DE3634024C2 - - Google Patents

Info

Publication number
DE3634024C2
DE3634024C2 DE3634024A DE3634024A DE3634024C2 DE 3634024 C2 DE3634024 C2 DE 3634024C2 DE 3634024 A DE3634024 A DE 3634024A DE 3634024 A DE3634024 A DE 3634024A DE 3634024 C2 DE3634024 C2 DE 3634024C2
Authority
DE
Germany
Prior art keywords
image pattern
processing system
pattern
image
pattern processing
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 - Lifetime
Application number
DE3634024A
Other languages
German (de)
English (en)
Other versions
DE3634024A1 (de
Inventor
Kunio Tokio/Tokyo Jp Seto
Kensaku Yokohama Kanagawa Jp Tanaka
Yukari Chofu Tokio/Tokyo Jp Taniguchi
Takahiro Tokio/Tokyo Jp Kato
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.)
Canon Inc
Original Assignee
Canon Inc
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 Canon Inc filed Critical Canon Inc
Publication of DE3634024A1 publication Critical patent/DE3634024A1/de
Application granted granted Critical
Publication of DE3634024C2 publication Critical patent/DE3634024C2/de
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T9/00—Image coding
    • G06T9/20—Contour coding, e.g. using detection of edges
    • 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
    • G06V30/1823—Extraction of features or characteristics of the image by coding the contour of the pattern using vector-coding
    • 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)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Multimedia (AREA)
  • Theoretical Computer Science (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Controls And Circuits For Display Device (AREA)
  • Image Processing (AREA)
  • Dot-Matrix Printers And Others (AREA)
DE19863634024 1985-10-07 1986-10-06 Verfahren zur umwandlung von konturmustern Granted DE3634024A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP60222937A JPS6282484A (ja) 1985-10-07 1985-10-07 線形図形の変換方法

Publications (2)

Publication Number Publication Date
DE3634024A1 DE3634024A1 (de) 1987-04-16
DE3634024C2 true DE3634024C2 (ja) 1990-01-18

Family

ID=16790204

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19863634024 Granted DE3634024A1 (de) 1985-10-07 1986-10-06 Verfahren zur umwandlung von konturmustern

Country Status (4)

Country Link
JP (1) JPS6282484A (ja)
DE (1) DE3634024A1 (ja)
FR (1) FR2588399B1 (ja)
GB (1) GB2183429B (ja)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0823741B2 (ja) * 1987-06-03 1996-03-06 株式会社日立製作所 ベクトル文字もしくはベクトル図形の処理方法
JP2538631B2 (ja) * 1988-01-29 1996-09-25 株式会社日立製作所 ベクトル文字の処理方法
JPH02158363A (ja) * 1988-12-13 1990-06-18 Nec Off Syst Ltd 文字発生装置
DE4042644C2 (de) * 1989-09-26 1999-04-01 Canon Kk Druckgerät
JP2935510B2 (ja) * 1989-09-26 1999-08-16 キヤノン株式会社 出力装置及び出力方法
JP2755789B2 (ja) * 1990-06-11 1998-05-25 キヤノン株式会社 文字フオントメモリと、該文字フオントメモリを用いた文字パターン発生装置
GB9022229D0 (en) * 1990-10-12 1990-11-28 Nunney Stephen G Video waveform storing system
US5644366A (en) * 1992-01-29 1997-07-01 Canon Kabushiki Kaisha Image reproduction involving enlargement or reduction of extracted contour vector data for binary regions in images having both binary and halftone regions
DE69433603D1 (de) * 1993-10-26 2004-04-15 Canon Kk Bildverarbeitungsverfahren und -gerät

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3391392A (en) * 1965-10-18 1968-07-02 California Comp Products Inc Method and apparatus for pattern data processing
US4087788A (en) * 1977-01-14 1978-05-02 Ncr Canada Ltd - Ncr Canada Ltee Data compression system
US4199815A (en) * 1978-05-12 1980-04-22 Electra Corporation Typesetter character generating apparatus
US4633433A (en) * 1979-04-23 1986-12-30 International Business Machines Corporation Display system for displaying maps having two-dimensional roads
JPS58163078A (ja) * 1982-03-24 1983-09-27 Toshiba Corp 細線化処理方式
JPS5922160A (ja) * 1982-07-27 1984-02-04 Fujitsu Ltd 図形処理方法
JPS5947666A (ja) * 1982-09-13 1984-03-17 Dainippon Screen Mfg Co Ltd ２値画像のデ−タ圧縮方法
JPS5969787A (ja) * 1982-10-15 1984-04-20 日本電気オフィスシステム株式会社 文字信号発生方法とその装置
JPS59123069A (ja) * 1982-12-28 1984-07-16 Fujitsu Ltd ベクトル線分の太線処理方式
JPS59214970A (ja) * 1983-05-20 1984-12-04 Ricoh Co Ltd 書体変換方法

Also Published As

Publication number Publication date
GB8623689D0 (en) 1986-11-05
DE3634024A1 (de) 1987-04-16
GB2183429B (en) 1989-10-25
GB2183429A (en) 1987-06-03
FR2588399A1 (fr) 1987-04-10
FR2588399B1 (fr) 1994-10-21
JPS6282484A (ja) 1987-04-15

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Legal Events

Date Code Title Description
OP8 Request for examination as to paragraph 44 patent law
D2 Grant after examination
8364 No opposition during term of opposition