JPH0152782B2 - - Google Patents

Info

Publication number
JPH0152782B2
JPH0152782B2 JP55004520A JP452080A JPH0152782B2 JP H0152782 B2 JPH0152782 B2 JP H0152782B2 JP 55004520 A JP55004520 A JP 55004520A JP 452080 A JP452080 A JP 452080A JP H0152782 B2 JPH0152782 B2 JP H0152782B2
Authority
JP
Japan
Prior art keywords
row
feature
column
shape
features
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
JP55004520A
Other languages
English (en)
Japanese (ja)
Other versions
JPS56103773A (en
Inventor
Shunji Mori
Hirozo Yamada
Takahiko Takeuchi
Michihisa Do
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.)
National Institute of Advanced Industrial Science and Technology AIST
Tokyo Keiki Inc
Original Assignee
Agency of Industrial Science and Technology
Tokyo Keiki Co Ltd
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 Agency of Industrial Science and Technology, Tokyo Keiki Co Ltd filed Critical Agency of Industrial Science and Technology
Priority to JP452080A priority Critical patent/JPS56103773A/ja
Priority to US06/226,091 priority patent/US4468808A/en
Publication of JPS56103773A publication Critical patent/JPS56103773A/ja
Publication of JPH0152782B2 publication Critical patent/JPH0152782B2/ja
Granted 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
    • G06V30/18—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; 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)
  • Image Analysis (AREA)
  • Character Discrimination (AREA)
JP452080A 1980-01-21 1980-01-21 Feature extracing system of binary pattern Granted JPS56103773A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP452080A JPS56103773A (en) 1980-01-21 1980-01-21 Feature extracing system of binary pattern
US06/226,091 US4468808A (en) 1980-01-21 1981-01-19 Feature extraction system for digitized character information

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP452080A JPS56103773A (en) 1980-01-21 1980-01-21 Feature extracing system of binary pattern

Publications (2)

Publication Number Publication Date
JPS56103773A JPS56103773A (en) 1981-08-19
JPH0152782B2 true JPH0152782B2 (US08124630-20120228-C00102.png) 1989-11-10

Family

ID=11586319

Family Applications (1)

Application Number Title Priority Date Filing Date
JP452080A Granted JPS56103773A (en) 1980-01-21 1980-01-21 Feature extracing system of binary pattern

Country Status (2)

Country Link
US (1) US4468808A (US08124630-20120228-C00102.png)
JP (1) JPS56103773A (US08124630-20120228-C00102.png)

Families Citing this family (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58142468A (ja) * 1982-02-17 1983-08-24 Mitsubishi Electric Corp 図形処理装置
US4853967A (en) * 1984-06-29 1989-08-01 International Business Machines Corporation Method for automatic optical inspection analysis of integrated circuits
EP0275721A1 (fr) * 1987-01-20 1988-07-27 Up Systems Procédé automatique, d'analyse optique et de contrôle électronique ligne par ligne du graphisme d'une scène bidimentionnelle, par suivi de formes
US4807143A (en) * 1986-07-07 1989-02-21 Asahi Kasei Kogyo Kabushiki Kaisha System for forming design pattern data
US4837842A (en) * 1986-09-19 1989-06-06 Holt Arthur W Character and pattern recognition machine and method
US5097517A (en) * 1987-03-17 1992-03-17 Holt Arthur W Method and apparatus for processing bank checks, drafts and like financial documents
US4905295A (en) * 1986-11-13 1990-02-27 Ricoh Company, Ltd. Code sequence matching method and apparatus
US4757472A (en) * 1986-12-31 1988-07-12 Tecon Memory, Inc. Electrophotographic optical memory system
JP3014097B2 (ja) * 1987-02-20 2000-02-28 株式会社日立製作所 輪郭追跡方法及びシステム
JP2810660B2 (ja) * 1987-03-06 1998-10-15 株式会社日立製作所 粒子画像の解析装置
US4987603A (en) * 1988-09-22 1991-01-22 Glory Kogyo Kabushiki Kaisha Recognition method for letter patterns
US5091966A (en) * 1990-07-31 1992-02-25 Xerox Corporation Adaptive scaling for decoding spatially periodic self-clocking glyph shape codes
DE69226103T2 (de) * 1991-02-22 1998-11-19 Canon Kk System zur Bildbearbeitung
DE69228433T2 (de) * 1991-03-29 1999-07-22 Canon K.K., Tokio/Tokyo Anordnung zur Registrierung von Informationen und Verfahren zur Bildregistrierung
US5862255A (en) * 1996-06-18 1999-01-19 Xerox Corporation Broad bandwidth image domain communication channel with symbol interference suppression
JP3003925B2 (ja) * 1996-12-02 2000-01-31 株式会社日立製作所 欠陥検査装置
JPH10293852A (ja) * 1997-04-21 1998-11-04 Fuji Photo Film Co Ltd 輪郭線抽出方法
JP3411472B2 (ja) * 1997-05-30 2003-06-03 富士通株式会社 パターン抽出装置
US6332040B1 (en) * 1997-11-04 2001-12-18 J. Howard Jones Method and apparatus for sorting and comparing linear configurations
KR100315428B1 (ko) 1999-12-24 2001-11-26 오길록 다국어 인쇄체 문서인식을 위한 문자 특징 추출 장치 및그 방법
AUPR773901A0 (en) * 2001-09-18 2001-10-11 University Of Queensland, The Fracture cuff
CA2375355A1 (en) * 2002-03-11 2003-09-11 Neo Systems Inc. Character recognition system and method
JP5173873B2 (ja) * 2008-11-20 2013-04-03 キヤノン株式会社 画像符号化装置及びその制御方法
JP5116650B2 (ja) * 2008-12-10 2013-01-09 キヤノン株式会社 画像符号化装置及びその制御方法
US10725650B2 (en) * 2014-03-17 2020-07-28 Kabushiki Kaisha Kawai Gakki Seisakusho Handwritten music sign recognition device and program
JP6778962B1 (ja) * 2019-07-30 2020-11-04 国立大学法人 大分大学 二次元セルオートマトンによる肺結節明瞭化法

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS50103941A (US08124630-20120228-C00102.png) * 1974-01-16 1975-08-16

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3178688A (en) * 1962-12-20 1965-04-13 Control Data Corp Character recognition by feature selection
US3541511A (en) * 1966-10-31 1970-11-17 Tokyo Shibaura Electric Co Apparatus for recognising a pattern
DE2017246C3 (de) * 1970-04-10 1975-11-06 Siemens Ag, 1000 Berlin Und 8000 Muenchen Verfahren und Einrichtung zum Ermitteln des Konturverlaufes eines spaltenweise abgetasteten Schrittzeichens
JPS5215235A (en) * 1975-07-26 1977-02-04 Fujitsu Ltd Character recognition unit
US4048615A (en) * 1976-06-04 1977-09-13 Recognition Equipment Incorporated Automated character recognition system
US4155072A (en) * 1976-12-17 1979-05-15 Ricoh Company, Ltd. Character recognition apparatus
US4193056A (en) * 1977-05-23 1980-03-11 Sharp Kabushiki Kaisha OCR for reading a constraint free hand-written character or the like
US4189711A (en) * 1977-11-08 1980-02-19 Bell Telephone Laboratories, Incorporated Multilevel processing of image signals

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS50103941A (US08124630-20120228-C00102.png) * 1974-01-16 1975-08-16

Also Published As

Publication number Publication date
US4468808A (en) 1984-08-28
JPS56103773A (en) 1981-08-19

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