DE69728918D1 - Verfahren und Gerät zur wirkungsvollen Bildinterpolation - Google Patents

Verfahren und Gerät zur wirkungsvollen Bildinterpolation

Info

Publication number
DE69728918D1
DE69728918D1 DE69728918T DE69728918T DE69728918D1 DE 69728918 D1 DE69728918 D1 DE 69728918D1 DE 69728918 T DE69728918 T DE 69728918T DE 69728918 T DE69728918 T DE 69728918T DE 69728918 D1 DE69728918 D1 DE 69728918D1
Authority
DE
Germany
Prior art keywords
effective image
image interpolation
interpolation
effective
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 - Lifetime
Application number
DE69728918T
Other languages
English (en)
Other versions
DE69728918T2 (de
Inventor
Lars U Borg
Shankar J Iyer
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.)
Adobe Inc
Original Assignee
Adobe Systems Inc
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 Adobe Systems Inc filed Critical Adobe Systems Inc
Application granted granted Critical
Publication of DE69728918D1 publication Critical patent/DE69728918D1/de
Publication of DE69728918T2 publication Critical patent/DE69728918T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Image Processing (AREA)
  • Controls And Circuits For Display Device (AREA)
  • Storing Facsimile Image Data (AREA)
  • Editing Of Facsimile Originals (AREA)
DE69728918T 1996-02-09 1997-02-06 Verfahren und Gerät zur wirkungsvollen Bildinterpolation Expired - Lifetime DE69728918T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/598,884 US6213653B1 (en) 1996-02-09 1996-02-09 Method and apparatus for efficiently interpolating an image using an expansion factor derived from two different numbers of gray levels
US598884 1996-02-09

Publications (2)

Publication Number Publication Date
DE69728918D1 true DE69728918D1 (de) 2004-06-09
DE69728918T2 DE69728918T2 (de) 2005-04-07

Family

ID=24397318

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69728918T Expired - Lifetime DE69728918T2 (de) 1996-02-09 1997-02-06 Verfahren und Gerät zur wirkungsvollen Bildinterpolation

Country Status (4)

Country Link
US (1) US6213653B1 (de)
EP (1) EP0789325B1 (de)
JP (1) JPH1093810A (de)
DE (1) DE69728918T2 (de)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TW377431B (en) * 1995-04-14 1999-12-21 Hitachi Ltd Method and apparatus for changing resolution
JP3433086B2 (ja) * 1998-01-22 2003-08-04 松下電器産業株式会社 画像変換方法および画像変換装置
US6677944B1 (en) * 1998-04-14 2004-01-13 Shima Seiki Manufacturing Limited Three-dimensional image generating apparatus that creates a three-dimensional model from a two-dimensional image by image processing
GB2355377A (en) * 1999-10-11 2001-04-18 Ctx Opto Electronics Corp Digital image scaling with automatic image quality adjustment
US7110144B2 (en) * 2001-09-05 2006-09-19 Xerox Corporation System and method of performing halftone gamma correction in a printing environment
US7636095B2 (en) * 2002-09-06 2009-12-22 Ati Technologies, Inc. Pixel delta interpolation method and apparatus
US8933971B2 (en) 2011-09-12 2015-01-13 Microsoft Corporation Scale factors for visual presentations
US20140368531A1 (en) * 2013-06-12 2014-12-18 Synaptics Incorporated Dynamic contrast enhancement using dithered gamma remapping
US9420256B2 (en) * 2013-12-17 2016-08-16 Shenzhen China Star Optoelectronics Technology Co., Ltd Image signal acquisition method and image signal acquisition device
US9773474B1 (en) 2015-08-03 2017-09-26 Amazon Technologies, Inc. Grey level-based page turn adjustment
KR102512828B1 (ko) * 2016-01-22 2023-03-22 삼성전자주식회사 이벤트 신호 처리 방법 및 장치

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100188439B1 (ko) * 1990-11-28 1999-06-01 윤종용 문서화상데이터의 해상도 및 계조변환장치
US5293254A (en) 1991-12-06 1994-03-08 Xerox Corporation Method for maintaining bit density while converting images in scale or resolution

Also Published As

Publication number Publication date
EP0789325A3 (de) 1998-05-13
DE69728918T2 (de) 2005-04-07
EP0789325A2 (de) 1997-08-13
EP0789325B1 (de) 2004-05-06
US6213653B1 (en) 2001-04-10
JPH1093810A (ja) 1998-04-10

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition