JP4061787B2 - 画像読取装置の黒画素検索方法 - Google Patents

画像読取装置の黒画素検索方法 Download PDF

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Publication number
JP4061787B2
JP4061787B2 JP29049999A JP29049999A JP4061787B2 JP 4061787 B2 JP4061787 B2 JP 4061787B2 JP 29049999 A JP29049999 A JP 29049999A JP 29049999 A JP29049999 A JP 29049999A JP 4061787 B2 JP4061787 B2 JP 4061787B2
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Japan
Prior art keywords
document
blank
unit
detection
threshold value
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Expired - Fee Related
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JP29049999A
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English (en)
Japanese (ja)
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JP2001143050A (ja
Inventor
洋生 荻原
政治 横野
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Ricoh Co Ltd
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Ricoh Co Ltd
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Publication date
Application filed by Ricoh Co Ltd filed Critical Ricoh Co Ltd
Priority to JP29049999A priority Critical patent/JP4061787B2/ja
Priority to DE19961750A priority patent/DE19961750B4/de
Priority to CNB991264614A priority patent/CN100388750C/zh
Priority to KR1019990060842A priority patent/KR100304018B1/ko
Publication of JP2001143050A publication Critical patent/JP2001143050A/ja
Application granted granted Critical
Publication of JP4061787B2 publication Critical patent/JP4061787B2/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
    • H04N1/00795—Reading arrangements
    • H04N1/00798—Circuits or arrangements for the control thereof, e.g. using a programmed control device or according to a measured quantity
    • H04N1/00801—Circuits or arrangements for the control thereof, e.g. using a programmed control device or according to a measured quantity according to characteristics of the original
    • H04N1/00803—Presence or absence of information
    • 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
    • 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
    • H04N1/00795—Reading arrangements

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Facsimiles In General (AREA)
  • Facsimile Scanning Arrangements (AREA)
  • Control Or Security For Electrophotography (AREA)
  • Image Input (AREA)
JP29049999A 1998-12-24 1999-10-13 画像読取装置の黒画素検索方法 Expired - Fee Related JP4061787B2 (ja)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP29049999A JP4061787B2 (ja) 1998-12-24 1999-10-13 画像読取装置の黒画素検索方法
DE19961750A DE19961750B4 (de) 1998-12-24 1999-12-21 Verfahren und Apparat zum Bildlesen, das bzw. der zum korrekten Detektieren eines leeren Blattes in der Lage ist
CNB991264614A CN100388750C (zh) 1998-12-24 1999-12-22 图像读取装置、黑像素检索方法及白纸原稿检测方法
KR1019990060842A KR100304018B1 (ko) 1998-12-24 1999-12-23 화상판독장치와 흑화소 검색방법 및 백지원고검출방법

Applications Claiming Priority (7)

Application Number Priority Date Filing Date Title
JP36824098 1998-12-24
JP10-368240 1998-12-24
JP36823998 1998-12-24
JP10-368239 1998-12-24
JP11-246962 1999-09-01
JP24696299 1999-09-01
JP29049999A JP4061787B2 (ja) 1998-12-24 1999-10-13 画像読取装置の黒画素検索方法

Related Child Applications (1)

Application Number Title Priority Date Filing Date
JP2007293027A Division JP2008072753A (ja) 1998-12-24 2007-11-12 画像読取装置とその黒画素検索方法および白紙原稿検出方法

Publications (2)

Publication Number Publication Date
JP2001143050A JP2001143050A (ja) 2001-05-25
JP4061787B2 true JP4061787B2 (ja) 2008-03-19

Family

ID=27478056

Family Applications (1)

Application Number Title Priority Date Filing Date
JP29049999A Expired - Fee Related JP4061787B2 (ja) 1998-12-24 1999-10-13 画像読取装置の黒画素検索方法

Country Status (4)

Country Link
JP (1) JP4061787B2 (ko)
KR (1) KR100304018B1 (ko)
CN (1) CN100388750C (ko)
DE (1) DE19961750B4 (ko)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1321826C (zh) * 2002-03-27 2007-06-20 尼司卡股份有限公司 纸张输送装置及成像装置
CN100465625C (zh) * 2005-10-21 2009-03-04 京元电子股份有限公司 晶片影像检视方法及系统
JP4622932B2 (ja) 2006-05-11 2011-02-02 村田機械株式会社 画像処理方法、画像処理装置、コンピュータプログラム及び記録媒体
JP2008022276A (ja) * 2006-07-12 2008-01-31 Ricoh Co Ltd 画像形成装置
JP5089311B2 (ja) 2007-09-26 2012-12-05 株式会社リコー 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、及び記録媒体
JP4956350B2 (ja) 2007-09-28 2012-06-20 京セラドキュメントソリュ−ションズ株式会社 画像読取装置及び画像形成装置
JP4495201B2 (ja) * 2007-10-10 2010-06-30 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および画像処理プログラムを記録する記録媒体
JP5333400B2 (ja) 2010-09-30 2013-11-06 ブラザー工業株式会社 画像読取装置
JP5804720B2 (ja) * 2011-02-10 2015-11-04 キヤノン株式会社 画像処理装置及び画像処理方法、プログラム。
JP5666521B2 (ja) * 2012-07-31 2015-02-12 京セラドキュメントソリューションズ株式会社 画像処理装置及び画像処理方法
JP6060734B2 (ja) 2013-02-28 2017-01-18 ブラザー工業株式会社 画像処理装置、画像処理方法および画像処理プログラム
CN103522749A (zh) * 2013-09-23 2014-01-22 余姚市骋骐电子开发有限公司 具备自动页面选择功能的打印设备
CN103522775A (zh) * 2013-09-29 2014-01-22 余姚市骋骐电子开发有限公司 具备打印页面选择功能的打印设备
JP6311599B2 (ja) * 2014-12-27 2018-04-18 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
WO2017054171A1 (en) * 2015-09-30 2017-04-06 Hewlett-Packard Development Company, L.P. Imaging devices

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5138674A (en) * 1987-11-07 1992-08-11 Minolta Camera Kabushiki Kaisha Image reader capable of detecting blank documents
JPH01123567A (ja) * 1987-11-07 1989-05-16 Minolta Camera Co Ltd 画像読取装置
JPH0548835A (ja) * 1991-08-15 1993-02-26 Matsushita Electric Ind Co Ltd 画像読み取り装置
JPH05300313A (ja) * 1992-04-20 1993-11-12 Konica Corp ファクシミリ装置
JP3207003B2 (ja) * 1993-01-20 2001-09-10 キヤノン株式会社 画像通信装置
JPH06261168A (ja) * 1993-03-03 1994-09-16 Canon Inc ファクシミリ装置
JPH07281562A (ja) * 1994-04-07 1995-10-27 Ricoh Co Ltd 画像形成装置
JPH08307574A (ja) * 1995-04-28 1996-11-22 Ricoh Co Ltd 画像形成装置
JPH10229484A (ja) * 1997-02-12 1998-08-25 Oki Data:Kk 画像読取装置

Also Published As

Publication number Publication date
KR20000048354A (ko) 2000-07-25
KR100304018B1 (ko) 2001-11-03
JP2001143050A (ja) 2001-05-25
DE19961750B4 (de) 2005-08-25
CN1261754A (zh) 2000-08-02
DE19961750A1 (de) 2000-06-29
CN100388750C (zh) 2008-05-14

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