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GB2317779B - Thermal sensing system having a fast response calibration device - Google Patents

Thermal sensing system having a fast response calibration device

Info

Publication number
GB2317779B
GB2317779B GB9726003A GB9726003A GB2317779B GB 2317779 B GB2317779 B GB 2317779B GB 9726003 A GB9726003 A GB 9726003A GB 9726003 A GB9726003 A GB 9726003A GB 2317779 B GB2317779 B GB 2317779B
Authority
GB
United Kingdom
Prior art keywords
sensing system
calibration device
fast response
thermal sensing
response calibration
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
GB9726003A
Other versions
GB2317779A (en
GB2317779B8 (en
GB9726003D0 (en
Inventor
Timothy Ashley
Charles Thomas Elliott
Neil Thomson Gordon
Ralph Stephen Hall
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.)
UK Secretary of State for Defence
Original Assignee
UK Secretary of State for Defence
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 claimed from GB9515682A external-priority patent/GB2303988A/en
Application filed by UK Secretary of State for Defence filed Critical UK Secretary of State for Defence
Priority to GB9726003A priority Critical patent/GB2317779B8/en
Publication of GB9726003D0 publication Critical patent/GB9726003D0/en
Publication of GB2317779A publication Critical patent/GB2317779A/en
Application granted granted Critical
Publication of GB2317779B publication Critical patent/GB2317779B/en
Publication of GB2317779B8 publication Critical patent/GB2317779B8/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N25/00—Circuitry of solid-state image sensors [SSIS]; Control thereof
    • H04N25/20—Circuitry of solid-state image sensors [SSIS]; Control thereof for transforming only infrared radiation into image signals
    • H04N25/21—Circuitry of solid-state image sensors [SSIS]; Control thereof for transforming only infrared radiation into image signals for transforming thermal infrared radiation into image signals

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Photometry And Measurement Of Optical Pulse Characteristics (AREA)
  • Radiation Pyrometers (AREA)
GB9726003A 1995-07-31 1996-07-29 Thermal sensing system having a fast response calibration device Expired - Fee Related GB2317779B8 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB9726003A GB2317779B8 (en) 1995-07-31 1996-07-29 Thermal sensing system having a fast response calibration device

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GB9515682A GB2303988A (en) 1995-07-31 1995-07-31 Thermal imaging system with detector array calibration mode
PCT/GB1996/001805 WO1997005742A1 (en) 1995-07-31 1996-07-29 Thermal sensing system having a fast response calibration device
GB9726003A GB2317779B8 (en) 1995-07-31 1996-07-29 Thermal sensing system having a fast response calibration device

Publications (4)

Publication Number Publication Date
GB9726003D0 GB9726003D0 (en) 1998-02-04
GB2317779A GB2317779A (en) 1998-04-01
GB2317779B true GB2317779B (en) 2000-01-19
GB2317779B8 GB2317779B8 (en) 2000-01-31

Family

ID=26307491

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9726003A Expired - Fee Related GB2317779B8 (en) 1995-07-31 1996-07-29 Thermal sensing system having a fast response calibration device

Country Status (1)

Country Link
GB (1) GB2317779B8 (en)

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4789788A (en) * 1987-01-15 1988-12-06 The Boeing Company Optically pumped radiation source
US4948964A (en) * 1988-01-14 1990-08-14 Texas Instruments Incorporated Artificial target for automatic gain normalization
US5023459A (en) * 1987-04-17 1991-06-11 Ford Aerospace & Communications Corporation Miniature multi-temperature radiometric reference
US5302824A (en) * 1992-12-01 1994-04-12 Hughes Aircraft Company Measurement of relative detector gain
EP0601534A1 (en) * 1992-12-07 1994-06-15 Hughes Aircraft Company Wide dynamic range non-uniformity compensation for infrared focal plane arrays
US5354987A (en) * 1992-12-07 1994-10-11 Texas Instruments Incorporated Calibrating focal plane arrays using multiple variable radiometric sources

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4789788A (en) * 1987-01-15 1988-12-06 The Boeing Company Optically pumped radiation source
US5023459A (en) * 1987-04-17 1991-06-11 Ford Aerospace & Communications Corporation Miniature multi-temperature radiometric reference
US4948964A (en) * 1988-01-14 1990-08-14 Texas Instruments Incorporated Artificial target for automatic gain normalization
US5302824A (en) * 1992-12-01 1994-04-12 Hughes Aircraft Company Measurement of relative detector gain
EP0601534A1 (en) * 1992-12-07 1994-06-15 Hughes Aircraft Company Wide dynamic range non-uniformity compensation for infrared focal plane arrays
US5354987A (en) * 1992-12-07 1994-10-11 Texas Instruments Incorporated Calibrating focal plane arrays using multiple variable radiometric sources

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
Optoelectronics, Instrumentation and Data Processing, no 4, 1989, USA, pp 92-95, Bolgov et al *

Also Published As

Publication number Publication date
GB2317779A (en) 1998-04-01
GB2317779B8 (en) 2000-01-31
GB9726003D0 (en) 1998-02-04

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Legal Events

Date Code Title Description
732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20080729