EP0356734A3 - Intruder detection device with television cameras - Google Patents

Intruder detection device with television cameras Download PDF

Info

Publication number
EP0356734A3
EP0356734A3 EP89114119A EP89114119A EP0356734A3 EP 0356734 A3 EP0356734 A3 EP 0356734A3 EP 89114119 A EP89114119 A EP 89114119A EP 89114119 A EP89114119 A EP 89114119A EP 0356734 A3 EP0356734 A3 EP 0356734A3
Authority
EP
European Patent Office
Prior art keywords
cameras
certain
distance
evaluated
detection device
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
EP89114119A
Other languages
German (de)
French (fr)
Other versions
EP0356734A2 (en
Inventor
Peter Dr. Kupec
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.)
Siemens AG
Original Assignee
Siemens AG
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 Siemens AG filed Critical Siemens AG
Publication of EP0356734A2 publication Critical patent/EP0356734A2/en
Publication of EP0356734A3 publication Critical patent/EP0356734A3/en
Ceased 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
    • 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
    • G08B13/19639—Details of the system layout
    • G08B13/19641—Multiple cameras having overlapping views on a single scene
    • 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
    • G08B13/19639—Details of the system layout
    • G08B13/19652—Systems using zones in a single scene defined for different treatment, e.g. outer zone gives pre-alarm, inner zone gives alarm

Abstract

Innerhalb eines bestimmten Überwachungsbereiches werden durch sich bewegende Objekte (OB) hervorgerufene Kontraständerungen mit zwei Fernsehkameras erfaßt, mittels automatischer Bildauswertung bewertet und zur Alarmgabe herangezogen. Zwei zusammengehörige Fernsehbilder werden gemeinsam ausgewertet. Dabei sind die Fernsehkameras (K1,K2) in einem bestimmten, gegenüber einer üblichen Stereo-Anordnung jedoch großen Abstand (d) voneinander angeordnet und bilden eine gemeinsame Abstandslinie (AL), so daß sich das Beobacht­ ungsvolumen (GA) bei unterschiedlicher Blickrichtung im Blickfeld der beiden Kameras (K1,K2) befindet. Aufgrund der vorgegebenen Positionen der Kameras, d.h. bestimmter Kamera-Abstand (d) und gegebene Raumwinkel (ε1, ε2, α1, α2) der jeweiligen Kamera und unter Berück­ sichtigung der Objektiv-Brennweiten wird der tatsächliche Ort, die wahre Größe und die äußere Gestalt des Objekts (OB) ermittelt und hieraus ein Alarmkriterium abgeleitet. Within a certain surveillance area, through moving objects (OB) Contrast changes with two TV cameras recorded, evaluated by means of automatic image evaluation and for Alerting used. Two related television pictures are evaluated together. The TV cameras (K1, K2) are in a certain, compared to a conventional stereo arrangement however arranged and form a large distance (d) from one another a common distance line (AL) so that the observation volume (GA) with different viewing directions in the Field of view of the two cameras (K1, K2) is located. Due to the given positions of the cameras, i.e. certain camera distance (d) and given solid angle (ε1, ε2, α1, α2) of the respective camera and under consideration lens focal lengths, the actual location the true size and shape of the object (OB) determined and an alarm criterion derived from this.

EP89114119A 1988-08-02 1989-07-31 Intruder detection device with television cameras Ceased EP0356734A3 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3826264 1988-08-02
DE3826264 1988-08-02

Publications (2)

Publication Number Publication Date
EP0356734A2 EP0356734A2 (en) 1990-03-07
EP0356734A3 true EP0356734A3 (en) 1990-03-14

Family

ID=6360103

Family Applications (1)

Application Number Title Priority Date Filing Date
EP89114119A Ceased EP0356734A3 (en) 1988-08-02 1989-07-31 Intruder detection device with television cameras

Country Status (1)

Country Link
EP (1) EP0356734A3 (en)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4306719A1 (en) * 1993-03-04 1993-09-16 Kloch Heilmann Hermann Self=learning alarm system for object monitoring - contains filtered image sensor and ultrasonic sensor used in combination
NL9300671A (en) * 1993-04-20 1994-11-16 Gatsometer Bv Method and device for electronically recording an event, for example a traffic violation.
GB2292628B (en) * 1994-08-24 1998-03-04 Roke Manor Research Improvements in or relating to detection system
DE19700811A1 (en) * 1997-01-13 1998-07-16 Heinrich Landert Method and device for controlling door systems depending on the presence of people
DE19709799A1 (en) * 1997-03-10 1998-09-17 Bosch Gmbh Robert Device for video surveillance of an area
DE19744694B4 (en) * 1997-10-10 2013-01-03 Robert Bosch Gmbh Video motion detection device
EP1061487A1 (en) * 1999-06-17 2000-12-20 Istituto Trentino Di Cultura A method and device for automatically controlling a region in space
US7208720B2 (en) * 1999-07-06 2007-04-24 Larry C. Hardin Intrusion detection system
GB2352859A (en) * 1999-07-31 2001-02-07 Ibm Automatic zone monitoring using two or more cameras
DE19956266A1 (en) * 1999-11-23 2001-06-21 Schuetz Dich Entwicklungs & Ve Monitoring system
US6720880B2 (en) 2001-11-13 2004-04-13 Koninklijke Philips Electronics N.V. Vision-based method and apparatus for automatically activating a child safety feature
CN102169614B (en) * 2011-01-14 2013-02-13 云南电力试验研究院(集团)有限公司 Monitoring method for electric power working safety based on image recognition
CN112325793B (en) * 2020-09-30 2022-02-18 张成林 Anti-counterfeiting detection method and device and multi-view camera

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3743768A (en) * 1971-04-02 1973-07-03 Halliburton Co Method and apparatus for electronically monitoring a field of view
US3811010A (en) * 1972-08-16 1974-05-14 Us Navy Intrusion detection apparatus
US4081830A (en) * 1974-09-30 1978-03-28 Video Tek, Inc. Universal motion and intrusion detection system
DE2906681A1 (en) * 1978-02-27 1979-09-06 Philips Nv MONITORING SYSTEM FOR MONITORING AN AREA

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3743768A (en) * 1971-04-02 1973-07-03 Halliburton Co Method and apparatus for electronically monitoring a field of view
US3811010A (en) * 1972-08-16 1974-05-14 Us Navy Intrusion detection apparatus
US4081830A (en) * 1974-09-30 1978-03-28 Video Tek, Inc. Universal motion and intrusion detection system
DE2906681A1 (en) * 1978-02-27 1979-09-06 Philips Nv MONITORING SYSTEM FOR MONITORING AN AREA

Also Published As

Publication number Publication date
EP0356734A2 (en) 1990-03-07

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