EP0544770A1 - Überwachungssystem. - Google Patents

Überwachungssystem.

Info

Publication number
EP0544770A1
EP0544770A1 EP91915509A EP91915509A EP0544770A1 EP 0544770 A1 EP0544770 A1 EP 0544770A1 EP 91915509 A EP91915509 A EP 91915509A EP 91915509 A EP91915509 A EP 91915509A EP 0544770 A1 EP0544770 A1 EP 0544770A1
Authority
EP
European Patent Office
Prior art keywords
sensor
reflector
view
surveillance system
field
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.)
Granted
Application number
EP91915509A
Other languages
English (en)
French (fr)
Other versions
EP0544770B1 (de
Inventor
David John Allen
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.)
Lockheed Martin UK Ampthill Ltd
Original Assignee
Hunting Engineering 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 Hunting Engineering Ltd filed Critical Hunting Engineering Ltd
Publication of EP0544770A1 publication Critical patent/EP0544770A1/de
Application granted granted Critical
Publication of EP0544770B1 publication Critical patent/EP0544770B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • G08B13/19617—Surveillance camera constructional details
    • G08B13/19626—Surveillance camera constructional details optical details, e.g. lenses, mirrors or multiple lenses
    • 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
    • G08B13/19—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 infrared-radiation detection systems
    • G08B13/193—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 infrared-radiation detection systems using focusing means
    • 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
    • G08B13/19617—Surveillance camera constructional details
    • G08B13/1963—Arrangements allowing camera rotation to change view, e.g. pivoting camera, pan-tilt and zoom [PTZ]

Definitions

  • some or all channels may be multiplexed into one display, so that an operator views different areas by switching between channels.
  • events may be completely missed simply because the relevant camera view picking up the event was not on the display or was not being observed at the time of the event.
  • a surveillance system so configured that the moving masses for pan and tilt are minimal in order to enhance speed of scan and for the moving elements to be enclosed to prevent their observation.
  • the system as a whole should preferably be potentially compatible with advanced, computer supported processing and display technology and be able to compete effectively in terms of operating costs and reliability with human operators.
  • the reflector is formed to have a sufficient elevational field of view to not require movement and the reflector is only mounted for azimuthal rotation.
  • the sensor may be rotated or translated. It is particularly convenient to utilise sensor translation to provide change in monitored elevation. This may be achieved by the reflector providing a larger field of view, at least in elevation, than the sensor area.
  • the senor may comprise a group of sensors or a sensor having separately operable zones, and different areas may be activated instead of sensor movement.
  • Figure 1 illustrates an embodiment of the invention having a fixed camera and moving plane mirror
  • Figure 3 shows a further embodiment with a fixed camera and a . series of faceted mirrors
  • Figure 4 shows another embodiment with a fixed camera and a single complex mirror.
  • the detailed method by which such translation can be achieved is not, of itself, a feature of this invention.
  • One method is to store each frame of image data in a digital frame store, and then to read out the data in the required staggered sequence to counteract the image rotation on the sensor and present an erect image to the viewer.
  • the delays imposed by such processing are small and the final image is capable of presentation in a substantially real time basis.
  • the multi-faceted mirrors may be rotated continuously at a high speed, and the nearest of the sensors angularly relocated to define an effective and required line of sight. Since the mirrors would under this condition be rotating, the corresponding images would describe a circle in the plane of the sensors, and it would be necessary to gate or strobe the selected sensor to produce a 'snapshot' of the image acceptably free from movement and blur.
  • a strobe may eliminate the need for graphic rotation. Stroboscopic monitoring of the sensor may be provided within the graphics processor.
  • Images from a mirror of this type may be difficult to comprehend directly as a display by an observer, but could be used by an automatic processing system to detect significant changes or movement in scene detail such as the advent of intruders. This may be achieved by automatic frame comparison techniques.
  • a fast slewing mirror as described with respect to Figures 1 or 2 could then be quickly directed to the coordinates of any such disturbance to facilitate closer examination.
  • the graphics processing device provides the signals to the fast slewing mirror and displays either the image from that mirror or a readout indicative of information relating to the frame comparison.

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Closed-Circuit Television Systems (AREA)
  • Studio Devices (AREA)
EP91915509A 1990-08-25 1991-08-22 Überwachungssystem Expired - Lifetime EP0544770B1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GB909018709A GB9018709D0 (en) 1990-08-25 1990-08-25 Surveillance devices
GB9018709 1990-08-25
PCT/GB1991/001425 WO1992003806A1 (en) 1990-08-25 1991-08-22 Surveillance system

Publications (2)

Publication Number Publication Date
EP0544770A1 true EP0544770A1 (de) 1993-06-09
EP0544770B1 EP0544770B1 (de) 1997-01-08

Family

ID=10681244

Family Applications (1)

Application Number Title Priority Date Filing Date
EP91915509A Expired - Lifetime EP0544770B1 (de) 1990-08-25 1991-08-22 Überwachungssystem

Country Status (4)

Country Link
EP (1) EP0544770B1 (de)
DE (1) DE69124097T2 (de)
GB (2) GB9018709D0 (de)
WO (1) WO1992003806A1 (de)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4416589A1 (de) * 1994-05-11 1995-11-16 Zeiss Carl Fa Bildaufnahme- und Wiedergabesystem
DE19757497C2 (de) * 1997-12-23 2002-07-11 Deutsch Zentr Luft & Raumfahrt Optische Überwachungsvorrichtung
KR20020068330A (ko) * 2000-08-25 2002-08-27 코닌클리케 필립스 일렉트로닉스 엔.브이. 디지털 이미지 내의 관심 객체를 추적하기 위한 방법 및장치
US7168618B2 (en) 2004-08-12 2007-01-30 International Business Machines Corporation Retail store method and system
US9361623B2 (en) 2007-04-03 2016-06-07 International Business Machines Corporation Preferred customer marketing delivery based on biometric data for a customer
US9626684B2 (en) 2007-04-03 2017-04-18 International Business Machines Corporation Providing customized digital media marketing content directly to a customer
US8775238B2 (en) 2007-04-03 2014-07-08 International Business Machines Corporation Generating customized disincentive marketing content for a customer based on customer risk assessment
US8831972B2 (en) 2007-04-03 2014-09-09 International Business Machines Corporation Generating a customer risk assessment using dynamic customer data
US9031858B2 (en) 2007-04-03 2015-05-12 International Business Machines Corporation Using biometric data for a customer to improve upsale ad cross-sale of items
US8639563B2 (en) 2007-04-03 2014-01-28 International Business Machines Corporation Generating customized marketing messages at a customer level using current events data
US9092808B2 (en) 2007-04-03 2015-07-28 International Business Machines Corporation Preferred customer marketing delivery based on dynamic data for a customer
US9031857B2 (en) 2007-04-03 2015-05-12 International Business Machines Corporation Generating customized marketing messages at the customer level based on biometric data
US9685048B2 (en) 2007-04-03 2017-06-20 International Business Machines Corporation Automatically generating an optimal marketing strategy for improving cross sales and upsales of items
US8812355B2 (en) 2007-04-03 2014-08-19 International Business Machines Corporation Generating customized marketing messages for a customer using dynamic customer behavior data
US9846883B2 (en) 2007-04-03 2017-12-19 International Business Machines Corporation Generating customized marketing messages using automatically generated customer identification data
US8019661B2 (en) 2007-11-26 2011-09-13 International Business Machines Corporation Virtual web store with product images
US8065200B2 (en) 2007-11-26 2011-11-22 International Business Machines Corporation Virtual web store with product images
US8253727B2 (en) 2008-03-14 2012-08-28 International Business Machines Corporation Creating a web store using manufacturing data

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2012045B (en) * 1977-12-22 1982-07-21 Carbocraft Ltd Infrared surveillance systems
DE2847233C2 (de) * 1978-10-30 1983-12-01 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Verfahren zum Auffinden und Identifizieren horizontnaher modulierter Strahlungsquellen
US4375034A (en) * 1980-07-28 1983-02-22 American District Telegraph Company Passive infrared intrusion detection system
GB2097625B (en) * 1981-04-23 1985-06-19 Ferranti Ltd Airborne observation device
GB2149258B (en) * 1983-11-04 1987-03-11 Ferranti Plc Image correction system
GB2180714B (en) * 1985-08-22 1989-08-16 Rank Xerox Ltd Image apparatus
GB2189365A (en) * 1986-03-20 1987-10-21 Rank Xerox Ltd Imaging apparatus
DE3615946A1 (de) * 1986-05-12 1987-11-19 Siemens Ag Raumzustandssensor
DE3825757B4 (de) * 1988-07-29 2004-09-23 Delphi Automotive Systems Deutschland Gmbh Verfahren zum Überwachen eines Raumes

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO9203806A1 *

Also Published As

Publication number Publication date
WO1992003806A1 (en) 1992-03-05
GB9018709D0 (en) 1990-10-10
DE69124097T2 (de) 1997-08-14
GB9118157D0 (en) 1991-10-09
GB2247592A (en) 1992-03-04
DE69124097D1 (de) 1997-02-20
EP0544770B1 (de) 1997-01-08
GB2247592B (en) 1994-10-05

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