BR9606541A - Aparelho e processo para pré-compensação de uma imagem não simétrica em um sistema de projeção para a exibição de uma imagem - Google Patents

Aparelho e processo para pré-compensação de uma imagem não simétrica em um sistema de projeção para a exibição de uma imagem

Info

Publication number
BR9606541A
BR9606541A BR9606541A BR9606541A BR9606541A BR 9606541 A BR9606541 A BR 9606541A BR 9606541 A BR9606541 A BR 9606541A BR 9606541 A BR9606541 A BR 9606541A BR 9606541 A BR9606541 A BR 9606541A
Authority
BR
Brazil
Prior art keywords
image
compensation
display
projection system
symmetrical
Prior art date
Application number
BR9606541A
Other languages
English (en)
Inventor
Seong Jae Woo
Original Assignee
Daewoo Electronics Co 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
Application filed by Daewoo Electronics Co Ltd filed Critical Daewoo Electronics Co Ltd
Publication of BR9606541A publication Critical patent/BR9606541A/pt

Links

Classifications

    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Transforming Electric Information Into Light Information (AREA)
  • Projection Apparatus (AREA)
  • Details Of Television Scanning (AREA)
  • Video Image Reproduction Devices For Color Tv Systems (AREA)
  • Controls And Circuits For Display Device (AREA)
BR9606541A 1995-07-25 1996-07-22 Aparelho e processo para pré-compensação de uma imagem não simétrica em um sistema de projeção para a exibição de uma imagem BR9606541A (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR1019950022008A KR0173704B1 (ko) 1995-07-25 1995-07-25 투사형 화상표시시스템의 비대칭화면 보정장치
PCT/KR1996/000112 WO1997004634A2 (en) 1995-07-25 1996-07-22 Method and apparatus for pre-compensating an asymmetrical picture in a projection system for displaying a picture

Publications (1)

Publication Number Publication Date
BR9606541A true BR9606541A (pt) 1998-07-28

Family

ID=37068533

Family Applications (1)

Application Number Title Priority Date Filing Date
BR9606541A BR9606541A (pt) 1995-07-25 1996-07-22 Aparelho e processo para pré-compensação de uma imagem não simétrica em um sistema de projeção para a exibição de uma imagem

Country Status (16)

Country Link
US (1) US5664858A (pt)
EP (1) EP0756425A3 (pt)
JP (1) JPH10507332A (pt)
KR (1) KR0173704B1 (pt)
CN (1) CN1169228A (pt)
AR (1) AR003028A1 (pt)
AU (1) AU706332B2 (pt)
BR (1) BR9606541A (pt)
CA (1) CA2200863A1 (pt)
CZ (1) CZ83697A3 (pt)
HU (1) HUP9801147A3 (pt)
PE (1) PE22498A1 (pt)
PL (1) PL181365B1 (pt)
RU (1) RU2151416C1 (pt)
TW (1) TW326515B (pt)
WO (1) WO1997004634A2 (pt)

Families Citing this family (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH10333088A (ja) * 1997-05-28 1998-12-18 Canon Inc 投射画像の表示方法および投射型画像表示装置
DE19737374C2 (de) * 1997-08-27 1999-09-02 Ldt Gmbh & Co Verfahren zur Kompensation geometrischer Bildfehler bei Videobildern sowie ein Projektor zur Durchführung des Verfahrens
WO2000021282A1 (en) * 1998-10-02 2000-04-13 Macronix International Co., Ltd. Method and apparatus for preventing keystone distortion
US6191827B1 (en) * 1998-12-01 2001-02-20 Oplus Technologies Ltd. Electronic keystone correction for electronic devices with a visual display
US6305805B1 (en) * 1998-12-17 2001-10-23 Gateway, Inc. System, method and software for correcting keystoning of a projected image
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
EP1065560A1 (de) * 1999-07-02 2001-01-03 Optronik GmbH Potsdam Verfahren und Anordnung zur Projektion von Bildern unter spitzen Winkeln
JP3509652B2 (ja) * 1999-08-23 2004-03-22 日本電気株式会社 プロジェクタ装置
AU1648100A (en) * 1999-10-09 2001-04-23 Lutz Richter Device for projecting information onto an inclined surface
GB2370714B (en) * 1999-12-18 2003-06-04 Lg Electronics Inc Apparatus and method for correcting distortion of image and image displayer using the same
KR100414083B1 (ko) 1999-12-18 2004-01-07 엘지전자 주식회사 영상왜곡 보정방법 및 이를 이용한 영상표시기기
US6753907B1 (en) 1999-12-23 2004-06-22 Justsystem Corporation Method and apparatus for automatic keystone correction
US6511185B1 (en) * 2000-05-03 2003-01-28 Ati International Srl Method and apparatus for compensating a projected image
US6520647B2 (en) * 2000-08-17 2003-02-18 Mitsubishi Electric Research Laboratories Inc. Automatic keystone correction for projectors with arbitrary orientation
JP2002108322A (ja) * 2000-09-27 2002-04-10 Shadow Entertainment Inc 投影システム及び投影方法
US6481855B2 (en) 2001-01-12 2002-11-19 Infocus Corporation Keystone distortion correction system for use in multimedia projectors
DE10113835B4 (de) * 2001-03-21 2005-02-10 Carl Zeiss Jena Gmbh Projektionsanordnung zum Projizieren eines Bildes auf eine Projektionsfläche und Verfahren zum Ermitteln von nicht darzustellenden Bildpunkten eines Lichtmodulatorbildbereichs
JP3529369B2 (ja) * 2001-04-06 2004-05-24 Ｎｅｃビューテクノロジー株式会社 投写レンズシフト機構
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
KR20050080376A (ko) * 2004-02-09 2005-08-12 삼성전자주식회사 투사광학계 및 그것을 갖는 화상 투사 장치
US8619901B2 (en) 2008-04-25 2013-12-31 Sharp Laboratories Of America, Inc. Systems and methods for providing unequal message protection
JP5744418B2 (ja) * 2010-05-18 2015-07-08 キヤノン株式会社 投影装置及び投影方法
JP5671901B2 (ja) * 2010-09-15 2015-02-18 セイコーエプソン株式会社 投射型表示装置およびその制御方法
RU2630424C2 (ru) * 2013-01-22 2017-09-07 Сони Корпорейшн Проекционное устройство отображения изображения, устройство обработки изображения и способ обработки изображения и компьютерная программа
KR102281834B1 (ko) * 2020-07-24 2021-07-26 주식회사 레티널 증강 현실용 화상의 영상 보정 장치

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
US4747155A (en) * 1986-09-02 1988-05-24 Loral Corporation Motion compensation for electro-optical camera imagery
JP2701471B2 (ja) * 1989-08-24 1998-01-21 日本ビクター株式会社 液晶ライトバルブを用いた画像投影機の台形歪補正回路
US5117243A (en) * 1990-04-06 1992-05-26 S&R Tech Development, Inc. Scanner with electronic non-linearity compensation and method of processing image data
JPH04181935A (ja) * 1990-11-16 1992-06-29 Canon Inc 自動焦点検出手段を有した光学装置
US5283602A (en) 1990-12-29 1994-02-01 Goldstar Co., Ltd. Optical system for projector
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
JPH04355740A (ja) * 1991-06-03 1992-12-09 Hitachi Ltd プロジェクタ
US5311329A (en) * 1991-08-28 1994-05-10 Silicon Graphics, Inc. Digital filtering for lenticular printing
GB2264416B (en) * 1992-02-17 1995-07-12 Sony Broadcast & Communication Digital video signal processing
GB2265064B (en) * 1992-02-26 1995-08-23 Rank Cintel Ltd Projection systems
JPH05297341A (ja) * 1992-04-21 1993-11-12 Victor Co Of Japan Ltd 投射型表示装置
JP3157315B2 (ja) * 1992-11-19 2001-04-16 三洋電機株式会社 垂直あおり補正装置
JPH06258714A (ja) * 1993-03-05 1994-09-16 Fuji Photo Optical Co Ltd オーバーヘッドプロジェクター
US5355188A (en) 1993-09-09 1994-10-11 In Focus Systems, Inc. Method and apparatus for distortion correction in optical projectors
JPH07181923A (ja) * 1993-12-22 1995-07-21 Matsushita Electric Ind Co Ltd 液晶プロジェクタ

Also Published As

Publication number Publication date
PL319435A1 (en) 1997-08-04
AR003028A1 (es) 1998-05-27
TW326515B (en) 1998-02-11
RU2151416C1 (ru) 2000-06-20
HUP9801147A3 (en) 2002-07-29
WO1997004634A2 (en) 1997-02-13
CN1169228A (zh) 1997-12-31
KR970009326A (ko) 1997-02-24
US5664858A (en) 1997-09-09
EP0756425A3 (en) 1998-10-14
PL181365B1 (en) 2001-07-31
AU706332B2 (en) 1999-06-17
CA2200863A1 (en) 1997-02-13
PE22498A1 (es) 1998-05-04
JPH10507332A (ja) 1998-07-14
CZ83697A3 (en) 1997-07-16
AU6532596A (en) 1997-02-26
KR0173704B1 (ko) 1999-03-20
EP0756425A2 (en) 1997-01-29
HUP9801147A2 (hu) 1998-08-28
WO1997004634A3 (en) 1997-03-06

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