DE69330159T2 - Zeichenerkennungsgerät - Google Patents

Zeichenerkennungsgerät

Info

Publication number
DE69330159T2
DE69330159T2 DE69330159T DE69330159T DE69330159T2 DE 69330159 T2 DE69330159 T2 DE 69330159T2 DE 69330159 T DE69330159 T DE 69330159T DE 69330159 T DE69330159 T DE 69330159T DE 69330159 T2 DE69330159 T2 DE 69330159T2
Authority
DE
Germany
Prior art keywords
recognition device
character recognition
character
recognition
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 - Fee Related
Application number
DE69330159T
Other languages
English (en)
Other versions
DE69330159D1 (de
Inventor
Michihiro Nagaishi
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.)
ATR AUDITORY VISUAL PERCEPTION
Original Assignee
ATR AUDITORY VISUAL PERCEPTION
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 ATR AUDITORY VISUAL PERCEPTION filed Critical ATR AUDITORY VISUAL PERCEPTION
Application granted granted Critical
Publication of DE69330159D1 publication Critical patent/DE69330159D1/de
Publication of DE69330159T2 publication Critical patent/DE69330159T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • G06V30/18—Extraction of features or characteristics of the image
    • G06V30/186—Extraction of features or characteristics of the image by deriving mathematical or geometrical properties from the whole image
    • 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
    • G06V30/19—Recognition using electronic means
    • G06V30/19007—Matching; Proximity measures
    • G06V30/19013—Comparing pixel values or logical combinations thereof, or feature values having positional relevance, e.g. template matching
    • G06V30/1902—Shifting or otherwise transforming the patterns to accommodate for positional errors
    • G06V30/1904—Shifting or otherwise transforming the patterns to accommodate for positional errors involving a deformation of the sample or reference pattern; Elastic 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Multimedia (AREA)
  • Theoretical Computer Science (AREA)
  • Algebra (AREA)
  • Mathematical Analysis (AREA)
  • Mathematical Optimization (AREA)
  • Mathematical Physics (AREA)
  • Pure & Applied Mathematics (AREA)
  • Character Discrimination (AREA)
DE69330159T 1992-11-18 1993-06-29 Zeichenerkennungsgerät Expired - Fee Related DE69330159T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4308791A JPH07117986B2 (ja) 1992-11-18 1992-11-18 文字認識装置

Publications (2)

Publication Number Publication Date
DE69330159D1 DE69330159D1 (de) 2001-05-23
DE69330159T2 true DE69330159T2 (de) 2001-10-18

Family

ID=17985356

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69330159T Expired - Fee Related DE69330159T2 (de) 1992-11-18 1993-06-29 Zeichenerkennungsgerät

Country Status (4)

Country Link
US (1) US5845020A (de)
EP (1) EP0602311B1 (de)
JP (1) JPH07117986B2 (de)
DE (1) DE69330159T2 (de)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE69623952T2 (de) * 1995-05-04 2003-08-07 Interwave Comm International L Hybride zellulare kommunikationseinrichtung und verfahren dafür
US6785419B1 (en) * 2000-12-22 2004-08-31 Microsoft Corporation System and method to facilitate pattern recognition by deformable matching
JP4147754B2 (ja) * 2001-07-13 2008-09-10 セイコーエプソン株式会社 画像評価方法および画像評価システムならびに画像評価処理プログラム
JP4165042B2 (ja) * 2001-07-13 2008-10-15 セイコーエプソン株式会社 画像レイアウト評価方法および画像レイアウト評価システムならびに画像レイアウト評価処理プログラム
WO2003023696A1 (en) 2001-09-12 2003-03-20 Auburn University System and method of handwritten character recognition
JP2008268431A (ja) * 2007-04-18 2008-11-06 Oki Electric Ind Co Ltd 筆記試験システム及び筆記試験装置

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3874586A (en) * 1972-12-18 1975-04-01 Addressograph Multigraph Information-carrying article and reading apparatus and method
US3818446A (en) * 1973-02-20 1974-06-18 Cavcom Inc Magnetic ink character transition reader
US4475238A (en) * 1982-04-05 1984-10-02 Everhart Glenn C Magnetoresistive image correlation device

Also Published As

Publication number Publication date
JPH06162261A (ja) 1994-06-10
EP0602311A2 (de) 1994-06-22
JPH07117986B2 (ja) 1995-12-18
DE69330159D1 (de) 2001-05-23
EP0602311B1 (de) 2001-04-18
EP0602311A3 (de) 1995-03-22
US5845020A (en) 1998-12-01

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee