JP4979428B2 - 画像処理装置およびその制御方法 - Google Patents

画像処理装置およびその制御方法 Download PDF

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Publication number
JP4979428B2
JP4979428B2 JP2007077158A JP2007077158A JP4979428B2 JP 4979428 B2 JP4979428 B2 JP 4979428B2 JP 2007077158 A JP2007077158 A JP 2007077158A JP 2007077158 A JP2007077158 A JP 2007077158A JP 4979428 B2 JP4979428 B2 JP 4979428B2
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JP
Japan
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data
image
color
information
image data
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Expired - Fee Related
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JP2007077158A
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English (en)
Japanese (ja)
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JP2008236668A5 (enExample
JP2008236668A (ja
Inventor
玲司 三沢
修 飯沼
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Canon Inc
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Canon Inc
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Priority to JP2007077158A priority Critical patent/JP4979428B2/ja
Priority to US12/051,489 priority patent/US20080231903A1/en
Publication of JP2008236668A publication Critical patent/JP2008236668A/ja
Publication of JP2008236668A5 publication Critical patent/JP2008236668A5/ja
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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
    • H04N1/40—Picture signal circuits
    • H04N1/40012—Conversion of colour to monochrome

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Color Image Communication Systems (AREA)
  • Image Processing (AREA)
  • Facsimile Image Signal Circuits (AREA)
JP2007077158A 2007-03-23 2007-03-23 画像処理装置およびその制御方法 Expired - Fee Related JP4979428B2 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2007077158A JP4979428B2 (ja) 2007-03-23 2007-03-23 画像処理装置およびその制御方法
US12/051,489 US20080231903A1 (en) 2007-03-23 2008-03-19 Image processing apparatus and control method thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2007077158A JP4979428B2 (ja) 2007-03-23 2007-03-23 画像処理装置およびその制御方法

Publications (3)

Publication Number Publication Date
JP2008236668A JP2008236668A (ja) 2008-10-02
JP2008236668A5 JP2008236668A5 (enExample) 2010-05-06
JP4979428B2 true JP4979428B2 (ja) 2012-07-18

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JP2007077158A Expired - Fee Related JP4979428B2 (ja) 2007-03-23 2007-03-23 画像処理装置およびその制御方法

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US (1) US20080231903A1 (enExample)
JP (1) JP4979428B2 (enExample)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4865771B2 (ja) * 2008-08-27 2012-02-01 シャープ株式会社 画像処理装置、画像形成装置、画像処理方法、画像処理プログラム及びコンピュータ読み取り可能な記録媒体
JP5678584B2 (ja) * 2009-12-16 2015-03-04 株式会社リコー 画像処理装置、画像処理方法、およびプログラム
JP2023013472A (ja) * 2021-07-16 2023-01-26 セイコーエプソン株式会社 印刷装置

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5128748A (en) * 1989-02-15 1992-07-07 Hitachi, Ltd. Image processing system and apparatus for processing color documents
DE69030178T2 (de) * 1989-12-15 1997-08-14 Hitachi Ltd Vorrichtung und verfahren zum aufbewahren von bildern
JPH05145778A (ja) * 1991-11-15 1993-06-11 Ricoh Co Ltd カラー画像伝送方式
US5343311A (en) * 1992-04-14 1994-08-30 Electronics For Imaging, Inc. Indexed processing of color image data
JPH08214171A (ja) * 1995-02-01 1996-08-20 Canon Inc 画像通信装置及びその方法
US5680526A (en) * 1995-06-06 1997-10-21 Apple Computer, Inc. Method and system for selectively rendering image data in a bi-level or multi-level format
JPH09163169A (ja) * 1995-12-04 1997-06-20 Minolta Co Ltd ディジタルカラー複写機
US6518981B2 (en) * 1997-11-12 2003-02-11 Canon Kabushiki Kaisha Generating and using a color palette
JP2002019200A (ja) * 2000-07-10 2002-01-23 Fuji Xerox Co Ltd 画像形成装置
WO2002031806A1 (en) * 2000-10-13 2002-04-18 Bokhour, Edward Method of and system for low-bandwidth transmission of color video
JP4164225B2 (ja) * 2000-11-07 2008-10-15 理想科学工業株式会社 画像形成システム、画像形成装置、及び画像形成プログラム
JP2002314825A (ja) * 2001-04-09 2002-10-25 Sharp Corp 色彩調整装置、及び色彩調整方法
JP2003051951A (ja) * 2001-08-06 2003-02-21 Canon Inc 画像入出力装置及びその制御方法
JP4071701B2 (ja) * 2003-11-11 2008-04-02 富士通株式会社 カラー画像の圧縮方法及びカラー画像圧縮装置
EP1555804A3 (en) * 2004-01-19 2006-08-16 Ricoh Company, Ltd. Image processing apparatus, image processing program and storage medium
US7991238B2 (en) * 2004-04-30 2011-08-02 Neiversan Networks Co. Llc Adaptive compression of multi-level images
JP2005245025A (ja) * 2005-04-08 2005-09-08 Kyocera Mita Corp 画像処理装置

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JP2008236668A (ja) 2008-10-02
US20080231903A1 (en) 2008-09-25

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