JP4892447B2 - 画像読取装置及び画像読取方法 - Google Patents

画像読取装置及び画像読取方法 Download PDF

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Publication number
JP4892447B2
JP4892447B2 JP2007258886A JP2007258886A JP4892447B2 JP 4892447 B2 JP4892447 B2 JP 4892447B2 JP 2007258886 A JP2007258886 A JP 2007258886A JP 2007258886 A JP2007258886 A JP 2007258886A JP 4892447 B2 JP4892447 B2 JP 4892447B2
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Japanese (ja)
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JP2009089248A5 (enExample
JP2009089248A (ja
Inventor
明年 菊池
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Canon Inc
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Canon Inc
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Application filed by Canon Inc filed Critical Canon Inc
Priority to JP2007258886A priority Critical patent/JP4892447B2/ja
Priority to CN2008101488604A priority patent/CN101404712B/zh
Priority to US12/242,178 priority patent/US8130421B2/en
Publication of JP2009089248A publication Critical patent/JP2009089248A/ja
Publication of JP2009089248A5 publication Critical patent/JP2009089248A5/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
    • H04N1/401—Compensating positionally unequal response of the pick-up or reproducing head
    • 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
    • H04N1/00002—Diagnosis, testing or measuring; Detecting, analysing or monitoring not otherwise provided for
    • 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
    • H04N1/00002—Diagnosis, testing or measuring; Detecting, analysing or monitoring not otherwise provided for
    • H04N1/00007—Diagnosis, testing or measuring; Detecting, analysing or monitoring not otherwise provided for relating to particular apparatus or devices
    • H04N1/00013—Reading apparatus
    • 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
    • H04N1/00002—Diagnosis, testing or measuring; Detecting, analysing or monitoring not otherwise provided for
    • H04N1/00007—Diagnosis, testing or measuring; Detecting, analysing or monitoring not otherwise provided for relating to particular apparatus or devices
    • H04N1/00023—Colour systems
    • 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
    • H04N1/00002—Diagnosis, testing or measuring; Detecting, analysing or monitoring not otherwise provided for
    • H04N1/00026—Methods therefor
    • H04N1/00031—Testing, i.e. determining the result of a trial
    • 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
    • H04N1/00002—Diagnosis, testing or measuring; Detecting, analysing or monitoring not otherwise provided for
    • H04N1/00026—Methods therefor
    • H04N1/00045—Methods therefor using a reference pattern designed for the purpose, e.g. a test chart
    • 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
    • H04N1/00002—Diagnosis, testing or measuring; Detecting, analysing or monitoring not otherwise provided for
    • H04N1/00026—Methods therefor
    • H04N1/0005—Methods therefor in service, i.e. during normal operation
    • 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
    • H04N1/00002—Diagnosis, testing or measuring; Detecting, analysing or monitoring not otherwise provided for
    • H04N1/00026—Methods therefor
    • H04N1/00055—Methods therefor automatically on a periodic basis
    • 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
    • H04N1/00002—Diagnosis, testing or measuring; Detecting, analysing or monitoring not otherwise provided for
    • H04N1/00026—Methods therefor
    • H04N1/00063—Methods therefor using at least a part of the apparatus itself, e.g. self-testing
    • 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
    • H04N1/00002—Diagnosis, testing or measuring; Detecting, analysing or monitoring not otherwise provided for
    • H04N1/00071—Diagnosis, testing or measuring; Detecting, analysing or monitoring not otherwise provided for characterised by the action taken
    • H04N1/00082—Adjusting or controlling
    • H04N1/00087—Setting or calibrating
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N2201/00—Indexing scheme relating to scanning, transmission or reproduction of documents or the like, and to details thereof
    • H04N2201/04—Scanning arrangements
    • H04N2201/0402—Arrangements not specific to a particular one of the scanning methods covered by groups H04N1/04 - H04N1/207
    • H04N2201/044—Moving a scanning element into cooperation with a calibration element, e.g. a grey-wedge mounted on the document support, or vice versa

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Biomedical Technology (AREA)
  • General Health & Medical Sciences (AREA)
  • Facsimile Scanning Arrangements (AREA)
  • Image Input (AREA)
JP2007258886A 2007-10-02 2007-10-02 画像読取装置及び画像読取方法 Active JP4892447B2 (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP2007258886A JP4892447B2 (ja) 2007-10-02 2007-10-02 画像読取装置及び画像読取方法
CN2008101488604A CN101404712B (zh) 2007-10-02 2008-09-27 图像读取设备和方法
US12/242,178 US8130421B2 (en) 2007-10-02 2008-09-30 Image reading apparatus and method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2007258886A JP4892447B2 (ja) 2007-10-02 2007-10-02 画像読取装置及び画像読取方法

Publications (3)

Publication Number Publication Date
JP2009089248A JP2009089248A (ja) 2009-04-23
JP2009089248A5 JP2009089248A5 (enExample) 2010-11-18
JP4892447B2 true JP4892447B2 (ja) 2012-03-07

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
JP2007258886A Active JP4892447B2 (ja) 2007-10-02 2007-10-02 画像読取装置及び画像読取方法

Country Status (3)

Country Link
US (1) US8130421B2 (enExample)
JP (1) JP4892447B2 (enExample)
CN (1) CN101404712B (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10070015B2 (en) 2016-06-07 2018-09-04 Canon Kabushiki Kaisha Image reading apparatus, image reading method and storage medium for shading correction accounting for dark current influence

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2010161719A (ja) * 2009-01-09 2010-07-22 Nec Engineering Ltd 画像読取装置
JP5927849B2 (ja) * 2011-11-09 2016-06-01 富士ゼロックス株式会社 撮像装置、情報処理装置およびプログラム
JP2014060631A (ja) * 2012-09-18 2014-04-03 Ricoh Co Ltd 画像読取装置、画像形成装置及び黒レベル補正方法
CN104980605B (zh) * 2014-04-11 2018-07-03 山东新北洋信息技术股份有限公司 图像读取设备和用于图像读取设备的相位差校正方法
JP6156653B2 (ja) * 2014-10-06 2017-07-05 コニカミノルタ株式会社 画像変形装置
JP7009155B2 (ja) 2017-10-16 2022-01-25 キヤノン株式会社 画像読取装置、画像読取装置の制御方法、イメージセンサ、およびプログラム
JP7034695B2 (ja) * 2017-12-14 2022-03-14 キヤノン電子株式会社 画像読取装置、画像読取装置の制御方法及びプログラム
CN110545388B (zh) * 2019-08-28 2022-04-01 上海集成电路研发中心有限公司 一种去除图像暗电流的装置和方法
CN112248650B (zh) * 2020-10-21 2021-12-28 北京方正印捷数码技术有限公司 喷墨打印方法和设备

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000004333A (ja) * 1991-06-14 2000-01-07 Matsushita Electric Ind Co Ltd 画像読取り装置
JP3111676B2 (ja) * 1992-07-23 2000-11-27 村田機械株式会社 ハンドスキャナ
JP3074967B2 (ja) * 1992-10-27 2000-08-07 松下電器産業株式会社 高ダイナミックレンジ撮像・合成方法及び高ダイナミックレンジ撮像装置
JPH08237480A (ja) * 1995-02-28 1996-09-13 Pioneer Electron Corp イメージスキャナの黒レベル補正装置
US6055066A (en) * 1995-02-28 2000-04-25 Pioneer Electronic Corporation System for correcting image data in an image scanner
JPH1169162A (ja) * 1997-08-20 1999-03-09 Ricoh Co Ltd 画像読取装置
JPH11252335A (ja) * 1998-03-05 1999-09-17 Nikon Corp 画像読取装置及び画像読取装置に対する制御手順を記憶する記憶媒体
JP2001197272A (ja) * 2000-01-14 2001-07-19 Canon Inc 画像読取装置、画像形成装置、画像読取方法、及びコンピュータ読み取り可能な記憶媒体
JP2001309313A (ja) * 2000-04-26 2001-11-02 Hitachi Ltd ビデオ信号処理装置
JP2002077545A (ja) * 2000-08-30 2002-03-15 Seiko Epson Corp 過剰露光時の黒基準データ設定方法および画像読み取り装置
US7224484B1 (en) * 2000-10-04 2007-05-29 Reeves Gerald J Scanner calibration with dead pixel compensation
JP2004056588A (ja) 2002-07-22 2004-02-19 Ricoh Co Ltd スキャナシェーディング補正装置
JP4716843B2 (ja) * 2005-10-17 2011-07-06 シャープ株式会社 画像形成装置

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10070015B2 (en) 2016-06-07 2018-09-04 Canon Kabushiki Kaisha Image reading apparatus, image reading method and storage medium for shading correction accounting for dark current influence

Also Published As

Publication number Publication date
US20090086247A1 (en) 2009-04-02
JP2009089248A (ja) 2009-04-23
CN101404712A (zh) 2009-04-08
CN101404712B (zh) 2012-08-22
US8130421B2 (en) 2012-03-06

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