DE69834971D1 - Zeichenerkennungsvorrichtung - Google Patents

Zeichenerkennungsvorrichtung

Info

Publication number
DE69834971D1
DE69834971D1 DE69834971T DE69834971T DE69834971D1 DE 69834971 D1 DE69834971 D1 DE 69834971D1 DE 69834971 T DE69834971 T DE 69834971T DE 69834971 T DE69834971 T DE 69834971T DE 69834971 D1 DE69834971 D1 DE 69834971D1
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 - Lifetime
Application number
DE69834971T
Other languages
English (en)
Other versions
DE69834971T2 (de
Inventor
Isamu Haneda
Toshio Isoe
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.)
Sharp Corp
Original Assignee
Sharp Corp
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 Sharp Corp filed Critical Sharp Corp
Publication of DE69834971D1 publication Critical patent/DE69834971D1/de
Application granted granted Critical
Publication of DE69834971T2 publication Critical patent/DE69834971T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • G06V30/12—Detection or correction of errors, e.g. by rescanning the pattern
    • G06V30/127—Detection or correction of errors, e.g. by rescanning the pattern with the intervention of an operator
    • 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
    • G06V30/16—Image preprocessing
    • G06V30/166—Normalisation of pattern dimensions
    • 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)
  • Character Input (AREA)
  • Character Discrimination (AREA)
DE69834971T 1997-03-04 1998-03-02 Zeichenerkennungsvorrichtung Expired - Lifetime DE69834971T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP4833497 1997-03-04
JP04833497A JP3563911B2 (ja) 1997-03-04 1997-03-04 文字認識装置

Publications (2)

Publication Number Publication Date
DE69834971D1 true DE69834971D1 (de) 2006-08-03
DE69834971T2 DE69834971T2 (de) 2007-02-01

Family

ID=12800524

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69834971T Expired - Lifetime DE69834971T2 (de) 1997-03-04 1998-03-02 Zeichenerkennungsvorrichtung

Country Status (5)

Country Link
US (1) US6252984B1 (de)
EP (1) EP0863475B1 (de)
JP (1) JP3563911B2 (de)
CN (1) CN1110008C (de)
DE (1) DE69834971T2 (de)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6563948B2 (en) * 1999-04-29 2003-05-13 Intel Corporation Using an electronic camera to build a file containing text
WO2000074054A2 (en) * 1999-05-28 2000-12-07 Matsushita Electric Industrial Co., Ltd. Semiconductor memory card, apparatus for recording data onto the semiconductor memory card, and apparatus for reproducing data of the semiconductor memory card
JP3554271B2 (ja) * 2000-12-13 2004-08-18 パナソニック コミュニケーションズ株式会社 情報通信装置
WO2003023696A1 (en) 2001-09-12 2003-03-20 Auburn University System and method of handwritten character recognition
US6922487B2 (en) * 2001-11-02 2005-07-26 Xerox Corporation Method and apparatus for capturing text images
KR100474312B1 (ko) * 2002-12-12 2005-03-10 엘지전자 주식회사 디지털 카메라의 자동 주밍 방법
KR20040069865A (ko) * 2003-01-30 2004-08-06 삼성전자주식회사 영상화면 내의 글자영역 확장장치 및 방법
US8873890B2 (en) * 2004-04-02 2014-10-28 K-Nfb Reading Technology, Inc. Image resizing for optical character recognition in portable reading machine
CN101354746B (zh) * 2007-07-23 2011-08-31 夏普株式会社 文字图像抽出装置及文字图像抽出方法
KR101329492B1 (ko) * 2012-01-25 2013-11-13 한국과학기술원 카메라 렌즈를 조절하여 인식할 문자열을 영상의 중앙에 인식 가능한 크기로 위치시키는 장치 및 그 방법
US9286683B1 (en) * 2013-04-17 2016-03-15 Amazon Technologies, Inc. Text detection near display screen edge
JP5821994B2 (ja) 2014-04-21 2015-11-24 富士ゼロックス株式会社 画像処理装置、画像形成装置およびプログラム
US9239961B1 (en) * 2014-09-24 2016-01-19 Amazon Technologies, Inc. Text recognition near an edge
JP6448696B2 (ja) * 2017-03-22 2019-01-09 株式会社東芝 情報処理装置、方法及びプログラム
CN115862016A (zh) * 2023-02-16 2023-03-28 金现代信息产业股份有限公司 一种小尺寸光学字符识别方法及系统

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5966275A (ja) * 1982-10-08 1984-04-14 Hitachi Denshi Ltd テレビジヨンカメラ
US4741045A (en) * 1983-09-23 1988-04-26 Dest Corporation Optical character isolation system, apparatus and method
JPS6280791A (ja) 1985-10-04 1987-04-14 Toshiba Corp 文字読取り装置
EP0457534B1 (de) * 1990-05-14 2001-10-31 Canon Kabushiki Kaisha Verfahren und Gerät zur Bildverarbeitung
JPH0674729A (ja) 1992-08-25 1994-03-18 Nippon Steel Corp 文字画像入力方法
EP0981243B1 (de) * 1993-07-16 2010-03-17 Sharp Kabushiki Kaisha Bilddatenprozessor
US5588072A (en) * 1993-12-22 1996-12-24 Canon Kabushiki Kaisha Method and apparatus for selecting blocks of image data from image data having both horizontally- and vertically-oriented blocks
JPH07288722A (ja) * 1994-04-15 1995-10-31 Canon Inc 撮像装置
JP3095623B2 (ja) * 1994-06-16 2000-10-10 松下電器産業株式会社 属性判定方法

Also Published As

Publication number Publication date
EP0863475A2 (de) 1998-09-09
JPH10247220A (ja) 1998-09-14
JP3563911B2 (ja) 2004-09-08
CN1110008C (zh) 2003-05-28
US6252984B1 (en) 2001-06-26
EP0863475A3 (de) 2001-02-07
CN1201954A (zh) 1998-12-16
DE69834971T2 (de) 2007-02-01
EP0863475B1 (de) 2006-06-21

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition