DE69333431D1 - Verfahren zum Erkennen von handgeschriebenen Symbolen - Google Patents

Verfahren zum Erkennen von handgeschriebenen Symbolen

Info

Publication number
DE69333431D1
DE69333431D1 DE69333431T DE69333431T DE69333431D1 DE 69333431 D1 DE69333431 D1 DE 69333431D1 DE 69333431 T DE69333431 T DE 69333431T DE 69333431 T DE69333431 T DE 69333431T DE 69333431 D1 DE69333431 D1 DE 69333431D1
Authority
DE
Germany
Prior art keywords
recognizing handwritten
handwritten symbols
symbols
recognizing
handwritten
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
DE69333431T
Other languages
English (en)
Other versions
DE69333431T2 (de
Inventor
Frank William Sinden
Gordon Thomas Wilfong
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.)
AT&T Corp
Original Assignee
AT&T 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 AT&T Corp filed Critical AT&T Corp
Publication of DE69333431D1 publication Critical patent/DE69333431D1/de
Application granted granted Critical
Publication of DE69333431T2 publication Critical patent/DE69333431T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G07—CHECKING-DEVICES
    • G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
    • G07C9/00—Individual registration on entry or exit
    • G07C9/30—Individual registration on entry or exit not involving the use of a pass
    • G07C9/32—Individual registration on entry or exit not involving the use of a pass in combination with an identity check
    • G07C9/35—Individual registration on entry or exit not involving the use of a pass in combination with an identity check by means of a handwritten signature
    • 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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Multimedia (AREA)
  • Theoretical Computer Science (AREA)
  • Character Discrimination (AREA)
  • Character Input (AREA)
DE69333431T 1992-03-24 1993-03-18 Verfahren zum Erkennen von handgeschriebenen Symbolen Expired - Lifetime DE69333431T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US07/857,198 US5333209A (en) 1992-03-24 1992-03-24 Method of recognizing handwritten symbols
US857198 1992-03-24

Publications (2)

Publication Number Publication Date
DE69333431D1 true DE69333431D1 (de) 2004-04-08
DE69333431T2 DE69333431T2 (de) 2005-03-03

Family

ID=25325428

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69333431T Expired - Lifetime DE69333431T2 (de) 1992-03-24 1993-03-18 Verfahren zum Erkennen von handgeschriebenen Symbolen

Country Status (7)

Country Link
US (1) US5333209A (de)
EP (1) EP0562767B1 (de)
JP (1) JP3004495B2 (de)
CA (1) CA2091617C (de)
DE (1) DE69333431T2 (de)
FI (1) FI931283A (de)
SG (1) SG52220A1 (de)

Families Citing this family (57)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2678407A1 (fr) * 1991-06-28 1992-12-31 Philips Electronique Lab Procede et dispositif avec un reseau neuronal pour classer des donnees, et appareil d'authentification de signature.
US5825921A (en) * 1993-03-19 1998-10-20 Intel Corporation Memory transfer apparatus and method useful within a pattern recognition system
US5546565A (en) * 1993-06-21 1996-08-13 Casio Computer Co., Ltd. Input/output apparatus having a pen, and method of associating and processing handwritten image data and voice data
US5583946A (en) * 1993-09-30 1996-12-10 Apple Computer, Inc. Method and apparatus for recognizing gestures on a computer system
US6366697B1 (en) 1993-10-06 2002-04-02 Xerox Corporation Rotationally desensitized unistroke handwriting recognition
JP3466689B2 (ja) * 1994-01-26 2003-11-17 キヤノン株式会社 手書き文字認識方法及びその装置
IL108566A0 (en) * 1994-02-04 1994-05-30 Baron Research & Dev Company L Handwriting input apparatus using more than one sensing technique
US5687254A (en) * 1994-06-06 1997-11-11 Xerox Corporation Searching and Matching unrecognized handwriting
US5644656A (en) * 1994-06-07 1997-07-01 Massachusetts Institute Of Technology Method and apparatus for automated text recognition
US5640492A (en) * 1994-06-30 1997-06-17 Lucent Technologies Inc. Soft margin classifier
WO1996001453A1 (en) 1994-07-01 1996-01-18 Palm Computing, Inc. Multiple pen stroke character set and handwriting recognition system
JPH0896129A (ja) * 1994-09-21 1996-04-12 Omron Corp モデル画像登録方法
JPH08249422A (ja) * 1995-03-08 1996-09-27 Canon Inc 文字処理装置及び方法
JPH08286807A (ja) * 1995-04-18 1996-11-01 Canon Inc データ処理装置及びそのジェスチャ認識方法
US6044165A (en) * 1995-06-15 2000-03-28 California Institute Of Technology Apparatus and method for tracking handwriting from visual input
US5959260A (en) * 1995-07-20 1999-09-28 Motorola, Inc. Method for entering handwritten information in cellular telephones
JP3535624B2 (ja) * 1995-09-21 2004-06-07 キヤノン株式会社 検索装置及び方法
JPH09128490A (ja) 1995-10-16 1997-05-16 Lucent Technol Inc 手書き文字認識方法および手書き文字認識装置
US5838819A (en) * 1995-11-14 1998-11-17 Lucent Technologies Inc. System and method for processing and managing electronic copies of handwritten notes
US6044174A (en) * 1996-10-11 2000-03-28 Lucent Technologies Inc. Method and apparatus for parametric representation of handwritten symbols
JP3969775B2 (ja) 1996-12-17 2007-09-05 キヤノン株式会社 手書き情報入力装置および手書き情報入力方法
JP3006545B2 (ja) * 1997-06-09 2000-02-07 日本電気株式会社 オンライン文字認識装置
US6144764A (en) * 1997-07-02 2000-11-07 Mitsui High-Tec, Inc. Method and apparatus for on-line handwritten input character recognition and recording medium for executing the method
WO1999030280A1 (en) * 1997-12-05 1999-06-17 Dynamic Digital Depth Research Pty. Ltd. Improved image conversion and encoding techniques
EP1601172B1 (de) 1997-12-29 2007-10-03 Samsung Electronics Co., Ltd. Mobiles Kommunikationsendgerät mit Berührungseingabefeld
US6898315B2 (en) 1998-03-23 2005-05-24 Microsoft Corporation Feature extraction for real-time pattern recognition using single curve per pattern analysis
US6320985B1 (en) * 1998-07-31 2001-11-20 International Business Machines Corporation Apparatus and method for augmenting data in handwriting recognition system
SE514377C2 (sv) * 1998-08-26 2001-02-19 Gunnar Sparr Teckenigenkänning
US6826306B1 (en) * 1999-01-29 2004-11-30 International Business Machines Corporation System and method for automatic quality assurance of user enrollment in a recognition system
ATE265716T1 (de) * 2000-02-16 2004-05-15 Ericsson Telefon Ab L M Stiftdrucker
US6839623B1 (en) 2000-02-16 2005-01-04 Telefonaktiebolaget Lm Ericsson (Publ) Positioning applications for an electronic reading device
US6885878B1 (en) 2000-02-16 2005-04-26 Telefonaktiebolaget L M Ericsson (Publ) Method and system for using an electronic reading device as a general application input and navigation interface
US20010033293A1 (en) * 2000-02-16 2001-10-25 Magnus Hollstrom Electronic pen help feedback and information retrieval
US6952497B1 (en) * 2000-02-16 2005-10-04 Telefonaktiebolaget L M Ericsson (Publ) Method and system for electronically recording transactions and performing security function
US6832116B1 (en) 2000-02-16 2004-12-14 Telefonaktiebolaget L M Ericsson (Publ) Method and system for controlling an electronic utility device using an electronic reading device
US6681044B1 (en) * 2000-03-29 2004-01-20 Matsushita Electric Industrial Co., Ltd. Retrieval of cursive Chinese handwritten annotations based on radical model
US6724936B1 (en) * 2000-08-23 2004-04-20 Art-Advanced Recognition Technologies, Ltd. Handwriting input device and method using a single character set
US6867765B2 (en) * 2000-10-06 2005-03-15 International Business Machines Corporation Use of a paper pad with uniquely identified pages in a digitizer system
WO2003023696A1 (en) * 2001-09-12 2003-03-20 Auburn University System and method of handwritten character recognition
EP1535237A1 (de) 2002-09-04 2005-06-01 Fachhochschule Regensburg Biometrisches akustisches schreibsystem und verfahren zur personenidentifikation und handschriftenerkennung mittels biometrischer daten
US7203384B2 (en) * 2003-02-24 2007-04-10 Electronic Scripting Products, Inc. Implement for optically inferring information from a planar jotting surface
US7088440B2 (en) * 2003-12-22 2006-08-08 Electronic Scripting Products, Inc. Method and apparatus for determining absolute position of a tip of an elongate object on a plane surface with invariant features
US9229540B2 (en) 2004-01-30 2016-01-05 Electronic Scripting Products, Inc. Deriving input from six degrees of freedom interfaces
US7961909B2 (en) * 2006-03-08 2011-06-14 Electronic Scripting Products, Inc. Computer interface employing a manipulated object with absolute pose detection component and a display
US7826641B2 (en) * 2004-01-30 2010-11-02 Electronic Scripting Products, Inc. Apparatus and method for determining an absolute pose of a manipulated object in a real three-dimensional environment with invariant features
US8542219B2 (en) * 2004-01-30 2013-09-24 Electronic Scripting Products, Inc. Processing pose data derived from the pose of an elongate object
US7496232B2 (en) * 2004-06-23 2009-02-24 Microsoft Corporation Distinguishing text from non-text in digital ink
US7372993B2 (en) * 2004-07-21 2008-05-13 Hewlett-Packard Development Company, L.P. Gesture recognition
GB2447073B (en) * 2007-02-28 2012-02-22 Adrian Lynley Ashley Matrix pattern recognition decision making and adaptive learning process
US20100163316A1 (en) * 2008-12-30 2010-07-01 Microsoft Corporation Handwriting Recognition System Using Multiple Path Recognition Framework
US8341558B2 (en) * 2009-09-16 2012-12-25 Google Inc. Gesture recognition on computing device correlating input to a template
JP5284523B1 (ja) * 2012-09-05 2013-09-11 株式会社東芝 情報処理システム、プログラムおよび情報処理システムの処理方法
EP3206535B1 (de) 2014-10-17 2020-05-27 Ekornes ASA Gleichgewichtsgelenk
TWI569176B (zh) * 2015-01-16 2017-02-01 新普科技股份有限公司 手寫軌跡識別方法與系統
US11577159B2 (en) 2016-05-26 2023-02-14 Electronic Scripting Products Inc. Realistic virtual/augmented/mixed reality viewing and interactions
US10455115B2 (en) 2017-05-19 2019-10-22 Microsoft Technology Licensing, Llc Adaptive stylus position interpolation
CN111950542B (zh) * 2020-08-17 2021-07-09 湖南纽思曼存储科技有限公司 基于ocr识别算法的学习扫描笔

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55138180A (en) * 1979-04-16 1980-10-28 Fujitsu Ltd Real-time character recognition unit with additional registering function
JPS59165190A (ja) * 1983-03-10 1984-09-18 Fujitsu Ltd 手書き文字認識用辞書作成装置
JPS59180784A (ja) * 1983-03-31 1984-10-13 Fujitsu Ltd オンライン手書文字認識方式
US4672677A (en) * 1984-11-19 1987-06-09 Canon Kabushiki Kaisha Character and figure processing apparatus
JPH01169588A (ja) * 1987-12-24 1989-07-04 Oki Electric Ind Co Ltd オンライン文字認識装置
US5022086A (en) * 1988-12-20 1991-06-04 Sri International, Inc. Handwriting apparatus for information collection based on force and position
JP2886881B2 (ja) * 1989-03-24 1999-04-26 株式会社日立製作所 手書文字認識装置
JPH0362186A (ja) * 1989-07-29 1991-03-18 Fujitsu Ltd オンライン手書き文字認識辞書作成方式
US5023918A (en) * 1989-10-03 1991-06-11 International Business Machines Corporation Cross-product filter
US5038382A (en) * 1989-10-13 1991-08-06 International Business Machines Corporation Multi-scale recognizer for hand drawn strokes
JPH045231A (ja) * 1990-04-20 1992-01-09 Morishita Pharmaceut Co Ltd 慢性痛用鎮痛剤
JPH0443316A (ja) * 1990-06-11 1992-02-13 Nippon Telegr & Teleph Corp <Ntt> 磁気光学薄膜材料

Also Published As

Publication number Publication date
CA2091617C (en) 1996-10-01
JPH0644408A (ja) 1994-02-18
FI931283A0 (fi) 1993-03-23
JP3004495B2 (ja) 2000-01-31
US5333209A (en) 1994-07-26
CA2091617A1 (en) 1993-09-25
SG52220A1 (en) 1998-09-28
FI931283A (fi) 1993-09-25
EP0562767B1 (de) 2004-03-03
EP0562767A3 (en) 1994-07-20
DE69333431T2 (de) 2005-03-03
EP0562767A2 (de) 1993-09-29

Similar Documents

Publication Publication Date Title
DE69333431D1 (de) Verfahren zum Erkennen von handgeschriebenen Symbolen
DE69417105D1 (de) Vorrichtung und Verfahren zum Erkennen handgeschriebener Symbole
DE69230631T2 (de) Verfahren zum Vergleichen von Wortgestalten
DE68915950T2 (de) Verfahren zum Trennen von Zeichen.
DE3587444T2 (de) Verfahren und Anlage zum Erkennen und Anzeigen handgeschriebener Zeichen und Figuren.
DE68928484T2 (de) Verfahren zum erkennen von bildstrukturen
DE3484890D1 (de) Zeichenerkennungsanlage und verfahren zum erkennen von buchstaben mit diakritischen zeichen.
DE69417877T2 (de) Verfahren zum ablösen von etiketten ohne abdeckband
DE69326044T2 (de) Verfahren zur Erkennung von Sprachsignalen
DE59301828D1 (de) Verfahren zum Auffinden von Insertionselementen (IS-Elemente) oder Transposonen
DE69517571T2 (de) Verfahren zur Erkennung von Mustern
EP0581529A3 (en) Method of normalizing handwritten symbols
DE3856482D1 (de) Verfahren zum Vergleichen von Fingerabdrücken
DE69331887D1 (de) Verfahren zum Lernen von Mustern
DE69306782D1 (de) Verfahren zum verbinden von perfluorelastomeren
DE69301353D1 (de) Verfahren zur Wiedergewinnung von Thiocyanat
DE69319514D1 (de) Verfahren und Gerät zum Verbessern von Standardmustern für Erkennung
DE69327486D1 (de) Verfahren zum Extrahieren von Metallen
DE59308592D1 (de) Verfahren zum empfangen von teletextdaten
ATA120288A (de) Verfahren zur entfernung von stickoxiden
DE69418320T2 (de) Verfahren zur rückgewinnung von fluorwasserstoff
DE69427151D1 (de) Verfahren zum extrahieren von fluor aus mineralien oder mineralienarten
DE59309275D1 (de) Verfahren zum Aquirieren von Teletextdaten
DE4495111T1 (de) Verfahren zur Objekterkennung
DE69400804T2 (de) Verfahren zur rückgewinnung von zink

Legal Events

Date Code Title Description
8364 No opposition during term of opposition