FR2866714A1 - Image capturing method for use in field of e.g. visible spectral band, involves selecting, according to parameter, signal emitted by one sensor, and utilizing selected signals as signal of captured image - Google Patents

Image capturing method for use in field of e.g. visible spectral band, involves selecting, according to parameter, signal emitted by one sensor, and utilizing selected signals as signal of captured image

Info

Publication number
FR2866714A1
FR2866714A1 FR0401744A FR0401744A FR2866714A1 FR 2866714 A1 FR2866714 A1 FR 2866714A1 FR 0401744 A FR0401744 A FR 0401744A FR 0401744 A FR0401744 A FR 0401744A FR 2866714 A1 FR2866714 A1 FR 2866714A1
Authority
FR
France
Prior art keywords
signal
image
parameter
sensor
capturing method
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.)
Granted
Application number
FR0401744A
Other languages
French (fr)
Other versions
FR2866714B1 (en
Inventor
Jean Claude Robin
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to FR0401744A priority Critical patent/FR2866714B1/en
Priority to EP04821737A priority patent/EP1716442A1/en
Priority to PCT/FR2004/002578 priority patent/WO2005091042A1/en
Publication of FR2866714A1 publication Critical patent/FR2866714A1/en
Priority to IL177573A priority patent/IL177573A0/en
Application granted granted Critical
Publication of FR2866714B1 publication Critical patent/FR2866714B1/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
    • G02B27/10—Beam splitting or combining systems
    • G02B27/1006—Beam splitting or combining systems for splitting or combining different wavelengths
    • G02B27/1013—Beam splitting or combining systems for splitting or combining different wavelengths for colour or multispectral image sensors, e.g. splitting an image into monochromatic image components on respective sensors
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B23/00—Telescopes, e.g. binoculars; Periscopes; Instruments for viewing the inside of hollow bodies; Viewfinders; Optical aiming or sighting devices
    • G02B23/12—Telescopes, e.g. binoculars; Periscopes; Instruments for viewing the inside of hollow bodies; Viewfinders; Optical aiming or sighting devices with means for image conversion or intensification
    • 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
    • G02B27/10—Beam splitting or combining systems
    • G02B27/14—Beam splitting or combining systems operating by reflection only
    • G02B27/144—Beam splitting or combining systems operating by reflection only using partially transparent surfaces without spectral selectivity
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/70—Circuitry for compensating brightness variation in the scene
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/30—Transforming light or analogous information into electric information
    • H04N5/33—Transforming infrared radiation
    • 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
    • G02B27/10—Beam splitting or combining systems
    • G02B27/14—Beam splitting or combining systems operating by reflection only

Abstract

The method involves projecting an image in a manner to divide projected image into two complementary fractions according to sensitivity of sensors (C1, C2). The fractions are respectively applied on sensors through separated optical paths. A parameter relative to luminance of an image to be captured is detected. Signal emitted by one sensor is selected according to the detected parameter and is utilized as signal of captured image. An independent claim is also included for a device for implementing an image capturing method.
FR0401744A 2004-02-19 2004-02-19 METHOD AND DEVICE FOR CAPTURING IMAGES WITH HIGH DYNAMIC LIGHT LEVEL Expired - Fee Related FR2866714B1 (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
FR0401744A FR2866714B1 (en) 2004-02-19 2004-02-19 METHOD AND DEVICE FOR CAPTURING IMAGES WITH HIGH DYNAMIC LIGHT LEVEL
EP04821737A EP1716442A1 (en) 2004-02-19 2004-10-12 Method and device for capturing images with large lighting dynamics
PCT/FR2004/002578 WO2005091042A1 (en) 2004-02-19 2004-10-12 Method and device for capturing images with large lighting dynamics
IL177573A IL177573A0 (en) 2004-02-19 2006-08-17 Method and device for capturing images with large lighting dynamics

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR0401744A FR2866714B1 (en) 2004-02-19 2004-02-19 METHOD AND DEVICE FOR CAPTURING IMAGES WITH HIGH DYNAMIC LIGHT LEVEL

Publications (2)

Publication Number Publication Date
FR2866714A1 true FR2866714A1 (en) 2005-08-26
FR2866714B1 FR2866714B1 (en) 2006-08-25

Family

ID=34833955

Family Applications (1)

Application Number Title Priority Date Filing Date
FR0401744A Expired - Fee Related FR2866714B1 (en) 2004-02-19 2004-02-19 METHOD AND DEVICE FOR CAPTURING IMAGES WITH HIGH DYNAMIC LIGHT LEVEL

Country Status (4)

Country Link
EP (1) EP1716442A1 (en)
FR (1) FR2866714B1 (en)
IL (1) IL177573A0 (en)
WO (1) WO2005091042A1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1906432A1 (en) 2006-09-26 2008-04-02 Thales Correction of the distortion of an image intensifier electron tube

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4170400A (en) * 1977-07-05 1979-10-09 Bert Bach Wide angle view optical system
DD236811A1 (en) * 1985-05-02 1986-06-18 Zeiss Jena Veb Carl METHOD AND ARRANGEMENT FOR THE OPTOELECTRONIC INFORMATION EFFECT OF CONTRASTING OBJECT STRUCTURES USING CCD COMPONENTS
EP0343634A2 (en) * 1988-05-24 1989-11-29 Fujitsu Limited Video signal mixing device of infrared/visible integrated imaging apparatus
FR2658685A1 (en) * 1990-02-16 1991-08-23 Scanera Sc Ste Civile Rech Camera with very wide dynamic range
US5729010A (en) * 1996-09-11 1998-03-17 The United States Of America As Represented By The Secretary Of The Air Force Night vision device localized irradiance attenuation
EP1158787A1 (en) * 2000-05-26 2001-11-28 Thales Device and analysis method of one or several wide dynamic range signals

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20030048493A1 (en) * 2001-09-10 2003-03-13 Pontifex Brian Decoursey Two sensor quantitative low-light color camera
IL153967A (en) * 2003-01-15 2014-01-30 Elbit Systems Ltd Versatile camera for various visibility conditions

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4170400A (en) * 1977-07-05 1979-10-09 Bert Bach Wide angle view optical system
DD236811A1 (en) * 1985-05-02 1986-06-18 Zeiss Jena Veb Carl METHOD AND ARRANGEMENT FOR THE OPTOELECTRONIC INFORMATION EFFECT OF CONTRASTING OBJECT STRUCTURES USING CCD COMPONENTS
EP0343634A2 (en) * 1988-05-24 1989-11-29 Fujitsu Limited Video signal mixing device of infrared/visible integrated imaging apparatus
FR2658685A1 (en) * 1990-02-16 1991-08-23 Scanera Sc Ste Civile Rech Camera with very wide dynamic range
US5729010A (en) * 1996-09-11 1998-03-17 The United States Of America As Represented By The Secretary Of The Air Force Night vision device localized irradiance attenuation
EP1158787A1 (en) * 2000-05-26 2001-11-28 Thales Device and analysis method of one or several wide dynamic range signals

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1906432A1 (en) 2006-09-26 2008-04-02 Thales Correction of the distortion of an image intensifier electron tube
EP1906432B1 (en) * 2006-09-26 2011-04-27 Thales Correction of the distortion of an image intensifier electron tube

Also Published As

Publication number Publication date
FR2866714B1 (en) 2006-08-25
EP1716442A1 (en) 2006-11-02
IL177573A0 (en) 2006-12-10
WO2005091042A1 (en) 2005-09-29

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Legal Events

Date Code Title Description
AU Other action affecting the ownership or exploitation of an industrial property right
TQ Partial transmission of property
CD Change of name or company name
TQ Partial transmission of property
ST Notification of lapse

Effective date: 20131031