WO2008091356A3 - System and method for adaptive non-uniformity compensation for a focal plane array - Google Patents

System and method for adaptive non-uniformity compensation for a focal plane array Download PDF

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Publication number
WO2008091356A3
WO2008091356A3 PCT/US2007/070714 US2007070714W WO2008091356A3 WO 2008091356 A3 WO2008091356 A3 WO 2008091356A3 US 2007070714 W US2007070714 W US 2007070714W WO 2008091356 A3 WO2008091356 A3 WO 2008091356A3
Authority
WO
WIPO (PCT)
Prior art keywords
image signal
focal plane
plane array
corrected image
uniformity compensation
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.)
Ceased
Application number
PCT/US2007/070714
Other languages
French (fr)
Other versions
WO2008091356A2 (en
Inventor
Patrick M Kilgore
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.)
Raytheon Co
Original Assignee
Raytheon Co
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
Priority to JP2009526780A priority Critical patent/JP2010503279A/en
Priority to PL07872224T priority patent/PL2062432T3/en
Priority to AU2007345299A priority patent/AU2007345299B2/en
Priority to AT07872224T priority patent/ATE494729T1/en
Priority to NZ575499A priority patent/NZ575499A/en
Priority to EP07872224A priority patent/EP2062432B1/en
Priority to DK07872224.6T priority patent/DK2062432T3/en
Priority to CA2659847A priority patent/CA2659847C/en
Application filed by Raytheon Co filed Critical Raytheon Co
Priority to DE602007011782T priority patent/DE602007011782D1/en
Priority to KR1020097004362A priority patent/KR101379075B1/en
Publication of WO2008091356A2 publication Critical patent/WO2008091356A2/en
Publication of WO2008091356A3 publication Critical patent/WO2008091356A3/en
Priority to IL196759A priority patent/IL196759A/en
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T5/00—Image enhancement or restoration
    • G06T5/20—Image enhancement or restoration using local operators
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F41—WEAPONS
    • F41G—WEAPON SIGHTS; AIMING
    • F41G7/00—Direction control systems for self-propelled missiles
    • F41G7/20—Direction control systems for self-propelled missiles based on continuous observation of target position
    • F41G7/22—Homing guidance systems
    • F41G7/2213—Homing guidance systems maintaining the axis of an orientable seeking head pointed at the target, e.g. target seeking gyro
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F41—WEAPONS
    • F41G—WEAPON SIGHTS; AIMING
    • F41G7/00—Direction control systems for self-propelled missiles
    • F41G7/20—Direction control systems for self-propelled missiles based on continuous observation of target position
    • F41G7/22—Homing guidance systems
    • F41G7/2253—Passive homing systems, i.e. comprising a receiver and do not requiring an active illumination of the target
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F41—WEAPONS
    • F41G—WEAPON SIGHTS; AIMING
    • F41G7/00—Direction control systems for self-propelled missiles
    • F41G7/20—Direction control systems for self-propelled missiles based on continuous observation of target position
    • F41G7/22—Homing guidance systems
    • F41G7/2273—Homing guidance systems characterised by the type of waves
    • F41G7/2293—Homing guidance systems characterised by the type of waves using electromagnetic waves other than radio waves
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T5/00—Image enhancement or restoration
    • G06T5/70—Denoising; Smoothing
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T5/00—Image enhancement or restoration
    • G06T5/77—Retouching; Inpainting; Scratch removal
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V10/00—Arrangements for image or video recognition or understanding
    • G06V10/20—Image preprocessing
    • G06V10/30—Noise filtering
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N25/00—Circuitry of solid-state image sensors [SSIS]; Control thereof
    • H04N25/60—Noise processing, e.g. detecting, correcting, reducing or removing noise
    • H04N25/67—Noise processing, e.g. detecting, correcting, reducing or removing noise applied to fixed-pattern noise, e.g. non-uniformity of response
    • H04N25/671—Noise processing, e.g. detecting, correcting, reducing or removing noise applied to fixed-pattern noise, e.g. non-uniformity of response for non-uniformity detection or correction
    • H04N25/673—Noise processing, e.g. detecting, correcting, reducing or removing noise applied to fixed-pattern noise, e.g. non-uniformity of response for non-uniformity detection or correction by using reference sources
    • H04N25/674—Noise processing, e.g. detecting, correcting, reducing or removing noise applied to fixed-pattern noise, e.g. non-uniformity of response for non-uniformity detection or correction by using reference sources based on the scene itself, e.g. defocusing
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N25/00—Circuitry of solid-state image sensors [SSIS]; Control thereof
    • H04N25/60—Noise processing, e.g. detecting, correcting, reducing or removing noise
    • H04N25/68—Noise processing, e.g. detecting, correcting, reducing or removing noise applied to defects
    • H04N25/683—Noise processing, e.g. detecting, correcting, reducing or removing noise applied to defects by defect estimation performed on the scene signal, e.g. real time or on the fly detection
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2207/00—Indexing scheme for image analysis or image enhancement
    • G06T2207/20—Special algorithmic details
    • G06T2207/20024—Filtering details
    • G06T2207/20032—Median filtering

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Multimedia (AREA)
  • Theoretical Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Combustion & Propulsion (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Signal Processing (AREA)
  • Electromagnetism (AREA)
  • Image Processing (AREA)
  • Studio Devices (AREA)
  • Transforming Light Signals Into Electric Signals (AREA)
  • Viewfinders (AREA)
  • Analysing Materials By The Use Of Radiation (AREA)
  • Lens Barrels (AREA)
  • Eyeglasses (AREA)
  • Lenses (AREA)

Abstract

A method of reducing an amount of fixed pattern noise from an image signal generated by an image sensor (12). The method includes, for each operational pixel in the image signal, applying a recursively updated offset term to generate a corrected image signal. The offset correction terms are recursively updated by spatially filtering the corrected image signal for a current frame of the image signal; comparing the filtered corrected image signal of the current frame with a spatially filtered corrected image signal of a preceding frame of the image signal; and updating the offset correction terms with terms generated as a function of the comparison.
PCT/US2007/070714 2006-08-29 2007-06-08 System and method for adaptive non-uniformity compensation for a focal plane array Ceased WO2008091356A2 (en)

Priority Applications (11)

Application Number Priority Date Filing Date Title
DK07872224.6T DK2062432T3 (en) 2006-08-29 2007-06-08 System and method of adaptive non-uniform compensation for a focal plane array
AU2007345299A AU2007345299B2 (en) 2006-08-29 2007-06-08 System and method for adaptive non-uniformity compensation for a focal plane array
AT07872224T ATE494729T1 (en) 2006-08-29 2007-06-08 SYSTEM AND METHOD FOR ADAPTIVE NON-UNFORMITY COMPENSATION FOR A FOCAL PLANE ARRAY
NZ575499A NZ575499A (en) 2006-08-29 2007-06-08 System and method for adaptive non-uniformity compensation for a focal plane array
EP07872224A EP2062432B1 (en) 2006-08-29 2007-06-08 System and method for adaptive non-uniformity compensation for a focal plane array
CA2659847A CA2659847C (en) 2006-08-29 2007-06-08 System and method for adaptive non-uniformity compensation for a focal plane array
DE602007011782T DE602007011782D1 (en) 2006-08-29 2007-06-08 SYSTEM AND METHOD FOR ADAPTIVE INCOMPATIBILITY COMPENSATION FOR A FOCAL LENS ARRAY
JP2009526780A JP2010503279A (en) 2006-08-29 2007-06-08 System and method for non-uniformity compensation of focal plane array
PL07872224T PL2062432T3 (en) 2006-08-29 2007-06-08 System and method for adaptive non-uniformity compensation for a focal plane array
KR1020097004362A KR101379075B1 (en) 2006-08-29 2007-06-08 System and method for adaptive non-uniformity compensation for a focal plane array
IL196759A IL196759A (en) 2006-08-29 2009-01-27 System and method for adaptive non-uniformity compensation for a focal plane array

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US11/468,137 US7684634B2 (en) 2006-08-29 2006-08-29 System and method for adaptive non-uniformity compensation for a focal plane array
US11/468,137 2006-08-29

Publications (2)

Publication Number Publication Date
WO2008091356A2 WO2008091356A2 (en) 2008-07-31
WO2008091356A3 true WO2008091356A3 (en) 2008-10-02

Family

ID=39151616

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2007/070714 Ceased WO2008091356A2 (en) 2006-08-29 2007-06-08 System and method for adaptive non-uniformity compensation for a focal plane array

Country Status (14)

Country Link
US (1) US7684634B2 (en)
EP (1) EP2062432B1 (en)
JP (1) JP2010503279A (en)
KR (1) KR101379075B1 (en)
AT (1) ATE494729T1 (en)
AU (1) AU2007345299B2 (en)
CA (1) CA2659847C (en)
DE (1) DE602007011782D1 (en)
DK (1) DK2062432T3 (en)
ES (1) ES2359029T3 (en)
IL (1) IL196759A (en)
NZ (1) NZ575499A (en)
PL (1) PL2062432T3 (en)
WO (1) WO2008091356A2 (en)

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US9102776B1 (en) * 2012-03-05 2015-08-11 Flir Systems, Inc. Detection and mitigation of burn-in for thermal imaging systems
US9743057B2 (en) 2012-05-31 2017-08-22 Apple Inc. Systems and methods for lens shading correction
US9014504B2 (en) 2012-05-31 2015-04-21 Apple Inc. Systems and methods for highlight recovery in an image signal processor
US11089247B2 (en) 2012-05-31 2021-08-10 Apple Inc. Systems and method for reducing fixed pattern noise in image data
US8953882B2 (en) 2012-05-31 2015-02-10 Apple Inc. Systems and methods for determining noise statistics of image data
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US9142012B2 (en) 2012-05-31 2015-09-22 Apple Inc. Systems and methods for chroma noise reduction
US9025867B2 (en) 2012-05-31 2015-05-05 Apple Inc. Systems and methods for YCC image processing
US8872946B2 (en) 2012-05-31 2014-10-28 Apple Inc. Systems and methods for raw image processing
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US8917336B2 (en) 2012-05-31 2014-12-23 Apple Inc. Image signal processing involving geometric distortion correction
US9332239B2 (en) 2012-05-31 2016-05-03 Apple Inc. Systems and methods for RGB image processing
US9031319B2 (en) 2012-05-31 2015-05-12 Apple Inc. Systems and methods for luma sharpening
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Also Published As

Publication number Publication date
KR20090045305A (en) 2009-05-07
ATE494729T1 (en) 2011-01-15
WO2008091356A2 (en) 2008-07-31
NZ575499A (en) 2011-01-28
EP2062432B1 (en) 2011-01-05
US20080056606A1 (en) 2008-03-06
CA2659847C (en) 2012-01-17
EP2062432A2 (en) 2009-05-27
PL2062432T3 (en) 2011-06-30
US7684634B2 (en) 2010-03-23
DK2062432T3 (en) 2011-04-04
IL196759A (en) 2013-03-24
AU2007345299B2 (en) 2010-06-17
AU2007345299A1 (en) 2008-07-31
JP2010503279A (en) 2010-01-28
KR101379075B1 (en) 2014-03-28
DE602007011782D1 (en) 2011-02-17
ES2359029T3 (en) 2011-05-17
IL196759A0 (en) 2009-11-18
CA2659847A1 (en) 2008-07-31

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