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GB2307125B - Adaptive Background Compensation Circuit For Optical Imaging Equipment - Google Patents

Adaptive Background Compensation Circuit For Optical Imaging Equipment

Info

Publication number
GB2307125B
GB2307125B GB8906521A GB8906521A GB2307125B GB 2307125 B GB2307125 B GB 2307125B GB 8906521 A GB8906521 A GB 8906521A GB 8906521 A GB8906521 A GB 8906521A GB 2307125 B GB2307125 B GB 2307125B
Authority
GB
United Kingdom
Prior art keywords
optical imaging
compensation circuit
imaging equipment
adaptive background
background 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.)
Expired - Fee Related
Application number
GB8906521A
Other versions
GB8906521D0 (en
GB2307125A (en
Inventor
Philip Pearson Robertson
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.)
BAE Systems PLC
Original Assignee
British Aerospace PLC
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 British Aerospace PLC filed Critical British Aerospace PLC
Priority to GB8906521A priority Critical patent/GB2307125B/en
Publication of GB8906521D0 publication Critical patent/GB8906521D0/en
Publication of GB2307125A publication Critical patent/GB2307125A/en
Application granted granted Critical
Publication of GB2307125B publication Critical patent/GB2307125B/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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/20—Cameras or camera modules comprising electronic image sensors; Control thereof for generating image signals from infrared radiation only

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Picture Signal Circuits (AREA)
GB8906521A 1989-03-21 1989-03-21 Adaptive Background Compensation Circuit For Optical Imaging Equipment Expired - Fee Related GB2307125B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB8906521A GB2307125B (en) 1989-03-21 1989-03-21 Adaptive Background Compensation Circuit For Optical Imaging Equipment

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB8906521A GB2307125B (en) 1989-03-21 1989-03-21 Adaptive Background Compensation Circuit For Optical Imaging Equipment

Publications (3)

Publication Number Publication Date
GB8906521D0 GB8906521D0 (en) 1996-11-27
GB2307125A GB2307125A (en) 1997-05-14
GB2307125B true GB2307125B (en) 1998-01-07

Family

ID=10653762

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8906521A Expired - Fee Related GB2307125B (en) 1989-03-21 1989-03-21 Adaptive Background Compensation Circuit For Optical Imaging Equipment

Country Status (1)

Country Link
GB (1) GB2307125B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6377209B1 (en) 1997-02-03 2002-04-23 Snaptrack, Inc. Method and apparatus for satellite positioning system (SPS) time measurement

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3944730A (en) * 1973-03-06 1976-03-16 Aga Aktiebolag Device for the elimination of the effect of background radiation on the image representation in an ir-camera
US3992106A (en) * 1974-09-30 1976-11-16 Rca Corporation Error cancelling scanning optical angle measurement system
EP0063841A2 (en) * 1981-04-29 1982-11-03 Philips Electronics Uk Limited Thermal imaging apparatus
GB2104336A (en) * 1981-08-20 1983-03-02 Rank Organisation Ltd Video signal processing in thermal imaging
GB2110899A (en) * 1981-12-02 1983-06-22 Xerox Corp Image scanning apparatus
EP0138579A2 (en) * 1983-10-14 1985-04-24 British Aerospace Public Limited Company Signal processor for matrix arrays
WO1987005177A2 (en) * 1986-02-18 1987-08-27 Hughes Aircraft Company Extremely high speed, real-time background filter for radiation detectors
US4692618A (en) * 1985-05-02 1987-09-08 Hughes Aircraft Company Detector signal conditioner
GB2205464A (en) * 1987-06-05 1988-12-07 Gec Avionics Image processing apparatus

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3944730A (en) * 1973-03-06 1976-03-16 Aga Aktiebolag Device for the elimination of the effect of background radiation on the image representation in an ir-camera
US3992106A (en) * 1974-09-30 1976-11-16 Rca Corporation Error cancelling scanning optical angle measurement system
EP0063841A2 (en) * 1981-04-29 1982-11-03 Philips Electronics Uk Limited Thermal imaging apparatus
GB2104336A (en) * 1981-08-20 1983-03-02 Rank Organisation Ltd Video signal processing in thermal imaging
GB2110899A (en) * 1981-12-02 1983-06-22 Xerox Corp Image scanning apparatus
EP0138579A2 (en) * 1983-10-14 1985-04-24 British Aerospace Public Limited Company Signal processor for matrix arrays
US4692618A (en) * 1985-05-02 1987-09-08 Hughes Aircraft Company Detector signal conditioner
WO1987005177A2 (en) * 1986-02-18 1987-08-27 Hughes Aircraft Company Extremely high speed, real-time background filter for radiation detectors
GB2205464A (en) * 1987-06-05 1988-12-07 Gec Avionics Image processing apparatus

Also Published As

Publication number Publication date
GB8906521D0 (en) 1996-11-27
GB2307125A (en) 1997-05-14

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19980407