DE4394624T1 - Verfahren und Vorrichtung zur Handschrifterkennung aus sequentiellen Eingabeinformationen - Google Patents

Verfahren und Vorrichtung zur Handschrifterkennung aus sequentiellen Eingabeinformationen

Info

Publication number
DE4394624T1
DE4394624T1 DE4394624T DE4394624T DE4394624T1 DE 4394624 T1 DE4394624 T1 DE 4394624T1 DE 4394624 T DE4394624 T DE 4394624T DE 4394624 T DE4394624 T DE 4394624T DE 4394624 T1 DE4394624 T1 DE 4394624T1
Authority
DE
Germany
Prior art keywords
input information
handwriting recognition
sequential input
sequential
handwriting
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
DE4394624T
Other languages
English (en)
Other versions
DE4394624B4 (de
Inventor
Shelja A Guberman
Ilia Lossev
Alexander V Pashintsev
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.)
Paragraph International
Original Assignee
Paragraph International
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 Paragraph International filed Critical Paragraph International
Publication of DE4394624T1 publication Critical patent/DE4394624T1/de
Pending 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
    • G06V30/14—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
    • 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
    • G06V30/22—Character recognition characterised by the type of writing
    • G06V30/226—Character recognition characterised by the type of writing of cursive writing
    • G06V30/2264—Character recognition characterised by the type of writing of cursive writing using word shape
    • 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
    • G06V30/22—Character recognition characterised by the type of writing
    • G06V30/226—Character recognition characterised by the type of writing of cursive writing
    • G06V30/2268—Character recognition characterised by the type of writing of cursive writing using stroke segmentation
    • 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
    • G06V30/22—Character recognition characterised by the type of writing
    • G06V30/226—Character recognition characterised by the type of writing of cursive writing
    • G06V30/2268—Character recognition characterised by the type of writing of cursive writing using stroke segmentation
    • G06V30/2272—Character recognition characterised by the type of writing of cursive writing using stroke segmentation with lexical matching
    • 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
    • G06V30/26—Techniques for post-processing, e.g. correcting the recognition result
    • G06V30/262—Techniques for post-processing, e.g. correcting the recognition result using context analysis, e.g. lexical, syntactic or semantic context
    • 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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Multimedia (AREA)
  • Theoretical Computer Science (AREA)
  • Computational Linguistics (AREA)
  • Character Discrimination (AREA)
  • Machine Translation (AREA)
DE4394624T 1992-09-24 1993-08-26 Verfahren und Vorrichtung zur Handschrifterkennung aus sequentiellen Eingabeinformationen Pending DE4394624T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US07/954,351 US5313527A (en) 1991-06-07 1992-09-24 Method and apparatus for recognizing cursive writing from sequential input information
PCT/US1993/008024 WO1994007214A1 (en) 1992-09-24 1993-08-26 Method and apparatus for recognizing cursive writing from sequential input information

Publications (1)

Publication Number Publication Date
DE4394624T1 true DE4394624T1 (de) 1995-10-19

Family

ID=25495306

Family Applications (1)

Application Number Title Priority Date Filing Date
DE4394624T Pending DE4394624T1 (de) 1992-09-24 1993-08-26 Verfahren und Vorrichtung zur Handschrifterkennung aus sequentiellen Eingabeinformationen

Country Status (6)

Country Link
US (2) US5313527A (de)
EP (1) EP0662229A4 (de)
CA (1) CA2105494C (de)
DE (1) DE4394624T1 (de)
GB (1) GB2286075B (de)
WO (1) WO1994007214A1 (de)

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Also Published As

Publication number Publication date
EP0662229A4 (de) 1996-01-03
CA2105494C (en) 2005-05-03
GB2286075A8 (en) 1999-03-03
US5467407A (en) 1995-11-14
EP0662229A1 (de) 1995-07-12
US5313527A (en) 1994-05-17
WO1994007214A1 (en) 1994-03-31
CA2105494A1 (en) 1994-03-25
GB2286075B (en) 1996-09-11
GB2286075A (en) 1995-08-02
GB9505976D0 (en) 1995-05-31

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