WO2008055621A3 - Image recording device - Google Patents

Image recording device Download PDF

Info

Publication number
WO2008055621A3
WO2008055621A3 PCT/EP2007/009494 EP2007009494W WO2008055621A3 WO 2008055621 A3 WO2008055621 A3 WO 2008055621A3 EP 2007009494 W EP2007009494 W EP 2007009494W WO 2008055621 A3 WO2008055621 A3 WO 2008055621A3
Authority
WO
WIPO (PCT)
Prior art keywords
spectral
scene
image recording
optical filter
spectral ranges
Prior art date
Application number
PCT/EP2007/009494
Other languages
German (de)
French (fr)
Other versions
WO2008055621A2 (en
Inventor
Klaus Bobey
Lutz Brekerbohm
Robert Burdick
Original Assignee
Hochschule Fuer Angewandte Wis
Klaus Bobey
Lutz Brekerbohm
Robert Burdick
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 Hochschule Fuer Angewandte Wis, Klaus Bobey, Lutz Brekerbohm, Robert Burdick filed Critical Hochschule Fuer Angewandte Wis
Publication of WO2008055621A2 publication Critical patent/WO2008055621A2/en
Publication of WO2008055621A3 publication Critical patent/WO2008055621A3/en

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J3/00—Spectrometry; Spectrophotometry; Monochromators; Measuring colours
    • G01J3/28—Investigating the spectrum
    • G01J3/30—Measuring the intensity of spectral lines directly on the spectrum itself
    • G01J3/32—Investigating bands of a spectrum in sequence by a single detector
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
    • G01N21/25—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
    • G01N21/255—Details, e.g. use of specially adapted sources, lighting or optical systems
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/10—Cameras or camera modules comprising electronic image sensors; Control thereof for generating image signals from different wavelengths
    • H04N23/11—Cameras or camera modules comprising electronic image sensors; Control thereof for generating image signals from different wavelengths for generating image signals from visible and infrared light wavelengths
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/10—Cameras or camera modules comprising electronic image sensors; Control thereof for generating image signals from different wavelengths
    • H04N23/13—Cameras or camera modules comprising electronic image sensors; Control thereof for generating image signals from different wavelengths with multiple sensors
    • 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
    • H04N23/74—Circuitry for compensating brightness variation in the scene by influencing the scene brightness using illuminating means
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N2209/00—Details of colour television systems
    • H04N2209/04—Picture signal generators
    • H04N2209/041—Picture signal generators using solid-state devices
    • H04N2209/042—Picture signal generators using solid-state devices having a single pick-up sensor
    • H04N2209/043—Picture signal generators using solid-state devices having a single pick-up sensor using an alternating colour separation filter, e.g. colour wheel or colour LCD

Abstract

The invention relates to an image recording device, comprising a camera (1) with at least one image recording sensor and an electronically controlled optical filter (2) in front of the image recording sensor, for multi-spectral recording of scenes in selected colour spectral ranges with a selector unit for selecting at least one scene part of a scene recorded by the camera (1) in a spectral range suitably large for selection of the at least one scene part and a controller (4) for controlling the electronically controlled optical filter (2) and the camera (1) such that a number of images of the same scene are recorded in selected spectral ranges. The controller (4) is suitable for matching the selection of spectral ranges selected by the control of the electronically-controllable optical filter (2) to the spectral characteristics of the selected scene parts and combination of the number of images taken in differing spectral ranges and matching control of the electronically controllable optical filter (2) for optimising the selection of spectral ranges depending on the result of the combination of the number of images.
PCT/EP2007/009494 2006-11-06 2007-10-31 Image recording device WO2008055621A2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102006052542.6 2006-11-06
DE102006052542A DE102006052542B4 (en) 2006-11-06 2006-11-06 Image capture device

Publications (2)

Publication Number Publication Date
WO2008055621A2 WO2008055621A2 (en) 2008-05-15
WO2008055621A3 true WO2008055621A3 (en) 2008-07-10

Family

ID=38984449

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2007/009494 WO2008055621A2 (en) 2006-11-06 2007-10-31 Image recording device

Country Status (2)

Country Link
DE (1) DE102006052542B4 (en)
WO (1) WO2008055621A2 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102015116568A1 (en) 2015-09-30 2017-03-30 Sick Ag Method for analyzing an object with an image acquisition unit in a factory or process automation and an image recording device for analyzing an object in the factory or process automation
WO2019058298A1 (en) * 2017-09-20 2019-03-28 Unispectral Ltd. Projector imaging system with auto-homing tunable filter

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5379065A (en) * 1992-06-22 1995-01-03 The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration Programmable hyperspectral image mapper with on-array processing
WO1996022511A1 (en) * 1995-01-19 1996-07-25 Northrop Grumman Corporation Real time spectroscopic imaging system and method
EP1051045A2 (en) * 1999-05-06 2000-11-08 Sharp Kabushiki Kaisha Method and system for field sequential color image capture
WO2001082229A1 (en) * 2000-04-27 2001-11-01 Physical Optics Corporation Real-time opto-electronic image processor
US20050157190A1 (en) * 2004-01-16 2005-07-21 Litton Systems, Inc. Combining multiple spectral bands to generate an image

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DD296175A5 (en) * 1988-11-29 1991-11-21 Adw Inst Fuer Kosmosforschung PROCESSOR SYSTEM FOR OBTAINING AND PROCESSING REMOTE DATA
US5479255A (en) * 1992-12-17 1995-12-26 Trw Inc. Multispectral signature extraction technique
US5528295A (en) * 1994-04-28 1996-06-18 Martin Marietta Corp. Color television camera using tunable optical filters
US5834203A (en) * 1997-08-25 1998-11-10 Applied Spectral Imaging Method for classification of pixels into groups according to their spectra using a plurality of wide band filters and hardwire therefore
DE19834718C2 (en) * 1998-07-31 2003-06-12 Fraunhofer Ges Forschung Digital image processing for a quality control system
DE19835951C2 (en) * 1998-08-08 2002-03-14 Bernhard Hill Multispectral color reproduction system with non-linear coding
DE10121984B4 (en) * 2001-04-27 2012-09-13 Color Aixperts Gmbh Method and device for the visually optimized display of color images on screens and / or their comparison with originals or printed images
US6825930B2 (en) * 2002-06-04 2004-11-30 Cambridge Research And Instrumentation, Inc. Multispectral imaging system
DE10358938B4 (en) * 2003-12-15 2006-06-29 Deutsches Zentrum für Luft- und Raumfahrt e.V. Method and device for the at least partially automated evaluation of remote sensing data

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5379065A (en) * 1992-06-22 1995-01-03 The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration Programmable hyperspectral image mapper with on-array processing
WO1996022511A1 (en) * 1995-01-19 1996-07-25 Northrop Grumman Corporation Real time spectroscopic imaging system and method
EP1051045A2 (en) * 1999-05-06 2000-11-08 Sharp Kabushiki Kaisha Method and system for field sequential color image capture
WO2001082229A1 (en) * 2000-04-27 2001-11-01 Physical Optics Corporation Real-time opto-electronic image processor
US20050157190A1 (en) * 2004-01-16 2005-07-21 Litton Systems, Inc. Combining multiple spectral bands to generate an image

Also Published As

Publication number Publication date
WO2008055621A2 (en) 2008-05-15
DE102006052542B4 (en) 2008-08-14
DE102006052542A1 (en) 2008-05-15

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