DE69736134D1 - Verfahren zur karaktererkennung auf einer pixelmatrix - Google Patents

Verfahren zur karaktererkennung auf einer pixelmatrix

Info

Publication number
DE69736134D1
DE69736134D1 DE69736134T DE69736134T DE69736134D1 DE 69736134 D1 DE69736134 D1 DE 69736134D1 DE 69736134 T DE69736134 T DE 69736134T DE 69736134 T DE69736134 T DE 69736134T DE 69736134 D1 DE69736134 D1 DE 69736134D1
Authority
DE
Germany
Prior art keywords
lines
cipher
location
matrix
line
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 - Lifetime
Application number
DE69736134T
Other languages
English (en)
Inventor
L Thompson
Saun A Van
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.)
Faxtrieve Inc
Original Assignee
Faxtrieve Inc
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 Faxtrieve Inc filed Critical Faxtrieve Inc
Application granted granted Critical
Publication of DE69736134D1 publication Critical patent/DE69736134D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V10/00—Arrangements for image or video recognition or understanding
    • G06V10/40—Extraction of image or video features
    • G06V10/44—Local feature extraction by analysis of parts of the pattern, e.g. by detecting edges, contours, loops, corners, strokes or intersections; Connectivity analysis, e.g. of connected components
    • 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)
  • Computer Vision & Pattern Recognition (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Multimedia (AREA)
  • Theoretical Computer Science (AREA)
  • Character Discrimination (AREA)
  • Image Processing (AREA)
  • Character Input (AREA)
  • Holo Graphy (AREA)
DE69736134T 1996-09-05 1997-09-05 Verfahren zur karaktererkennung auf einer pixelmatrix Expired - Lifetime DE69736134D1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/706,577 US5825923A (en) 1996-09-05 1996-09-05 Method for performing character recognition on a pixel matrix
PCT/US1997/015597 WO1998010369A1 (en) 1996-09-05 1997-09-05 Method for performing character recognition on a pixel matrix

Publications (1)

Publication Number Publication Date
DE69736134D1 true DE69736134D1 (de) 2006-07-27

Family

ID=24838195

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69736134T Expired - Lifetime DE69736134D1 (de) 1996-09-05 1997-09-05 Verfahren zur karaktererkennung auf einer pixelmatrix

Country Status (7)

Country Link
US (1) US5825923A (de)
EP (1) EP1010128B1 (de)
JP (1) JP2001506383A (de)
AT (1) ATE330290T1 (de)
CA (1) CA2263734C (de)
DE (1) DE69736134D1 (de)
WO (1) WO1998010369A1 (de)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6094484A (en) * 1996-10-16 2000-07-25 Convey Corporation Isomorphic pattern recognition
US6678681B1 (en) 1999-03-10 2004-01-13 Google Inc. Information extraction from a database
US7197174B1 (en) 1999-09-15 2007-03-27 Intel Corporation Magnetic ink encoding pen
US10063727B2 (en) * 2015-12-29 2018-08-28 Kabushiki Kaisha Toshiba Marking apparatus and decoloring apparatus
US10878271B2 (en) * 2019-03-19 2020-12-29 Capital One Services, Llc Systems and methods for separating ligature characters in digitized document images

Family Cites Families (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4132976A (en) * 1975-09-08 1979-01-02 Siegal Richard G Operator readable and machine readable character recognition systems
US4048615A (en) * 1976-06-04 1977-09-13 Recognition Equipment Incorporated Automated character recognition system
US4491960A (en) * 1982-04-05 1985-01-01 The United States Of America As Represented By The Secretary Of The Navy Handprinted symbol recognition system
US4891750A (en) * 1986-10-29 1990-01-02 Pitney Bowes Inc. Optical character recognition by forming and detecting matrices of geo features
FR2608295B1 (fr) * 1986-12-12 1989-03-31 France Etat Procede et dispositif de reconnaissance de caracteres
JP3017740B2 (ja) * 1988-08-23 2000-03-13 ソニー株式会社 オンライン文字認識装置およびオンライン文字認識方法
US4987603A (en) * 1988-09-22 1991-01-22 Glory Kogyo Kabushiki Kaisha Recognition method for letter patterns
US5235650A (en) * 1989-02-02 1993-08-10 Samsung Electronics Co. Ltd. Pattern classifier for character recognition
JPH03218589A (ja) * 1990-01-24 1991-09-26 Syst Yamato:Kk ファクシミリを利用したコンピュータ入力システム
CA2036974C (en) * 1990-02-26 1996-06-11 Masayuki Kimura Pattern recognition data processing device using an associative matching method
CA2037173C (en) * 1990-03-30 1996-01-09 Hirofumi Kameyama Character recognizing system
US5459796A (en) * 1990-10-22 1995-10-17 The Watt Stopper System for entering handwritten data into computer generated forms
US5151950A (en) * 1990-10-31 1992-09-29 Go Corporation Method for recognizing handwritten characters using shape and context analysis
US5307424A (en) * 1990-12-12 1994-04-26 Eberhard Kuehl Character recognition system
EP0508845B1 (de) * 1991-03-11 2001-11-07 Nippon Telegraph And Telephone Corporation Verfahren und Gerät zur Bildverarbeitung
US5313527A (en) * 1991-06-07 1994-05-17 Paragraph International Method and apparatus for recognizing cursive writing from sequential input information
US5267332A (en) * 1991-06-19 1993-11-30 Technibuild Inc. Image recognition system
US5325447A (en) * 1991-10-02 1994-06-28 Environmental Research Institute Of Michigan Handwritten digit normalization method
US5479533A (en) * 1992-02-28 1995-12-26 Yamatake-Honeywell Co., Ltd. Pattern recognition apparatus and method using fuzzy logic
US5319721A (en) * 1992-04-14 1994-06-07 International Business Machines Corporation Methods and apparatus for evolving a starter set of handwriting prototypes into a user-specific set
CA2097095A1 (en) * 1992-07-29 1994-01-30 Frank William Sinden Method of normalizing handwritten symbols
US5515455A (en) * 1992-09-02 1996-05-07 The Research Foundation Of State University Of New York At Buffalo System for recognizing handwritten words of cursive script
WO1994027251A1 (en) * 1993-05-18 1994-11-24 Massachusetts Institute Of Technology Automated reading system and method
US5454046A (en) * 1993-09-17 1995-09-26 Penkey Corporation Universal symbolic handwriting recognition system
US5438631A (en) * 1993-10-12 1995-08-01 Dai; Xiao-Wei Handwriting and character recognition system

Also Published As

Publication number Publication date
WO1998010369A1 (en) 1998-03-12
EP1010128B1 (de) 2006-06-14
EP1010128A1 (de) 2000-06-21
ATE330290T1 (de) 2006-07-15
US5825923A (en) 1998-10-20
EP1010128A4 (de) 2000-06-21
JP2001506383A (ja) 2001-05-15
CA2263734C (en) 2003-04-08
CA2263734A1 (en) 1998-03-12

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