DE69526792T2 - Bildverarbeitungsgerät und -verfahren - Google Patents

Bildverarbeitungsgerät und -verfahren

Info

Publication number
DE69526792T2
DE69526792T2 DE69526792T DE69526792T DE69526792T2 DE 69526792 T2 DE69526792 T2 DE 69526792T2 DE 69526792 T DE69526792 T DE 69526792T DE 69526792 T DE69526792 T DE 69526792T DE 69526792 T2 DE69526792 T2 DE 69526792T2
Authority
DE
Germany
Prior art keywords
image processing
processing device
image
processing
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
DE69526792T
Other languages
English (en)
Other versions
DE69526792D1 (de
Inventor
Stephen Bernard Pollard
Claus Henrik Pedersen
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
Publication of DE69526792D1 publication Critical patent/DE69526792D1/de
Application granted granted Critical
Publication of DE69526792T2 publication Critical patent/DE69526792T2/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
    • H04N1/46—Colour picture communication systems
    • H04N1/56—Processing of colour picture signals
DE69526792T 1995-09-29 1995-09-29 Bildverarbeitungsgerät und -verfahren Expired - Lifetime DE69526792T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP95306931A EP0767581B1 (de) 1995-09-29 1995-09-29 Bildverarbeitungsgerät und -verfahren

Publications (2)

Publication Number Publication Date
DE69526792D1 DE69526792D1 (de) 2002-06-27
DE69526792T2 true DE69526792T2 (de) 2002-12-05

Family

ID=8221348

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69526792T Expired - Lifetime DE69526792T2 (de) 1995-09-29 1995-09-29 Bildverarbeitungsgerät und -verfahren

Country Status (4)

Country Link
US (1) US6266439B1 (de)
EP (1) EP0767581B1 (de)
JP (1) JP3828212B2 (de)
DE (1) DE69526792T2 (de)

Families Citing this family (34)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3881439B2 (ja) * 1998-01-23 2007-02-14 シャープ株式会社 画像処理装置
US6501565B1 (en) 1998-07-07 2002-12-31 Electronics For Imaging, Inc. Method and apparatus for smoothing text outlines
US6310697B1 (en) * 1998-07-07 2001-10-30 Electronics For Imaging, Inc. Text enhancement system
US6429949B1 (en) 1998-10-15 2002-08-06 Electronics For Imaging, Inc. Low memory printer controller
US6728426B1 (en) * 1999-08-23 2004-04-27 International Business Machines Corporation Compression of form images in gray-level
JP2001103309A (ja) * 1999-09-28 2001-04-13 Sharp Corp 画像処理方法及び画像処理装置
NL1015943C2 (nl) 2000-08-16 2002-02-19 Ocu Technologies B V Interpretatie van gekleurde documenten.
US7079686B2 (en) * 2002-08-20 2006-07-18 Lexmark International, Inc. Systems and methods for content-based document image enhancement
US20040179730A1 (en) * 2003-03-12 2004-09-16 Sharp Laboratories Of America, Inc. Paper white determination
US7248268B2 (en) * 2004-04-09 2007-07-24 Clairvoyante, Inc Subpixel rendering filters for high brightness subpixel layouts
EP1605684B1 (de) 2004-06-04 2018-09-12 Sicpa Holding Sa Verfahren zum Bearbeiten eines digitalen Bildes zu Verbesserung der Textregion dieses Bildes
US7450268B2 (en) * 2004-07-02 2008-11-11 Hewlett-Packard Development Company, L.P. Image reproduction
JP4329797B2 (ja) * 2006-09-06 2009-09-09 村田機械株式会社 画像色判定装置、画像色判定方法及びプログラム
US7809208B2 (en) * 2007-05-30 2010-10-05 Microsoft Corporation Image sharpening with halo suppression
US7792357B2 (en) * 2007-05-30 2010-09-07 Microsoft Corporation Chromatic aberration correction
US7783107B2 (en) * 2007-09-06 2010-08-24 Seiko Epson Corporation Characterization of a printed droplet
US20090214108A1 (en) * 2008-02-26 2009-08-27 Jonathan Yen System and method for isolating near achromatic pixels of a digital image
US8346010B2 (en) * 2008-09-17 2013-01-01 Panasonic Corporation Image processing device, imaging device, evaluation device, image processing method, and optical system evaluation method
AU2009201252B2 (en) * 2009-03-31 2011-06-02 Canon Kabushiki Kaisha Colour correcting foreground colours for visual quality improvement
US9070011B2 (en) 2010-06-18 2015-06-30 Csr Imaging Us, Lp Automated segmentation tuner
US8395798B2 (en) 2010-07-15 2013-03-12 Fujifilm Dimatix, Inc. Printing objects using a rolling buffer
JP5701181B2 (ja) 2011-08-18 2015-04-15 株式会社Pfu 画像処理装置、画像処理方法及びコンピュータプログラム
JP5701182B2 (ja) * 2011-08-18 2015-04-15 株式会社Pfu 画像処理装置、画像処理方法及びコンピュータプログラム
US8705881B2 (en) * 2011-09-02 2014-04-22 Adobe Systems Incorporated Motion deblurring for text images
US9087396B2 (en) 2011-10-13 2015-07-21 Hewlett-Packard Development Company, L.P. Digital image text addition
US9064191B2 (en) 2012-01-26 2015-06-23 Qualcomm Incorporated Lower modifier detection and extraction from devanagari text images to improve OCR performance
US9053361B2 (en) * 2012-01-26 2015-06-09 Qualcomm Incorporated Identifying regions of text to merge in a natural image or video frame
US9014480B2 (en) 2012-07-19 2015-04-21 Qualcomm Incorporated Identifying a maximally stable extremal region (MSER) in an image by skipping comparison of pixels in the region
US9141874B2 (en) 2012-07-19 2015-09-22 Qualcomm Incorporated Feature extraction and use with a probability density function (PDF) divergence metric
US9076242B2 (en) 2012-07-19 2015-07-07 Qualcomm Incorporated Automatic correction of skew in natural images and video
US9047540B2 (en) 2012-07-19 2015-06-02 Qualcomm Incorporated Trellis based word decoder with reverse pass
US9262699B2 (en) 2012-07-19 2016-02-16 Qualcomm Incorporated Method of handling complex variants of words through prefix-tree based decoding for Devanagiri OCR
KR102016424B1 (ko) * 2013-04-12 2019-09-02 삼성디스플레이 주식회사 데이터 처리 장치 및 이를 갖는 디스플레이 시스템
US9471853B2 (en) * 2014-05-19 2016-10-18 Jinling Institute Of Technology Method and apparatus for image processing

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5031034A (en) * 1988-06-20 1991-07-09 Canon Kabushiki Kaisha Image forming and processing apparatus with identification of character portions of images
JP2892037B2 (ja) * 1989-04-28 1999-05-17 コニカ株式会社 カラー画像処理装置
JPH0372778A (ja) * 1989-08-11 1991-03-27 Fuji Xerox Co Ltd 画像処理装置の領域識別方式
US5189523A (en) 1989-11-27 1993-02-23 Canon Kabushiki Kaisha Image processing apparatus
DE69126370T2 (de) 1990-06-25 1997-10-23 Canon Kk Bildverarbeitungsgerät und Bildverarbeitungsverfahren
JP3100391B2 (ja) * 1990-08-15 2000-10-16 株式会社リコー カラー画像の領域分離装置
US5696842A (en) * 1991-07-04 1997-12-09 Ricoh Company, Ltd. Image processing system for adaptive coding of color document images
JP3361124B2 (ja) * 1991-07-30 2003-01-07 ゼロックス・コーポレーション テキストを含む２次元画像上での画像処理方法と画像処理装置
US5613015A (en) * 1992-11-12 1997-03-18 Fuji Xerox Co., Ltd. Image signal analyzing system and coding system
JPH08255240A (ja) * 1995-03-17 1996-10-01 Dainippon Screen Mfg Co Ltd 画像修正装置及び方法

Also Published As

Publication number Publication date
DE69526792D1 (de) 2002-06-27
JP3828212B2 (ja) 2006-10-04
EP0767581A1 (de) 1997-04-09
US6266439B1 (en) 2001-07-24
EP0767581B1 (de) 2002-05-22
JPH09139856A (ja) 1997-05-27

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

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