—Systems or arrangements allowing the picture to be reproduced without loss or modification of picture-information in which encoding of the length of a succession of picture-elements of the same value along a scanning line is the only encoding step

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Theoretical Computer Science (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Facsimile Transmission Control (AREA)
  • Communication Control (AREA)
BR7804206A 1977-06-30 1978-06-30 Instalacao de traducao de fac-simile BR7804206A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7720078A FR2396479A1 (fr) 1977-06-30 1977-06-30 Installation de transmission de fac-simile a reduction de redondance

Publications (1)

Publication Number Publication Date
BR7804206A true BR7804206A (pt) 1979-04-03

Family

ID=9192767

Family Applications (1)

Application Number Title Priority Date Filing Date
BR7804206A BR7804206A (pt) 1977-06-30 1978-06-30 Instalacao de traducao de fac-simile

Country Status (14)

Country Link
US (1) US4228467A (pt)
JP (1) JPS5413731A (pt)
BE (1) BE868029A (pt)
BR (1) BR7804206A (pt)
CA (1) CA1111547A (pt)
DE (1) DE2828012C2 (pt)
DK (1) DK146430C (pt)
FR (1) FR2396479A1 (pt)
GB (1) GB2000663B (pt)
IE (1) IE46860B1 (pt)
IT (1) IT1097113B (pt)
LU (1) LU79877A1 (pt)
NL (1) NL176826C (pt)
SE (1) SE438584B (pt)

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5537003A (en) * 1978-09-07 1980-03-14 Hitachi Ltd Facsimile transmitter having redundancy suppression function
FR2441297A1 (fr) * 1978-11-09 1980-06-06 Cit Alcatel Dispositif de conversion binaire et applications aux emetteurs et recepteurs d'informations d'image a reduction de redondance
US4371908A (en) * 1979-09-17 1983-02-01 Tokyo Shibaura Denki Kabushiki Kaisha Digital protective relaying systems
US4316222A (en) * 1979-12-07 1982-02-16 Ncr Canada Ltd. - Ncr Canada Ltee Method and apparatus for compression and decompression of digital image data
US4334246A (en) * 1980-05-16 1982-06-08 Xerox Corporation Data decompressor circuit
FR2494529B1 (fr) * 1980-11-17 1986-02-07 France Etat Systeme de transmission numerique a codage adaptatif d'informations analogiques echantillonnees et transformees par transformation orthogonale
US4499498A (en) * 1982-01-14 1985-02-12 Nippon Electric Co., Ltd. Run length decoding apparatus
US4516246A (en) * 1982-02-26 1985-05-07 Prentice Corporation Data compression system
US4509194A (en) * 1982-09-09 1985-04-02 Minnesota Mining And Manufacturing Company Apparatus for producing a code word
US4493093A (en) * 1982-11-08 1985-01-08 Eastman Kodak Company Zero overhead sync in data recording
JPS59131267A (ja) * 1983-01-18 1984-07-28 Ricoh Co Ltd 符号化装置
JPS59148467A (ja) * 1983-02-14 1984-08-25 Canon Inc デ−タ圧縮装置
GB2146874A (en) * 1983-08-26 1985-04-24 British Telecomm Decoding of minimum redundancy codes
US4574382A (en) * 1983-10-05 1986-03-04 International Business Machines Corporation Variable length character code system
EP0149893B1 (en) * 1983-12-08 1990-05-16 Crosfield Electronics Limited Apparatus for coding and decoding data
US5060242A (en) * 1989-02-24 1991-10-22 General Electric Company Non-destructive lossless image coder
WO1991006153A1 (en) * 1989-10-06 1991-05-02 Zoran Corporation Huffman data string decompression apparatus and method
GB9020596D0 (en) * 1990-09-21 1990-10-31 Alcatel Business Systems Data transmission method and apparatus
US5874907A (en) * 1997-09-19 1999-02-23 International Business Machines Corporation Method and apparatus for providing improved data compression efficiency for an adaptive data compressor
JP4033836B2 (ja) * 2002-02-01 2008-01-16 コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ 可変長カラー・コードを用いる、パレット化されたカラー画像の圧縮
JP4569785B2 (ja) * 2008-01-07 2010-10-27 富士ゼロックス株式会社 二値化装置及び二値化処理プログラム

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3510576A (en) * 1966-10-03 1970-05-05 Xerox Corp Data sampler circuit for determining information run lengths
US3748379A (en) * 1970-01-22 1973-07-24 Electronic Image Sys Corp Run length coding technique
DE2127516C2 (de) * 1971-06-03 1982-04-29 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Verfahren zur Übertragung binärcodierter Signale von Bildvorlagen oder Schriftvorlagen
US4092676A (en) * 1976-12-29 1978-05-30 Xerox Corporation Block length multiple plus run length residue codes for run length encoding
US4092675A (en) * 1976-12-29 1978-05-30 Xerox Corporation Truncated run length encoding with a modular variable length code format

Also Published As

Publication number Publication date
BE868029A (fr) 1978-12-12
IE46860B1 (en) 1983-10-05
JPS5413731A (en) 1979-02-01
LU79877A1 (fr) 1979-02-12
GB2000663B (en) 1982-01-20
IT1097113B (it) 1985-08-26
SE438584B (sv) 1985-04-22
FR2396479A1 (fr) 1979-01-26
DE2828012A1 (de) 1979-01-04
DE2828012C2 (de) 1981-09-17
SE7807316L (sv) 1978-12-31
DK294478A (da) 1978-12-31
NL176826B (nl) 1985-01-02
NL7807141A (nl) 1979-01-03
US4228467A (en) 1980-10-14
GB2000663A (en) 1979-01-10
IT7824789A0 (it) 1978-06-21
CA1111547A (fr) 1981-10-27
DK146430C (da) 1984-03-12
NL176826C (nl) 1985-06-03
IE781310L (en) 1978-12-30
DK146430B (da) 1983-10-03
FR2396479B1 (pt) 1982-10-29

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