WO2008012557A3 - Processing method for coded aperture sensor - Google Patents

Processing method for coded aperture sensor Download PDF

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Publication number
WO2008012557A3
WO2008012557A3 PCT/GB2007/002867 GB2007002867W WO2008012557A3 WO 2008012557 A3 WO2008012557 A3 WO 2008012557A3 GB 2007002867 W GB2007002867 W GB 2007002867W WO 2008012557 A3 WO2008012557 A3 WO 2008012557A3
Authority
WO
WIPO (PCT)
Prior art keywords
coded aperture
processing method
processing
aperture sensor
bayesian
Prior art date
Application number
PCT/GB2007/002867
Other languages
French (fr)
Other versions
WO2008012557A2 (en
Inventor
Malcolm John Alexander Strens
Original Assignee
Qinetiq Ltd
Malcolm John Alexander Strens
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 Qinetiq Ltd, Malcolm John Alexander Strens filed Critical Qinetiq Ltd
Priority to US12/373,946 priority Critical patent/US8229165B2/en
Priority to JP2009522321A priority patent/JP2009545265A/en
Priority to AU2007279020A priority patent/AU2007279020B2/en
Priority to CA002658458A priority patent/CA2658458A1/en
Priority to EP07789073A priority patent/EP2047296A2/en
Publication of WO2008012557A2 publication Critical patent/WO2008012557A2/en
Publication of WO2008012557A3 publication Critical patent/WO2008012557A3/en

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Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01T—MEASUREMENT OF NUCLEAR OR X-RADIATION
    • G01T1/00—Measuring X-radiation, gamma radiation, corpuscular radiation, or cosmic radiation
    • G01T1/29—Measurement performed on radiation beams, e.g. position or section of the beam; Measurement of spatial distribution of radiation
    • G01T1/2914—Measurement of spatial distribution of radiation
    • G01T1/2921—Static instruments for imaging the distribution of radioactivity in one or two dimensions; Radio-isotope cameras
    • G01T1/295—Static instruments for imaging the distribution of radioactivity in one or two dimensions; Radio-isotope cameras using coded aperture devices, e.g. Fresnel zone plates

Abstract

This invention relates to a method of processing for a coded aperture imaging apparatus which is useful for target identification and tracking. The method uses a statistical scene model and, preferably using several frames of data, determines a likelihood of the position and/or velocity of one or more targets assumed to be in the scene. The method preferably applies a recursive Bayesian filter or Bayesian batch filter to determine a probability distribution of likely state parameters. The method of the present invention acts upon the acquired data directly without requiring any processing to form an image.
PCT/GB2007/002867 2006-07-28 2007-07-27 Processing method for coded aperture sensor WO2008012557A2 (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
US12/373,946 US8229165B2 (en) 2006-07-28 2007-07-27 Processing method for coded aperture sensor
JP2009522321A JP2009545265A (en) 2006-07-28 2007-07-27 Processing method for coded aperture sensors
AU2007279020A AU2007279020B2 (en) 2006-07-28 2007-07-27 Processing method for coded aperture sensor
CA002658458A CA2658458A1 (en) 2006-07-28 2007-07-27 Processing method for coded aperture sensor
EP07789073A EP2047296A2 (en) 2006-07-28 2007-07-27 Processing method for coded aperture sensor

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GBGB0615040.3A GB0615040D0 (en) 2006-07-28 2006-07-28 Processing method for coded apperture sensor
GB0615040.3 2006-07-28

Publications (2)

Publication Number Publication Date
WO2008012557A2 WO2008012557A2 (en) 2008-01-31
WO2008012557A3 true WO2008012557A3 (en) 2008-04-24

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/GB2007/002867 WO2008012557A2 (en) 2006-07-28 2007-07-27 Processing method for coded aperture sensor

Country Status (7)

Country Link
US (1) US8229165B2 (en)
EP (1) EP2047296A2 (en)
JP (1) JP2009545265A (en)
AU (1) AU2007279020B2 (en)
CA (1) CA2658458A1 (en)
GB (1) GB0615040D0 (en)
WO (1) WO2008012557A2 (en)

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Also Published As

Publication number Publication date
AU2007279020A1 (en) 2008-01-31
JP2009545265A (en) 2009-12-17
CA2658458A1 (en) 2008-01-31
US20090279737A1 (en) 2009-11-12
GB0615040D0 (en) 2006-09-06
AU2007279020B2 (en) 2012-12-13
EP2047296A2 (en) 2009-04-15
WO2008012557A2 (en) 2008-01-31
US8229165B2 (en) 2012-07-24

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