KR890002473B1 - 문자인식방식 - Google Patents

문자인식방식 Download PDF

Info

Publication number
KR890002473B1
KR890002473B1 KR1019840006937A KR840006937A KR890002473B1 KR 890002473 B1 KR890002473 B1 KR 890002473B1 KR 1019840006937 A KR1019840006937 A KR 1019840006937A KR 840006937 A KR840006937 A KR 840006937A KR 890002473 B1 KR890002473 B1 KR 890002473B1
Authority
KR
South Korea
Prior art keywords
character
circuit
characters
features
row
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
Application number
KR1019840006937A
Other languages
English (en)
Korean (ko)
Other versions
KR850003608A (ko
Inventor
코오지 사또오
Original Assignee
스미도모덴기고오교오 가부시기가이샤
나까하라 쯔네오
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 스미도모덴기고오교오 가부시기가이샤, 나까하라 쯔네오 filed Critical 스미도모덴기고오교오 가부시기가이샤
Publication of KR850003608A publication Critical patent/KR850003608A/ko
Application granted granted Critical
Publication of KR890002473B1 publication Critical patent/KR890002473B1/ko
Expired legal-status Critical Current

Links

Images

Classifications

    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; 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
    • G06V30/18—Extraction of features or characteristics of the image
    • G06V30/182—Extraction of features or characteristics of the image by coding the contour of the pattern
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; 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
    • G06V30/18—Extraction of features or characteristics of the image
    • G06V30/18162—Extraction of features or characteristics of the image related to a structural representation of the pattern
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; 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)
KR1019840006937A 1983-11-09 1984-11-06 문자인식방식 Expired KR890002473B1 (ko)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP80-211374 1983-11-09
JP58-211374 1983-11-09
JP58211374A JPS60103492A (ja) 1983-11-09 1983-11-09 文字認識方式

Publications (2)

Publication Number Publication Date
KR850003608A KR850003608A (ko) 1985-06-20
KR890002473B1 true KR890002473B1 (ko) 1989-07-10

Family

ID=16604900

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019840006937A Expired KR890002473B1 (ko) 1983-11-09 1984-11-06 문자인식방식

Country Status (7)

Country Link
US (1) US4783835A (enExample)
EP (1) EP0144006B1 (enExample)
JP (1) JPS60103492A (enExample)
KR (1) KR890002473B1 (enExample)
AU (1) AU571021B2 (enExample)
CA (1) CA1214561A (enExample)
DE (1) DE3478769D1 (enExample)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5058182A (en) * 1988-05-02 1991-10-15 The Research Foundation Of State Univ. Of New York Method and apparatus for handwritten character recognition
US4874404A (en) * 1989-03-01 1989-10-17 Boswell Jerald O Vacuum cleaner
JPH03214378A (ja) * 1990-01-19 1991-09-19 Sony Corp 文字認識装置
JPH043279A (ja) * 1990-04-20 1992-01-08 Canon Inc 画像読み取り装置
JPH0749927A (ja) * 1993-08-09 1995-02-21 Nireco Corp パターン認識方法
US5795784A (en) 1996-09-19 1998-08-18 Abbott Laboratories Method of performing a process for determining an item of interest in a sample
US5856194A (en) 1996-09-19 1999-01-05 Abbott Laboratories Method for determination of item of interest in a sample
JP4208491B2 (ja) * 2002-06-11 2009-01-14 キヤノン株式会社 撮像装置及び指紋認識装置
US20040208376A1 (en) * 2003-04-18 2004-10-21 Winbond Electronics Corp. Pattern recognition device and method
CN101763505B (zh) * 2009-12-29 2011-12-07 重庆大学 基于投影对称性的车牌字符特征提取及分类方法

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3303463A (en) * 1963-03-04 1967-02-07 Ibm Error detection and correction apparatus for character readers
US3585592A (en) * 1968-02-29 1971-06-15 Nippon Electric Co Character recognition system with character edge detection capability
JPS5242028A (en) * 1975-09-29 1977-04-01 Fujitsu Ltd Letter recognition system
JPS5811663B2 (ja) * 1977-05-24 1983-03-04 シャープ株式会社 文字図形認識方式
US4193056A (en) * 1977-05-23 1980-03-11 Sharp Kabushiki Kaisha OCR for reading a constraint free hand-written character or the like
JPS596418B2 (ja) * 1977-07-07 1984-02-10 住友電気工業株式会社 文字読取方式
GB2002159B (en) * 1977-07-07 1982-01-13 Sumitomo Electric Industries Character reading system
US4180799A (en) * 1978-04-21 1979-12-25 Caere Corporation Apparatus and method for recognizing characters
AU533978B2 (en) * 1979-11-16 1983-12-22 Tokyo Electric Co. Ltd. Character reader
US4355301A (en) * 1980-05-27 1982-10-19 Sumitomo Electric Industries, Ltd. Optical character reading system

Also Published As

Publication number Publication date
EP0144006B1 (en) 1989-06-21
KR850003608A (ko) 1985-06-20
AU3521284A (en) 1985-05-16
AU571021B2 (en) 1988-03-31
JPS60103492A (ja) 1985-06-07
US4783835A (en) 1988-11-08
CA1214561A (en) 1986-11-25
EP0144006A3 (en) 1987-01-14
EP0144006A2 (en) 1985-06-12
DE3478769D1 (en) 1989-07-27
JPH0452510B2 (enExample) 1992-08-24

Similar Documents

Publication Publication Date Title
EP0063454B1 (en) Method for recognizing machine encoded characters
US3710321A (en) Machine recognition of lexical symbols
US4910787A (en) Discriminator between handwritten and machine-printed characters
US4748317A (en) Optical reader
US5805740A (en) Bar-code field detecting apparatus performing differential process and bar-code reading apparatus
US4813078A (en) Character recognition apparatus
US4075605A (en) Character recognition unit
KR890002473B1 (ko) 문자인식방식
US4355301A (en) Optical character reading system
US4193056A (en) OCR for reading a constraint free hand-written character or the like
US4797940A (en) Optical character reader
US5471041A (en) Bar-code reader device
EP0144202A2 (en) Optical reader
Chin et al. A microprocessor-based optical character recognition check reader
JP2573665B2 (ja) 光学文字読取装置
JPH0431436B2 (enExample)
US4063219A (en) Character recognition system
JPH0434793B2 (enExample)
JPS6141030B2 (enExample)
JPH0765103A (ja) 光学式記号読取装置
EP0201909A2 (en) Procedure for automatic reading of images and device for carrying out this same procedure
JPH0731716B2 (ja) 光学的文字読取装置
JPS5878270A (ja) 光学的文字読取り装置
JP2906608B2 (ja) 光学的文字読取装置
JP2578768B2 (ja) 画像処理方法

Legal Events

Date Code Title Description
A201 Request for examination
PA0109 Patent application

St.27 status event code: A-0-1-A10-A12-nap-PA0109

PA0201 Request for examination

St.27 status event code: A-1-2-D10-D11-exm-PA0201

R17-X000 Change to representative recorded

St.27 status event code: A-3-3-R10-R17-oth-X000

P11-X000 Amendment of application requested

St.27 status event code: A-2-2-P10-P11-nap-X000

P13-X000 Application amended

St.27 status event code: A-2-2-P10-P13-nap-X000

PG1501 Laying open of application

St.27 status event code: A-1-1-Q10-Q12-nap-PG1501

E902 Notification of reason for refusal
PE0902 Notice of grounds for rejection

St.27 status event code: A-1-2-D10-D21-exm-PE0902

P11-X000 Amendment of application requested

St.27 status event code: A-2-2-P10-P11-nap-X000

P13-X000 Application amended

St.27 status event code: A-2-2-P10-P13-nap-X000

G160 Decision to publish patent application
PG1605 Publication of application before grant of patent

St.27 status event code: A-2-2-Q10-Q13-nap-PG1605

E701 Decision to grant or registration of patent right
PE0701 Decision of registration

St.27 status event code: A-1-2-D10-D22-exm-PE0701

GRNT Written decision to grant
PR0701 Registration of establishment

St.27 status event code: A-2-4-F10-F11-exm-PR0701

PR1002 Payment of registration fee

St.27 status event code: A-2-2-U10-U11-oth-PR1002

Fee payment year number: 1

PR1001 Payment of annual fee

St.27 status event code: A-4-4-U10-U11-oth-PR1001

Fee payment year number: 4

PR1001 Payment of annual fee

St.27 status event code: A-4-4-U10-U11-oth-PR1001

Fee payment year number: 5

PR1001 Payment of annual fee

St.27 status event code: A-4-4-U10-U11-oth-PR1001

Fee payment year number: 6

PR1001 Payment of annual fee

St.27 status event code: A-4-4-U10-U11-oth-PR1001

Fee payment year number: 7

PR1001 Payment of annual fee

St.27 status event code: A-4-4-U10-U11-oth-PR1001

Fee payment year number: 8

FPAY Annual fee payment

Payment date: 19970701

Year of fee payment: 9

PR1001 Payment of annual fee

St.27 status event code: A-4-4-U10-U11-oth-PR1001

Fee payment year number: 9

LAPS Lapse due to unpaid annual fee
PC1903 Unpaid annual fee

St.27 status event code: A-4-4-U10-U13-oth-PC1903

Not in force date: 19980711

Payment event data comment text: Termination Category : DEFAULT_OF_REGISTRATION_FEE

PC1903 Unpaid annual fee

St.27 status event code: N-4-6-H10-H13-oth-PC1903

Ip right cessation event data comment text: Termination Category : DEFAULT_OF_REGISTRATION_FEE

Not in force date: 19980711

PN2301 Change of applicant

St.27 status event code: A-5-5-R10-R13-asn-PN2301

St.27 status event code: A-5-5-R10-R11-asn-PN2301

P22-X000 Classification modified

St.27 status event code: A-4-4-P10-P22-nap-X000

R18-X000 Changes to party contact information recorded

St.27 status event code: A-5-5-R10-R18-oth-X000