DE69032556D1 - Technik zur Bildverkleinerung und -vergrösserung - Google Patents

Technik zur Bildverkleinerung und -vergrösserung

Info

Publication number
DE69032556D1
DE69032556D1 DE69032556T DE69032556T DE69032556D1 DE 69032556 D1 DE69032556 D1 DE 69032556D1 DE 69032556 T DE69032556 T DE 69032556T DE 69032556 T DE69032556 T DE 69032556T DE 69032556 D1 DE69032556 D1 DE 69032556D1
Authority
DE
Germany
Prior art keywords
enlargement
technology
image reduction
reduction
image
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
DE69032556T
Other languages
English (en)
Other versions
DE69032556T2 (de
Inventor
Dan S Bloomberg
Daniel Davies
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.)
Xerox Corp
Original Assignee
Xerox Corp
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 Xerox Corp filed Critical Xerox Corp
Publication of DE69032556D1 publication Critical patent/DE69032556D1/de
Application granted granted Critical
Publication of DE69032556T2 publication Critical patent/DE69032556T2/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)
  • Image Processing (AREA)
DE69032556T 1989-12-08 1990-12-07 Technik zur Bildverkleinerung und -vergrösserung Expired - Fee Related DE69032556T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US44962789A 1989-12-08 1989-12-08

Publications (2)

Publication Number Publication Date
DE69032556D1 true DE69032556D1 (de) 1998-09-17
DE69032556T2 DE69032556T2 (de) 1999-02-04

Family

ID=23784870

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69032556T Expired - Fee Related DE69032556T2 (de) 1989-12-08 1990-12-07 Technik zur Bildverkleinerung und -vergrösserung

Country Status (4)

Country Link
US (1) US5740285A (de)
EP (1) EP0431961B1 (de)
JP (1) JP2523222B2 (de)
DE (1) DE69032556T2 (de)

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US5467410A (en) * 1992-03-20 1995-11-14 Xerox Corporation Identification of a blank page in an image processing system
US5434953A (en) * 1992-03-20 1995-07-18 Xerox Corporation Use of fast textured reduction for discrimination of document image components
US5437045A (en) * 1992-12-18 1995-07-25 Xerox Corporation Parallel processing with subsampling/spreading circuitry and data transfer circuitry to and from any processing unit
US5375080A (en) * 1992-12-18 1994-12-20 Xerox Corporation Performing arithmetic on composite operands to obtain a binary outcome for each multi-bit component
US5408670A (en) * 1992-12-18 1995-04-18 Xerox Corporation Performing arithmetic in parallel on composite operands with packed multi-bit components
US5694149A (en) * 1993-07-01 1997-12-02 Intel Corporation Vertically scaling image signals using digital differential accumulator processing
KR0120570B1 (ko) * 1994-04-30 1997-10-29 김광호 디지탈 화상처리장치에 있어서 화상데이타 변배처리방법 및 회로
US6259827B1 (en) 1996-03-21 2001-07-10 Cognex Corporation Machine vision methods for enhancing the contrast between an object and its background using multiple on-axis images
JPH10285389A (ja) * 1997-04-11 1998-10-23 Nikon Corp 画像処理方法、画像処理装置、および、記録媒体
US5992745A (en) * 1997-04-30 1999-11-30 Uniform Code Council, Inc. N, k structure bar code character value determination method and system
US6236769B1 (en) * 1998-01-28 2001-05-22 Cognex Corporation Machine vision systems and methods for morphological transformation of an image with zero or other uniform offsets
US6687402B1 (en) 1998-12-18 2004-02-03 Cognex Corporation Machine vision methods and systems for boundary feature comparison of patterns and images
US6748104B1 (en) 2000-03-24 2004-06-08 Cognex Corporation Methods and apparatus for machine vision inspection using single and multiple templates or patterns
US6920358B2 (en) * 2000-05-26 2005-07-19 Second Sight Medical Products, Inc. Video processing methods for improving visual acuity and/or perceived image resolution
US7069506B2 (en) * 2001-08-08 2006-06-27 Xerox Corporation Methods and systems for generating enhanced thumbnails
US6993726B2 (en) * 2001-08-08 2006-01-31 Xerox Corporation Methods and systems for document navigation using enhanced thumbnails
US7337396B2 (en) 2001-08-08 2008-02-26 Xerox Corporation Methods and systems for transitioning between thumbnails and documents based upon thumbnail appearance
US6883138B2 (en) * 2001-08-08 2005-04-19 Xerox Corporation Methods and systems for generating enhanced thumbnails usable for document navigation
SE0103279L (sv) 2001-10-02 2003-04-03 Integrated Vision Prod Förfarande för mätning av ljusspridning och geometrisk profil
JP4501566B2 (ja) * 2004-07-13 2010-07-14 富士通株式会社 無線通信装置及び移動局
US8111904B2 (en) * 2005-10-07 2012-02-07 Cognex Technology And Investment Corp. Methods and apparatus for practical 3D vision system
US8162584B2 (en) * 2006-08-23 2012-04-24 Cognex Corporation Method and apparatus for semiconductor wafer alignment
FR2909204A1 (fr) * 2006-11-28 2008-05-30 Commissariat Energie Atomique Systeme de traitement d'image a macro cellule morphologique.
US7957811B2 (en) 2007-05-08 2011-06-07 Second Sight Medical Products, Inc. Spatial mapping for a visual prosthesis
JP5173873B2 (ja) * 2008-11-20 2013-04-03 キヤノン株式会社 画像符号化装置及びその制御方法
JP5116650B2 (ja) * 2008-12-10 2013-01-09 キヤノン株式会社 画像符号化装置及びその制御方法
KR101778530B1 (ko) * 2011-06-14 2017-09-15 삼성전자 주식회사 영상 처리 방법 및 장치
KR101947125B1 (ko) * 2012-11-27 2019-02-13 엘지디스플레이 주식회사 타이밍 컨트롤러 및 그 구동 방법과 이를 이용한 표시장치
CN105046632B (zh) * 2015-06-29 2018-09-25 湖南大学 时空高效的二值图像二元逻辑运算方法

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US3560930A (en) * 1968-01-15 1971-02-02 Ibm Method and apparatus for reducing data in a pattern recognition system
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JPS59156070A (ja) * 1983-02-25 1984-09-05 Canon Inc 画像処理装置
JPS60100176A (ja) * 1983-11-05 1985-06-04 株式会社リコー 文字フオント縮小方式
US4569081A (en) * 1983-12-30 1986-02-04 International Business Machines Corporation Method for expansion of a digital image
US4712140A (en) * 1983-12-30 1987-12-08 International Business Machines Corporation Image reduction method
US4742558A (en) * 1984-02-14 1988-05-03 Nippon Telegraph & Telephone Public Corporation Image information retrieval/display apparatus
US4601055A (en) * 1984-04-10 1986-07-15 The United States Of America As Represented By The Secretary Of Commerce Image processor
JPS60261252A (ja) * 1984-06-08 1985-12-24 Dainippon Screen Mfg Co Ltd 画像信号の密度変換方法
CN1009605B (zh) * 1985-03-28 1990-09-12 西门子公司 信息传输装置
US4700400A (en) * 1985-10-10 1987-10-13 The Palantir Corporation Feature extraction technique for use in a pattern recognition system
US4791675A (en) * 1985-12-31 1988-12-13 Schlumberger Systems And Services, Inc. VSP Connectivity pattern recognition system
US4825388A (en) * 1986-04-01 1989-04-25 Princeton Gamma Tech., Inc. Apparatus and method for processing digital images
GB8614214D0 (en) * 1986-06-11 1986-07-16 Kodak Ltd Image processing method
JP2635034B2 (ja) * 1986-06-26 1997-07-30 ウォング・ラボラトリーズ・インコーポレーテッド エラー項平均化を用いるビットマップ像の解像度交換法
JPS63261486A (ja) * 1987-04-20 1988-10-28 Nec Corp 書体識別装置
JP2696211B2 (ja) * 1987-04-20 1998-01-14 株式会社日立製作所 濃淡画像からのパターン認識方法及び装置
JP2615625B2 (ja) * 1987-06-24 1997-06-04 富士ゼロックス株式会社 画像処理装置
US4827330A (en) * 1987-07-20 1989-05-02 Litton Industrial Automation Systems, Inc. Automatic document image revision
US5033105A (en) * 1987-08-11 1991-07-16 Apple Computer Video compression algorithm
JPS6482286A (en) * 1987-09-25 1989-03-28 Toshiba Corp Image inclination detector
US4791679A (en) * 1987-12-26 1988-12-13 Eastman Kodak Company Image character enhancement using a stroke strengthening kernal
US5161213A (en) * 1988-05-27 1992-11-03 Wang Laboratories, Inc. Method for black and white image reduction based upon averaging black/white pixel counts of neighboring blocks
US5131053A (en) * 1988-08-10 1992-07-14 Caere Corporation Optical character recognition method and apparatus
US4948955A (en) * 1988-12-22 1990-08-14 The Boeing Company Barcode location determination
US5065437A (en) * 1989-12-08 1991-11-12 Xerox Corporation Identification and segmentation of finely textured and solid regions of binary images
US5048109A (en) * 1989-12-08 1991-09-10 Xerox Corporation Detection of highlighted regions
US5276315A (en) * 1992-05-14 1994-01-04 United Parcel Service Of America, Inc. Method and apparatus for processing low resolution images of degraded bar code symbols

Also Published As

Publication number Publication date
JPH03231383A (ja) 1991-10-15
US5740285A (en) 1998-04-14
JP2523222B2 (ja) 1996-08-07
EP0431961A2 (de) 1991-06-12
EP0431961B1 (de) 1998-08-12
DE69032556T2 (de) 1999-02-04
EP0431961A3 (en) 1993-02-24

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee