GB2165717B - Image outline sharpness control - Google Patents

Image outline sharpness control

Info

Publication number
GB2165717B
GB2165717B GB08518279A GB8518279A GB2165717B GB 2165717 B GB2165717 B GB 2165717B GB 08518279 A GB08518279 A GB 08518279A GB 8518279 A GB8518279 A GB 8518279A GB 2165717 B GB2165717 B GB 2165717B
Authority
GB
United Kingdom
Prior art keywords
image outline
sharpness control
outline sharpness
control
image
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
GB08518279A
Other languages
English (en)
Other versions
GB2165717A (en
GB8518279D0 (en
Inventor
Hideaki Kitamura
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.)
Dainippon Screen Manufacturing Co Ltd
Original Assignee
Dainippon Screen Manufacturing 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 Dainippon Screen Manufacturing Co Ltd filed Critical Dainippon Screen Manufacturing Co Ltd
Publication of GB8518279D0 publication Critical patent/GB8518279D0/en
Publication of GB2165717A publication Critical patent/GB2165717A/en
Application granted granted Critical
Publication of GB2165717B publication Critical patent/GB2165717B/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/40—Picture signal circuits
    • H04N1/409—Edge or detail enhancement; Noise or error suppression
    • H04N1/4092—Edge or detail enhancement

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Facsimile Image Signal Circuits (AREA)
  • Image Processing (AREA)
GB08518279A 1984-10-16 1985-07-19 Image outline sharpness control Expired GB2165717B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP59217577A JPS6195669A (ja) 1984-10-16 1984-10-16 画像処理方法

Publications (3)

Publication Number Publication Date
GB8518279D0 GB8518279D0 (en) 1985-08-29
GB2165717A GB2165717A (en) 1986-04-16
GB2165717B true GB2165717B (en) 1988-05-05

Family

ID=16706456

Family Applications (1)

Application Number Title Priority Date Filing Date
GB08518279A Expired GB2165717B (en) 1984-10-16 1985-07-19 Image outline sharpness control

Country Status (3)

Country Link
JP (1) JPS6195669A (enrdf_load_stackoverflow)
DE (1) DE3524852A1 (enrdf_load_stackoverflow)
GB (1) GB2165717B (enrdf_load_stackoverflow)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63156475A (ja) * 1986-12-19 1988-06-29 Dainippon Screen Mfg Co Ltd 多階調画像読取装置
EP0327107B1 (en) * 1988-02-05 1994-07-13 Dainippon Screen Mfg. Co., Ltd. Method and processor for enhancing image sharpness for image reproduction with scanner
JP2620368B2 (ja) * 1989-04-18 1997-06-11 富士写真フイルム株式会社 画像信号処理方法およびその装置
JPH02278383A (ja) * 1989-04-19 1990-11-14 Fuji Photo Film Co Ltd 画像処理装置
JP3003799B2 (ja) * 1990-03-28 2000-01-31 富士写真フイルム株式会社 画像の鮮鋭度強調方法及びその装置
JPH0447381A (ja) * 1990-06-12 1992-02-17 Fujitsu Ltd 輪郭強調処理方式
GB2253964A (en) * 1991-03-20 1992-09-23 Rank Cintel Ltd Treatment of video signals produced by aperture correctors
US5319719A (en) * 1991-05-15 1994-06-07 Konica Corporation Processing apparatus for radiographic image signals
EP0917347A3 (en) * 1997-11-17 2000-12-13 Xerox Corporation Dynamically adjustable unsharp masking for digital image processing
DE69835931T2 (de) * 1997-11-17 2007-01-04 Xerox Corp. Unschärfenmaskierung für Entwurfsmoduswiedergabe von digitalen Bildern
JP4126938B2 (ja) 2002-03-22 2008-07-30 セイコーエプソン株式会社 画像処理装置および画像出力装置
JP4665718B2 (ja) * 2005-10-28 2011-04-06 株式会社ニコン 撮影装置

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2114149C3 (de) * 1971-03-24 1973-09-20 Robert Bosch Fernsehanlagen Gmbh, 6100 Darmstadt Amphtudendiskriminator fur eine Schaltungsanordnung zur Erzeugung eines Korrektursignals zur Flankenverstelle rung von Impulsen
DE2805237C3 (de) * 1978-02-08 1984-09-06 Dr.-Ing. Rudolf Hell Gmbh, 2300 Kiel Anordnung zur Kontraststeigerung
DE2837139C3 (de) * 1978-08-25 1982-02-25 Dr.-Ing. Rudolf Hell Gmbh, 2300 Kiel Verfahren und Schaltungsanordnung zur Impulsaufsteilung
JPS568140A (en) * 1979-07-02 1981-01-27 Dainippon Screen Mfg Co Ltd Emphasizing method of sharpness in image scanning and recording apparatus
DE3024904A1 (de) * 1980-07-01 1982-01-28 Dr.-Ing. Rudolf Hell Gmbh, 2300 Kiel Verfahren zur impulsaufsteilung
JPS59141871A (ja) * 1983-02-02 1984-08-14 Dainippon Screen Mfg Co Ltd 画像走査記録時における鮮鋭度強調方法

Also Published As

Publication number Publication date
DE3524852C2 (enrdf_load_stackoverflow) 1988-03-03
DE3524852A1 (de) 1986-04-24
GB2165717A (en) 1986-04-16
JPS6195669A (ja) 1986-05-14
GB8518279D0 (en) 1985-08-29

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Legal Events

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

Effective date: 19950719