FR2533041B1 - Procede de compression des donnees pour une image d'original a deux valeurs - Google Patents

Procede de compression des donnees pour une image d'original a deux valeurs

Info

Publication number
FR2533041B1
FR2533041B1 FR8314523A FR8314523A FR2533041B1 FR 2533041 B1 FR2533041 B1 FR 2533041B1 FR 8314523 A FR8314523 A FR 8314523A FR 8314523 A FR8314523 A FR 8314523A FR 2533041 B1 FR2533041 B1 FR 2533041B1
Authority
FR
France
Prior art keywords
original image
data compression
compression method
value original
value
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
Application number
FR8314523A
Other languages
English (en)
Other versions
FR2533041A1 (fr
Inventor
Shuichi Araki
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.)
Dainippon Screen Manufacturing Co Ltd
Original Assignee
Dainippon Screen Manufacturing Co Ltd
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 Dainippon Screen Manufacturing Co Ltd filed Critical Dainippon Screen Manufacturing Co Ltd
Publication of FR2533041A1 publication Critical patent/FR2533041A1/fr
Application granted granted Critical
Publication of FR2533041B1 publication Critical patent/FR2533041B1/fr
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/018—Input/output arrangements for oriental characters
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41B—MACHINES OR ACCESSORIES FOR MAKING, SETTING, OR DISTRIBUTING TYPE; TYPE; PHOTOGRAPHIC OR PHOTOELECTRIC COMPOSING DEVICES
    • B41B19/00—Photoelectronic composing machines
    • B41B19/01—Photoelectronic composing machines having electron-beam tubes producing an image of at least one character which is photographed
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/002—Specific input/output arrangements not covered by G06F3/01 - G06F3/16
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G5/00—Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators
    • G09G5/22—Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators characterised by the display of characters or indicia using display control signals derived from coded signals representing the characters or indicia, e.g. with a character-code memory
    • G09G5/24—Generation of individual character patterns
    • G09G5/246—Generation of individual character patterns of ideographic or arabic-like characters

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Human Computer Interaction (AREA)
  • Computer Hardware Design (AREA)
  • Image Processing (AREA)
  • Controls And Circuits For Display Device (AREA)
FR8314523A 1982-09-13 1983-09-13 Procede de compression des donnees pour une image d'original a deux valeurs Expired FR2533041B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP57159225A JPS5947666A (ja) 1982-09-13 1982-09-13 ２値画像のデ−タ圧縮方法

Publications (2)

Publication Number Publication Date
FR2533041A1 FR2533041A1 (fr) 1984-03-16
FR2533041B1 true FR2533041B1 (fr) 1988-12-16

Family

ID=15689068

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8314523A Expired FR2533041B1 (fr) 1982-09-13 1983-09-13 Procede de compression des donnees pour une image d'original a deux valeurs

Country Status (5)

Country Link
US (1) US4566128A (fr)
JP (1) JPS5947666A (fr)
DE (1) DE3326725C2 (fr)
FR (1) FR2533041B1 (fr)
GB (1) GB2129660B (fr)

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JPS59205874A (ja) * 1983-05-10 1984-11-21 Canon Inc 画像デ−タ圧縮装置
GB2161006B (en) * 1984-04-27 1988-02-10 Canon Kk Character recognition apparatus
US4573199A (en) * 1984-05-09 1986-02-25 International Business Machines Corp. Kanji/Chinese font generation by scaling
US4777651A (en) * 1984-06-25 1988-10-11 Tektronix, Inc. Method of pixel to vector conversion in an automatic picture coding system
JPS6140684A (ja) * 1984-07-31 1986-02-26 Omron Tateisi Electronics Co 輪郭追跡装置
JPS61208184A (ja) * 1985-03-12 1986-09-16 Fujitsu Ltd パタ−ン情報量圧縮方式
US4797741A (en) * 1985-08-28 1989-01-10 Canon Kabushiki Kaisha Information signal transmission system
US5365599A (en) * 1985-10-07 1994-11-15 Canon Kabushiki Kaisha Method and system of converting delineative pattern
JPS6282484A (ja) * 1985-10-07 1987-04-15 Canon Inc 線形図形の変換方法
JPH0719392B2 (ja) * 1985-11-26 1995-03-06 株式会社シーエスケイ 光記録媒体の角度変位修正方法
JPS63173485A (ja) * 1987-01-13 1988-07-18 Toshiba Corp 画像デ−タ圧縮装置
FR2612665B1 (fr) * 1987-03-16 1989-06-09 Onera (Off Nat Aerospatiale) Dispositif et procede pour le traitement d'images numerisees
US4837848A (en) * 1987-03-27 1989-06-06 Netexpress Systems, Inc. Apparatus for selecting a reference line for image data compression
JP2735197B2 (ja) * 1987-11-12 1998-04-02 株式会社東芝 図形入力装置
KR930003416B1 (ko) * 1988-03-29 1993-04-29 주식회사 금성사 폰트의 함축방법
JP2790815B2 (ja) * 1988-08-10 1998-08-27 株式会社リコー 画像データ圧縮方法
US5228097A (en) * 1989-02-07 1993-07-13 Ezel, Inc. Method for registering image data
JP2806961B2 (ja) * 1989-02-22 1998-09-30 株式会社リコー 画像符号化方法
US5158419A (en) * 1990-05-24 1992-10-27 Hogan Mfg., Inc. Wheelchair lift for transit vehicles having elevated passenger compartment floor
CA2077970C (fr) * 1991-11-19 1999-02-23 Daniel P. Huttenlocher Reconnaissance optique des mots d'apres la forme
JP3576570B2 (ja) * 1991-11-19 2004-10-13 ゼロックス コーポレイション 比較方法
US5321770A (en) * 1991-11-19 1994-06-14 Xerox Corporation Method for determining boundaries of words in text
CA2077969C (fr) * 1991-11-19 1997-03-04 Daniel P. Huttenlocher Methode pour deriver des formes aux fins de comparaison subsequente
JPH05234774A (ja) * 1992-02-24 1993-09-10 Mitsubishi Electric Corp 車両用変圧器
US6125207A (en) * 1995-06-05 2000-09-26 Motorola, Inc. Encoded facsimile communication with a selective system and method therefor
JP3061765B2 (ja) 1996-05-23 2000-07-10 ゼロックス コーポレイション コンピュータベースの文書処理方法
US5884014A (en) * 1996-05-23 1999-03-16 Xerox Corporation Fontless structured document image representations for efficient rendering
KR100209132B1 (ko) * 1996-07-11 1999-07-15 전주범 블럭-기반 물체 윤곽 부호화 방법
US5995672A (en) * 1996-11-08 1999-11-30 Hughes Electronics Corporation Method for reducing alpha plane bit mask size
US5956428A (en) * 1997-05-19 1999-09-21 Ausbeck, Jr.; Paul James Stroke code for image partitions
US6345124B1 (en) * 1998-10-29 2002-02-05 Foursis Corporation Image conversion based on edges
JP4408836B2 (ja) 2005-05-30 2010-02-03 キヤノン株式会社 画像処理装置及びその制御方法、プログラム
JP4582200B2 (ja) * 2008-06-03 2010-11-17 コニカミノルタビジネステクノロジーズ株式会社 画像処理装置、画像変換方法、およびコンピュータプログラム
US8458485B2 (en) * 2009-06-17 2013-06-04 Microsoft Corporation Image-based unlock functionality on a computing device
JP4475680B2 (ja) * 2009-07-14 2010-06-09 キヤノン株式会社 画像処理装置及びその制御方法、プログラム
CN102087737B (zh) * 2010-06-21 2012-06-13 无锡安则通科技有限公司 Dsp系统中图像快速边缘提取算法
US9323726B1 (en) * 2012-06-27 2016-04-26 Amazon Technologies, Inc. Optimizing a glyph-based file
CA2929223C (fr) 2013-09-27 2023-10-31 Dexter C. DRAYTON Appareil de garrot mecanique et procede d'utilisation
US11504135B2 (en) 2013-09-27 2022-11-22 Alphapointe Mechanical tourniquet apparatus and method of use

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4150401A (en) * 1975-10-03 1979-04-17 Kokusai Denshin Denwa Kabushiki Kaisha Facsimile signal converter
GB1517870A (en) * 1976-12-20 1978-07-12 Ibm Apparatus for producing vectors from raster scanned data
JPS55112076A (en) * 1979-02-22 1980-08-29 Ricoh Co Ltd Predictive restoration method for high-density picture element
JPS5666971A (en) * 1979-11-05 1981-06-05 Dainippon Screen Mfg Co Ltd Picture data compressing method
US4409623A (en) * 1981-01-31 1983-10-11 Nippon Telegraph & Telephone Public Corporation Method and equipment for processing gray scale facsimile signal
JPS5881383A (ja) * 1981-11-11 1983-05-16 Dainippon Screen Mfg Co Ltd ２値画像のデ−タ圧縮方法

Also Published As

Publication number Publication date
FR2533041A1 (fr) 1984-03-16
DE3326725C2 (de) 1986-09-25
GB2129660B (en) 1986-07-30
JPS6367218B2 (fr) 1988-12-23
GB8324334D0 (en) 1983-10-12
GB2129660A (en) 1984-05-16
JPS5947666A (ja) 1984-03-17
DE3326725A1 (de) 1984-03-15
US4566128A (en) 1986-01-21

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Legal Events

Date Code Title Description
ST Notification of lapse