JP3667173B2 - 画像処理装置および画像処理方法 - Google Patents

画像処理装置および画像処理方法 Download PDF

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Publication number
JP3667173B2
JP3667173B2 JP27295099A JP27295099A JP3667173B2 JP 3667173 B2 JP3667173 B2 JP 3667173B2 JP 27295099 A JP27295099 A JP 27295099A JP 27295099 A JP27295099 A JP 27295099A JP 3667173 B2 JP3667173 B2 JP 3667173B2
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JP
Japan
Prior art keywords
gradation
pixels
pixel
gradient fill
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 - Fee Related
Application number
JP27295099A
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English (en)
Japanese (ja)
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JP2001101431A (ja
JP2001101431A5 (https=
Inventor
修司 小澤
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
Application filed by Canon Inc filed Critical Canon Inc
Priority to JP27295099A priority Critical patent/JP3667173B2/ja
Priority to US09/668,459 priority patent/US6985260B1/en
Publication of JP2001101431A publication Critical patent/JP2001101431A/ja
Priority to US11/150,215 priority patent/US20050237574A1/en
Publication of JP2001101431A5 publication Critical patent/JP2001101431A5/ja
Application granted granted Critical
Publication of JP3667173B2 publication Critical patent/JP3667173B2/ja
Anticipated expiration legal-status Critical
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
    • H04N1/40—Picture signal circuits
    • H04N1/407—Control or modification of tonal gradation or of extreme levels, e.g. background level

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Color, Gradation (AREA)
  • Image Generation (AREA)
JP27295099A 1999-09-27 1999-09-27 画像処理装置および画像処理方法 Expired - Fee Related JP3667173B2 (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP27295099A JP3667173B2 (ja) 1999-09-27 1999-09-27 画像処理装置および画像処理方法
US09/668,459 US6985260B1 (en) 1999-09-27 2000-09-25 Apparatus and method for drawing a gradient fill object
US11/150,215 US20050237574A1 (en) 1999-09-27 2005-06-13 Image processing apparatus and method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP27295099A JP3667173B2 (ja) 1999-09-27 1999-09-27 画像処理装置および画像処理方法

Publications (3)

Publication Number Publication Date
JP2001101431A JP2001101431A (ja) 2001-04-13
JP2001101431A5 JP2001101431A5 (https=) 2005-06-23
JP3667173B2 true JP3667173B2 (ja) 2005-07-06

Family

ID=17521048

Family Applications (1)

Application Number Title Priority Date Filing Date
JP27295099A Expired - Fee Related JP3667173B2 (ja) 1999-09-27 1999-09-27 画像処理装置および画像処理方法

Country Status (2)

Country Link
US (2) US6985260B1 (https=)
JP (1) JP3667173B2 (https=)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7900144B1 (en) * 2000-03-23 2011-03-01 Eastman Kodak Company Modification of color values in page description files
JP3964219B2 (ja) * 2002-01-29 2007-08-22 シャープ株式会社 画像処理装置、画像処理方法、画像処理プログラム、記録媒体
AUPS300502A0 (en) * 2002-06-17 2002-07-11 Canon Kabushiki Kaisha Generating one or more linear blends
JP4133369B2 (ja) 2003-01-27 2008-08-13 株式会社リコー 画像処理装置、方法及びプログラム
JP2006157450A (ja) * 2004-11-29 2006-06-15 Sony Corp 撮像装置及び画像処理方法
JP2007081886A (ja) * 2005-09-14 2007-03-29 Ricoh Co Ltd 描画処理装置
JP4510847B2 (ja) 2007-05-09 2010-07-28 京セラミタ株式会社 画像処理装置及び画像処理プログラム
JP4939367B2 (ja) * 2007-10-23 2012-05-23 キヤノン株式会社 画像形成システム及び画像形成方法
JP4572947B2 (ja) * 2008-03-31 2010-11-04 ブラザー工業株式会社 画像生成装置および印刷装置
JP4518172B2 (ja) * 2008-03-31 2010-08-04 ブラザー工業株式会社 画像生成装置および印刷装置
JP5171461B2 (ja) 2008-07-31 2013-03-27 キヤノン株式会社 情報処理装置および情報処理方法並びに情報処理システム及びプログラム
JP5097685B2 (ja) * 2008-11-28 2012-12-12 京セラドキュメントソリューションズ株式会社 画像処理装置および画像処理プログラム
JP5325744B2 (ja) * 2009-10-30 2013-10-23 京セラドキュメントソリューションズ株式会社 画像処理装置および画像処理プログラム

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01111276A (ja) * 1987-10-23 1989-04-27 Nippon Sheet Glass Co Ltd ドットパターンの自動作図装置
US5093869A (en) 1990-12-26 1992-03-03 Hughes Aircraft Company Pattern recognition apparatus utilizing area linking and region growth techniques
US5343558A (en) * 1991-02-19 1994-08-30 Silicon Graphics, Inc. Method for scan converting shaded triangular polygons
JPH09259258A (ja) 1996-03-26 1997-10-03 Sanyo Electric Co Ltd グラデーション画像表示装置および背景画像表示システム
JPH09272252A (ja) 1996-04-04 1997-10-21 Riso Kagaku Corp 画像形成装置及び方法
US5926185A (en) * 1996-05-03 1999-07-20 Barco Graphics N.V. Method for processing a set of page description language commands to reduce complexity
US6201550B1 (en) 1997-06-30 2001-03-13 Fuji Xerox Co., Ltd. Image forming apparatus and method of generating gradation pattern
JPH1125282A (ja) 1997-06-30 1999-01-29 Fuji Xerox Co Ltd 画像形成装置およびグラデーションパターン生成方法

Also Published As

Publication number Publication date
US6985260B1 (en) 2006-01-10
US20050237574A1 (en) 2005-10-27
JP2001101431A (ja) 2001-04-13

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