IL100198A - Character recognition method - Google Patents

Character recognition method

Info

Publication number
IL100198A
IL100198A IL10019891A IL10019891A IL100198A IL 100198 A IL100198 A IL 100198A IL 10019891 A IL10019891 A IL 10019891A IL 10019891 A IL10019891 A IL 10019891A IL 100198 A IL100198 A IL 100198A
Authority
IL
Israel
Prior art keywords
points
character
special
point
sequence
Prior art date
Application number
IL10019891A
Other languages
English (en)
Other versions
IL100198A0 (en
Original Assignee
Art Advanced Recognition Tech
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 Art Advanced Recognition Tech filed Critical Art Advanced Recognition Tech
Priority to IL10019891A priority Critical patent/IL100198A/en
Publication of IL100198A0 publication Critical patent/IL100198A0/xx
Priority to EP92925313A priority patent/EP0614557A4/de
Priority to CA002124569A priority patent/CA2124569A1/en
Priority to PCT/US1992/009952 priority patent/WO1993011505A1/en
Priority to AU31417/93A priority patent/AU3141793A/en
Priority to JP5510153A priority patent/JPH07509576A/ja
Priority to US08/233,086 priority patent/US5659633A/en
Publication of IL100198A publication Critical patent/IL100198A/en

Links

Classifications

    • 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
    • G06V30/32—Digital ink
    • G06V30/36—Matching; Classification
    • G06V30/373—Matching; Classification using a special pattern or subpattern alphabet
    • 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
    • G06V30/32—Digital ink
    • G06V30/333—Preprocessing; Feature extraction
    • G06V30/347—Sampling; Contour coding; Stroke extraction

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)
IL10019891A 1991-11-29 1991-11-29 Character recognition method IL100198A (en)

Priority Applications (7)

Application Number Priority Date Filing Date Title
IL10019891A IL100198A (en) 1991-11-29 1991-11-29 Character recognition method
EP92925313A EP0614557A4 (de) 1991-11-29 1992-11-19 Verfahren zur zeichenerkennung.
CA002124569A CA2124569A1 (en) 1991-11-29 1992-11-19 Character recognition method
PCT/US1992/009952 WO1993011505A1 (en) 1991-11-29 1992-11-19 Character recognition method
AU31417/93A AU3141793A (en) 1991-11-29 1992-11-19 Character recognition method
JP5510153A JPH07509576A (ja) 1991-11-29 1992-11-19 文字の認識方法
US08/233,086 US5659633A (en) 1991-11-29 1994-04-25 Character recognition method utilizing compass directions and torsion points as features

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IL10019891A IL100198A (en) 1991-11-29 1991-11-29 Character recognition method

Publications (2)

Publication Number Publication Date
IL100198A0 IL100198A0 (en) 1992-08-18
IL100198A true IL100198A (en) 1999-10-28

Family

ID=11063116

Family Applications (1)

Application Number Title Priority Date Filing Date
IL10019891A IL100198A (en) 1991-11-29 1991-11-29 Character recognition method

Country Status (7)

Country Link
US (1) US5659633A (de)
EP (1) EP0614557A4 (de)
JP (1) JPH07509576A (de)
AU (1) AU3141793A (de)
CA (1) CA2124569A1 (de)
IL (1) IL100198A (de)
WO (1) WO1993011505A1 (de)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5745599A (en) * 1994-01-19 1998-04-28 Nippon Telegraph And Telephone Corporation Character recognition method
EP0769175B9 (de) * 1994-07-01 2005-01-12 Palm Computing, Inc. Zeichensatz mit zeichen aus mehreren strichen und handschrifterkennungssystem
US5991441A (en) * 1995-06-07 1999-11-23 Wang Laboratories, Inc. Real time handwriting recognition system
US6044174A (en) * 1996-10-11 2000-03-28 Lucent Technologies Inc. Method and apparatus for parametric representation of handwritten symbols
WO1999057648A1 (en) * 1998-05-07 1999-11-11 Art - Advanced Recognition Technologies Ltd. Handwritten and voice control of vehicle components
US7158871B1 (en) 1998-05-07 2007-01-02 Art - Advanced Recognition Technologies Ltd. Handwritten and voice control of vehicle components
US6731803B1 (en) 1999-07-12 2004-05-04 Advanced Recognition Technologies, Ltd Points based handwriting recognition system
US7177473B2 (en) * 2000-12-12 2007-02-13 Nuance Communications, Inc. Handwriting data input device with multiple character sets
SE521911C2 (sv) * 2001-01-15 2003-12-16 Decuma Ab Ideon Res Park Metod, anordning och datorprogram för igenkänning av ett handskrivet tecken
US6542638B2 (en) * 2001-02-21 2003-04-01 Shannon Roy Campbell Method for matching spatial patterns
US7974472B2 (en) 2007-06-29 2011-07-05 Microsoft Corporation Feature design for HMM based Eastern Asian character recognition
JP5735126B2 (ja) * 2013-04-26 2015-06-17 株式会社東芝 システムおよび筆跡検索方法

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3930229A (en) * 1974-01-31 1975-12-30 Stanford Research Inst Handwriting system
JPS5580183A (en) * 1978-12-12 1980-06-17 Nippon Telegr & Teleph Corp <Ntt> On-line recognition processing system of hand-written character
US4561105A (en) * 1983-01-19 1985-12-24 Communication Intelligence Corporation Complex pattern recognition method and system
US4718102A (en) * 1983-01-19 1988-01-05 Communication Intelligence Corporation Process and apparatus involving pattern recognition
JPS60136892A (ja) * 1983-12-26 1985-07-20 Hitachi Ltd オンライン手書き図形認識装置
JPH07107708B2 (ja) * 1986-09-26 1995-11-15 株式会社日立製作所 パタ−ン認識方法
US4905295A (en) * 1986-11-13 1990-02-27 Ricoh Company, Ltd. Code sequence matching method and apparatus
US5038382A (en) * 1989-10-13 1991-08-06 International Business Machines Corporation Multi-scale recognizer for hand drawn strokes
US5077802A (en) * 1991-02-11 1991-12-31 Ecole Polytechnique Apparatus and method for digitizing and segmenting a handwriting movement based on curvilinear and angular velocities
US5105468A (en) * 1991-04-03 1992-04-14 At&T Bell Laboratories Time delay neural network for printed and cursive handwritten character recognition

Also Published As

Publication number Publication date
CA2124569A1 (en) 1993-06-10
EP0614557A1 (de) 1994-09-14
EP0614557A4 (de) 1995-02-15
US5659633A (en) 1997-08-19
AU3141793A (en) 1993-06-28
WO1993011505A1 (en) 1993-06-10
JPH07509576A (ja) 1995-10-19
IL100198A0 (en) 1992-08-18

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Legal Events

Date Code Title Description
FF Patent granted
KB Patent renewed
MM9K Patent not in force due to non-payment of renewal fees