DE60137704D1 - System und verfahren zur verbesserung von gescannten dokumentbildern für den farbdruck - Google Patents

System und verfahren zur verbesserung von gescannten dokumentbildern für den farbdruck

Info

Publication number
DE60137704D1
DE60137704D1 DE60137704T DE60137704T DE60137704D1 DE 60137704 D1 DE60137704 D1 DE 60137704D1 DE 60137704 T DE60137704 T DE 60137704T DE 60137704 T DE60137704 T DE 60137704T DE 60137704 D1 DE60137704 D1 DE 60137704D1
Authority
DE
Germany
Prior art keywords
improving
color printing
scanned document
document images
scanned
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
DE60137704T
Other languages
English (en)
Inventor
Jian Fan
Daniel Tretter
Qian Lin
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.)
Hewlett Packard Development Co LP
Original Assignee
Hewlett Packard 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 Hewlett Packard Co filed Critical Hewlett Packard Co
Application granted granted Critical
Publication of DE60137704D1 publication Critical patent/DE60137704D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/46Colour picture communication systems
    • H04N1/56Processing of colour picture signals
    • H04N1/58Edge or detail enhancement; Noise or error suppression, e.g. colour misregistration correction
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/40Picture signal circuits
    • H04N1/409Edge or detail enhancement; Noise or error suppression
    • H04N1/4095Correction of errors due to scanning a two-sided document, i.e. show-through correction
DE60137704T 2000-11-01 2001-10-31 System und verfahren zur verbesserung von gescannten dokumentbildern für den farbdruck Expired - Lifetime DE60137704D1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/704,358 US6621595B1 (en) 2000-11-01 2000-11-01 System and method for enhancing scanned document images for color printing
PCT/US2001/045426 WO2002037832A2 (en) 2000-11-01 2001-10-31 System and method for enhancing scanned document images for color printing

Publications (1)

Publication Number Publication Date
DE60137704D1 true DE60137704D1 (de) 2009-04-02

Family

ID=24829138

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60137704T Expired - Lifetime DE60137704D1 (de) 2000-11-01 2001-10-31 System und verfahren zur verbesserung von gescannten dokumentbildern für den farbdruck

Country Status (6)

Country Link
US (1) US6621595B1 (de)
EP (1) EP1330917B1 (de)
JP (1) JP4112362B2 (de)
AU (1) AU2002227115A1 (de)
DE (1) DE60137704D1 (de)
WO (1) WO2002037832A2 (de)

Families Citing this family (64)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7228002B2 (en) * 2001-05-14 2007-06-05 Intel Corporation Inverse halftoning process
US7058222B2 (en) * 2001-12-20 2006-06-06 Xerox Corporation Automatic background detection of scanned documents
US7050650B2 (en) * 2002-02-28 2006-05-23 Hewlett-Packard Development Company, L.P. User selected background noise removal for scanned document images
JP3855805B2 (ja) * 2002-03-07 2006-12-13 ブラザー工業株式会社 画像処理装置および画像処理方法
JP3862613B2 (ja) * 2002-06-05 2006-12-27 キヤノン株式会社 画像処理装置及び画像処理方法並びにコンピュータプログラム
JP3862621B2 (ja) * 2002-06-28 2006-12-27 キヤノン株式会社 画像処理装置、画像処理方法、及びそのプログラム
JP3964297B2 (ja) * 2002-09-19 2007-08-22 株式会社リコー 画像処理装置、画像処理方法、およびコンピュータが実行するためのプログラム
NL1022258C2 (nl) * 2002-12-24 2004-06-25 Univ Delft Tech Werkwijze voor het bewerken van een kleurenbeeld.
US7194142B2 (en) * 2003-02-28 2007-03-20 Hewlett-Packard Development Company, L.P. Selective thickening of dark features by biased sharpening filters
JP3823933B2 (ja) * 2003-03-07 2006-09-20 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
US20050001872A1 (en) * 2003-07-02 2005-01-06 Ahne Adam Jude Method for filtering objects to be separated from a media
JP2005045404A (ja) * 2003-07-24 2005-02-17 Ricoh Co Ltd 画像処理装置、画像処理方法およびプログラム
US7433535B2 (en) 2003-09-30 2008-10-07 Hewlett-Packard Development Company, L.P. Enhancing text-like edges in digital images
FR2869749B1 (fr) * 2004-04-30 2006-10-20 Sagem Procede et systeme de traitement d'image par filtrage de blocs de pixels de l'image
US7428331B2 (en) * 2004-11-30 2008-09-23 Seiko Epson Corporation Page background estimation using color, texture and edge features
US9769354B2 (en) 2005-03-24 2017-09-19 Kofax, Inc. Systems and methods of processing scanned data
US9137417B2 (en) 2005-03-24 2015-09-15 Kofax, Inc. Systems and methods for processing video data
US7586653B2 (en) * 2005-04-22 2009-09-08 Lexmark International, Inc. Method and system for enhancing an image using luminance scaling
US20060245665A1 (en) * 2005-04-29 2006-11-02 Je-Ho Lee Method to detect previous sharpening of an image to preclude oversharpening
US20060274376A1 (en) * 2005-06-06 2006-12-07 Lexmark International, Inc. Method for image background detection and removal
CN100405400C (zh) * 2005-06-27 2008-07-23 同方威视技术股份有限公司 一种辐射成像中图像信息增强的方法
US7557963B2 (en) * 2005-08-12 2009-07-07 Seiko Epson Corporation Label aided copy enhancement
US7899258B2 (en) * 2005-08-12 2011-03-01 Seiko Epson Corporation Systems and methods to convert images into high-quality compressed documents
US7783117B2 (en) * 2005-08-12 2010-08-24 Seiko Epson Corporation Systems and methods for generating background and foreground images for document compression
US7734089B2 (en) * 2005-08-23 2010-06-08 Trident Microsystems (Far East) Ltd. Method for reducing mosquito noise
JP4238902B2 (ja) * 2006-09-04 2009-03-18 日本電気株式会社 文字ノイズ除去装置、文字ノイズ除去方法、文字ノイズ除去プログラム
US20080174797A1 (en) * 2007-01-18 2008-07-24 Samsung Electronics Co., Ltd. Image forming device and method thereof
US8134762B2 (en) * 2007-01-29 2012-03-13 Sharp Laboratories Of America, Inc. Methods and systems for characterizing regions of substantially-uniform color in a digital image
US7894689B2 (en) * 2007-05-31 2011-02-22 Seiko Epson Corporation Image stitching
US7873215B2 (en) * 2007-06-27 2011-01-18 Seiko Epson Corporation Precise identification of text pixels from scanned document images
JP5349790B2 (ja) * 2007-11-16 2013-11-20 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
CN101577832B (zh) * 2008-05-06 2012-03-21 联咏科技股份有限公司 用于加强文字显示效果的图像处理电路及其方法
US9177218B2 (en) * 2008-09-08 2015-11-03 Kofax, Inc. System and method, and computer program product for detecting an edge in scan data
KR101296681B1 (ko) * 2008-09-24 2013-08-16 삼성전자주식회사 영상 처리 방법 및 이를 이용한 화상형성장치
US8958605B2 (en) 2009-02-10 2015-02-17 Kofax, Inc. Systems, methods and computer program products for determining document validity
US9349046B2 (en) 2009-02-10 2016-05-24 Kofax, Inc. Smart optical input/output (I/O) extension for context-dependent workflows
US8774516B2 (en) 2009-02-10 2014-07-08 Kofax, Inc. Systems, methods and computer program products for determining document validity
US9576272B2 (en) 2009-02-10 2017-02-21 Kofax, Inc. Systems, methods and computer program products for determining document validity
US9767354B2 (en) 2009-02-10 2017-09-19 Kofax, Inc. Global geographic information retrieval, validation, and normalization
JP5525548B2 (ja) 2009-02-13 2014-06-18 オセ−テクノロジーズ ビーブイ デジタル画像を処理するための画像処理システム及びデジタル画像を処理する画像処理方法
US20120087596A1 (en) * 2010-10-06 2012-04-12 Kamat Pawankumar Jagannath Methods and systems for pipelined image processing
US8755625B2 (en) 2010-11-19 2014-06-17 Analog Devices, Inc. Component filtering for low-light noise reduction
US20120128244A1 (en) * 2010-11-19 2012-05-24 Raka Singh Divide-and-conquer filter for low-light noise reduction
US9223769B2 (en) 2011-09-21 2015-12-29 Roman Tsibulevskiy Data processing systems, devices, and methods for content analysis
US10146795B2 (en) 2012-01-12 2018-12-04 Kofax, Inc. Systems and methods for mobile image capture and processing
US8989515B2 (en) 2012-01-12 2015-03-24 Kofax, Inc. Systems and methods for mobile image capture and processing
US9058580B1 (en) 2012-01-12 2015-06-16 Kofax, Inc. Systems and methods for identification document processing and business workflow integration
US9483794B2 (en) 2012-01-12 2016-11-01 Kofax, Inc. Systems and methods for identification document processing and business workflow integration
US9058515B1 (en) 2012-01-12 2015-06-16 Kofax, Inc. Systems and methods for identification document processing and business workflow integration
WO2014160426A1 (en) 2013-03-13 2014-10-02 Kofax, Inc. Classifying objects in digital images captured using mobile devices
US9355312B2 (en) 2013-03-13 2016-05-31 Kofax, Inc. Systems and methods for classifying objects in digital images captured using mobile devices
US9208536B2 (en) 2013-09-27 2015-12-08 Kofax, Inc. Systems and methods for three dimensional geometric reconstruction of captured image data
US20140316841A1 (en) 2013-04-23 2014-10-23 Kofax, Inc. Location-based workflows and services
US9134931B2 (en) 2013-04-30 2015-09-15 Hewlett-Packard Development Company, L.P. Printing content over a network
DE202014011407U1 (de) 2013-05-03 2020-04-20 Kofax, Inc. Systeme zum Erkennen und Klassifizieren von Objekten in durch Mobilgeräte aufgenommenen Videos
JP2016538783A (ja) 2013-11-15 2016-12-08 コファックス, インコーポレイテッド モバイル映像データを用いて長尺文書の合成画像を生成するためのシステムおよび方法
JP6338469B2 (ja) * 2014-06-23 2018-06-06 キヤノン株式会社 画像処理装置および画像処理方法
CN105335953B (zh) * 2014-07-07 2018-04-10 富士通株式会社 提取图像的背景亮度图的装置和方法、去阴影装置和方法
US9760788B2 (en) 2014-10-30 2017-09-12 Kofax, Inc. Mobile document detection and orientation based on reference object characteristics
US10242285B2 (en) 2015-07-20 2019-03-26 Kofax, Inc. Iterative recognition-guided thresholding and data extraction
US9779296B1 (en) 2016-04-01 2017-10-03 Kofax, Inc. Content-based detection and three dimensional geometric reconstruction of objects in image and video data
CN106057167B (zh) * 2016-07-21 2019-04-05 京东方科技集团股份有限公司 一种对文字边缘暗化处理的方法及装置
US10803350B2 (en) 2017-11-30 2020-10-13 Kofax, Inc. Object detection and image cropping using a multi-detector approach
JP7282510B2 (ja) * 2018-12-07 2023-05-29 キヤノン株式会社 画像処理装置、画像処理方法、およびプログラム

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61168078A (ja) 1985-01-15 1986-07-29 インタ−ナショナル ビジネス マシ−ンズ コ−ポレ−ション イメ−ジ処理方法
EP0506380B1 (de) * 1991-03-27 1996-07-17 Canon Kabushiki Kaisha Bildverarbeitungsgerät
US5280367A (en) * 1991-05-28 1994-01-18 Hewlett-Packard Company Automatic separation of text from background in scanned images of complex documents
EP0531904A3 (en) 1991-09-10 1993-10-06 Eastman Kodak Company Method and apparatus for spatially variant filtering
JP3359390B2 (ja) 1993-09-27 2002-12-24 株式会社リコー 空間フィルタ装置
US5363209A (en) 1993-11-05 1994-11-08 Xerox Corporation Image-dependent sharpness enhancement
US5850298A (en) 1994-03-22 1998-12-15 Ricoh Company, Ltd. Image processing device eliminating background noise
JP3046493B2 (ja) 1994-05-09 2000-05-29 シャープ株式会社 画像処理装置
US5583659A (en) * 1994-11-10 1996-12-10 Eastman Kodak Company Multi-windowing technique for thresholding an image using local image properties
JP3221291B2 (ja) 1995-07-26 2001-10-22 ソニー株式会社 画像処理装置、画像処理方法、ノイズ除去装置及びノイズ除去方法
JP2001320584A (ja) * 2000-05-08 2001-11-16 Ricoh Co Ltd 画像処理装置及び画像形成装置

Also Published As

Publication number Publication date
JP4112362B2 (ja) 2008-07-02
WO2002037832A3 (en) 2002-08-29
WO2002037832A2 (en) 2002-05-10
US6621595B1 (en) 2003-09-16
AU2002227115A1 (en) 2002-05-15
JP2004521529A (ja) 2004-07-15
EP1330917A2 (de) 2003-07-30
EP1330917B1 (de) 2009-02-18

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Legal Events

Date Code Title Description
8327 Change in the person/name/address of the patent owner

Owner name: HEWLETT-PACKARD DEVELOPMENT CO., L.P., HOUSTON, US

8328 Change in the person/name/address of the agent

Representative=s name: SCHOPPE, ZIMMERMANN, STOECKELER & ZINKLER, 82049 P

8364 No opposition during term of opposition