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DE69933436D1 - Bildverarbeitungsvorrichtung und -verfahren - Google Patents

Bildverarbeitungsvorrichtung und -verfahren

Info

Publication number
DE69933436D1
DE69933436D1 DE69933436T DE69933436T DE69933436D1 DE 69933436 D1 DE69933436 D1 DE 69933436D1 DE 69933436 T DE69933436 T DE 69933436T DE 69933436 T DE69933436 T DE 69933436T DE 69933436 D1 DE69933436 D1 DE 69933436D1
Authority
DE
Germany
Prior art keywords
processing apparatus
image processing
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
DE69933436T
Other languages
English (en)
Other versions
DE69933436T2 (de
Inventor
Kesatoshi Takeuchi
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.)
Seiko Epson Corp
Original Assignee
Seiko Epson 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 Seiko Epson Corp filed Critical Seiko Epson Corp
Application granted granted Critical
Publication of DE69933436D1 publication Critical patent/DE69933436D1/de
Publication of DE69933436T2 publication Critical patent/DE69933436T2/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
    • H04N9/00—Details of colour television systems
    • H04N9/12—Picture reproducers
    • H04N9/31—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM]
    • H04N9/3179—Video signal processing therefor
    • H04N9/3185—Geometric adjustment, e.g. keystone or convergence
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/74—Projection arrangements for image reproduction, e.g. using eidophor
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/74—Projection arrangements for image reproduction, e.g. using eidophor
    • H04N5/7416—Projection arrangements for image reproduction, e.g. using eidophor involving the use of a spatial light modulator, e.g. a light valve, controlled by a video signal
    • H04N5/7441—Projection arrangements for image reproduction, e.g. using eidophor involving the use of a spatial light modulator, e.g. a light valve, controlled by a video signal the modulator being an array of liquid crystal cells
    • H04N2005/745—Control circuits therefor

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Geometry (AREA)
  • Transforming Electric Information Into Light Information (AREA)
  • Projection Apparatus (AREA)
  • Liquid Crystal Display Device Control (AREA)
  • Control Of Indicators Other Than Cathode Ray Tubes (AREA)
  • Controls And Circuits For Display Device (AREA)
  • Image Processing (AREA)
DE69933436T 1998-02-18 1999-02-12 Bildverarbeitungsvorrichtung und -verfahren Expired - Lifetime DE69933436T2 (de)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
JP5453098 1998-02-18
JP5453098 1998-02-18
JP32458798A JP4089051B2 (ja) 1998-02-18 1998-10-28 画像処理装置および画像処理方法
JP32458798 1998-10-28
PCT/JP1999/000632 WO1999043155A1 (fr) 1998-02-18 1999-02-12 Dispositif et procede de traitement d'image

Publications (2)

Publication Number Publication Date
DE69933436D1 true DE69933436D1 (de) 2006-11-16
DE69933436T2 DE69933436T2 (de) 2007-08-16

Family

ID=26395286

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69933436T Expired - Lifetime DE69933436T2 (de) 1998-02-18 1999-02-12 Bildverarbeitungsvorrichtung und -verfahren

Country Status (8)

Country Link
US (1) US6450647B1 (de)
EP (2) EP1058452B1 (de)
JP (1) JP4089051B2 (de)
KR (1) KR100571988B1 (de)
CN (1) CN1241406C (de)
DE (1) DE69933436T2 (de)
TW (1) TW411699B (de)
WO (1) WO1999043155A1 (de)

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JP4493113B2 (ja) 1999-01-29 2010-06-30 株式会社リコー プロジェクタおよび投影画像補正装置
JP4252671B2 (ja) * 1999-05-21 2009-04-08 セイコーエプソン株式会社 投射型表示装置
JP2001034245A (ja) * 1999-07-21 2001-02-09 Mitsubishi Electric Corp 画像表示制御システム、画像信号発生装置および画像表示装置
JP4154820B2 (ja) * 1999-12-09 2008-09-24 三菱電機株式会社 画像表示装置のドットクロック調整方法およびドットクロック調整装置
US6922483B2 (en) * 1999-12-28 2005-07-26 Texas Instruments Incorporated Methods for measuring DMD low frequency spatial uniformity
JP3530443B2 (ja) * 2000-01-05 2004-05-24 三洋電機株式会社 表示装置
JP3826659B2 (ja) * 2000-03-27 2006-09-27 セイコーエプソン株式会社 投写表示システムおよび投写型表示装置
GB0022065D0 (en) * 2000-09-08 2000-10-25 Wynne Willson Gottelier Ltd Image projection apparatus
TW480362B (en) * 2000-09-14 2002-03-21 Delta Electronics Inc Automatic calibration method and device of the projector display
JP2002090880A (ja) * 2000-09-20 2002-03-27 Seiko Epson Corp プロジェクタ
TW493143B (en) * 2001-03-02 2002-07-01 Ulead Systems Inc Correction for perspective distortion image and method for artificial perspective distortion image
DE20109394U1 (de) 2001-06-06 2001-08-16 Carl Zeiss Jena Gmbh, 07745 Jena Projektionsanordnung
JP4756567B2 (ja) * 2001-07-12 2011-08-24 株式会社リコー 投射型表示装置の画像補正方法
JP2003150296A (ja) * 2001-11-14 2003-05-23 Nec Corp 端末装置、情報表示方法、およびそのプログラム
JP2003153135A (ja) * 2001-11-16 2003-05-23 Sanyo Electric Co Ltd 投射型表示装置
JP2003216130A (ja) * 2002-01-28 2003-07-30 Nec Viewtechnology Ltd ひずみ補正機能を備えた投写型表示装置
WO2003069556A1 (fr) 2002-02-15 2003-08-21 Fujitsu Limited Procede et dispositif de conversion d'image, dispositif de reconnaissance d'image, dispositif de commande robotisee et dispositif de projection d'image
US7093202B2 (en) * 2002-03-22 2006-08-15 Xerox Corporation Method and system for interpreting imprecise object selection paths
JP2004004284A (ja) * 2002-05-31 2004-01-08 Canon Inc 投射型表示装置
GB2396268B (en) * 2002-12-13 2006-04-12 Digital Projection Ltd Projection system
JP3541845B1 (ja) * 2003-02-17 2004-07-14 セイコーエプソン株式会社 プロジェクタの画像補正方法及びプロジェクタ
JP3846592B2 (ja) * 2003-06-26 2006-11-15 セイコーエプソン株式会社 画像処理システム、プロジェクタ、プログラム、情報記憶媒体および画像処理方法
JP3630166B2 (ja) * 2003-06-26 2005-03-16 セイコーエプソン株式会社 投写画像の歪補正量調整
US7001023B2 (en) * 2003-08-06 2006-02-21 Mitsubishi Electric Research Laboratories, Inc. Method and system for calibrating projectors to arbitrarily shaped surfaces with discrete optical sensors mounted at the surfaces
JP2005210418A (ja) * 2004-01-22 2005-08-04 Sanyo Electric Co Ltd 画像処理装置、画像処理方法、画像処理プログラム
CN100361519C (zh) * 2004-03-17 2008-01-09 扬明光学股份有限公司 显示装置的投影方法
JP3888465B2 (ja) * 2004-05-26 2007-03-07 セイコーエプソン株式会社 画像処理システム、プロジェクタおよび画像処理方法
US7379619B2 (en) * 2005-03-09 2008-05-27 Texas Instruments Incorporated System and method for two-dimensional keystone correction for aerial imaging
US7587660B2 (en) * 2005-04-22 2009-09-08 Kansas State University Research Foundation Multiple-access code generation
US7738712B2 (en) * 2006-01-04 2010-06-15 Aten International Co., Ltd. Mixing 2-D gradient-difference and interpolation/decimation method and device for scaling a digital image
EP1827003B1 (de) * 2006-02-22 2015-07-01 Océ-Technologies B.V. Verfahren zur Korrektur trapezoider Verzerrung von Bildern
CN101674391B (zh) * 2008-09-09 2011-11-30 青岛海信电器股份有限公司 一种crt电视机
JP4858532B2 (ja) * 2008-12-10 2012-01-18 セイコーエプソン株式会社 投射型表示装置及びその画像表示方法
JP5336939B2 (ja) * 2009-06-15 2013-11-06 キヤノン株式会社 画像処理装置、画像処理方法、及びプログラム
CN101916175B (zh) * 2010-08-20 2012-05-02 浙江大学 自适应于投影表面的智能投影方法
DE102011101004A1 (de) 2011-05-10 2015-08-13 Audi Ag Verfahren zum Bereitstellen einer Darstellung eines Gegenstandes auf einer Kraftfahrzeug-Anzeigeeinrichtung
JP5924020B2 (ja) * 2012-02-16 2016-05-25 セイコーエプソン株式会社 プロジェクター、及び、プロジェクターの制御方法
WO2014034683A1 (ja) * 2012-08-29 2014-03-06 京セラ株式会社 電子機器、情報提供システム、制御方法および制御プログラム
CN105404011B (zh) * 2015-12-24 2017-12-12 深圳点石创新科技有限公司 一种抬头显示器的3d图像校正方法以及抬头显示器
JP2019012361A (ja) * 2017-06-29 2019-01-24 キヤノン株式会社 情報処理装置、プログラム及び情報処理方法
JP2023061557A (ja) * 2021-10-20 2023-05-02 セイコーエプソン株式会社 画像投射方法及びプロジェクター

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5642225A (en) * 1979-09-14 1981-04-20 Fuji Xerox Co Ltd Original for oblique projection and its making device
JP2925777B2 (ja) * 1991-04-23 1999-07-28 三洋電機株式会社 液晶プロジェクタの歪み補正回路
JPH0537880A (ja) * 1991-07-15 1993-02-12 Sanyo Electric Co Ltd 歪み補正回路
JP2911316B2 (ja) * 1992-08-28 1999-06-23 三洋電機株式会社 液晶プロジェクタのあおり補正回路
JPH08102900A (ja) * 1994-10-03 1996-04-16 Sony Corp 液晶プロジェクタ装置
JP3506284B2 (ja) * 1995-04-12 2004-03-15 ソニー株式会社 プロジエクタ装置
JP2715994B2 (ja) * 1995-06-07 1998-02-18 日本電気株式会社 液晶プロジェクタの歪み補正回路
KR19990036087A (ko) * 1995-08-02 1999-05-25 크리트먼 어윈 엠 연결 리스트 구조 온스크린 디스플레이
KR100188218B1 (ko) * 1995-11-13 1999-06-01 전주범 투사형 화상표시시스템의 비대칭화면 보정위치제어 방법
JPH09200663A (ja) * 1995-11-13 1997-07-31 Daewoo Electron Co Ltd 投射型の画像表示システムでの非対称画像の先補償方法
JPH09149284A (ja) * 1995-11-20 1997-06-06 Hitachi Ltd 左右非対称歪補正回路
JP2939795B2 (ja) * 1995-11-24 1999-08-25 株式会社ナナオ ビデオモニタの調整システム
EP0777198A1 (de) * 1995-11-30 1997-06-04 Victor Company Of Japan, Limited Bildverarbeitungsvorrichtung
JP3050282B2 (ja) * 1996-03-06 2000-06-12 日本電気株式会社 液晶プロジェクタの歪み補正装置
JP2976877B2 (ja) * 1996-03-21 1999-11-10 日本電気株式会社 キーストン歪み補正装置
JPH09261569A (ja) * 1996-03-27 1997-10-03 Nec Corp キーストン歪み補正装置

Also Published As

Publication number Publication date
EP1711008A2 (de) 2006-10-11
DE69933436T2 (de) 2007-08-16
EP1058452A1 (de) 2000-12-06
JP4089051B2 (ja) 2008-05-21
CN1241406C (zh) 2006-02-08
KR20010024844A (ko) 2001-03-26
US6450647B1 (en) 2002-09-17
EP1711008A3 (de) 2007-10-10
TW411699B (en) 2000-11-11
JPH11305715A (ja) 1999-11-05
EP1058452A4 (de) 2005-05-11
WO1999043155A1 (fr) 1999-08-26
KR100571988B1 (ko) 2006-04-17
CN1291407A (zh) 2001-04-11
EP1058452B1 (de) 2006-10-04

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Legal Events

Date Code Title Description
8381 Inventor (new situation)

Inventor name: TAKEUCHI, KESATOSHI, SUWA-SHI, NAGANO-KEN 392-, JP

8364 No opposition during term of opposition