JP3720755B2 - 画像読み取り装置、画像読み取りシステム、画像読み取り方法、及びそのプログラム - Google Patents

画像読み取り装置、画像読み取りシステム、画像読み取り方法、及びそのプログラム Download PDF

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Publication number
JP3720755B2
JP3720755B2 JP2001361056A JP2001361056A JP3720755B2 JP 3720755 B2 JP3720755 B2 JP 3720755B2 JP 2001361056 A JP2001361056 A JP 2001361056A JP 2001361056 A JP2001361056 A JP 2001361056A JP 3720755 B2 JP3720755 B2 JP 3720755B2
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signal
unit
image reading
difference
image
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JP2001361056A
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Japanese (ja)
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JP2003163796A5 (enExample
JP2003163796A (ja
Inventor
憲司 広松
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Canon Inc
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Canon Inc
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Priority to JP2001361056A priority Critical patent/JP3720755B2/ja
Priority to US10/285,468 priority patent/US7236265B2/en
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Publication of JP2003163796A5 publication Critical patent/JP2003163796A5/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
    • H04N1/407—Control or modification of tonal gradation or of extreme levels, e.g. background level
    • H04N1/4076—Control or modification of tonal gradation or of extreme levels, e.g. background level dependent on references outside the picture

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Facsimile Scanning Arrangements (AREA)
  • Facsimile Image Signal Circuits (AREA)
JP2001361056A 2001-11-27 2001-11-27 画像読み取り装置、画像読み取りシステム、画像読み取り方法、及びそのプログラム Expired - Fee Related JP3720755B2 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2001361056A JP3720755B2 (ja) 2001-11-27 2001-11-27 画像読み取り装置、画像読み取りシステム、画像読み取り方法、及びそのプログラム
US10/285,468 US7236265B2 (en) 2001-11-27 2002-11-01 Image reading apparatus, image forming system, image reading method, and program therefor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2001361056A JP3720755B2 (ja) 2001-11-27 2001-11-27 画像読み取り装置、画像読み取りシステム、画像読み取り方法、及びそのプログラム

Publications (3)

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JP2003163796A JP2003163796A (ja) 2003-06-06
JP2003163796A5 JP2003163796A5 (enExample) 2005-02-03
JP3720755B2 true JP3720755B2 (ja) 2005-11-30

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JP2001361056A Expired - Fee Related JP3720755B2 (ja) 2001-11-27 2001-11-27 画像読み取り装置、画像読み取りシステム、画像読み取り方法、及びそのプログラム

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US (1) US7236265B2 (enExample)
JP (1) JP3720755B2 (enExample)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7450279B2 (en) * 2003-02-19 2008-11-11 Canon Kabushiki Kaisha Image reading apparatus
TWI255428B (en) * 2003-12-29 2006-05-21 Pixart Imaging Inc Method of processing digital images
US20060001922A1 (en) * 2004-06-30 2006-01-05 Gawlik Noah J Method and system for multiple pass bidirectional scanning
KR101428482B1 (ko) 2007-09-18 2014-08-11 삼성전자 주식회사 화상형성장치 및 그 제어방법
JP5172267B2 (ja) 2007-10-09 2013-03-27 富士フイルム株式会社 撮像装置
JP5262744B2 (ja) * 2009-01-20 2013-08-14 富士ゼロックス株式会社 画像読取装置、黒補正実行判定プログラム
JP5495701B2 (ja) * 2009-10-07 2014-05-21 キヤノン株式会社 固体撮像装置
JP5220089B2 (ja) * 2010-12-17 2013-06-26 キヤノン株式会社 原稿読取装置
EP3007422B1 (en) * 2013-06-05 2018-07-25 Kyocera Document Solutions Inc. Document reading device and image forming device provided with same
JP6225682B2 (ja) 2013-12-11 2017-11-08 株式会社リコー 撮像素子、画像読取装置及び画像形成装置
JP6344278B2 (ja) * 2015-03-25 2018-06-20 京セラドキュメントソリューションズ株式会社 画像読取装置、画像形成装置
JP6380197B2 (ja) * 2015-03-30 2018-08-29 ブラザー工業株式会社 画像読取装置
JP6822009B2 (ja) * 2016-08-29 2021-01-27 セイコーエプソン株式会社 スキャナーおよび画像データの生成方法
JP6822010B2 (ja) * 2016-08-29 2021-01-27 セイコーエプソン株式会社 スキャナーおよび画像データの生成方法
JP6593310B2 (ja) * 2016-11-25 2019-10-23 京セラドキュメントソリューションズ株式会社 画像読取装置及び画像形成装置
JP6551487B2 (ja) * 2017-10-10 2019-07-31 株式会社リコー 撮像素子、画像読取装置及び画像形成装置
CN115866146A (zh) * 2021-09-24 2023-03-28 东芝泰格有限公司 用于在多功能打印机中执行扫描跳过操作的方法和系统

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JPS59201586A (ja) * 1983-04-28 1984-11-15 Canon Inc 撮像装置
US5121230A (en) * 1987-01-19 1992-06-09 Canon Kabushiki Kaisha Image reading apparatus having adjusting circuits for matching the level of and compensating for fluctuation among a plurality of sensing elements
EP0303474B1 (en) * 1987-08-11 1996-01-03 Canon Kabushiki Kaisha Color image processing apparatus
US5070414A (en) * 1988-09-20 1991-12-03 Kabushiki Kaisha Toshiba Method and apparatus for reading image information formed on material
JP2864514B2 (ja) 1989-02-25 1999-03-03 ミノルタ株式会社 画像読み取り装置
JPH02254855A (ja) 1989-03-29 1990-10-15 Canon Inc 画像読取装置および画像読取方法
JP3219403B2 (ja) * 1989-05-10 2001-10-15 キヤノン株式会社 画像記憶装置
JP3080466B2 (ja) 1992-02-20 2000-08-28 株式会社ピーエフユー 画像入力装置
JPH0646255A (ja) * 1992-07-23 1994-02-18 Fuji Xerox Co Ltd 画像処理装置
JP3554019B2 (ja) * 1994-05-31 2004-08-11 キヤノン株式会社 画像処理装置及び方法
US6721009B1 (en) * 1994-11-12 2004-04-13 Sony Corporation Method of driving solid state imaging device
US6118895A (en) * 1995-03-07 2000-09-12 Minolta Co., Ltd. Image forming apparatus for distinguishing between types of color and monochromatic documents
JP4030605B2 (ja) * 1995-11-10 2008-01-09 オリンパス株式会社 電子的撮像装置
JPH09163077A (ja) 1995-12-07 1997-06-20 Canon Inc スキャナ装置
JPH09298647A (ja) * 1996-05-01 1997-11-18 Fuji Photo Film Co Ltd リニアイメージセンサのオフセットレベル補正方法およびその装置
US6337713B1 (en) * 1997-04-04 2002-01-08 Asahi Kogaku Kogyo Kabushiki Kaisha Processor for image-pixel signals derived from divided sections of image-sensing area of solid-type image sensor
JP2942230B2 (ja) * 1998-01-12 1999-08-30 キヤノン株式会社 画像形成装置及び発光装置
JP2000156822A (ja) * 1998-11-19 2000-06-06 Sony Corp クランプ回路
US6791615B1 (en) * 1999-03-01 2004-09-14 Canon Kabushiki Kaisha Image pickup apparatus
JP2001223895A (ja) 2000-02-09 2001-08-17 Ricoh Co Ltd 画像読取装置
US7050098B2 (en) * 2001-03-29 2006-05-23 Canon Kabushiki Kaisha Signal processing apparatus and method, and image sensing apparatus having a plurality of image sensing regions per image frame

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Publication number Publication date
JP2003163796A (ja) 2003-06-06
US20030099000A1 (en) 2003-05-29
US7236265B2 (en) 2007-06-26

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