DE68922772D1 - Verfahren zur Zeichenkettenermittlung. - Google Patents

Verfahren zur Zeichenkettenermittlung.

Info

Publication number
DE68922772D1
DE68922772D1 DE68922772T DE68922772T DE68922772D1 DE 68922772 D1 DE68922772 D1 DE 68922772D1 DE 68922772 T DE68922772 T DE 68922772T DE 68922772 T DE68922772 T DE 68922772T DE 68922772 D1 DE68922772 D1 DE 68922772D1
Authority
DE
Germany
Prior art keywords
determination procedure
string determination
string
procedure
determination
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
DE68922772T
Other languages
English (en)
Other versions
DE68922772T2 (de
Inventor
Tomio Amano
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.)
International Business Machines Corp
Original Assignee
International Business Machines 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 International Business Machines Corp filed Critical International Business Machines Corp
Publication of DE68922772D1 publication Critical patent/DE68922772D1/de
Application granted granted Critical
Publication of DE68922772T2 publication Critical patent/DE68922772T2/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
    • G06V30/14—Image acquisition
    • G06V30/148—Segmentation of character regions
    • G06V30/155—Removing patterns interfering with the pattern to be recognised, such as ruled lines or underlines
    • 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)
DE68922772T 1988-03-25 1989-02-06 Verfahren zur Zeichenkettenermittlung. Expired - Fee Related DE68922772T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP63069969A JPH06101049B2 (ja) 1988-03-25 1988-03-25 文字列検出方法

Publications (2)

Publication Number Publication Date
DE68922772D1 true DE68922772D1 (de) 1995-06-29
DE68922772T2 DE68922772T2 (de) 1995-11-30

Family

ID=13417988

Family Applications (1)

Application Number Title Priority Date Filing Date
DE68922772T Expired - Fee Related DE68922772T2 (de) 1988-03-25 1989-02-06 Verfahren zur Zeichenkettenermittlung.

Country Status (5)

Country Link
US (1) US5033104A (de)
EP (1) EP0334472B1 (de)
JP (1) JPH06101049B2 (de)
CA (1) CA1309180C (de)
DE (1) DE68922772T2 (de)

Families Citing this family (27)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5191438A (en) * 1989-12-12 1993-03-02 Sharp Kabushiki Kaisha Facsimile device with skew correction and text line direction detection
JPH03266677A (ja) * 1990-03-16 1991-11-27 Toshiba Corp 画像形成装置
KR930002349B1 (ko) * 1990-12-29 1993-03-29 주식회사 금성사 압축영상의 문자열 분리방법
US5267325A (en) * 1991-09-06 1993-11-30 Unisys Corporation Locating characters for character recognition
GB9120902D0 (en) * 1991-10-02 1991-11-13 Bp Chem Int Ltd Purification process
CA2077970C (en) * 1991-11-19 1999-02-23 Daniel P. Huttenlocher Optical word recognition by examination of word shape
US5321770A (en) * 1991-11-19 1994-06-14 Xerox Corporation Method for determining boundaries of words in text
CA2077969C (en) * 1991-11-19 1997-03-04 Daniel P. Huttenlocher Method of deriving wordshapes for subsequent comparison
JP3576570B2 (ja) * 1991-11-19 2004-10-13 ゼロックス コーポレイション 比較方法
US5594815A (en) * 1992-10-19 1997-01-14 Fast; Bruce B. OCR image preprocessing method for image enhancement of scanned documents
JP3042945B2 (ja) * 1993-07-07 2000-05-22 富士通株式会社 画像抽出装置
JP3599367B2 (ja) * 1993-12-29 2004-12-08 キヤノン株式会社 画像処理装置およびその方法
US6744921B1 (en) 1993-12-29 2004-06-01 Canon Kabushiki Kaisha Image processing apparatus and method that determines the thickness of characters and lines
DE69528324T2 (de) * 1994-07-29 2003-05-22 Canon K.K., Tokio/Tokyo Bildverarbeitungsvorrichtung mit Bildinhaltsdiskriminierung
US6005680A (en) * 1995-04-04 1999-12-21 Canon Information Systems, Inc. Method for capturing a document image, a scanner using the method and a document image management system using the scanner
US5915039A (en) * 1996-11-12 1999-06-22 International Business Machines Corporation Method and means for extracting fixed-pitch characters on noisy images with complex background prior to character recognition
US5995661A (en) * 1997-10-08 1999-11-30 Hewlett-Packard Company Image boundary detection for a scanned image
JP3204259B2 (ja) * 1999-10-06 2001-09-04 インターナショナル・ビジネス・マシーンズ・コーポレーション 文字列抽出方法、手書き文字列抽出方法、文字列抽出装置、および画像処理装置
US6950553B1 (en) * 2000-03-23 2005-09-27 Cardiff Software, Inc. Method and system for searching form features for form identification
US7054509B2 (en) * 2000-10-21 2006-05-30 Cardiff Software, Inc. Determining form identification through the spatial relationship of input data
US6807309B1 (en) * 2000-12-27 2004-10-19 Canon Kabushiki Kaisha Linear list compression
US7400768B1 (en) * 2001-08-24 2008-07-15 Cardiff Software, Inc. Enhanced optical recognition of digitized images through selective bit insertion
JP2007104642A (ja) * 2005-09-07 2007-04-19 Toshiba Corp 画像処理方法、画像処理装置および記録物
US8620080B2 (en) * 2008-09-26 2013-12-31 Sharp Laboratories Of America, Inc. Methods and systems for locating text in a digital image
JP5357612B2 (ja) * 2009-04-13 2013-12-04 株式会社日立ソリューションズ 下線除去装置
JP6452577B2 (ja) * 2015-08-27 2019-01-16 株式会社沖データ 画像形成装置
US11383922B2 (en) 2018-02-05 2022-07-12 Ecolab Usa Inc. Packaging and docking system for non-contact chemical dispensing

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3805237A (en) * 1971-04-30 1974-04-16 Ibm Technique for the conversion to digital form of interspersed symbolic and graphic data
US4229768A (en) * 1978-03-30 1980-10-21 Canon Kabushiki Kaisha Information processing apparatus
US4517604A (en) * 1983-04-04 1985-05-14 International Business Machines Corporation Method for reducing line width variations in bilevel video images
DE3414455C2 (de) * 1983-04-26 1996-04-25 Wollang Peter Michael Verfahren und Vorrichtung zum Lesen und Verarbeiten von Information, die aus dekodierbarer Schriftinformation und/oder nichtdekodierbarer Graphikinformation besteht

Also Published As

Publication number Publication date
EP0334472A3 (de) 1992-04-29
JPH01253077A (ja) 1989-10-09
US5033104A (en) 1991-07-16
EP0334472B1 (de) 1995-05-24
JPH06101049B2 (ja) 1994-12-12
CA1309180C (en) 1992-10-20
DE68922772T2 (de) 1995-11-30
EP0334472A2 (de) 1989-09-27

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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