GB2395551B - Surveillance system - Google Patents

Surveillance system

Info

Publication number
GB2395551B
GB2395551B GB0226939A GB0226939A GB2395551B GB 2395551 B GB2395551 B GB 2395551B GB 0226939 A GB0226939 A GB 0226939A GB 0226939 A GB0226939 A GB 0226939A GB 2395551 B GB2395551 B GB 2395551B
Authority
GB
United Kingdom
Prior art keywords
surveillance system
surveillance
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
GB0226939A
Other versions
GB2395551A (en
GB0226939D0 (en
Inventor
Michael Mainds
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.)
Baxall Ltd
Original Assignee
Baxall Ltd
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 Baxall Ltd filed Critical Baxall Ltd
Priority to GB0226939A priority Critical patent/GB2395551B/en
Publication of GB0226939D0 publication Critical patent/GB0226939D0/en
Publication of GB2395551A publication Critical patent/GB2395551A/en
Application granted granted Critical
Publication of GB2395551B publication Critical patent/GB2395551B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B13/00—Burglar, theft or intruder alarms
    • G08B13/18—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength
    • G08B13/189—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength using passive radiation detection systems
    • G08B13/194—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength using passive radiation detection systems using image scanning and comparing systems
    • G08B13/196—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength using passive radiation detection systems using image scanning and comparing systems using television cameras
    • G08B13/19602—Image analysis to detect motion of the intruder, e.g. by frame subtraction
    • G08B13/1961—Movement detection not involving frame subtraction, e.g. motion detection on the basis of luminance changes in the image
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T7/00—Image analysis
    • G06T7/80—Analysis of captured images to determine intrinsic or extrinsic camera parameters, i.e. camera calibration
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/18—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast
    • H04N7/181—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast for receiving images from a plurality of remote sources

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Theoretical Computer Science (AREA)
  • Closed-Circuit Television Systems (AREA)
GB0226939A 2002-11-19 2002-11-19 Surveillance system Expired - Fee Related GB2395551B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB0226939A GB2395551B (en) 2002-11-19 2002-11-19 Surveillance system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB0226939A GB2395551B (en) 2002-11-19 2002-11-19 Surveillance system

Publications (3)

Publication Number Publication Date
GB0226939D0 GB0226939D0 (en) 2002-12-24
GB2395551A GB2395551A (en) 2004-05-26
GB2395551B true GB2395551B (en) 2005-10-05

Family

ID=9948094

Family Applications (1)

Application Number Title Priority Date Filing Date
GB0226939A Expired - Fee Related GB2395551B (en) 2002-11-19 2002-11-19 Surveillance system

Country Status (1)

Country Link
GB (1) GB2395551B (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2709064B1 (en) 2012-07-18 2019-06-26 AGT International GmbH Image processing to derive movement characteristics for a plurality of queue objects
EP2709058B1 (en) 2012-07-18 2015-09-02 AGT International GmbH Calibration of camera-based surveillance systems
US9942450B2 (en) 2014-07-11 2018-04-10 Agt International Gmbh Automatic time signature-based video matching for a camera network
GB201509387D0 (en) * 2015-06-01 2015-07-15 Apical Ltd Method and apparatus for image processing (distance detection)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0869596A (en) * 1994-08-29 1996-03-12 Fujitsu Ltd Traffic monitoring device
JPH0991433A (en) * 1995-09-28 1997-04-04 Fuji Electric Co Ltd Object monitor
JP2002232869A (en) * 2001-02-02 2002-08-16 Mitsubishi Electric Corp Calibration method for camera

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0869596A (en) * 1994-08-29 1996-03-12 Fujitsu Ltd Traffic monitoring device
JPH0991433A (en) * 1995-09-28 1997-04-04 Fuji Electric Co Ltd Object monitor
JP2002232869A (en) * 2001-02-02 2002-08-16 Mitsubishi Electric Corp Calibration method for camera

Also Published As

Publication number Publication date
GB2395551A (en) 2004-05-26
GB0226939D0 (en) 2002-12-24

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Legal Events

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

Effective date: 20071119