JP5014224B2 - 画像読取装置および画像処理方法 - Google Patents

画像読取装置および画像処理方法 Download PDF

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Publication number
JP5014224B2
JP5014224B2 JP2008079217A JP2008079217A JP5014224B2 JP 5014224 B2 JP5014224 B2 JP 5014224B2 JP 2008079217 A JP2008079217 A JP 2008079217A JP 2008079217 A JP2008079217 A JP 2008079217A JP 5014224 B2 JP5014224 B2 JP 5014224B2
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Japan
Prior art keywords
image
streak
pixel
dust
correction
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Application number
JP2008079217A
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English (en)
Japanese (ja)
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JP2009239358A (ja
JP2009239358A5 (enExample
Inventor
真 有馬
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Canon Inc
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Canon Inc
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Filing date
Publication date
Application filed by Canon Inc filed Critical Canon Inc
Priority to JP2008079217A priority Critical patent/JP5014224B2/ja
Priority to US12/399,232 priority patent/US8203761B2/en
Priority to CN201110187578.9A priority patent/CN102256043B/zh
Priority to CN200910127904XA priority patent/CN101547286B/zh
Publication of JP2009239358A publication Critical patent/JP2009239358A/ja
Publication of JP2009239358A5 publication Critical patent/JP2009239358A5/ja
Application granted granted Critical
Publication of JP5014224B2 publication Critical patent/JP5014224B2/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
    • H04N1/409—Edge or detail enhancement; Noise or error suppression
    • H04N1/4097—Removing errors due external factors, e.g. dust, scratches
    • 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
    • H04N1/04—Scanning arrangements, i.e. arrangements for the displacement of active reading or reproducing elements relative to the original or reproducing medium, or vice versa
    • H04N1/12—Scanning arrangements, i.e. arrangements for the displacement of active reading or reproducing elements relative to the original or reproducing medium, or vice versa using the sheet-feed movement or the medium-advance or the drum-rotation movement as the slow scanning component, e.g. arrangements for the main-scanning
    • H04N1/121—Feeding arrangements
    • H04N1/1215—Feeding using one or more cylindrical platens or rollers in the immediate vicinity of the main scanning line
    • 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
    • H04N1/04—Scanning arrangements, i.e. arrangements for the displacement of active reading or reproducing elements relative to the original or reproducing medium, or vice versa
    • H04N1/19—Scanning arrangements, i.e. arrangements for the displacement of active reading or reproducing elements relative to the original or reproducing medium, or vice versa using multi-element arrays
    • H04N1/191—Scanning arrangements, i.e. arrangements for the displacement of active reading or reproducing elements relative to the original or reproducing medium, or vice versa using multi-element arrays the array comprising a one-dimensional array, or a combination of one-dimensional arrays, or a substantially one-dimensional array, e.g. an array of staggered elements
    • H04N1/192—Simultaneously or substantially simultaneously scanning picture elements on one main scanning line
    • H04N1/193—Simultaneously or substantially simultaneously scanning picture elements on one main scanning line using electrically scanned linear arrays, e.g. linear CCD arrays
    • 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
    • H04N2201/0077—Types of the still picture apparatus
    • H04N2201/0081—Image reader

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Facsimile Image Signal Circuits (AREA)
  • Facsimile Scanning Arrangements (AREA)
  • Image Input (AREA)
JP2008079217A 2008-03-25 2008-03-25 画像読取装置および画像処理方法 Active JP5014224B2 (ja)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP2008079217A JP5014224B2 (ja) 2008-03-25 2008-03-25 画像読取装置および画像処理方法
US12/399,232 US8203761B2 (en) 2008-03-25 2009-03-06 Image reading apparatus and control method with streak detection and correction using string count and continuity detection
CN201110187578.9A CN102256043B (zh) 2008-03-25 2009-03-25 图像读取装置
CN200910127904XA CN101547286B (zh) 2008-03-25 2009-03-25 图像读取装置及其控制方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2008079217A JP5014224B2 (ja) 2008-03-25 2008-03-25 画像読取装置および画像処理方法

Publications (3)

Publication Number Publication Date
JP2009239358A JP2009239358A (ja) 2009-10-15
JP2009239358A5 JP2009239358A5 (enExample) 2011-04-21
JP5014224B2 true JP5014224B2 (ja) 2012-08-29

Family

ID=41116762

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2008079217A Active JP5014224B2 (ja) 2008-03-25 2008-03-25 画像読取装置および画像処理方法

Country Status (3)

Country Link
US (1) US8203761B2 (enExample)
JP (1) JP5014224B2 (enExample)
CN (2) CN102256043B (enExample)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7920197B2 (en) * 2007-05-07 2011-04-05 Canon Kabushiki Kaisha Image pickup apparatus
JP5430453B2 (ja) * 2009-05-26 2014-02-26 キヤノン株式会社 画像読取装置
JP2012129743A (ja) * 2010-12-14 2012-07-05 Nec Access Technica Ltd 画像処理装置、画像処理方法および画像処理プログラム
JP2012244210A (ja) * 2011-05-16 2012-12-10 Ricoh Co Ltd 画像処理装置、方法、プログラムおよび記録媒体
JP5442701B2 (ja) * 2011-11-28 2014-03-12 シャープ株式会社 画像処理方法、画像処理装置およびそれを備えた画像形成装置、画像読取装置、プログラム並びに記録媒体
JP5771556B2 (ja) * 2012-04-23 2015-09-02 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
JP2014200062A (ja) * 2013-03-14 2014-10-23 株式会社リコー 画像読取装置及び縦スジ判定方法
JP5901560B2 (ja) * 2013-03-26 2016-04-13 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
JP5901559B2 (ja) * 2013-03-26 2016-04-13 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
KR102037445B1 (ko) * 2013-07-17 2019-10-28 휴렛-팩커드 디벨롭먼트 컴퍼니, 엘.피. 화상독취장치 및 그의 세로줄 보정 방법
JP6316135B2 (ja) * 2014-08-01 2018-04-25 キヤノン株式会社 画像処理装置、画像処理方法及びプログラム
WO2017070836A1 (en) * 2015-10-27 2017-05-04 Guangdong Virtual Reality Technology Co., Ltd. Apparatus, methods, and systems for tracking an optical object
JP6846232B2 (ja) * 2017-02-24 2021-03-24 株式会社Ｓｃｒｅｅｎホールディングス 印刷データ処理方法、印刷データ処理装置、および印刷データ処理プログラム
JP2018182442A (ja) 2017-04-07 2018-11-15 キヤノン株式会社 画像読取装置
JP7455607B2 (ja) 2020-02-19 2024-03-26 キヤノン株式会社 画像処理装置、サーバ装置、制御方法およびプログラム

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002262083A (ja) * 2001-03-06 2002-09-13 Ricoh Co Ltd 画像処理装置
JP2003348336A (ja) * 2002-05-24 2003-12-05 Canon Inc 画像処理方法及び装置
JP2005117090A (ja) * 2003-10-02 2005-04-28 Canon Inc 画像読取り装置
JP4165706B2 (ja) * 2004-01-26 2008-10-15 株式会社リコー 原稿読み取り装置および画像形成装置
JP4442272B2 (ja) * 2004-03-22 2010-03-31 富士ゼロックス株式会社 画像読み取り装置、基準部材の異物検知方法
US20060061830A1 (en) * 2004-09-21 2006-03-23 Kabushiki Kaisha Toshiba Image reading apparatus
JP2006173933A (ja) * 2004-12-14 2006-06-29 Canon Inc 画像読み取り装置およびその制御方法
US8149473B2 (en) * 2005-12-27 2012-04-03 Canon Kabushiki Kaisha Image reading apparatus
US7920197B2 (en) 2007-05-07 2011-04-05 Canon Kabushiki Kaisha Image pickup apparatus

Also Published As

Publication number Publication date
US20090244657A1 (en) 2009-10-01
JP2009239358A (ja) 2009-10-15
CN101547286B (zh) 2011-08-17
CN102256043B (zh) 2015-06-24
CN102256043A (zh) 2011-11-23
US8203761B2 (en) 2012-06-19
CN101547286A (zh) 2009-09-30

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