DE68916978T2 - Zeichenkettenerkennungssystem. - Google Patents

Zeichenkettenerkennungssystem.

Info

Publication number
DE68916978T2
DE68916978T2 DE68916978T DE68916978T DE68916978T2 DE 68916978 T2 DE68916978 T2 DE 68916978T2 DE 68916978 T DE68916978 T DE 68916978T DE 68916978 T DE68916978 T DE 68916978T DE 68916978 T2 DE68916978 T2 DE 68916978T2
Authority
DE
Germany
Prior art keywords
recognition system
string recognition
string
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
DE68916978T
Other languages
English (en)
Other versions
DE68916978D1 (de
Inventor
Katsunori C O Patent Divis Ooi
Hiroshi C O Patent Divi Sasaki
Shunji C O Patent Div Ariyoshi
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.)
Toshiba Corp
Original Assignee
Toshiba 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
Priority claimed from JP63007927A external-priority patent/JPH0738212B2/ja
Priority claimed from JP63007926A external-priority patent/JPH01183794A/ja
Application filed by Toshiba Corp filed Critical Toshiba Corp
Application granted granted Critical
Publication of DE68916978D1 publication Critical patent/DE68916978D1/de
Publication of DE68916978T2 publication Critical patent/DE68916978T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F18/00—Pattern recognition
    • 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
    • G06V30/24—Character recognition characterised by the processing or recognition method
    • G06V30/248—Character recognition characterised by the processing or recognition method involving plural approaches, e.g. verification by template match; Resolving confusion among similar patterns, e.g. "O" versus "Q"
    • 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
    • G06V30/26—Techniques for post-processing, e.g. correcting the recognition result
    • G06V30/262—Techniques for post-processing, e.g. correcting the recognition result using context analysis, e.g. lexical, syntactic or semantic context
    • 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)
  • Theoretical Computer Science (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Multimedia (AREA)
  • Computational Linguistics (AREA)
  • Artificial Intelligence (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Bioinformatics & Cheminformatics (AREA)
  • Bioinformatics & Computational Biology (AREA)
  • Data Mining & Analysis (AREA)
  • Evolutionary Biology (AREA)
  • Evolutionary Computation (AREA)
  • General Engineering & Computer Science (AREA)
  • Character Discrimination (AREA)
DE68916978T 1988-01-18 1989-01-18 Zeichenkettenerkennungssystem. Expired - Fee Related DE68916978T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP63007927A JPH0738212B2 (ja) 1988-01-18 1988-01-18 文字認識装置
JP63007926A JPH01183794A (ja) 1988-01-18 1988-01-18 文字認識装置

Publications (2)

Publication Number Publication Date
DE68916978D1 DE68916978D1 (de) 1994-09-01
DE68916978T2 true DE68916978T2 (de) 1994-11-17

Family

ID=26342322

Family Applications (1)

Application Number Title Priority Date Filing Date
DE68916978T Expired - Fee Related DE68916978T2 (de) 1988-01-18 1989-01-18 Zeichenkettenerkennungssystem.

Country Status (4)

Country Link
US (1) US5020117A (de)
EP (1) EP0325233B1 (de)
KR (1) KR910007752B1 (de)
DE (1) DE68916978T2 (de)

Families Citing this family (42)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5140368A (en) * 1990-07-16 1992-08-18 Xerox Corporation Character printing and recognition system
JPH04195485A (ja) * 1990-11-28 1992-07-15 Hitachi Ltd 画像情報入力装置
US5367578A (en) * 1991-09-18 1994-11-22 Ncr Corporation System and method for optical recognition of bar-coded characters using template matching
JP3105967B2 (ja) * 1991-11-14 2000-11-06 キヤノン株式会社 文字認識方法及び装置
US5245672A (en) * 1992-03-09 1993-09-14 The United States Of America As Represented By The Secretary Of Commerce Object/anti-object neural network segmentation
JPH0684006A (ja) * 1992-04-09 1994-03-25 Internatl Business Mach Corp <Ibm> オンライン手書き文字認識方法
US5319721A (en) * 1992-04-14 1994-06-07 International Business Machines Corporation Methods and apparatus for evolving a starter set of handwriting prototypes into a user-specific set
US5251273A (en) * 1992-04-15 1993-10-05 International Business Machines Corporation Data processing system and method for sequentially repairing character recognition errors for scanned images of document forms
US5305396A (en) * 1992-04-17 1994-04-19 International Business Machines Corporation Data processing system and method for selecting customized character recognition processes and coded data repair processes for scanned images of document forms
US5649027A (en) * 1992-07-24 1997-07-15 Microsoft Corporation Recognition of handwritten words
US5454046A (en) * 1993-09-17 1995-09-26 Penkey Corporation Universal symbolic handwriting recognition system
US5745599A (en) * 1994-01-19 1998-04-28 Nippon Telegraph And Telephone Corporation Character recognition method
JPH07256214A (ja) * 1994-03-22 1995-10-09 Toshiba Corp 郵便物の宛名読取装置および郵便物の宛名領域判別装置および郵便物の宛名印刷装置
JP3727971B2 (ja) * 1995-02-01 2005-12-21 キヤノン株式会社 文書処理装置、及び文書処理方法
US6282324B1 (en) * 1995-08-31 2001-08-28 Northrop Grumman Corporation Text image deblurring by high-probability word selection
JP3006466B2 (ja) 1995-09-28 2000-02-07 日本電気株式会社 文字入力装置
TW388016B (en) * 1995-11-13 2000-04-21 Motorola Inc Method and apparatus for character recognition interface
US5835633A (en) * 1995-11-20 1998-11-10 International Business Machines Corporation Concurrent two-stage multi-network optical character recognition system
US6246794B1 (en) * 1995-12-13 2001-06-12 Hitachi, Ltd. Method of reading characters and method of reading postal addresses
US5917942A (en) * 1995-12-28 1999-06-29 Motorla, Inc. Device and method for handwriting recognition with adaptive weighting of recognition data
US5787455A (en) * 1995-12-28 1998-07-28 Motorola, Inc. Method and apparatus for storing corrected words with previous user-corrected recognition results to improve recognition
JPH09319829A (ja) * 1996-06-03 1997-12-12 Nec Corp オンライン文字認識装置
KR100247970B1 (ko) * 1997-07-15 2000-03-15 윤종용 문서 영상의 방향 교정방법
DE19933984C2 (de) * 1999-07-20 2001-05-31 Siemens Ag Verfahren zur Bildung und/oder Aktualisierung von Wörterbüchern zum automatischen Adreßlesen
US6993205B1 (en) 2000-04-12 2006-01-31 International Business Machines Corporation Automatic method of detection of incorrectly oriented text blocks using results from character recognition
AU2001280929A1 (en) * 2000-07-28 2002-02-13 Raf Technology, Inc. Orthogonal technology for multi-line character recognition
JP4421134B2 (ja) * 2001-04-18 2010-02-24 富士通株式会社 文書画像検索装置
US7130470B1 (en) * 2002-03-15 2006-10-31 Oracle International Corporation System and method of context-based sorting of character strings for use in data base applications
CN1303564C (zh) * 2003-06-12 2007-03-07 摩托罗拉公司 改进的电子设备中字符输入的识别方法
US20050105799A1 (en) * 2003-11-17 2005-05-19 Media Lab Europe Dynamic typography system
US8208725B2 (en) * 2007-06-21 2012-06-26 Sharp Laboratories Of America, Inc. Methods and systems for identifying text orientation in a digital image
US8144989B2 (en) * 2007-06-21 2012-03-27 Sharp Laboratories Of America, Inc. Methods and systems for identifying text orientation in a digital image
US8340430B2 (en) * 2007-07-10 2012-12-25 Sharp Laboratories Of America, Inc. Methods and systems for identifying digital image characteristics
US8023741B2 (en) * 2008-05-23 2011-09-20 Sharp Laboratories Of America, Inc. Methods and systems for detecting numerals in a digital image
US8023770B2 (en) 2008-05-23 2011-09-20 Sharp Laboratories Of America, Inc. Methods and systems for identifying the orientation of a digital image
US8160365B2 (en) * 2008-06-30 2012-04-17 Sharp Laboratories Of America, Inc. Methods and systems for identifying digital image characteristics
JP5699570B2 (ja) * 2010-11-30 2015-04-15 富士ゼロックス株式会社 画像処理装置及び画像処理プログラム
TWI478074B (zh) * 2010-12-01 2015-03-21 Inst Information Industry 文字辨識方法、裝置以及儲存其之電腦可讀取紀錄媒體
US9076058B2 (en) 2013-01-29 2015-07-07 Sharp Laboratories Of America, Inc. Methods, systems and apparatus for determining orientation in a document image
JP6131765B2 (ja) * 2013-08-06 2017-05-24 富士ゼロックス株式会社 情報処理装置及び情報処理プログラム
CN106293431A (zh) * 2015-05-26 2017-01-04 富泰华工业（深圳）有限公司 手写输入识别方法、系统与电子装置
CN104915648B (zh) * 2015-06-02 2018-07-20 北京天创征腾信息科技有限公司 文档/单证方向检测方法和检测装置

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5856189A (ja) * 1981-09-30 1983-04-02 Comput Basic Mach Technol Res Assoc 文字認識装置
JPS60217477A (ja) * 1984-04-12 1985-10-31 Toshiba Corp 手書き文字認識装置
JPS62120586A (ja) * 1985-11-20 1987-06-01 Ricoh Co Ltd 文字認識装置
JP2659180B2 (ja) * 1986-02-26 1997-09-30 日本電気株式会社 光学文字読取装置

Also Published As

Publication number Publication date
EP0325233A2 (de) 1989-07-26
EP0325233B1 (de) 1994-07-27
US5020117A (en) 1991-05-28
KR890012240A (ko) 1989-08-25
KR910007752B1 (ko) 1991-09-30
EP0325233A3 (de) 1992-03-25
DE68916978D1 (de) 1994-09-01

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8320 Willingness to grant licences declared (paragraph 23)
8339 Ceased/non-payment of the annual fee