ATE386989T1 - Verfahren und vorrichtung zum dekodieren handschriftlicher zeichen - Google Patents

Verfahren und vorrichtung zum dekodieren handschriftlicher zeichen

Info

Publication number
ATE386989T1
ATE386989T1 AT02801225T AT02801225T ATE386989T1 AT E386989 T1 ATE386989 T1 AT E386989T1 AT 02801225 T AT02801225 T AT 02801225T AT 02801225 T AT02801225 T AT 02801225T AT E386989 T1 ATE386989 T1 AT E386989T1
Authority
AT
Austria
Prior art keywords
character
membership
handwritten strokes
handwritten characters
handwritten
Prior art date
Application number
AT02801225T
Other languages
English (en)
Inventor
Jonathon Napper
Original Assignee
Silverbrook Res Pty Ltd
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 Silverbrook Res Pty Ltd filed Critical Silverbrook Res Pty Ltd
Application granted granted Critical
Publication of ATE386989T1 publication Critical patent/ATE386989T1/de

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
    • G06V30/24—Character recognition characterised by the processing or recognition method
    • G06V30/242—Division of the character sequences into groups prior to recognition; Selection of dictionaries
    • G06V30/244—Division of the character sequences into groups prior to recognition; Selection of dictionaries using graphical properties, e.g. alphabet type or font
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V10/00—Arrangements for image or video recognition or understanding
    • G06V10/70—Arrangements for image or video recognition or understanding using pattern recognition or machine learning
    • G06V10/74—Image or video pattern matching; Proximity measures in feature spaces
    • G06V10/75—Organisation of the matching processes, e.g. simultaneous or sequential comparisons of image or video features; Coarse-fine approaches, e.g. multi-scale approaches; using context analysis; Selection of dictionaries
    • 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
    • G06V30/14—Image acquisition
    • G06V30/142—Image acquisition using hand-held instruments; Constructional details of the instruments
    • G06V30/1423—Image acquisition using hand-held instruments; Constructional details of the instruments the instrument generating sequences of position coordinates corresponding to handwriting

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Multimedia (AREA)
  • General Physics & Mathematics (AREA)
  • Physics & Mathematics (AREA)
  • Databases & Information Systems (AREA)
  • Health & Medical Sciences (AREA)
  • Medical Informatics (AREA)
  • Software Systems (AREA)
  • Evolutionary Computation (AREA)
  • Computing Systems (AREA)
  • Artificial Intelligence (AREA)
  • General Health & Medical Sciences (AREA)
  • Character Discrimination (AREA)
  • Facsimile Image Signal Circuits (AREA)
  • Input From Keyboards Or The Like (AREA)
  • Electronic Switches (AREA)
  • Vending Machines For Individual Products (AREA)
  • Character Input (AREA)
AT02801225T 2001-10-15 2002-10-15 Verfahren und vorrichtung zum dekodieren handschriftlicher zeichen ATE386989T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AUPR8245A AUPR824501A0 (en) 2001-10-15 2001-10-15 Methods and systems (npw003)

Publications (1)

Publication Number Publication Date
ATE386989T1 true ATE386989T1 (de) 2008-03-15

Family

ID=3832070

Family Applications (1)

Application Number Title Priority Date Filing Date
AT02801225T ATE386989T1 (de) 2001-10-15 2002-10-15 Verfahren und vorrichtung zum dekodieren handschriftlicher zeichen

Country Status (12)

Country Link
US (6) US7359551B2 (de)
EP (1) EP1444642B1 (de)
JP (1) JP4274941B2 (de)
KR (1) KR100651762B1 (de)
CN (1) CN100533470C (de)
AT (1) ATE386989T1 (de)
AU (3) AUPR824501A0 (de)
CA (1) CA2463230C (de)
DE (1) DE60225170T2 (de)
IL (1) IL161383A0 (de)
WO (1) WO2003034325A1 (de)
ZA (1) ZA200402925B (de)

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US10402734B2 (en) * 2015-08-26 2019-09-03 Google Llc Temporal based word segmentation
CN105512692B (zh) * 2015-11-30 2019-04-09 华南理工大学 基于blstm的联机手写数学公式符号识别方法
US10163004B2 (en) * 2017-03-30 2018-12-25 Konica Minolta Laboratory U.S.A., Inc. Inferring stroke information from an image
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CN110503101A (zh) * 2019-08-23 2019-11-26 北大方正集团有限公司 字形评价方法、装置、设备及计算机可读存储介质
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Also Published As

Publication number Publication date
US7848574B2 (en) 2010-12-07
US20110052066A1 (en) 2011-03-03
EP1444642A4 (de) 2006-07-26
US20050175241A1 (en) 2005-08-11
US20120328195A1 (en) 2012-12-27
IL161383A0 (en) 2004-09-27
US7359551B2 (en) 2008-04-15
JP4274941B2 (ja) 2009-06-10
WO2003034325A1 (en) 2003-04-24
DE60225170D1 (de) 2008-04-03
JP2005505868A (ja) 2005-02-24
US20100189352A1 (en) 2010-07-29
CA2463230C (en) 2009-07-28
CN1571979A (zh) 2005-01-26
AU2002333064B2 (en) 2006-07-20
ZA200402925B (en) 2005-02-23
US8009914B2 (en) 2011-08-30
EP1444642A1 (de) 2004-08-11
US20110293181A1 (en) 2011-12-01
CN100533470C (zh) 2009-08-26
DE60225170T2 (de) 2009-03-05
AUPR824501A0 (en) 2001-11-08
US7697761B2 (en) 2010-04-13
KR100651762B1 (ko) 2006-12-01
CA2463230A1 (en) 2003-04-24
US8280168B2 (en) 2012-10-02
AU2006225217B2 (en) 2008-02-28
KR20050036864A (ko) 2005-04-20
US20080144938A1 (en) 2008-06-19
EP1444642B1 (de) 2008-02-20
AU2006225217A1 (en) 2006-10-26

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