CN1035844C - 在字符识别系统中选取候选字符的方法 - Google Patents

在字符识别系统中选取候选字符的方法 Download PDF

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Publication number
CN1035844C
CN1035844C CN92111432A CN92111432A CN1035844C CN 1035844 C CN1035844 C CN 1035844C CN 92111432 A CN92111432 A CN 92111432A CN 92111432 A CN92111432 A CN 92111432A CN 1035844 C CN1035844 C CN 1035844C
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CN
China
Prior art keywords
character
characters
string
axis
feature
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Expired - Fee Related
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CN92111432A
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English (en)
Chinese (zh)
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CN1071527A (zh
Inventor
崔宰均
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LG Electronics Inc
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Gold Star Co Ltd
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Publication of CN1071527A publication Critical patent/CN1071527A/zh
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Publication of CN1035844C publication Critical patent/CN1035844C/zh
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    • GPHYSICS
    • G06COMPUTING OR CALCULATING; COUNTING
    • G06VIMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V10/00Arrangements for image or video recognition or understanding
    • G06V10/40Extraction of image or video features
    • GPHYSICS
    • G06COMPUTING OR CALCULATING; COUNTING
    • G06VIMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V30/00Character recognition; Recognising digital ink; Document-oriented image-based pattern recognition
    • G06V30/10Character recognition
    • G06V30/18Extraction of features or characteristics of the image
    • G06V30/184Extraction of features or characteristics of the image by analysing segments intersecting the pattern
    • GPHYSICS
    • G06COMPUTING OR CALCULATING; COUNTING
    • G06VIMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V30/00Character recognition; Recognising digital ink; Document-oriented image-based pattern recognition
    • G06V30/10Character recognition

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Multimedia (AREA)
  • Theoretical Computer Science (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Character Discrimination (AREA)
CN92111432A 1991-10-09 1992-10-09 在字符识别系统中选取候选字符的方法 Expired - Fee Related CN1035844C (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR1019910017699A KR0186025B1 (ko) 1991-10-09 1991-10-09 후보 문자 분류 방법
KR17699/91 1991-10-09

Publications (2)

Publication Number Publication Date
CN1071527A CN1071527A (zh) 1993-04-28
CN1035844C true CN1035844C (zh) 1997-09-10

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Family Applications (1)

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CN92111432A Expired - Fee Related CN1035844C (zh) 1991-10-09 1992-10-09 在字符识别系统中选取候选字符的方法

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US (1) US5596657A (enExample)
JP (1) JPH05225394A (enExample)
KR (1) KR0186025B1 (enExample)
CN (1) CN1035844C (enExample)
TW (1) TW231344B (enExample)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3260979B2 (ja) * 1994-07-15 2002-02-25 株式会社リコー 文字認識方法
US6208744B1 (en) * 1994-12-14 2001-03-27 Casio Computer Co., Ltd. Document image processor and method for setting a document format conforming to a document image
JP2730665B2 (ja) * 1994-12-15 1998-03-25 北陸先端科学技術大学院大学長 文字認識装置および方法
US5835633A (en) * 1995-11-20 1998-11-10 International Business Machines Corporation Concurrent two-stage multi-network optical character recognition system
US6654516B2 (en) * 2001-08-20 2003-11-25 Texas Instruments Incorporated Optical system and method
US8643741B2 (en) * 2012-01-17 2014-02-04 Apple Inc. Orientation detection using image processing
US9177360B2 (en) 2012-09-11 2015-11-03 Apple Inc. Automatic image orientation and straightening through image analysis

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN87105302A (zh) * 1986-07-29 1988-02-10 索尼公司 字符识别方法
CN1059415A (zh) * 1990-08-29 1992-03-11 河北大学 页式联想汉字识别系统

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4491960A (en) * 1982-04-05 1985-01-01 The United States Of America As Represented By The Secretary Of The Navy Handprinted symbol recognition system
JPH0664631B2 (ja) * 1987-09-09 1994-08-22 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 文字認識装置
US5185813A (en) * 1988-01-19 1993-02-09 Kabushiki Kaisha Toshiba Document image processing apparatus
US4975975A (en) * 1988-05-26 1990-12-04 Gtx Corporation Hierarchical parametric apparatus and method for recognizing drawn characters
US5040226A (en) * 1988-05-31 1991-08-13 Trw Financial Systems, Inc. Courtesy amount read and transaction balancing system
US5181255A (en) * 1990-12-13 1993-01-19 Xerox Corporation Segmentation of handwriting and machine printed text
US5202933A (en) * 1989-12-08 1993-04-13 Xerox Corporation Segmentation of text and graphics
US5020121A (en) * 1990-08-16 1991-05-28 Hewlett-Packard Company Neighborhood block prediction bit compression

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN87105302A (zh) * 1986-07-29 1988-02-10 索尼公司 字符识别方法
CN1059415A (zh) * 1990-08-29 1992-03-11 河北大学 页式联想汉字识别系统

Also Published As

Publication number Publication date
KR0186025B1 (ko) 1999-05-15
CN1071527A (zh) 1993-04-28
KR930008669A (ko) 1993-05-21
US5596657A (en) 1997-01-21
TW231344B (enExample) 1994-10-01
JPH05225394A (ja) 1993-09-03

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GR01 Patent grant
C15 Extension of patent right duration from 15 to 20 years for appl. with date before 31.12.1992 and still valid on 11.12.2001 (patent law change 1993)
OR01 Other related matters
C19 Lapse of patent right due to non-payment of the annual fee
CF01 Termination of patent right due to non-payment of annual fee