DE69130469D1 - Gerät und Verfahren zur Bildverarbeitung - Google Patents

Gerät und Verfahren zur Bildverarbeitung

Info

Publication number
DE69130469D1
DE69130469D1 DE69130469T DE69130469T DE69130469D1 DE 69130469 D1 DE69130469 D1 DE 69130469D1 DE 69130469 T DE69130469 T DE 69130469T DE 69130469 T DE69130469 T DE 69130469T DE 69130469 D1 DE69130469 D1 DE 69130469D1
Authority
DE
Germany
Prior art keywords
processing apparatus
image processing
image
processing
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
DE69130469T
Other languages
English (en)
Other versions
DE69130469T2 (de
Inventor
Tadanori Nakatsuka
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.)
Canon Inc
Original Assignee
Canon 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
Priority claimed from JP2205229A external-priority patent/JPH0490083A/ja
Priority claimed from JP03190238A external-priority patent/JP3135290B2/ja
Application filed by Canon Inc filed Critical Canon Inc
Application granted granted Critical
Publication of DE69130469D1 publication Critical patent/DE69130469D1/de
Publication of DE69130469T2 publication Critical patent/DE69130469T2/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
    • G06V30/14—Image acquisition
    • G06V30/146—Aligning or centring of the image pick-up or image-field
    • G06V30/1463—Orientation detection or correction, e.g. rotation of multiples of 90 degrees
    • 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)
DE69130469T 1990-08-03 1991-08-02 Gerät und Verfahren zur Bildverarbeitung Expired - Lifetime DE69130469T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2205229A JPH0490083A (ja) 1990-08-03 1990-08-03 文字認識装置
JP03190238A JP3135290B2 (ja) 1991-07-30 1991-07-30 画像処理方法及び装置

Publications (2)

Publication Number Publication Date
DE69130469D1 true DE69130469D1 (de) 1998-12-17
DE69130469T2 DE69130469T2 (de) 1999-05-06

Family

ID=26505955

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69130469T Expired - Lifetime DE69130469T2 (de) 1990-08-03 1991-08-02 Gerät und Verfahren zur Bildverarbeitung

Country Status (3)

Country Link
US (1) US5696841A (de)
EP (1) EP0472313B1 (de)
DE (1) DE69130469T2 (de)

Families Citing this family (29)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
JPH0951422A (ja) * 1995-08-09 1997-02-18 Minolta Co Ltd 画像編集装置
JP2974061B2 (ja) * 1996-11-13 1999-11-08 日本電気株式会社 パタン抽出装置
JP3720502B2 (ja) * 1996-12-26 2005-11-30 キヤノン株式会社 画像処理装置及び該装置における画像処理方法、並びにコンピュータ読み取り可能な記憶媒体
US6023534A (en) * 1997-08-04 2000-02-08 Xerox Corporation Method of extracting image data from an area generated with a halftone pattern
JP3472094B2 (ja) * 1997-08-21 2003-12-02 シャープ株式会社 領域判定装置
JP4170441B2 (ja) * 1997-11-28 2008-10-22 富士通株式会社 文書画像傾き検出装置および文書画像傾き検出プログラムの記憶媒体
US6151423A (en) * 1998-03-04 2000-11-21 Canon Kabushiki Kaisha Character recognition with document orientation determination
JP3795238B2 (ja) * 1998-10-01 2006-07-12 シャープ株式会社 文書画像処理装置及び文書画像処理方法
US6970894B2 (en) * 1998-12-30 2005-11-29 Intel Corporation Method for extracting information from a file using a printer driver
JP4323606B2 (ja) * 1999-03-01 2009-09-02 理想科学工業株式会社 文書画像傾き検出装置
US7536561B2 (en) 1999-10-15 2009-05-19 Ebrary, Inc. Method and apparatus for improved information transactions
US8311946B1 (en) 1999-10-15 2012-11-13 Ebrary Method and apparatus for improved information transactions
US20040148274A1 (en) * 1999-10-15 2004-07-29 Warnock Christopher M. Method and apparatus for improved information transactions
KR100315428B1 (ko) * 1999-12-24 2001-11-26 오길록 다국어 인쇄체 문서인식을 위한 문자 특징 추출 장치 및그 방법
US7034849B1 (en) * 2001-12-31 2006-04-25 Apple Computer, Inc. Method and apparatus for image blending
EP1439484B1 (de) * 2002-11-22 2009-01-21 Océ-Technologies B.V. Segmentierung eines Bildes mittels kürzester Zyklen
ATE421735T1 (de) 2002-11-22 2009-02-15 Oce Tech Bv Segmentierung eines bildes mittels kürzester zyklen
JP4538214B2 (ja) * 2002-11-22 2010-09-08 オセ−テクノロジーズ・ベー・ヴエー グラフによる画像分割
US7840564B2 (en) 2005-02-16 2010-11-23 Ebrary System and method for automatic anthology creation using document aspects
US20060239555A1 (en) * 2005-04-25 2006-10-26 Destiny Technology Corporation System and method for differentiating pictures and texts
US7433869B2 (en) * 2005-07-01 2008-10-07 Ebrary, Inc. Method and apparatus for document clustering and document sketching
WO2010080340A1 (en) * 2009-01-06 2010-07-15 Siemens Healthcare Diagnostics Inc. Methods and apparatus for determining a liquid level in a container using imaging
KR101035739B1 (ko) * 2009-02-13 2011-05-20 전남대학교산학협력단 문자 인식의 왜곡을 보정하는 방법
US9569679B1 (en) * 2012-12-04 2017-02-14 A9.Com, Inc. Adaptive image sampling for text detection
US10607381B2 (en) 2014-07-07 2020-03-31 Canon Kabushiki Kaisha Information processing apparatus
JP6938318B2 (ja) 2017-10-03 2021-09-22 キヤノン株式会社 情報処理装置、情報処理方法及びプログラム
US11042735B2 (en) * 2018-09-25 2021-06-22 Drägerwerk AG & Co. KGaA System and method for verifying whether text will be properly rendered in a target area of a user interface and/or a graphics file
CN113505745B (zh) * 2021-07-27 2024-04-05 京东科技控股股份有限公司 一种文字识别方法、装置、电子设备及存储介质

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3065583D1 (en) * 1979-06-26 1983-12-22 Ibm Device for determining the optimum scanning angle of printed matter
JPS5631174A (en) * 1979-08-24 1981-03-28 Toshiba Corp Optical character reader
JPS62200486A (ja) * 1986-02-28 1987-09-04 Toshiba Corp 文字読取装置
JPS63173188A (ja) * 1987-01-13 1988-07-16 Fujitsu Ltd 文字処理方式
US4827529A (en) * 1987-04-14 1989-05-02 Nippon Sheet Glass Co., Ltd. Lines and characters separation apparatus
US4817169A (en) * 1987-04-14 1989-03-28 Nippon Sheet Glass Co., Ltd. Page segmentor
US5001766A (en) * 1988-05-16 1991-03-19 At&T Bell Laboratories Apparatus and method for skew control of document images
US5073949A (en) * 1989-03-16 1991-12-17 Kabushiki Kaisha Toshiba Personal verification apparatus
US5191438A (en) * 1989-12-12 1993-03-02 Sharp Kabushiki Kaisha Facsimile device with skew correction and text line direction detection
JPH03290774A (ja) * 1990-04-06 1991-12-20 Fuji Facom Corp 文書画像の文章領域抽出装置

Also Published As

Publication number Publication date
EP0472313A2 (de) 1992-02-26
EP0472313A3 (en) 1993-08-11
DE69130469T2 (de) 1999-05-06
US5696841A (en) 1997-12-09
EP0472313B1 (de) 1998-11-11

Similar Documents

Publication Publication Date Title
DE69132206T2 (de) Verfahren und Gerät zur Bildverarbeitung
DE69130275T2 (de) Verfahren und Gerät zur Bildverarbeitung
DE69131369T2 (de) Gerät und Verfahren zur Bildverarbeitung
DE69121439D1 (de) Verfahren und Gerät zur Bildverarbeitung
DE69232183D1 (de) Verfahren und Gerät zur Bildverarbeitung
DE69227398D1 (de) Verfahren und Gerät zur Bildverarbeitung
DE69325527T2 (de) Gerät und Verfahren zur Bildverarbeitung
DE69133412D1 (de) Verfahren und Vorrichtung zur Bildverarbeitung
DE69328702D1 (de) Gerät und Verfahren zur Bildverarbeitung
DE69130469D1 (de) Gerät und Verfahren zur Bildverarbeitung
DE69124633D1 (de) Verfahren und Vorrichtung zur Bildverarbeitung
DE69122668D1 (de) Verfahren und Vorrichtung zur Bildverarbeitung
DE69230392T2 (de) Verfahren und Gerät zur Bildverarbeitung
DE69118589T2 (de) Gerät und Verfahren zur Bildverarbeitung
DE69132789T2 (de) Verfahren und Gerät zur Bildverarbeitung
DE69228965D1 (de) Gerät und Verfahren zur Bildverarbeitung
DE69229367D1 (de) Verfahren und Gerät zur Bildverarbeitung
DE69130655D1 (de) Verfahren und Gerät zur Bildverarbeitung
DE69320146T2 (de) Bildverarbeitungsgerät und Verfahren zur Bildverarbeitung
DE69130156D1 (de) Verfahren und Gerät zur Bildverarbeitung
DE69129284D1 (de) Gerät und Verfahren zur Bildverarbeitung
DE69130546T2 (de) Verfahren und Gerät zur Bildverarbeitung
DE69126582D1 (de) Verfahren und Vorrichtung zur Bildverarbeitung
DE69331360D1 (de) Verfahren und Gerät zur Bildverarbeitung
DE69230900T2 (de) Verfahren und Gerät zur Bildverarbeitung

Legal Events

Date Code Title Description
8364 No opposition during term of opposition