DE69610230T2 - Verfahren und Gerät zur Bildverarbeitung - Google Patents

Verfahren und Gerät zur Bildverarbeitung

Info

Publication number
DE69610230T2
DE69610230T2 DE69610230T DE69610230T DE69610230T2 DE 69610230 T2 DE69610230 T2 DE 69610230T2 DE 69610230 T DE69610230 T DE 69610230T DE 69610230 T DE69610230 T DE 69610230T DE 69610230 T2 DE69610230 T2 DE 69610230T2
Authority
DE
Germany
Prior art keywords
image processing
processing method
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
DE69610230T
Other languages
English (en)
Other versions
DE69610230D1 (de
Inventor
Makoto Takaoka
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
Application filed by Canon Inc filed Critical Canon Inc
Publication of DE69610230D1 publication Critical patent/DE69610230D1/de
Application granted granted Critical
Publication of DE69610230T2 publication Critical patent/DE69610230T2/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)
  • Character Discrimination (AREA)
DE69610230T 1995-02-01 1996-01-30 Verfahren und Gerät zur Bildverarbeitung Expired - Lifetime DE69610230T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP03607995A JP3727971B2 (ja) 1995-02-01 1995-02-01 文書処理装置、及び文書処理方法

Publications (2)

Publication Number Publication Date
DE69610230D1 DE69610230D1 (de) 2000-10-19
DE69610230T2 true DE69610230T2 (de) 2001-02-22

Family

ID=12459742

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69610230T Expired - Lifetime DE69610230T2 (de) 1995-02-01 1996-01-30 Verfahren und Gerät zur Bildverarbeitung

Country Status (4)

Country Link
US (1) US6148119A (de)
EP (1) EP0725359B1 (de)
JP (1) JP3727971B2 (de)
DE (1) DE69610230T2 (de)

Families Citing this family (27)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3728040B2 (ja) * 1996-12-27 2005-12-21 キヤノン株式会社 画像形成装置及び方法
JPH10289288A (ja) * 1997-04-16 1998-10-27 Canon Inc 画像処理方法及び装置
KR100247970B1 (ko) 1997-07-15 2000-03-15 윤종용 문서 영상의 방향 교정방법
JP3884845B2 (ja) * 1997-11-18 2007-02-21 キヤノン株式会社 情報処理装置及び方法
US6151423A (en) * 1998-03-04 2000-11-21 Canon Kabushiki Kaisha Character recognition with document orientation determination
US6804414B1 (en) 1998-05-01 2004-10-12 Fujitsu Limited Image status detecting apparatus and document image correcting apparatus
JPH11341229A (ja) 1998-05-29 1999-12-10 Canon Inc 画像処理装置及び画像処理方法
JP2001043310A (ja) 1999-07-30 2001-02-16 Fujitsu Ltd 文書画像補正装置および補正方法
JP3907439B2 (ja) * 2001-10-26 2007-04-18 キヤノン株式会社 携帯端末システム及び携帯端末及び画像処理装置及びその動作方法
RU2003108433A (ru) * 2003-03-28 2004-09-27 Аби Софтвер Лтд. (Cy) Способ предварительной обработки изображения машиночитаемой формы
US20110188759A1 (en) * 2003-06-26 2011-08-04 Irina Filimonova Method and System of Pre-Analysis and Automated Classification of Documents
RU2635259C1 (ru) 2016-06-22 2017-11-09 Общество с ограниченной ответственностью "Аби Девелопмент" Способ и устройство для определения типа цифрового документа
US7805003B1 (en) 2003-11-18 2010-09-28 Adobe Systems Incorporated Identifying one or more objects within an image
US7286718B2 (en) 2004-01-26 2007-10-23 Sri International Method and apparatus for determination of text orientation
IL162878A0 (en) * 2004-07-06 2005-11-20 Hi Tech Solutions Ltd Multi-level neural network based characters identification method and system
KR100741368B1 (ko) 2005-03-21 2007-07-20 유니챌(주) 문자자동인식장치 및 방법
US8203763B2 (en) * 2008-02-15 2012-06-19 Kabushiki Kaisha Toshiba Image scanning apparatus and method for aligning a stack of scanned images using the stack orientation indicated by a user and an automatically determined image orientation
JP5142858B2 (ja) * 2008-07-03 2013-02-13 キヤノン株式会社 画像処理装置および画像処理方法
KR101035739B1 (ko) * 2009-02-13 2011-05-20 전남대학교산학협력단 문자 인식의 왜곡을 보정하는 방법
CN102855477B (zh) * 2011-06-29 2014-12-17 富士通株式会社 识别图像块中文字的方向的方法和装置
CN102890783B (zh) * 2011-07-20 2015-07-29 富士通株式会社 识别图像块中文字的方向的方法和装置
CN102890784B (zh) * 2011-07-20 2016-03-30 富士通株式会社 识别图像块中文字的方向的方法和装置
US9092667B2 (en) 2012-08-27 2015-07-28 Symbol Technologies, Llc Arrangement for and method of reading forms in correct orientation by image capture
US20140258852A1 (en) * 2013-03-11 2014-09-11 Microsoft Corporation Detection and Reconstruction of Right-to-Left Text Direction, Ligatures and Diacritics in a Fixed Format Document
RU2640322C2 (ru) 2014-01-30 2017-12-27 Общество с ограниченной ответственностью "Аби Девелопмент" Способы и системы эффективного автоматического распознавания символов
US9589185B2 (en) 2014-12-10 2017-03-07 Abbyy Development Llc Symbol recognition using decision forests
US9552527B1 (en) 2015-08-27 2017-01-24 Lead Technologies, Inc. Apparatus, method, and computer-readable storage medium for determining a rotation angle of text

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE68916978T2 (de) * 1988-01-18 1994-11-17 Toshiba Kawasaki Kk Zeichenkettenerkennungssystem.
US5060276A (en) * 1989-05-31 1991-10-22 At&T Bell Laboratories Technique for object orientation detection using a feed-forward neural network
US5077811A (en) * 1990-10-10 1991-12-31 Fuji Xerox Co., Ltd. Character and picture image data processing system
US5359677A (en) * 1990-12-11 1994-10-25 Sharp Kabushiki Kaisha Image reader and facsimile machine using such image reader
JP3170299B2 (ja) * 1991-01-31 2001-05-28 株式会社リコー 画像読取処理装置
DE69232345T2 (de) * 1991-07-16 2002-07-04 Yozan Inc Verfahren zur Bestimmung der Neigung eines Schriftzeichen enthaltenden Bildes
US5235651A (en) * 1991-08-06 1993-08-10 Caere Corporation Rotation of images for optical character recognition
US5335290A (en) * 1992-04-06 1994-08-02 Ricoh Corporation Segmentation of text, picture and lines of a document image
US5452374A (en) * 1992-04-06 1995-09-19 Ricoh Corporation Skew detection and correction of a document image representation
US5301036A (en) * 1992-04-06 1994-04-05 Xerox Corporation Image orientation control
CA2097095A1 (en) * 1992-07-29 1994-01-30 Frank William Sinden Method of normalizing handwritten symbols
JPH06103410A (ja) * 1992-09-18 1994-04-15 Minolta Camera Co Ltd 画像処理装置
JP3630705B2 (ja) * 1993-08-02 2005-03-23 コニカミノルタビジネステクノロジーズ株式会社 デジタル複写装置
US5625466A (en) * 1994-03-04 1997-04-29 Minolta Co., Ltd. Image forming apparatus providing landscape or portrait image format based on detected size of original
US5517587A (en) * 1994-09-23 1996-05-14 International Business Machines Corporation Positioning method and apparatus for line scanned images

Also Published As

Publication number Publication date
JPH08212298A (ja) 1996-08-20
DE69610230D1 (de) 2000-10-19
US6148119A (en) 2000-11-14
JP3727971B2 (ja) 2005-12-21
EP0725359A1 (de) 1996-08-07
EP0725359B1 (de) 2000-09-13

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