DE69926205D1 - Entfernung parasitärer Signale für schräglagenkorrigierte Bilder - Google Patents

Entfernung parasitärer Signale für schräglagenkorrigierte Bilder

Info

Publication number
DE69926205D1
DE69926205D1 DE69926205T DE69926205T DE69926205D1 DE 69926205 D1 DE69926205 D1 DE 69926205D1 DE 69926205 T DE69926205 T DE 69926205T DE 69926205 T DE69926205 T DE 69926205T DE 69926205 D1 DE69926205 D1 DE 69926205D1
Authority
DE
Germany
Prior art keywords
skew
removal
corrected images
parasitic signals
parasitic
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 - Lifetime
Application number
DE69926205T
Other languages
English (en)
Other versions
DE69926205T2 (de
Inventor
Yongchun Lee
Peter Rudak
Daniel T Jaramillo
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.)
Eastman Kodak Co
Original Assignee
Eastman Kodak Co
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 Eastman Kodak Co filed Critical Eastman Kodak Co
Publication of DE69926205D1 publication Critical patent/DE69926205D1/de
Application granted granted Critical
Publication of DE69926205T2 publication Critical patent/DE69926205T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Facsimile Image Signal Circuits (AREA)
  • Image Processing (AREA)
  • Image Analysis (AREA)
DE69926205T 1998-12-14 1999-11-25 Artefaktentfernungstechnik für schiefenkorrigierte bilder Expired - Lifetime DE69926205T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US211125 1998-12-14
US09/211,125 US6282326B1 (en) 1998-12-14 1998-12-14 Artifact removal technique for skew corrected images

Publications (2)

Publication Number Publication Date
DE69926205D1 true DE69926205D1 (de) 2005-08-25
DE69926205T2 DE69926205T2 (de) 2006-05-24

Family

ID=22785677

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69926205T Expired - Lifetime DE69926205T2 (de) 1998-12-14 1999-11-25 Artefaktentfernungstechnik für schiefenkorrigierte bilder

Country Status (4)

Country Link
US (1) US6282326B1 (de)
EP (1) EP1014677B1 (de)
JP (1) JP4256042B2 (de)
DE (1) DE69926205T2 (de)

Families Citing this family (31)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6317223B1 (en) * 1998-12-14 2001-11-13 Eastman Kodak Company Image processing system for reducing vertically disposed patterns on images produced by scanning
US6529641B1 (en) * 1999-10-29 2003-03-04 Eastman Kodak Company Method for deskewing a scanned text image
US6606421B1 (en) * 2000-05-25 2003-08-12 Hewlett-Packard Development Company, L.P. Geometric deformation correction method and system for dot pattern images
US7031543B2 (en) * 2002-01-02 2006-04-18 Xerox Corporation Grayscale image de-speckle algorithm
US6947607B2 (en) 2002-01-04 2005-09-20 Warner Bros. Entertainment Inc. Reduction of differential resolution of separations
US7092584B2 (en) * 2002-01-04 2006-08-15 Time Warner Entertainment Company Lp Registration of separations
US7151859B2 (en) * 2002-01-16 2006-12-19 Ricoh Company, Ltd Method and system for correcting direction or orientation of document image
US6873728B2 (en) * 2002-01-16 2005-03-29 Eastman Kodak Company Vertical black line removal implementation
US7068855B2 (en) * 2002-07-16 2006-06-27 Hewlett-Packard Development Company, L.P. System and method for manipulating a skewed digital image
US7142718B2 (en) * 2002-10-28 2006-11-28 Lee Shih-Jong J Fast pattern searching
US7773270B2 (en) * 2004-01-07 2010-08-10 Hewlett-Packard Development Company, L.P. Image scanner feature detection
US7483591B2 (en) * 2004-02-17 2009-01-27 Xerox Corporation Image transfer apparatus with streak removal system
US7593595B2 (en) * 2004-08-26 2009-09-22 Compulink Management Center, Inc. Photographic document imaging system
US7391930B2 (en) * 2004-12-17 2008-06-24 Primax Electronics Ltd. Angle de-skew device and method thereof
JP4123267B2 (ja) * 2005-10-31 2008-07-23 コニカミノルタビジネステクノロジーズ株式会社 画像処理装置
US7330604B2 (en) * 2006-03-02 2008-02-12 Compulink Management Center, Inc. Model-based dewarping method and apparatus
US7729559B2 (en) * 2006-05-22 2010-06-01 Ge Healthcare Bio-Sciences Corp. System and method for optical section image line removal
CN101681432B (zh) * 2007-05-01 2013-11-06 计算机连接管理中心公司 图片文档分割方法和系统
US8249391B2 (en) * 2007-08-24 2012-08-21 Ancestry.com Operations, Inc. User interface method for skew correction
US20100073735A1 (en) * 2008-05-06 2010-03-25 Compulink Management Center, Inc. Camera-based document imaging
US9547799B2 (en) * 2008-07-17 2017-01-17 Sharp Laboratories Of America, Inc. Methods and systems for content-boundary detection
US8370759B2 (en) 2008-09-29 2013-02-05 Ancestry.com Operations Inc Visualizing, creating and editing blending modes methods and systems
US20110110604A1 (en) * 2009-11-10 2011-05-12 Prakash Reddy Cropping scanned pages to remove artifacts
US8873864B2 (en) * 2009-12-16 2014-10-28 Sharp Laboratories Of America, Inc. Methods and systems for automatic content-boundary detection
US8903173B2 (en) * 2011-12-21 2014-12-02 Ncr Corporation Automatic image processing for document de-skewing and cropping
US9241128B2 (en) 2013-02-14 2016-01-19 Warner Bros. Entertainment Inc. Video conversion technology
US20140279323A1 (en) * 2013-03-15 2014-09-18 Mitek Systems, Inc. Systems and methods for capturing critical fields from a mobile image of a credit card bill
US9235755B2 (en) * 2013-08-15 2016-01-12 Konica Minolta Laboratory U.S.A., Inc. Removal of underlines and table lines in document images while preserving intersecting character strokes
US9495343B2 (en) * 2014-09-30 2016-11-15 Konica Minolta Laboratory U.S.A., Inc. Horizontal and vertical line detection and removal for document images
JP7030425B2 (ja) * 2017-05-22 2022-03-07 キヤノン株式会社 画像処理装置、画像処理方法、プログラム
CN113852730B (zh) * 2021-09-28 2023-12-01 科大讯飞股份有限公司 一种倾斜角确定方法及其相关设备

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6478381A (en) * 1987-09-21 1989-03-23 Toshiba Corp Picture processing method
US5054098A (en) * 1990-05-21 1991-10-01 Eastman Kodak Company Method of detecting the skew angle of a printed business form
US5214470A (en) * 1992-04-09 1993-05-25 Xerox Corporation Method and apparatus for compensating for dirt or etched areas on a document platen
US5594817A (en) * 1992-10-19 1997-01-14 Fast; Bruce B. OCR image pre-processor for detecting and reducing skew of the image of textual matter of a scanned document
GB9224952D0 (en) * 1992-11-28 1993-01-20 Ibm Improvements in image processing
US5583659A (en) * 1994-11-10 1996-12-10 Eastman Kodak Company Multi-windowing technique for thresholding an image using local image properties
US5949901A (en) * 1996-03-21 1999-09-07 Nichani; Sanjay Semiconductor device image inspection utilizing image subtraction and threshold imaging
DE19613342A1 (de) * 1996-04-03 1997-10-09 Philips Patentverwaltung Automatisches Bildauswertungsverfahren
US6035072A (en) * 1997-12-08 2000-03-07 Read; Robert Lee Mapping defects or dirt dynamically affecting an image acquisition device

Also Published As

Publication number Publication date
US6282326B1 (en) 2001-08-28
JP4256042B2 (ja) 2009-04-22
EP1014677A2 (de) 2000-06-28
EP1014677B1 (de) 2005-07-20
EP1014677A3 (de) 2002-05-15
DE69926205T2 (de) 2006-05-24
JP2000184192A (ja) 2000-06-30

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