NL183790C - Werkwijze voor karaktersegmentatie. - Google Patents

Werkwijze voor karaktersegmentatie.

Info

Publication number
NL183790C
NL183790C NLAANVRAGE8006371,A NL8006371A NL183790C NL 183790 C NL183790 C NL 183790C NL 8006371 A NL8006371 A NL 8006371A NL 183790 C NL183790 C NL 183790C
Authority
NL
Netherlands
Prior art keywords
character segmentation
segmentation
character
Prior art date
Application number
NLAANVRAGE8006371,A
Other languages
English (en)
Other versions
NL183790B (nl
NL8006371A (nl
Inventor
Jozef Theodorus Wilhelmu Damen
Hong Sie Ir Tan
Original Assignee
Nederlanden Staat
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 Nederlanden Staat filed Critical Nederlanden Staat
Priority to NLAANVRAGE8006371,A priority Critical patent/NL183790C/nl
Priority to EP81201232A priority patent/EP0052902A1/en
Priority to US06/319,803 priority patent/US4466121A/en
Publication of NL8006371A publication Critical patent/NL8006371A/nl
Publication of NL183790B publication Critical patent/NL183790B/nl
Application granted granted Critical
Publication of NL183790C publication Critical patent/NL183790C/nl

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
    • G06V30/158—Segmentation of character regions using character size, text spacings or pitch estimation
    • 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)
NLAANVRAGE8006371,A 1980-11-21 1980-11-21 Werkwijze voor karaktersegmentatie. NL183790C (nl)

Priority Applications (3)

Application Number Priority Date Filing Date Title
NLAANVRAGE8006371,A NL183790C (nl) 1980-11-21 1980-11-21 Werkwijze voor karaktersegmentatie.
EP81201232A EP0052902A1 (en) 1980-11-21 1981-10-30 Method and device for character segmentation
US06/319,803 US4466121A (en) 1980-11-21 1981-11-09 Method and device for character segmentation

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NL8006371 1980-11-21
NLAANVRAGE8006371,A NL183790C (nl) 1980-11-21 1980-11-21 Werkwijze voor karaktersegmentatie.

Publications (3)

Publication Number Publication Date
NL8006371A NL8006371A (nl) 1982-06-16
NL183790B NL183790B (nl) 1988-08-16
NL183790C true NL183790C (nl) 1989-01-16

Family

ID=19836222

Family Applications (1)

Application Number Title Priority Date Filing Date
NLAANVRAGE8006371,A NL183790C (nl) 1980-11-21 1980-11-21 Werkwijze voor karaktersegmentatie.

Country Status (3)

Country Link
US (1) US4466121A (nl)
EP (1) EP0052902A1 (nl)
NL (1) NL183790C (nl)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4562594A (en) * 1983-09-29 1985-12-31 International Business Machines Corp. (Ibm) Method and apparatus for segmenting character images
US4635290A (en) * 1983-12-20 1987-01-06 Nec Corporation Sectioning apparatus and method for optical character reader systems
JPH0731714B2 (ja) * 1986-05-29 1995-04-10 インタ−ナショナル ビジネス マシ−ンズ コ−ポレ−ション 文字成分切出し方法
JPH0634256B2 (ja) * 1987-03-04 1994-05-02 シャープ株式会社 接触文字切出し方法
NL8901759A (nl) * 1989-07-10 1991-02-01 Nederland Ptt Werkwijze voor het detecteren van een streepcode.
US5091968A (en) * 1990-12-28 1992-02-25 Ncr Corporation Optical character recognition system and method
JP2821285B2 (ja) * 1991-07-23 1998-11-05 キヤノン株式会社 画像処理方法及び装置
EP0627693B1 (fr) * 1993-05-05 2004-11-17 Koninklijke Philips Electronics N.V. Dispositif de segmentation d'images composées de textures
JP3237975B2 (ja) * 1993-09-20 2001-12-10 富士通株式会社 画像処理装置
US5692069A (en) * 1995-03-17 1997-11-25 Eastman Kodak Company Apparatus for performing character segmentation using slant histograms
US6295371B1 (en) * 1998-10-22 2001-09-25 Xerox Corporation Method and apparatus for image processing employing image segmentation using tokenization
US7079686B2 (en) * 2002-08-20 2006-07-18 Lexmark International, Inc. Systems and methods for content-based document image enhancement
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

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4206442A (en) * 1974-07-03 1980-06-03 Nippon Electric Co., Ltd. Letter segmenting apparatus for OCR comprising multi-level segmentor operable when binary segmenting fails

Also Published As

Publication number Publication date
NL183790B (nl) 1988-08-16
EP0052902A1 (en) 1982-06-02
NL8006371A (nl) 1982-06-16
US4466121A (en) 1984-08-14

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Legal Events

Date Code Title Description
A1B A search report has been drawn up
A85 Still pending on 85-01-01
BC A request for examination has been filed
SNR Assignments of patents or rights arising from examined patent applications

Owner name: KONINKLIJKE PTT NEDERLAND N.V.

TNT Modifications of names of proprietors of patents or applicants of examined patent applications

Owner name: KONINKLIJKE KPN N.V.

V4 Discontinued because of reaching the maximum lifetime of a patent

Free format text: 20001121