DE68926890D1 - Bildvergrösserung - Google Patents

Bildvergrösserung

Info

Publication number
DE68926890D1
DE68926890D1 DE68926890T DE68926890T DE68926890D1 DE 68926890 D1 DE68926890 D1 DE 68926890D1 DE 68926890 T DE68926890 T DE 68926890T DE 68926890 T DE68926890 T DE 68926890T DE 68926890 D1 DE68926890 D1 DE 68926890D1
Authority
DE
Germany
Prior art keywords
image enlargement
enlargement
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
DE68926890T
Other languages
English (en)
Other versions
DE68926890T2 (de
Inventor
Yoshiyuki Okada
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.)
Fujitsu Ltd
Original Assignee
Fujitsu Ltd
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
Priority claimed from JP63084055A external-priority patent/JP2613080B2/ja
Priority claimed from JP63213672A external-priority patent/JP2613095B2/ja
Application filed by Fujitsu Ltd filed Critical Fujitsu Ltd
Application granted granted Critical
Publication of DE68926890D1 publication Critical patent/DE68926890D1/de
Publication of DE68926890T2 publication Critical patent/DE68926890T2/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
    • G06T3/4007—Scaling of whole images or parts thereof, e.g. expanding or contracting based on interpolation, e.g. bilinear interpolation
    • 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
    • H04N1/387—Composing, repositioning or otherwise geometrically modifying originals
    • H04N1/393—Enlarging or reducing
    • 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
    • H04N1/387—Composing, repositioning or otherwise geometrically modifying originals
    • H04N1/393—Enlarging or reducing
    • H04N1/3935—Enlarging or reducing with modification of image resolution, i.e. determining the values of picture elements at new relative positions
    • 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
    • H04N1/40068—Modification of image resolution, i.e. determining the values of picture elements at new relative positions

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Image Processing (AREA)
  • Editing Of Facsimile Originals (AREA)
DE68926890T 1988-04-07 1989-04-07 Bildvergrösserung Expired - Fee Related DE68926890T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP63084055A JP2613080B2 (ja) 1988-04-07 1988-04-07 画像拡大装置及び方法
JP63213672A JP2613095B2 (ja) 1988-08-30 1988-08-30 画像拡大装置及び方法

Publications (2)

Publication Number Publication Date
DE68926890D1 true DE68926890D1 (de) 1996-09-05
DE68926890T2 DE68926890T2 (de) 1997-01-09

Family

ID=26425135

Family Applications (1)

Application Number Title Priority Date Filing Date
DE68926890T Expired - Fee Related DE68926890T2 (de) 1988-04-07 1989-04-07 Bildvergrösserung

Country Status (5)

Country Link
US (1) US5511137A (de)
EP (1) EP0336776B1 (de)
KR (1) KR920001801B1 (de)
CA (1) CA1335794C (de)
DE (1) DE68926890T2 (de)

Families Citing this family (34)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH03252778A (ja) * 1990-01-05 1991-11-12 Internatl Business Mach Corp <Ibm> 表示画像の処理方法
US5157517A (en) * 1991-04-29 1992-10-20 E. I. Du Pont De Nemours And Company Parallel interpolator for high speed digital image enlargement
JP3438233B2 (ja) * 1992-05-22 2003-08-18 ソニー株式会社 画像変換装置および方法
US5611023A (en) * 1992-09-02 1997-03-11 Ricoh Company, Ltd. Apparatus and method for processing two-tone image data so as to smooth and magnify image
FR2695498B1 (fr) * 1992-09-10 1995-02-03 Bertin & Cie Procédé de traitement d'images, en particulier à des fins de mesure, de transformation ou de visualisation.
JPH0750752A (ja) * 1993-08-06 1995-02-21 Fuji Xerox Co Ltd 画像密度変換方法及び装置
DE19502997B4 (de) * 1994-02-01 2005-06-30 Ricoh Co., Ltd. Einrichtung und Verfahren zum Verarbeiten von Zweiton-Bilddaten
CA2148177A1 (en) * 1994-05-16 1995-11-17 Kent E. Biggs Method and apparatus for stretching bitmaps to non-integer multiples
TW377431B (en) 1995-04-14 1999-12-21 Hitachi Ltd Method and apparatus for changing resolution
US5703618A (en) * 1995-11-22 1997-12-30 Cirrus Logic, Inc. Method and apparatus for upscaling video images when pixel data used for upscaling a source video image are unavailable
KR100214332B1 (ko) * 1996-09-02 1999-08-02 윤종용 영상 배율 임의 변경 방법
JPH10105362A (ja) * 1996-09-30 1998-04-24 Toshiba Corp 携帯型情報機器および拡大表示制御方法
US5995648A (en) * 1997-03-18 1999-11-30 Cognex Corporation Image processing system and method using subsampling with constraints such as time and uncertainty constraints
US6018397A (en) * 1998-02-13 2000-01-25 Eastman Kodak Company Digital image processing with indication to user of hardcopy output image quality
US6208769B1 (en) * 1998-05-28 2001-03-27 Acuity Imaging, Llc Method of accurately locating the fractional position of a template match point
US7003176B1 (en) * 1999-05-06 2006-02-21 Ricoh Company, Ltd. Method, computer readable medium and apparatus for converting color image resolution
JP3676948B2 (ja) * 1999-07-07 2005-07-27 アルプス電気株式会社 画素数変換回路及びこれを用いた画像表示装置
KR100347013B1 (ko) * 2000-02-16 2002-08-03 한국과학기술원 연속 영역 필터링 및 보간 기법을 이용한 영상 스케일링방법 및 장치
JP2004527043A (ja) * 2001-03-30 2004-09-02 コダック ポリクロウム グラフィクス リミティド ライアビリティ カンパニー ソフトプルーフィングのための画像の自動化シャープニング方法
US7171059B1 (en) * 2002-05-23 2007-01-30 Pixelworks, Inc. Method and apparatus for two-dimensional image scaling
US7324709B1 (en) * 2001-07-13 2008-01-29 Pixelworks, Inc. Method and apparatus for two-dimensional image scaling
JP4060748B2 (ja) * 2002-05-07 2008-03-12 松下電器産業株式会社 画像角度検出装置それを備えた走査線補間装置
US20040165081A1 (en) * 2002-12-05 2004-08-26 Hiroyuki Shibaki Image processing apparatus, image processing system, and image processing method
EP1376381A1 (de) * 2003-02-12 2004-01-02 Agilent Technologies Inc Verfahren und System zur Datenabtastung
CN1324899C (zh) * 2003-11-25 2007-07-04 瑞昱半导体股份有限公司 图像放大的方法
US20050162670A1 (en) * 2004-01-27 2005-07-28 Shuler Robert L.Jr. Method for evaluating and recommending digital image print size with ordering and overlapped file upload
US7574071B2 (en) * 2004-10-05 2009-08-11 Seiko Epson Corporation Method and apparatus for resizing images
US7684640B2 (en) * 2005-10-20 2010-03-23 Sharp Laboratories Of America, Inc. Methods and systems for automatic digital image enhancement with local adjustment
US20070146392A1 (en) * 2005-12-28 2007-06-28 Xcpt, Inc. System and method for magnifying and editing objects
US8437581B2 (en) * 2011-03-04 2013-05-07 General Instrument Corporation Method and system for interpolating fractional video pixels
US20120230407A1 (en) 2011-03-11 2012-09-13 General Instrument Corporation Interpolation Filter Selection Using Prediction Index
WO2012178178A2 (en) 2011-06-24 2012-12-27 General Instrument Corporation Selection of phase offsets for interpolation filters for motion compensation
WO2013006573A1 (en) 2011-07-01 2013-01-10 General Instrument Corporation Joint sub-pixel interpolation filter for temporal prediction
US10009622B1 (en) 2015-12-15 2018-06-26 Google Llc Video coding with degradation of residuals

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4075663A (en) * 1975-03-19 1978-02-21 Dr. -Ing. Rudolf Hell Gmbh Method for the rastered reproduction of half-tone pictures providing changes in the individual picture elements during transfer from an original to a reproduction
JPS5897958A (ja) * 1981-12-04 1983-06-10 Konishiroku Photo Ind Co Ltd 画素密度変換による画像の拡大・縮小方法
JPS58141076A (ja) * 1982-02-15 1983-08-22 Konishiroku Photo Ind Co Ltd 画像拡大方法
US4680720A (en) * 1983-10-17 1987-07-14 Kabushiki Kaisha Toshiba Dot interpolation control system
JPS60172081A (ja) * 1984-02-16 1985-09-05 シャープ株式会社 拡大パタ−ン発生装置
JPS6145279A (ja) * 1984-08-09 1986-03-05 株式会社東芝 スム−ジング回路

Also Published As

Publication number Publication date
EP0336776A3 (de) 1992-04-08
DE68926890T2 (de) 1997-01-09
EP0336776A2 (de) 1989-10-11
CA1335794C (en) 1995-06-06
KR920001801B1 (ko) 1992-03-02
EP0336776B1 (de) 1996-07-31
KR890016831A (ko) 1989-11-30
US5511137A (en) 1996-04-23

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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