FR2236232A1 - - Google Patents

Info

Publication number
FR2236232A1
FR2236232A1 FR7422629A FR7422629A FR2236232A1 FR 2236232 A1 FR2236232 A1 FR 2236232A1 FR 7422629 A FR7422629 A FR 7422629A FR 7422629 A FR7422629 A FR 7422629A FR 2236232 A1 FR2236232 A1 FR 2236232A1
Authority
FR
France
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.)
Granted
Application number
FR7422629A
Other versions
FR2236232B1 (fr
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.)
Ricoh Co Ltd
Original Assignee
Ricoh 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 Ricoh Co Ltd filed Critical Ricoh Co Ltd
Publication of FR2236232A1 publication Critical patent/FR2236232A1/fr
Application granted granted Critical
Publication of FR2236232B1 publication Critical patent/FR2236232B1/fr
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T11/00—2D [Two Dimensional] image generation
    • G06T11/20—Drawing from basic elements, e.g. lines or circles
    • G06T11/203—Drawing of straight lines or curves
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V30/00—Character recognition; Recognising digital ink; Document-oriented image-based pattern recognition
    • G06V30/10—Character recognition
    • G06V30/16—Image preprocessing
    • G06V30/168—Smoothing or thinning of the pattern; Skeletonisation
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V30/00—Character recognition; Recognising digital ink; Document-oriented image-based pattern recognition
    • G06V30/10—Character recognition

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Multimedia (AREA)
  • Character Input (AREA)
  • Image Processing (AREA)
  • Controls And Circuits For Display Device (AREA)
FR7422629A 1973-07-02 1974-06-28 Expired FR2236232B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7464973A JPS5637586B2 (fr) 1973-07-02 1973-07-02

Publications (2)

Publication Number Publication Date
FR2236232A1 true FR2236232A1 (fr) 1975-01-31
FR2236232B1 FR2236232B1 (fr) 1977-10-07

Family

ID=13553277

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7422629A Expired FR2236232B1 (fr) 1973-07-02 1974-06-28

Country Status (6)

Country Link
US (1) US4010446A (fr)
JP (1) JPS5637586B2 (fr)
DE (1) DE2431451C3 (fr)
FR (1) FR2236232B1 (fr)
GB (1) GB1471982A (fr)
NL (1) NL7408934A (fr)

Families Citing this family (29)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2816839C3 (de) * 1978-04-18 1981-03-26 Computer Gesellschaft Konstanz Mbh, 7750 Konstanz Schaltungsanordnung zum Aufbereiten eines abgetasteten Musters
US4517604A (en) * 1983-04-04 1985-05-14 International Business Machines Corporation Method for reducing line width variations in bilevel video images
JPS59219800A (ja) * 1983-05-27 1984-12-11 株式会社リコー 音声パターン比較方法
JP2602201B2 (ja) * 1985-04-12 1997-04-23 株式会社日立製作所 被検査パターンの欠陥検査方法
JPH051187Y2 (fr) * 1985-06-18 1993-01-13
US4698843A (en) * 1985-08-19 1987-10-06 Rca Corporation Method for compensating for void-defects in images
JPS63265371A (ja) * 1986-12-15 1988-11-01 Toshiba Corp 線図形つなぎ装置
US4791679A (en) * 1987-12-26 1988-12-13 Eastman Kodak Company Image character enhancement using a stroke strengthening kernal
EP0448109A3 (fr) * 1990-03-23 1991-10-30 Fuji Photo Film Co., Ltd. Méthode de traitement d'image
FR2661061B1 (fr) * 1990-04-11 1992-08-07 Multi Media Tech Procede et dispositif de modification de zone d'images.
US5054102A (en) * 1990-06-11 1991-10-01 Eastman Kodak Company Self-centering character stroke thickening for optical character recognition
US5250934A (en) * 1990-12-31 1993-10-05 Xerox Corporation Method and apparatus for thinning printed images
JPH04294166A (ja) * 1991-03-25 1992-10-19 Ricoh Co Ltd 画像処理装置
WO1993002524A1 (fr) * 1991-07-19 1993-02-04 Princeton Electronic Billboard Images televisees a indices inseres selectionnes
JPH05292264A (ja) * 1992-04-09 1993-11-05 Ricoh Co Ltd 画像処理装置
WO1994027251A1 (fr) * 1993-05-18 1994-11-24 Massachusetts Institute Of Technology Systeme et procede de lecture automatise
JPH06334844A (ja) * 1993-05-20 1994-12-02 Canon Inc データ処理方法及びそれを用いた記録装置
JPH07136360A (ja) * 1993-11-15 1995-05-30 Brother Ind Ltd 刺繍データ作成装置
IL109487A (en) 1994-04-29 1996-09-12 Orad Hi Tec Systems Ltd Chromakeying system
JPH08339449A (ja) * 1995-04-11 1996-12-24 Canon Inc 画像処理装置及びその方法
US5835640A (en) * 1995-05-03 1998-11-10 Seiko Epson Corporation Method and apparatus for identifying and fixing horizontal and vertical lines in digitized images
GB9601101D0 (en) 1995-09-08 1996-03-20 Orad Hi Tech Systems Limited Method and apparatus for automatic electronic replacement of billboards in a video image
GB2305050A (en) * 1995-09-08 1997-03-26 Orad Hi Tec Systems Ltd Determining the position of a television camera for use in a virtual studio employing chroma keying
FR2742899B1 (fr) * 1995-12-21 1998-02-06 Sextant Avionique Procede et systeme d'affichage d'images symboliques
JP3777785B2 (ja) * 1998-03-18 2006-05-24 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
US6671070B1 (en) * 1999-10-05 2003-12-30 Dotrix N.V. Coverage-area gain compensation for high resolution printing
US8472076B2 (en) * 2009-08-05 2013-06-25 Canon Kabushiki Kaisha Detecting and removing blur of a character by comparison with the original image after a thinning and fattening operation
US20130039589A1 (en) * 2011-08-11 2013-02-14 I. R. I. S. Pattern recognition process, computer program product and mobile terminal
JP6541320B2 (ja) * 2014-09-24 2019-07-10 キヤノン株式会社 画像処理装置、画像処理方法、コンピュータプログラム

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1311541A (en) * 1969-03-31 1973-03-28 Tokyo Shibaura Electric Co Pattern reading system

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL244109A (fr) * 1958-10-07
DE1250166B (de) * 1962-05-21 1967-09-14 International Business Machines Corporation Armonk, NY (V St A) Vorrichtung zur maschinellen Zeichen erkennung
US3573789A (en) * 1968-12-13 1971-04-06 Ibm Method and apparatus for increasing image resolution
GB1319158A (en) * 1969-11-05 1973-06-06 Kogyo Gijutsuin Pattern processing systems
NL7016538A (fr) * 1970-11-12 1972-05-16
JPS48102926A (fr) * 1972-04-07 1973-12-24
CH588542A5 (fr) * 1972-08-03 1977-06-15 Ciba Geigy Ag

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1311541A (en) * 1969-03-31 1973-03-28 Tokyo Shibaura Electric Co Pattern reading system

Also Published As

Publication number Publication date
FR2236232B1 (fr) 1977-10-07
GB1471982A (en) 1977-04-27
DE2431451A1 (de) 1975-01-30
DE2431451C3 (de) 1978-09-14
JPS5637586B2 (fr) 1981-09-01
DE2431451B2 (de) 1976-12-23
JPS5023941A (fr) 1975-03-14
NL7408934A (nl) 1975-01-06
US4010446A (en) 1977-03-01

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Legal Events

Date Code Title Description
ST Notification of lapse