NL9100275A - Werkwijze voor beeldbewerking, scan/afdruksysteem voor uitvoeren van de werkwijze en beeldselectieeenheid voor toepassing in het scan/afdruksysteem. - Google Patents

Werkwijze voor beeldbewerking, scan/afdruksysteem voor uitvoeren van de werkwijze en beeldselectieeenheid voor toepassing in het scan/afdruksysteem. Download PDF

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Publication number
NL9100275A
NL9100275A NL9100275A NL9100275A NL9100275A NL 9100275 A NL9100275 A NL 9100275A NL 9100275 A NL9100275 A NL 9100275A NL 9100275 A NL9100275 A NL 9100275A NL 9100275 A NL9100275 A NL 9100275A
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NL
Netherlands
Prior art keywords
image
image signals
value
signals
pass filter
Prior art date
Application number
NL9100275A
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English (en)
Dutch (nl)
Original Assignee
Oce Nederland Bv
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
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First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=19858889&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=NL9100275(A) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Oce Nederland Bv filed Critical Oce Nederland Bv
Priority to NL9100275A priority Critical patent/NL9100275A/nl
Priority to DE69209866T priority patent/DE69209866T2/de
Priority to EP92200415A priority patent/EP0500174B1/de
Priority to US07/836,360 priority patent/US5343283A/en
Priority to JP4030905A priority patent/JPH04354470A/ja
Publication of NL9100275A publication Critical patent/NL9100275A/nl

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Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/40Picture signal circuits
    • H04N1/409Edge or detail enhancement; Noise or error suppression
    • H04N1/4092Edge or detail enhancement
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/40Picture signal circuits
    • H04N1/405Halftoning, i.e. converting the picture signal of a continuous-tone original into a corresponding signal showing only two levels

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Facsimile Image Signal Circuits (AREA)
  • Image Processing (AREA)
  • Facsimiles In General (AREA)
NL9100275A 1991-02-18 1991-02-18 Werkwijze voor beeldbewerking, scan/afdruksysteem voor uitvoeren van de werkwijze en beeldselectieeenheid voor toepassing in het scan/afdruksysteem. NL9100275A (nl)

Priority Applications (5)

Application Number Priority Date Filing Date Title
NL9100275A NL9100275A (nl) 1991-02-18 1991-02-18 Werkwijze voor beeldbewerking, scan/afdruksysteem voor uitvoeren van de werkwijze en beeldselectieeenheid voor toepassing in het scan/afdruksysteem.
DE69209866T DE69209866T2 (de) 1991-02-18 1992-02-14 Verfahren zur Bildverarbeitung und Abtastsystem/Ausdrucksystem zur Durchführung dieses Verfahrens
EP92200415A EP0500174B1 (de) 1991-02-18 1992-02-14 Verfahren zur Bildverarbeitung und Abtastsystem/Ausdrucksystem zur Durchführung dieses Verfahrens
US07/836,360 US5343283A (en) 1991-02-18 1992-02-18 Scan/print system for performing image processing and an image selection unit for use in the scan/print system
JP4030905A JPH04354470A (ja) 1991-02-18 1992-02-18 画像処理方法と、前記方法を行うための走査/印刷システムと、前記走査/印刷システム用の画像選択装置

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NL9100275 1991-02-18
NL9100275A NL9100275A (nl) 1991-02-18 1991-02-18 Werkwijze voor beeldbewerking, scan/afdruksysteem voor uitvoeren van de werkwijze en beeldselectieeenheid voor toepassing in het scan/afdruksysteem.

Publications (1)

Publication Number Publication Date
NL9100275A true NL9100275A (nl) 1992-09-16

Family

ID=19858889

Family Applications (1)

Application Number Title Priority Date Filing Date
NL9100275A NL9100275A (nl) 1991-02-18 1991-02-18 Werkwijze voor beeldbewerking, scan/afdruksysteem voor uitvoeren van de werkwijze en beeldselectieeenheid voor toepassing in het scan/afdruksysteem.

Country Status (5)

Country Link
US (1) US5343283A (de)
EP (1) EP0500174B1 (de)
JP (1) JPH04354470A (de)
DE (1) DE69209866T2 (de)
NL (1) NL9100275A (de)

Families Citing this family (20)

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Publication number Priority date Publication date Assignee Title
NL9201415A (nl) * 1992-08-06 1994-03-01 Oce Nederland Bv Werkwijze en inrichting voor het coderen en decoderen van digitale beeldgegevens.
US5598514A (en) * 1993-08-09 1997-01-28 C-Cube Microsystems Structure and method for a multistandard video encoder/decoder
US5568593A (en) * 1994-01-13 1996-10-22 Ethicon, Inc. Robotic control system for a needle sorting and feeding apparatus
US5625755A (en) * 1994-07-01 1997-04-29 Seiko Epson Corporation Method and apparatus for tonal correction in binary printing devices by predistortion of image data utilizing ink reduction processing
DE69416584T2 (de) * 1994-08-25 1999-10-07 St Microelectronics Srl Unscharfes Verfahren zur Bildrauschverringerung
US5910909A (en) * 1995-08-28 1999-06-08 C-Cube Microsystems, Inc. Non-linear digital filters for interlaced video signals and method thereof
US5781665A (en) * 1995-08-28 1998-07-14 Pitney Bowes Inc. Apparatus and method for cropping an image
US5822467A (en) * 1996-12-27 1998-10-13 Hewlett-Packard Company Sharpening filter for images with automatic adaptation to image type
US5854859A (en) * 1996-12-27 1998-12-29 Hewlett-Packard Company Image sharpening filter providing variable sharpening dependent on pixel intensity
US5911449A (en) * 1997-04-30 1999-06-15 Ethicon, Inc. Semi-automated needle feed method and apparatus
US6091891A (en) * 1997-05-09 2000-07-18 Lexmark International, Inc. Method and apparatus for calibrating delay lines to create gray levels in continuous tone printing
US6721457B1 (en) * 1999-08-27 2004-04-13 Hewlett-Packard Development Company, L.P. Method for enhancing digital images
JP2003046977A (ja) * 2001-07-31 2003-02-14 Matsushita Electric Ind Co Ltd 中継サーバ
US7639392B2 (en) * 2003-03-28 2009-12-29 Infoprint Solutions Company, Llc Methods, systems, and media to enhance image processing in a color reprographic system
KR100580184B1 (ko) * 2004-01-15 2006-05-16 삼성전자주식회사 1회 스캐닝에 의한 복수 이미지 파일들의 생성방법 및 장치
US7847979B2 (en) * 2006-07-07 2010-12-07 Eastman Kodak Company Printer having differential filtering smear correction
JP5168056B2 (ja) * 2008-09-29 2013-03-21 富士通セミコンダクター株式会社 ノイズ除去装置及びノイズ除去方法
JP5675253B2 (ja) 2009-12-28 2015-02-25 キヤノン株式会社 画像処理装置、画像処理方法及びコンピュータプログラム
TWI493503B (zh) * 2012-03-05 2015-07-21 Altek Corp 影像銳利化處理裝置及影像銳利化處理方法
CN107358582B (zh) * 2017-06-19 2020-06-26 西安理工大学 自适应选择高斯滤波参数的印刷图像去网方法

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4194221A (en) * 1978-12-26 1980-03-18 Xerox Corporation Automatic multimode continuous halftone line copy reproduction
US4288821A (en) * 1980-06-02 1981-09-08 Xerox Corporation Multi-resolution image signal processing apparatus and method
JPS60120482A (ja) * 1983-12-02 1985-06-27 Canon Inc 画像信号処理装置
JPS6110360A (ja) * 1984-06-26 1986-01-17 Canon Inc 画像処理装置
DE3545467A1 (de) * 1984-12-20 1986-07-10 Ricoh Co., Ltd., Tokio/Tokyo Digitalkopierer
US4742400A (en) * 1986-02-12 1988-05-03 Ricoh Corporation Digital image processing device for intermediate tone
JP2617469B2 (ja) * 1987-05-11 1997-06-04 株式会社リコー 画像領域識別装置
US4856075A (en) * 1987-10-05 1989-08-08 Eastman Kodak Company Image discrimination
US5001767A (en) * 1987-11-30 1991-03-19 Kabushiki Kaisha Toshiba Image processing device
JPH0683356B2 (ja) * 1988-01-19 1994-10-19 株式会社日立製作所 画像情報記録装置
US5014333A (en) * 1988-07-21 1991-05-07 Eastman Kodak Company Image processor with smooth transitioning between dither and diffusion processes
JPH0296473A (ja) * 1988-09-30 1990-04-09 Matsushita Graphic Commun Syst Inc 画信号処理装置
DE68923349T2 (de) * 1988-12-08 1995-12-14 Canon Kk Bildreduzierungsvorrichtung.

Also Published As

Publication number Publication date
JPH04354470A (ja) 1992-12-08
US5343283A (en) 1994-08-30
DE69209866T2 (de) 1996-10-02
DE69209866D1 (de) 1996-05-23
EP0500174B1 (de) 1996-04-17
EP0500174A1 (de) 1992-08-26

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