CN1128074A - 手写输入笔划分段的方法 - Google Patents

手写输入笔划分段的方法 Download PDF

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Publication number
CN1128074A
CN1128074A CN95190347A CN95190347A CN1128074A CN 1128074 A CN1128074 A CN 1128074A CN 95190347 A CN95190347 A CN 95190347A CN 95190347 A CN95190347 A CN 95190347A CN 1128074 A CN1128074 A CN 1128074A
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CN
China
Prior art keywords
stroke
curvature
point
derivative value
curvature derivative
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.)
Pending
Application number
CN95190347A
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English (en)
Chinese (zh)
Inventor
克里斯·A·科尔奇
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 CN1128074A publication Critical patent/CN1128074A/zh
Pending legal-status Critical Current

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    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; 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

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  • 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)
  • Character Input (AREA)
CN95190347A 1994-05-10 1995-05-03 手写输入笔划分段的方法 Pending CN1128074A (zh)

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
CN1128074A true CN1128074A (zh) 1996-07-31

Family

ID=22906392

Family Applications (1)

Application Number Title Priority Date Filing Date
CN95190347A Pending CN1128074A (zh) 1994-05-10 1995-05-03 手写输入笔划分段的方法

Country Status (14)

Country Link
EP (1) EP0710384A4 (cs)
JP (1) JP2002515144A (cs)
CN (1) CN1128074A (cs)
AU (1) AU2431695A (cs)
BR (1) BR9506197A (cs)
CA (1) CA2162489A1 (cs)
CZ (1) CZ6196A3 (cs)
FI (1) FI960110A7 (cs)
HU (1) HUT75820A (cs)
IL (1) IL113659A0 (cs)
NO (1) NO955064L (cs)
PL (1) PL312469A1 (cs)
SK (1) SK3096A3 (cs)
WO (1) WO1995032485A1 (cs)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
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

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
EP1562138B1 (en) * 2004-02-06 2009-08-19 Dassault Systèmes A process for drafting a curve in a computer-aided design 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
CN116168402B (zh) * 2021-11-24 2026-04-10 广州视源电子科技股份有限公司 笔迹的角点确定方法、装置、存储介质以及终端
CN116959002B (zh) * 2023-05-09 2025-12-02 余姚市机器人研究中心 基于迭代适应和匹配算法的手写汉字笔画拆分方法及装置

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

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
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

Also Published As

Publication number Publication date
NO955064D0 (no) 1995-12-14
WO1995032485A1 (en) 1995-11-30
IL113659A0 (en) 1995-08-31
CZ6196A3 (en) 1996-06-12
HUT75820A (en) 1997-05-28
EP0710384A1 (en) 1996-05-08
FI960110A0 (fi) 1996-01-10
MX9600189A (es) 1998-11-29
PL312469A1 (en) 1996-04-29
AU2431695A (en) 1995-12-18
BR9506197A (pt) 1996-04-24
HU9503882D0 (en) 1996-02-28
NO955064L (no) 1995-12-14
FI960110A7 (fi) 1996-01-10
JP2002515144A (ja) 2002-05-21
EP0710384A4 (en) 1997-05-02
CA2162489A1 (en) 1998-06-01
SK3096A3 (en) 1996-10-02

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