CA2162489A1 - Method of stroke segmentation for handwritten input - Google Patents

Method of stroke segmentation for handwritten input

Info

Publication number
CA2162489A1
CA2162489A1 CA002162489A CA2162489A CA2162489A1 CA 2162489 A1 CA2162489 A1 CA 2162489A1 CA 002162489 A CA002162489 A CA 002162489A CA 2162489 A CA2162489 A CA 2162489A CA 2162489 A1 CA2162489 A1 CA 2162489A1
Authority
CA
Canada
Prior art keywords
curvature
stroke
point
derivative value
points
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.)
Abandoned
Application number
CA002162489A
Other languages
English (en)
French (fr)
Inventor
Chris A. Kortge
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.)
Motorola Solutions Inc
Original Assignee
Motorola 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 Motorola Inc filed Critical Motorola Inc
Publication of CA2162489A1 publication Critical patent/CA2162489A1/en
Abandoned legal-status Critical Current

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
    • G06V30/333—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)
  • Image Analysis (AREA)
CA002162489A 1994-05-10 1995-05-03 Method of stroke segmentation for handwritten input Abandoned CA2162489A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US24040794A 1994-05-10 1994-05-10
US08/240,407 1994-05-10

Publications (1)

Publication Number Publication Date
CA2162489A1 true CA2162489A1 (en) 1998-06-01

Family

ID=22906392

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002162489A Abandoned CA2162489A1 (en) 1994-05-10 1995-05-03 Method of stroke segmentation for handwritten input

Country Status (14)

Country Link
EP (1) EP0710384A4 (pt)
JP (1) JP2002515144A (pt)
CN (1) CN1128074A (pt)
AU (1) AU2431695A (pt)
BR (1) BR9506197A (pt)
CA (1) CA2162489A1 (pt)
CZ (1) CZ6196A3 (pt)
FI (1) FI960110A (pt)
HU (1) HUT75820A (pt)
IL (1) IL113659A0 (pt)
NO (1) NO955064D0 (pt)
PL (1) PL312469A1 (pt)
SK (1) SK3096A3 (pt)
WO (1) WO1995032485A1 (pt)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9701793D0 (en) 1997-01-29 1997-03-19 Gay Geoffrey N W Means for inputting characters or commands into a computer
US7603684B1 (en) 1998-05-19 2009-10-13 United Video Properties, Inc. Program guide system with video-on-demand browsing
US6563515B1 (en) 1998-05-19 2003-05-13 United Video Properties, Inc. Program guide system with video window browsing
CN1317664C (zh) * 2004-01-17 2007-05-23 中国科学院计算技术研究所 乱笔顺库建立方法及联机手写汉字识别评测系统
DE602004022629D1 (de) * 2004-02-06 2009-10-01 Dassault Systemes Methode für das Zeichnen einer Kurve in einem CAD-System
EP1562130A1 (en) * 2004-02-06 2005-08-10 Dassault Systèmes A process for modifying a curve in a computer-aided design system
CN100405389C (zh) * 2004-08-06 2008-07-23 摩托罗拉公司 从划线标记识别字符的方法和装置
JP2006162692A (ja) * 2004-12-02 2006-06-22 Hosei Univ 講義コンテンツ自動作成システム
CN100338621C (zh) * 2005-04-07 2007-09-19 上海交通大学 有限字符样本集上特征值误差补偿及参数分布修正方法

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2658137B2 (ja) * 1988-03-11 1997-09-30 沖電気工業株式会社 文字認識方式
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
US5590220A (en) * 1992-08-12 1996-12-31 International Business Machines Corporation Bending point extraction method for optical character recognition system

Also Published As

Publication number Publication date
HU9503882D0 (en) 1996-02-28
JP2002515144A (ja) 2002-05-21
BR9506197A (pt) 1996-04-24
HUT75820A (en) 1997-05-28
NO955064L (no) 1995-12-14
EP0710384A1 (en) 1996-05-08
FI960110A0 (fi) 1996-01-10
CZ6196A3 (en) 1996-06-12
SK3096A3 (en) 1996-10-02
AU2431695A (en) 1995-12-18
FI960110A (fi) 1996-01-10
PL312469A1 (en) 1996-04-29
WO1995032485A1 (en) 1995-11-30
NO955064D0 (no) 1995-12-14
CN1128074A (zh) 1996-07-31
IL113659A0 (en) 1995-08-31
MX9600189A (es) 1998-11-29
EP0710384A4 (en) 1997-05-02

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Legal Events

Date Code Title Description
EEER Examination request
FZDE Discontinued