GB2203613B - Image processing apparatus - Google Patents

Image processing apparatus

Info

Publication number
GB2203613B
GB2203613B GB8807783A GB8807783A GB2203613B GB 2203613 B GB2203613 B GB 2203613B GB 8807783 A GB8807783 A GB 8807783A GB 8807783 A GB8807783 A GB 8807783A GB 2203613 B GB2203613 B GB 2203613B
Authority
GB
United Kingdom
Prior art keywords
processing apparatus
image processing
image
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
GB8807783A
Other languages
English (en)
Other versions
GB2203613A (en
GB8807783D0 (en
Inventor
Ken Onodera
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
Priority claimed from JP62083008A external-priority patent/JPH081553B2/ja
Priority claimed from JP62083007A external-priority patent/JPS63249193A/ja
Application filed by Canon Inc filed Critical Canon Inc
Publication of GB8807783D0 publication Critical patent/GB8807783D0/en
Publication of GB2203613A publication Critical patent/GB2203613A/en
Application granted granted Critical
Publication of GB2203613B publication Critical patent/GB2203613B/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; 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 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
    • G06V30/1823—Extraction of features or characteristics of the image by coding the contour of the pattern using vector-coding
    • 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)
  • Multimedia (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Image Generation (AREA)
  • Controls And Circuits For Display Device (AREA)
GB8807783A 1987-04-06 1988-03-31 Image processing apparatus Expired - Lifetime GB2203613B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP62083008A JPH081553B2 (ja) 1987-04-06 1987-04-06 画像データの圧縮方式
JP62083007A JPS63249193A (ja) 1987-04-06 1987-04-06 画像デ−タの圧縮方式

Publications (3)

Publication Number Publication Date
GB8807783D0 GB8807783D0 (en) 1988-05-05
GB2203613A GB2203613A (en) 1988-10-19
GB2203613B true GB2203613B (en) 1992-01-02

Family

ID=26424071

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8807783A Expired - Lifetime GB2203613B (en) 1987-04-06 1988-03-31 Image processing apparatus

Country Status (4)

Country Link
DE (1) DE3811396A1 (enrdf_load_stackoverflow)
FR (1) FR2613508B1 (enrdf_load_stackoverflow)
GB (1) GB2203613B (enrdf_load_stackoverflow)
IT (1) IT1219909B (enrdf_load_stackoverflow)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5233671A (en) * 1989-02-22 1993-08-03 Ricoh Company Ltd. Image coding method for coding characters using a modified Bezier curve
JP2806961B2 (ja) * 1989-02-22 1998-09-30 株式会社リコー 画像符号化方法
KR930003126B1 (ko) * 1989-04-20 1993-04-19 가부시기가이샤 도시바 곡선정합에 있어서 형상을 표시하는 직선쇼트벡터의 접속상태를 판정하는 방법 및 시스템
JP2747002B2 (ja) * 1989-04-20 1998-05-06 株式会社東芝 直線ショートベクトル列によって表された形状の直線部と曲線部の切り分け方法
JPH03121575A (ja) * 1989-10-04 1991-05-23 Stanley Electric Co Ltd 曲線近似方法および曲線の記憶方法
JP2774653B2 (ja) * 1990-03-14 1998-07-09 キヤノン株式会社 文字処理装置
FR2662041A1 (fr) * 1990-05-11 1991-11-15 Metzger Gerard Procede et dispositif de transmission d'images.
EP0479496A3 (en) * 1990-09-28 1993-03-31 Xerox Corporation High speed graphic image generation using multiple steppers
JP2961121B2 (ja) * 1990-10-17 1999-10-12 セイコープレシジョン株式会社 曲線近似装置
JP2522107B2 (ja) * 1990-10-17 1996-08-07 株式会社精工舎 曲線近似方法
EP0604685A1 (en) * 1992-12-28 1994-07-06 Océ-Nederland B.V. Method of modifying the fatness of characters
US5594852A (en) * 1994-08-17 1997-01-14 Laser Products, Inc. Method for operating a curve forming device
KR100239592B1 (ko) * 1997-01-21 2000-01-15 전주범 윤곽선 부호화방법 및 장치
US5978512A (en) * 1997-01-21 1999-11-02 Daewoo Electronics Co., Ltd Polygonal approximation method and apparatus for use in a contour encoding system

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2147474A (en) * 1983-10-03 1985-05-09 Shaken Kk Method of processing character or pictorial image data

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4674058A (en) * 1981-12-07 1987-06-16 Dicomed Corporation Method and apparatus for flexigon representation of a two dimensional figure
DE3429110A1 (de) * 1984-08-03 1986-02-13 H. Berthold Ag, 1000 Berlin Verfahren zum kodieren und dekodieren von schriftzeichen
US4674059A (en) * 1984-09-10 1987-06-16 Allied Corporation Method and apparatus for generating a set of signals representing a curve

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2147474A (en) * 1983-10-03 1985-05-09 Shaken Kk Method of processing character or pictorial image data

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
WO A1 83/02179 *

Also Published As

Publication number Publication date
FR2613508A1 (fr) 1988-10-07
FR2613508B1 (fr) 1996-02-09
GB2203613A (en) 1988-10-19
GB8807783D0 (en) 1988-05-05
DE3811396A1 (de) 1988-10-27
IT1219909B (it) 1990-05-24
DE3811396C2 (enrdf_load_stackoverflow) 1991-11-07
IT8847822A0 (it) 1988-04-06

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee