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FR2860601B1 - METHOD FOR CORRECTING DISTORTION OF A LIQUID CRYSTAL IMAGER - Google Patents

METHOD FOR CORRECTING DISTORTION OF A LIQUID CRYSTAL IMAGER

Info

Publication number
FR2860601B1
FR2860601B1 FR0311727A FR0311727A FR2860601B1 FR 2860601 B1 FR2860601 B1 FR 2860601B1 FR 0311727 A FR0311727 A FR 0311727A FR 0311727 A FR0311727 A FR 0311727A FR 2860601 B1 FR2860601 B1 FR 2860601B1
Authority
FR
France
Prior art keywords
liquid crystal
correcting distortion
crystal imager
imager
correcting
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
FR0311727A
Other languages
French (fr)
Other versions
FR2860601A1 (en
Inventor
Olivier Rols
Jean Rene Verbeque
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.)
Thales SA
Original Assignee
Thales SA
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 Thales SA filed Critical Thales SA
Priority to FR0311727A priority Critical patent/FR2860601B1/en
Priority to PCT/EP2004/052422 priority patent/WO2005033774A1/en
Publication of FR2860601A1 publication Critical patent/FR2860601A1/en
Application granted granted Critical
Publication of FR2860601B1 publication Critical patent/FR2860601B1/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • G02B27/01—Head-up displays
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T5/00—Image enhancement or restoration
    • G06T5/80—Geometric correction
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N17/00—Diagnosis, testing or measuring for television systems or their details
    • H04N17/04—Diagnosis, testing or measuring for television systems or their details for receivers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N3/00—Scanning details of television systems; Combination thereof with generation of supply voltages
    • H04N3/10—Scanning details of television systems; Combination thereof with generation of supply voltages by means not exclusively optical-mechanical
    • H04N3/16—Scanning details of television systems; Combination thereof with generation of supply voltages by means not exclusively optical-mechanical by deflecting electron beam in cathode-ray tube, e.g. scanning corrections
    • H04N3/22—Circuits for controlling dimensions, shape or centering of picture on screen
    • H04N3/23—Distortion correction, e.g. for pincushion distortion correction, S-correction
    • H04N3/233—Distortion correction, e.g. for pincushion distortion correction, S-correction using active elements
    • H04N3/2335—Distortion correction, e.g. for pincushion distortion correction, S-correction using active elements with calculating means
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • G02B27/01—Head-up displays
    • G02B27/0101—Head-up displays characterised by optical features
    • G02B2027/011—Head-up displays characterised by optical features comprising device for correcting geometrical aberrations, distortion
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • G02B27/01—Head-up displays
    • G02B27/0101—Head-up displays characterised by optical features
    • G02B2027/014—Head-up displays characterised by optical features comprising information/image processing systems
    • 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
    • H04N5/7408—Direct viewing projectors, e.g. an image displayed on a video CRT or LCD display being projected on a screen

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • General Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Biomedical Technology (AREA)
  • General Health & Medical Sciences (AREA)
  • Optics & Photonics (AREA)
  • Theoretical Computer Science (AREA)
  • Image Processing (AREA)
  • Lenses (AREA)
FR0311727A 2003-10-07 2003-10-07 METHOD FOR CORRECTING DISTORTION OF A LIQUID CRYSTAL IMAGER Expired - Fee Related FR2860601B1 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
FR0311727A FR2860601B1 (en) 2003-10-07 2003-10-07 METHOD FOR CORRECTING DISTORTION OF A LIQUID CRYSTAL IMAGER
PCT/EP2004/052422 WO2005033774A1 (en) 2003-10-07 2004-10-04 Method for correcting for the distortion of a liquid crystal imager

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR0311727A FR2860601B1 (en) 2003-10-07 2003-10-07 METHOD FOR CORRECTING DISTORTION OF A LIQUID CRYSTAL IMAGER

Publications (2)

Publication Number Publication Date
FR2860601A1 FR2860601A1 (en) 2005-04-08
FR2860601B1 true FR2860601B1 (en) 2005-12-30

Family

ID=34307491

Family Applications (1)

Application Number Title Priority Date Filing Date
FR0311727A Expired - Fee Related FR2860601B1 (en) 2003-10-07 2003-10-07 METHOD FOR CORRECTING DISTORTION OF A LIQUID CRYSTAL IMAGER

Country Status (2)

Country Link
FR (1) FR2860601B1 (en)
WO (1) WO2005033774A1 (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ITBO20060027A1 (en) * 2006-01-17 2007-07-18 Ferrari Spa HUD SYSTEM CONTROL METHOD FOR A ROAD VEHICLE
DE102012010120A1 (en) * 2012-05-23 2013-11-28 Audi Ag Method for calibrating a head-up display
DE102013219556A1 (en) * 2013-09-27 2015-04-02 Continental Automotive Gmbh Method and device for controlling an image generation device of a head-up display
US9229228B2 (en) 2013-12-11 2016-01-05 Honeywell International Inc. Conformal capable head-up display
US10459224B2 (en) 2014-09-29 2019-10-29 Honeywell International Inc. High transmittance eyewear for head-up displays
US9606355B2 (en) 2014-09-29 2017-03-28 Honeywell International Inc. Apparatus and method for suppressing double images on a combiner head-up display

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0720125B1 (en) * 1994-12-29 2002-05-08 Koninklijke Philips Electronics N.V. Image forming apparatus and method for correcting optical geometrical distortions in an image
JPH10327373A (en) * 1997-05-26 1998-12-08 Mitsubishi Electric Corp Eyepiece video display
US6850211B2 (en) * 2001-11-08 2005-02-01 James Deppe Method for aligning a lens train assembly within a head-up display unit
TW536910B (en) * 2001-11-21 2003-06-11 Eerise Corp Image distortion correction method and device
FR2840491B1 (en) * 2002-05-31 2004-12-03 Thales Sa DEVICE FOR ELECTRONIC CORRECTION OF THE OPTICAL DISTORTIONS OF A COLLIMATED VISUALIZATION OBTAINED FROM A MATRIX DISPLAY

Also Published As

Publication number Publication date
FR2860601A1 (en) 2005-04-08
WO2005033774A1 (en) 2005-04-14

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Legal Events

Date Code Title Description
PLFP Fee payment

Year of fee payment: 14

ST Notification of lapse

Effective date: 20180629