JP4089862B2 - 画像形成装置、画像形成方法および記録媒体 - Google Patents

画像形成装置、画像形成方法および記録媒体 Download PDF

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Publication number
JP4089862B2
JP4089862B2 JP2001077282A JP2001077282A JP4089862B2 JP 4089862 B2 JP4089862 B2 JP 4089862B2 JP 2001077282 A JP2001077282 A JP 2001077282A JP 2001077282 A JP2001077282 A JP 2001077282A JP 4089862 B2 JP4089862 B2 JP 4089862B2
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Japan
Prior art keywords
image
size
image data
spatial frequency
halftone processing
Prior art date
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Expired - Fee Related
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JP2001077282A
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English (en)
Japanese (ja)
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JP2002281306A (ja
JP2002281306A5 (enExample
Inventor
正人 青柳
浩 高橋
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Ricoh Co Ltd
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Ricoh Co Ltd
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Publication date
Application filed by Ricoh Co Ltd filed Critical Ricoh Co Ltd
Priority to JP2001077282A priority Critical patent/JP4089862B2/ja
Priority to US10/095,473 priority patent/US7315402B2/en
Publication of JP2002281306A publication Critical patent/JP2002281306A/ja
Publication of JP2002281306A5 publication Critical patent/JP2002281306A5/ja
Application granted granted Critical
Publication of JP4089862B2 publication Critical patent/JP4089862B2/ja
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Expired - Fee Related legal-status Critical Current

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    • 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
    • H04N1/23—Reproducing arrangements
    • H04N1/2307—Circuits or arrangements for the control thereof, e.g. using a programmed control device, according to a measured quantity
    • H04N1/2315—Circuits or arrangements for the control thereof, e.g. using a programmed control device, according to a measured quantity according to characteristics of the reproducing apparatus, e.g. capability
    • 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
    • H04N1/23—Reproducing arrangements
    • H04N1/2307—Circuits or arrangements for the control thereof, e.g. using a programmed control device, according to a measured quantity
    • 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
    • H04N1/23—Reproducing arrangements
    • H04N1/2307—Circuits or arrangements for the control thereof, e.g. using a programmed control device, according to a measured quantity
    • H04N1/2323—Circuits or arrangements for the control thereof, e.g. using a programmed control device, according to a measured quantity according to characteristics of the reproducing medium, e.g. type, size or availability
    • 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
    • H04N1/23—Reproducing arrangements
    • H04N1/2307—Circuits or arrangements for the control thereof, e.g. using a programmed control device, according to a measured quantity
    • H04N1/2369—Selecting a particular reproducing mode from amongst a plurality of modes, e.g. paper saving or normal, or simplex or duplex
    • 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
    • H04N1/387—Composing, repositioning or otherwise geometrically modifying originals
    • H04N1/393—Enlarging or reducing
    • H04N1/3935—Enlarging or reducing with modification of image resolution, i.e. determining the values of picture elements at new relative positions
    • 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
    • H04N1/405—Halftoning, i.e. converting the picture signal of a continuous-tone original into a corresponding signal showing only two levels
    • H04N1/4055—Halftoning, i.e. converting the picture signal of a continuous-tone original into a corresponding signal showing only two levels producing a clustered dots or a size modulated halftone pattern

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Facsimile Image Signal Circuits (AREA)
  • Image Processing (AREA)
  • Record Information Processing For Printing (AREA)
  • Color, Gradation (AREA)
JP2001077282A 2001-03-16 2001-03-16 画像形成装置、画像形成方法および記録媒体 Expired - Fee Related JP4089862B2 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2001077282A JP4089862B2 (ja) 2001-03-16 2001-03-16 画像形成装置、画像形成方法および記録媒体
US10/095,473 US7315402B2 (en) 2001-03-16 2002-03-13 Image forming apparatus and method for selecting an optimal image space frequency for an output image

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2001077282A JP4089862B2 (ja) 2001-03-16 2001-03-16 画像形成装置、画像形成方法および記録媒体

Publications (3)

Publication Number Publication Date
JP2002281306A JP2002281306A (ja) 2002-09-27
JP2002281306A5 JP2002281306A5 (enExample) 2005-09-29
JP4089862B2 true JP4089862B2 (ja) 2008-05-28

Family

ID=18934063

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2001077282A Expired - Fee Related JP4089862B2 (ja) 2001-03-16 2001-03-16 画像形成装置、画像形成方法および記録媒体

Country Status (2)

Country Link
US (1) US7315402B2 (enExample)
JP (1) JP4089862B2 (enExample)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4014083B2 (ja) 2002-03-06 2007-11-28 株式会社リコー 画像形成装置
JP2005027109A (ja) * 2003-07-03 2005-01-27 Ricoh Co Ltd カラー画像形成装置およびカラー画像形成方法
JP4801489B2 (ja) * 2006-04-20 2011-10-26 株式会社リコー 画像形成装置及び画像形成プログラム
JP4506847B2 (ja) * 2008-02-08 2010-07-21 ソニー株式会社 階調変調装置、画像処理装置、画像処理方法およびプログラム
JP5241429B2 (ja) * 2008-10-24 2013-07-17 キヤノン株式会社 画像形成装置およびその制御方法
JP5254739B2 (ja) * 2008-10-24 2013-08-07 キヤノン株式会社 画像形成装置およびその制御方法
JP5685944B2 (ja) * 2011-01-12 2015-03-18 株式会社リコー 画像処理装置および画像形成装置
JP7263892B2 (ja) * 2019-04-04 2023-04-25 コニカミノルタ株式会社 画像形成装置、印刷設定変更方法および印刷設定変更プログラム
JP2021000763A (ja) 2019-06-21 2021-01-07 株式会社リコー ヘッド駆動装置、液体吐出装置及びヘッド駆動方法

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59111471A (ja) * 1982-12-17 1984-06-27 Ricoh Co Ltd 画像処理方法
US5321523A (en) * 1988-03-11 1994-06-14 Canon Kabushiki Kaisha Image processing apparatus
JP2899304B2 (ja) 1989-03-20 1999-06-02 富士通株式会社 ディザ画像拡大縮小処理装置
JP2832052B2 (ja) 1989-12-28 1998-12-02 キヤノン株式会社 画像処理装置
US5471543A (en) * 1990-06-25 1995-11-28 Eastman Kodak Company Mixed screen frequencies with image segmentation
JPH0777418A (ja) 1993-06-15 1995-03-20 Takasago Ind Co Ltd 焼成済みタイルまたはタイル素地の識別方法
JPH09114443A (ja) * 1995-10-20 1997-05-02 Seiko Epson Corp 映像スケーリング装置
US6002804A (en) * 1998-03-26 1999-12-14 Hewlett-Packard Company Tone dependent variable halftoning with adjustable algorithm selection
US6055065A (en) * 1998-08-12 2000-04-25 International Business Machines Corporation Printer independent halftone image rendering
JP2000076472A (ja) 1998-08-31 2000-03-14 Fuji Photo Film Co Ltd プログラム記憶媒体

Also Published As

Publication number Publication date
US20020131061A1 (en) 2002-09-19
JP2002281306A (ja) 2002-09-27
US7315402B2 (en) 2008-01-01

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