DE3484136D1 - Verfahren zur umsetzung einer bitkarte eines bildes in einer lauflaengen- oder laufendendarstellung. - Google Patents

Verfahren zur umsetzung einer bitkarte eines bildes in einer lauflaengen- oder laufendendarstellung.

Info

Publication number
DE3484136D1
DE3484136D1 DE8484115009T DE3484136T DE3484136D1 DE 3484136 D1 DE3484136 D1 DE 3484136D1 DE 8484115009 T DE8484115009 T DE 8484115009T DE 3484136 T DE3484136 T DE 3484136T DE 3484136 D1 DE3484136 D1 DE 3484136D1
Authority
DE
Germany
Prior art keywords
running
bitcard
implementing
image
display
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
DE8484115009T
Other languages
English (en)
Inventor
Karen Louise Anderson
Gerald Goertzel
Joan La Verne Mitchell
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.)
International Business Machines Corp
Original Assignee
International Business Machines Corp
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 International Business Machines Corp filed Critical International Business Machines Corp
Application granted granted Critical
Publication of DE3484136D1 publication Critical patent/DE3484136D1/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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
    • 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)
  • Signal Processing (AREA)
  • Theoretical Computer Science (AREA)
  • Image Processing (AREA)
  • Digital Computer Display Output (AREA)
DE8484115009T 1983-12-30 1984-12-11 Verfahren zur umsetzung einer bitkarte eines bildes in einer lauflaengen- oder laufendendarstellung. Expired - Fee Related DE3484136D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/567,218 US4610027A (en) 1983-12-30 1983-12-30 Method for converting a bit map of an image to a run length or run end representation

Publications (1)

Publication Number Publication Date
DE3484136D1 true DE3484136D1 (de) 1991-03-28

Family

ID=24266234

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8484115009T Expired - Fee Related DE3484136D1 (de) 1983-12-30 1984-12-11 Verfahren zur umsetzung einer bitkarte eines bildes in einer lauflaengen- oder laufendendarstellung.

Country Status (5)

Country Link
US (1) US4610027A (de)
EP (1) EP0149122B1 (de)
JP (1) JPS60146326A (de)
CA (1) CA1232356A (de)
DE (1) DE3484136D1 (de)

Families Citing this family (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3472324D1 (en) * 1983-12-19 1988-07-28 Studer Willi Ag Method and apparatus for reproducing digitized signals, transmitted as digital signals in pulse form
JPS60198966A (ja) * 1984-03-22 1985-10-08 Fujitsu Ltd 符号デ−タ処理方式
US4646356A (en) * 1984-06-29 1987-02-24 International Business Machines Corporation Method for converting a bit map of an image to a run length or run end representation
EP0212905B1 (de) * 1985-08-08 1994-06-08 Canon Kabushiki Kaisha Gerät zum Dekodieren eines Bildkodes
US4783834A (en) * 1987-02-20 1988-11-08 International Business Machines Corporation System for creating transposed image data from a run end or run length representation of an image
US4870498A (en) * 1987-09-15 1989-09-26 Printware, Inc. Decompressing run-length-encoded to transition-encoded font image information in an image generator
JP2672521B2 (ja) * 1987-09-21 1997-11-05 株式会社東芝 画像処理方法
US4866784A (en) * 1987-12-02 1989-09-12 Eastman Kodak Company Skew detector for digital image processing system
US4813056A (en) * 1987-12-08 1989-03-14 General Electric Company Modified statistical coding of digital signals
US5095512A (en) * 1988-10-24 1992-03-10 Netexpress Systems, Inc. Method and apparatus for manipulating image data employing an intermediate format
US5146221A (en) * 1989-01-13 1992-09-08 Stac, Inc. Data compression apparatus and method
US5532694A (en) * 1989-01-13 1996-07-02 Stac Electronics, Inc. Data compression apparatus and method using matching string searching and Huffman encoding
US5049880A (en) * 1990-04-02 1991-09-17 Tektronix, Inc. Bit-wise run-length encoding for data compression
JPH05130434A (ja) * 1991-10-31 1993-05-25 Canon Inc 画像圧縮装置
JP2959916B2 (ja) * 1992-10-28 1999-10-06 松下電器産業株式会社 デジタル・ビデオ・コーダ用のバーサタイルなエスケープ・ラン・レベル・コーダ
US5363098A (en) * 1993-10-25 1994-11-08 Digital Equipment Corporation Byte aligned data compression
JP2836467B2 (ja) * 1993-12-16 1998-12-14 日本電気株式会社 ２値シンボルの符号化・復号化回路
GB2290430B (en) * 1994-06-09 1998-08-05 Screen Subtitling Systems Ltd Subtitling video data
PL186340B1 (pl) * 1995-02-03 2003-12-31 Koninkl Philips Electronics Nv Sposób i urządzenie do kodowania obrazu wizyjnegooraz urządzenie do odbioru i dekodowania sygnału obrazu wizyjnego
US7146053B1 (en) 2000-05-10 2006-12-05 International Business Machines Corporation Reordering of compressed data
US6941019B1 (en) 2000-05-10 2005-09-06 International Business Machines Corporation Reentry into compressed data
DE10205546B4 (de) * 2002-02-11 2006-01-12 Nexpress Solutions Llc Verfahren zur Datenkomprimierung von Bildmaskendaten
EP1988703A1 (de) * 2007-05-02 2008-11-05 TTPCOM Limited Bildtransformation
CN101697116B (zh) * 2009-10-27 2011-11-09 飞天诚信科技股份有限公司 数据变换方法及装置

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3980809A (en) * 1973-07-16 1976-09-14 International Business Machines Corporation Encoding logic for reduced bandwidth pictorial data transmission system
AU503988B2 (en) * 1975-11-25 1979-09-27 Rudolf Hell Gmbh Digital programme length coding with redundancy reduction forthe transmission of binary coded image information
JPS53134340A (en) * 1977-04-28 1978-11-22 Ricoh Co Ltd Run length coding system
JPS5610774A (en) * 1979-07-09 1981-02-03 Ricoh Co Ltd Facsimile device
US4327379A (en) * 1980-04-11 1982-04-27 Xerox Corporation Hardware implementation of 4-pixel code encoder
US4386373A (en) * 1980-07-18 1983-05-31 Ricoh Company, Ltd. Facsimile apparatus
JPS5761379A (en) * 1980-09-30 1982-04-13 Ricoh Co Ltd Encoding or decoding device
KR850001657B1 (ko) * 1981-03-06 1985-11-06 야마모도 다꾸마 영상(影像) 데이터 변환법 및 문자 코우드와 문자패턴 변환장치
JPS57197961A (en) * 1981-03-11 1982-12-04 Fujitsu Ltd Conversion system for image data
JPS5836073A (ja) * 1981-08-27 1983-03-02 Kokusai Denshin Denwa Co Ltd <Kdd> ペアラン符号化方式

Also Published As

Publication number Publication date
JPS60146326A (ja) 1985-08-02
EP0149122B1 (de) 1991-02-20
JPH0473667B2 (de) 1992-11-24
CA1232356A (en) 1988-02-02
US4610027A (en) 1986-09-02
EP0149122A2 (de) 1985-07-24
EP0149122A3 (en) 1987-07-15

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Legal Events

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