DE69718566T2 - Verfahren zum Komprimieren von Zwei-Pegeldaten - Google Patents

Verfahren zum Komprimieren von Zwei-Pegeldaten

Info

Publication number
DE69718566T2
DE69718566T2 DE69718566T DE69718566T DE69718566T2 DE 69718566 T2 DE69718566 T2 DE 69718566T2 DE 69718566 T DE69718566 T DE 69718566T DE 69718566 T DE69718566 T DE 69718566T DE 69718566 T2 DE69718566 T2 DE 69718566T2
Authority
DE
Germany
Prior art keywords
compressing
level data
level
data
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 - Fee Related
Application number
DE69718566T
Other languages
English (en)
Other versions
DE69718566D1 (de
Inventor
Mark A Overton
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 DE69718566D1 publication Critical patent/DE69718566D1/de
Publication of DE69718566T2 publication Critical patent/DE69718566T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T3/00—Geometric image transformations in the plane of the image
    • G06T3/40—Scaling of whole images or parts thereof, e.g. expanding or contracting
    • G06T3/4023—Scaling of whole images or parts thereof, e.g. expanding or contracting based on decimating pixels or lines of pixels; based on inserting pixels or lines of pixels

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Editing Of Facsimile Originals (AREA)
  • Image Processing (AREA)
DE69718566T 1996-07-19 1997-07-01 Verfahren zum Komprimieren von Zwei-Pegeldaten Expired - Fee Related DE69718566T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US08/694,711 US5838838A (en) 1996-07-19 1996-07-19 Down-scaling technique for bi-level images

Publications (2)

Publication Number Publication Date
DE69718566D1 DE69718566D1 (de) 2003-02-27
DE69718566T2 true DE69718566T2 (de) 2003-11-20

Family

ID=24789963

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69718566T Expired - Fee Related DE69718566T2 (de) 1996-07-19 1997-07-01 Verfahren zum Komprimieren von Zwei-Pegeldaten

Country Status (3)

Country Link
US (1) US5838838A (de)
EP (1) EP0820038B1 (de)
DE (1) DE69718566T2 (de)

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US6252576B1 (en) * 1998-08-06 2001-06-26 In-System Design, Inc. Hardware-efficient system for hybrid-bilinear image scaling
US6553153B1 (en) * 1998-12-03 2003-04-22 Chips And Technologies, Llc. Method and apparatus for reducing video data
US6289122B1 (en) 1999-04-15 2001-09-11 Electronics For Imaging, Inc. Intelligent detection of text on a page
JP4018310B2 (ja) * 1999-04-21 2007-12-05 株式会社リコー 画像二値化装置、画像撮像装置、画像二値化方法、画像撮像方法およびその方法の各工程としてコンピュータを機能させるためのプログラムを記録したコンピュータ読取可能な記録媒体
US7555171B2 (en) * 2004-03-15 2009-06-30 Sharp Laboratories Of America, Inc. Systems and methods for down scaling a bitmap
US7715656B2 (en) * 2004-09-28 2010-05-11 Qualcomm Incorporated Magnification and pinching of two-dimensional images
KR100657343B1 (ko) * 2005-10-19 2006-12-14 삼성전자주식회사 영상처리장치 및 방법
US20070153024A1 (en) * 2005-12-29 2007-07-05 Samsung Electronics Co., Ltd. Multi-mode pixelated displays
US8059915B2 (en) * 2006-11-20 2011-11-15 Videosurf, Inc. Apparatus for and method of robust motion estimation using line averages
US20080120291A1 (en) * 2006-11-20 2008-05-22 Rexee, Inc. Computer Program Implementing A Weight-Based Search
US8488839B2 (en) * 2006-11-20 2013-07-16 Videosurf, Inc. Computer program and apparatus for motion-based object extraction and tracking in video
US20080120328A1 (en) * 2006-11-20 2008-05-22 Rexee, Inc. Method of Performing a Weight-Based Search
US8379915B2 (en) * 2006-11-20 2013-02-19 Videosurf, Inc. Method of performing motion-based object extraction and tracking in video
WO2008147978A1 (en) * 2007-05-23 2008-12-04 Rexee, Inc. A method of and apparatus and software for geometric coarsening and segmenting of still images
US7920748B2 (en) * 2007-05-23 2011-04-05 Videosurf, Inc. Apparatus and software for geometric coarsening and segmenting of still images
US7903899B2 (en) * 2007-05-23 2011-03-08 Videosurf, Inc. Method of geometric coarsening and segmenting of still images
WO2010006334A1 (en) * 2008-07-11 2010-01-14 Videosurf, Inc. Apparatus and software system for and method of performing a visual-relevance-rank subsequent search
US8364660B2 (en) * 2008-07-11 2013-01-29 Videosurf, Inc. Apparatus and software system for and method of performing a visual-relevance-rank subsequent search
EP2426638B1 (de) * 2009-04-30 2013-09-18 Huawei Device Co., Ltd. Bildumwandlungsverfahren, bildumwandlungsvorrichtung und anzeigesystem
US9413477B2 (en) 2010-05-10 2016-08-09 Microsoft Technology Licensing, Llc Screen detector
US9311708B2 (en) 2014-04-23 2016-04-12 Microsoft Technology Licensing, Llc Collaborative alignment of images
US9508011B2 (en) * 2010-05-10 2016-11-29 Videosurf, Inc. Video visual and audio query

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US4807046A (en) * 1987-02-26 1989-02-21 Minolta Camera Kabushiki Kaisha Copier
US4924522A (en) * 1987-08-26 1990-05-08 Ncr Corporation Method and apparatus for displaying a high resolution image on a low resolution CRT
US4872064A (en) * 1987-10-19 1989-10-03 Interand Corporation System for selective scaling of digital video images
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JPH0751370B2 (ja) * 1988-07-15 1995-06-05 インターナショナル・ビジネス・マシーンズ・コーポレーション 像形成装置
JPH0286369A (ja) * 1988-09-22 1990-03-27 Toshiba Corp 画像処理装置
US5148295A (en) * 1988-11-30 1992-09-15 Kabushiki Kaisha Toshiba Information processing apparatus
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JPH02287684A (ja) * 1989-04-28 1990-11-27 Ibm Japan Ltd イメージ処理装置および方法
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US5488486A (en) * 1991-03-11 1996-01-30 Ricoh Company, Ltd. Image processing system
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KR0120570B1 (ko) * 1994-04-30 1997-10-29 김광호 디지탈 화상처리장치에 있어서 화상데이타 변배처리방법 및 회로
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US5706369A (en) * 1995-05-31 1998-01-06 Rockwell International Corporation Base-n resolution converter

Also Published As

Publication number Publication date
EP0820038A2 (de) 1998-01-21
US5838838A (en) 1998-11-17
EP0820038A3 (de) 2000-02-23
DE69718566D1 (de) 2003-02-27
EP0820038B1 (de) 2003-01-22

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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

8339 Ceased/non-payment of the annual fee