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EP1171857B1 - Intruder detection system with a video telephone - Google Patents

Intruder detection system with a video telephone Download PDF

Info

Publication number
EP1171857B1
EP1171857B1 EP99929010A EP99929010A EP1171857B1 EP 1171857 B1 EP1171857 B1 EP 1171857B1 EP 99929010 A EP99929010 A EP 99929010A EP 99929010 A EP99929010 A EP 99929010A EP 1171857 B1 EP1171857 B1 EP 1171857B1
Authority
EP
European Patent Office
Prior art keywords
alarm
image
base station
surveillance
video
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 - Lifetime
Application number
EP99929010A
Other languages
German (de)
French (fr)
Other versions
EP1171857A1 (en
Inventor
Gerhard Bock
Marco Werner
Winfried Kinzel
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
Siemens Corp
Original Assignee
Siemens AG
Siemens Corp
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, Siemens Corp filed Critical Siemens AG
Publication of EP1171857A1 publication Critical patent/EP1171857A1/en
Application granted granted Critical
Publication of EP1171857B1 publication Critical patent/EP1171857B1/en
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
    • G08B13/19654—Details concerning communication with a camera
    • G08B13/1966—Wireless systems, other than telephone systems, used to communicate with a camera
    • 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
    • G08B13/19617—Surveillance camera constructional details
    • G08B13/19621—Portable camera

Definitions

  • the invention relates to a monitoring method with a Tele-video system.
  • an image telephone set is known with which such a monitoring procedure is carried out can.
  • the one recorded by the camera of the video intercom Image changes to a previously recorded one Image, or checked for movements. If in a change in the image provided by the video camera or a movement is recognized that is a predetermined measure is exceeded, an alarm is recognized.
  • This Evaluation can be made by comparing successive Images or by comparing a current image with a stored image or with a calculation algorithm be performed, for example, a movement recognizes in the running coding algorithm. If the calculated motion vector exceeds a certain threshold value, the alarm is triggered.
  • the alarm trigger causes the connection to be established Control or monitoring point to which a prefabricated Transfer alarm text or an alarm message can be.
  • the image that triggers the alarm is also transmitted. This gives the monitoring body the opportunity to check if the alarm is triggered by a burglar or whether it is a false alarm, for example was caused by a cat.
  • the invention has for its object a safe monitoring method specify.
  • the invention is based on the idea of triggering the alarm Image sequence or the alarm-triggering image from the mobile Transfer device to base station immediately. This Transfer happens instantly, leaving a burglar has practically no possibility of doing this before the image transfer destroy mobile device. The base station then has enough Time to establish the connection to the monitoring center and the transferred and cached image there transfer.
  • a cordless is assumed to be known Telephone system based on the DECT standard.
  • Such and similar systems are for example in the Funkschau, issue 13, year 97 in the article "Comparison of DECT and PHS" described.
  • the handset can be equipped with a camera be so that to carry out wireless video telephony a corresponding video telephone system is available.
  • the base station The telephone system can be used with a wireless or corded, analog or digital communication network be connected.
  • To establish a communication connection to this communication network is a number on the handset, for example entered. After establishing the connection, from the base station voice or image communication to a remote participant. Also in Data stored in the handset can only be saved after the Communication link from the handset via the base station be transmitted to the communication network.
  • the invention is based on the immediate transmission of the alarm and the alarm-triggering image from the handset to the base station.
  • Such a video telephone system is used for a surveillance process, for example against burglary.
  • the alarm is triggered in the video handset or in the base station itself he follows.
  • the handset is in continuous Connection to the base station.
  • the pictures taken are immediately transmitted to the base station, and a change in image or movement is recognized there.
  • this detection is in the handset and if an alarm is detected, it will Immediately transmit the alarm-triggering image to the base station.
  • the picture or the Image sequence in the base station before before from the base station the monitoring center is selected.

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Closed-Circuit Television Systems (AREA)
  • Burglar Alarm Systems (AREA)

Abstract

The invention relates to a surveillance method with a wireless video telephone system. According to the invention, a base station is connected to a communications network and a mobile video unit with a camera is used for surveillance. A current recorded image is checked for changes and an alarm is triggered and a surveillance unit is dialled if a predetermined difference is detected. The image that has triggered the alarm is immediately transmitted from the mobile unit to the base station where it is stored, at least until being delivered to the communications network.

Description

Die Erfindung betrifft ein Überwachungsverfahren mit einem Bildfernsprechsystem.The invention relates to a monitoring method with a Tele-video system.

Aus der DE 38 27 928 ist ein Bildfernsprechgerät bekannt, mit dem ein derartiges Überwachungsverfahren durchgeführt werden kann. Das von der Kamera des Bildfernsprechgerätes aufgenommene Bild wird auf Veränderungen, zu einem vorher aufgenommenen Bild, beziehungsweise auf Bewegungen überprüft. Wenn in dem von der Videokamera gelieferten Bild eine Veränderung oder eine Bewegung erkannt wird, die ein vorgegebenes Maß überschreitet, so wird auf einen Alarmfall erkannt. Diese Auswertung kann durch einen Vergleich von aufeinanderfolgenden Bildern oder durch den Vergleich eines aktuellen Bildes mit einem gespeicherten Bild oder auch durch einen Rechenalgorithmus durchgeführt werden, der beispielsweise eine Bewegung im laufenden Codierungsalgorithmuss erkennt. Wenn der berechnete Bewegungsvektor einen gewissen Schwellwert überschreitet, wird der Alarm ausgelöst.From DE 38 27 928 an image telephone set is known with which such a monitoring procedure is carried out can. The one recorded by the camera of the video intercom Image changes to a previously recorded one Image, or checked for movements. If in a change in the image provided by the video camera or a movement is recognized that is a predetermined measure is exceeded, an alarm is recognized. This Evaluation can be made by comparing successive Images or by comparing a current image with a stored image or with a calculation algorithm be performed, for example, a movement recognizes in the running coding algorithm. If the calculated motion vector exceeds a certain threshold value, the alarm is triggered.

Die Alarmauslösung bewirkt den Verbindungsaufbau zu einer Kontroll- beziehungsweise Überwachungsstelle, an die ein vorgefertigter Alarmtext oder eine Alarmnachricht übertragen werden können. Zusätzlich wird das alarmauslösende Bild übertragen. Hierdurch hat die Überwachungsstelle die Möglichkeit zu überprüfen, ob der Alarm durch einen Einbrecher ausgelöst wurde, oder ob es sich um einen Fehlalarm handelt, der beispielsweise durch eine Katze verursacht wurde.The alarm trigger causes the connection to be established Control or monitoring point to which a prefabricated Transfer alarm text or an alarm message can be. The image that triggers the alarm is also transmitted. This gives the monitoring body the opportunity to check if the alarm is triggered by a burglar or whether it is a false alarm, for example was caused by a cat.

Es ist denkbar, anstelle des Bildfernsprechgerätes ein drahtloses Bildfernsprechsystem zu verwenden. Ein solches System arbeitet beispielsweise nach dem DECT-Standard (oder dem japanischen PHS-Standard), bei dem ein sogenanntes Video-Mobilteil drahtlos mit einer Basisstation in Verbindung steht.It is conceivable to use a wireless instead of the video telephone To use video telephone system. Such a system works for example according to the DECT standard (or the Japanese PHS standard), in which a so-called video handset wirelessly connected to a base station stands.

Bei Verwendung eines Bildfernsprechendgerätes beziehungsweise eines Bildfernsprechsystems für ein Überwachungsverfahren besteht für den Einbrecher die Möglichkeit, das den Alarm meldende Gerät vor dem Aufbau einer Kommunikationsverbindung mit der Sicherheitszentrale zu zerstören oder zumindest vom Netz zu trennen.When using a video telephone or an image telephone system for a surveillance process the possibility for the burglar to report the alarm Device before establishing a communication connection with to destroy the security center or at least from the network to separate.

Der Erfindung liegt die Aufgabe zugrunde, ein sicheres Überwachungsverfahren anzugeben.The invention has for its object a safe monitoring method specify.

Diese Aufgabe wird erfindungsgemäß durch die im Patentanspruch 1 angegebenen Merkmale gelöst.This object is achieved by the claim 1 specified features solved.

Die Erfindung geht von der Idee aus, die alarmauslösende Bildsequenz beziehungsweise das alarmauslösende Bild vom mobilen Gerät sofort zur Basisstation zu übertragen. Diese Übertragung geschieht unverzüglich, so daß ein Einbrecher praktisch keine Möglichkeit hat, vor der Bildübertragung das mobile Gerät zu zerstören. Die Basisstation hat dann genügend Zeit, die Verbindung zur Überwachungszentrale aufzubauen und das übertragene und zwischengespeicherte Bild dorthin zu übertragen.The invention is based on the idea of triggering the alarm Image sequence or the alarm-triggering image from the mobile Transfer device to base station immediately. This Transfer happens instantly, leaving a burglar has practically no possibility of doing this before the image transfer destroy mobile device. The base station then has enough Time to establish the connection to the monitoring center and the transferred and cached image there transfer.

Im folgenden wird die Erfindung anhand eines Ausführungsbeispieles beschrieben.In the following, the invention is based on an exemplary embodiment described.

Als bekannt vorausgesetzt wird beispielsweise ein schnurloses Telefonsystem nach dem DECT-Standard. Solche und ähnliche Systeme sind beispielsweise in der Funkschau, Heft 13, Jahrgang 97 in dem Artikel "Vergleich von DECT und PHS" beschrieben. Darauf aufbauend kann das Mobilteil mit einer Kamera versehen werden, so daß zur Durchführung einer drahtlosen Bildtelefonie ein entsprechendes Bildfernsprechsystem vorliegt. Die Basisstation des Fernsprechsystems kann mit einem drahtlosen oder schnurgebundenen, analogen oder digitalen Kommunikationsnetz verbunden sein.For example, a cordless is assumed to be known Telephone system based on the DECT standard. Such and similar systems are for example in the Funkschau, issue 13, year 97 in the article "Comparison of DECT and PHS" described. Building on this, the handset can be equipped with a camera be so that to carry out wireless video telephony a corresponding video telephone system is available. The base station The telephone system can be used with a wireless or corded, analog or digital communication network be connected.

Zum Aufbau einer Kommunikationsverbindung zu diesem Kommunikationsnetz wird beispielsweise am Mobilteil eine Rufnummer eingegeben. Nach dem Aufbau der Verbindung, von der Basisstation aus, kann die Sprach- beziehungsweise Bildkommunikation zu einem entfernten Teilnehmer durchgeführt werden. Auch im Mobilteil gespeicherte Daten können erst nach dem Aufbau der Kommunikationsverbindung vom Mobilteil über die Basisstation zum Kommunikationsnetz übertragen werden.To establish a communication connection to this communication network is a number on the handset, for example entered. After establishing the connection, from the base station voice or image communication to a remote participant. Also in Data stored in the handset can only be saved after the Communication link from the handset via the base station be transmitted to the communication network.

Die Erfindung beruht auf der sofortigen Übertragung des Alarmes und des alarmauslösenden Bildes vom Mobilteil zur Basisstation.The invention is based on the immediate transmission of the alarm and the alarm-triggering image from the handset to the base station.

Ein solches Bildfernsprechsystem wird für ein Überwachungsverfahren, beispielsweise gegen Einbruch, eingesetzt. Für die Erfindung ist es von untergeordneter Bedeutung, ob die Alarmauslösung im Video-Mobilteil oder in der Basisstation selbst erfolgt. In einem Fall steht das Mobilteil in kontinuierlicher Verbindung mit der Basisstation. Die aufgenommen Bilder werden dabei unverzüglich zur Basisstation übertragen, und dort wird eine Bildänderung beziehungsweise eine Bewegung erkannt. In einem anderen Fall wird diese Erkennung im Mobilteil durchgeführt, und bei Erkennung auf einen Alarm wird das alarmauslösende Bild unverzüglich zur Basisstation übertragen. In beiden Fällen liegt das Bild beziehungsweise die Bildsequenz in der Basisstation vor, bevor von der Basisstation aus die Überwachungszentrale angewählt wird.Such a video telephone system is used for a surveillance process, for example against burglary. For the Invention, it is of secondary importance whether the alarm is triggered in the video handset or in the base station itself he follows. In one case the handset is in continuous Connection to the base station. The pictures taken are immediately transmitted to the base station, and a change in image or movement is recognized there. In another case, this detection is in the handset and if an alarm is detected, it will Immediately transmit the alarm-triggering image to the base station. In both cases, the picture or the Image sequence in the base station before before from the base station the monitoring center is selected.

Bei einer Zerstörung des Mobilteils beispielsweise durch einen Einbrecher kann die Übertragung des zugehörigen Bildes nicht mehr verhindert werden.If the handset is destroyed, for example by a Burglars can transfer the associated picture can no longer be prevented.

Bei einer Weiterbildung der Erfindung weist die Kamera des Video-Mobilteils Bildaufnahmesensoren für den Infrarotbereich auf. Hierdurch kann eine Bewegungserkennung beziehungsweise die Erkennung von Bildveränderungen auch bei Dunkelheit erfolgen.In a development of the invention, the camera of the Video handset Image acquisition sensors for the infrared range on. This can be a motion detection or the detection of image changes also take place in the dark.

Claims (3)

  1. Surveillance method with a wireless video telephone system,
    in which a base station is connected to a communications network,
    in which a video mobile part with a camera is used for surveillance, a currently recorded image being checked for changes and, in the event of a predetermined difference, an alarm being triggered and a surveillance centre being dialled, and
    in which the alarm-triggering image is immediately transmitted from the mobile part to the base station, where it is stored at least until being output to the communications network.
  2. Surveillance method according to Claim 1,
    in which the currently recorded image is checked in the video mobile part.
  3. Surveillance method according to Claim 1 or 2,
    in which the camera of the video mobile part has image recording sensors for the infrared range.
EP99929010A 1999-04-20 1999-04-20 Intruder detection system with a video telephone Expired - Lifetime EP1171857B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/DE1999/001189 WO2000063862A1 (en) 1999-04-20 1999-04-20 Intruder detection system with a video telephone

Publications (2)

Publication Number Publication Date
EP1171857A1 EP1171857A1 (en) 2002-01-16
EP1171857B1 true EP1171857B1 (en) 2003-06-18

Family

ID=6918826

Family Applications (1)

Application Number Title Priority Date Filing Date
EP99929010A Expired - Lifetime EP1171857B1 (en) 1999-04-20 1999-04-20 Intruder detection system with a video telephone

Country Status (3)

Country Link
EP (1) EP1171857B1 (en)
DE (1) DE59906047D1 (en)
WO (1) WO2000063862A1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2396945A (en) * 2003-01-03 2004-07-07 Vtech Telecomm Ltd Video monitoring system using motion detecting camera and cordless video telephone

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20030040925A1 (en) * 2001-08-22 2003-02-27 Koninklijke Philips Electronics N.V. Vision-based method and apparatus for detecting fraudulent events in a retail environment
JP3553050B2 (en) * 2002-05-28 2004-08-11 株式会社エイティング Videophone monitoring system
KR100511227B1 (en) * 2003-06-27 2005-08-31 박상래 Portable surveillance camera and personal surveillance system using the same
ES2262420B1 (en) * 2004-12-30 2007-10-01 France Telecom España, S.A. "SYSTEM TO PERFORM VIDEO-SURVEILLANCE TASKS, REMOTELY AND IN REAL TIME".
GB201518050D0 (en) 2015-10-12 2015-11-25 Binatone Electronics Internat Ltd Home monitoring and control systems

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GB2183878B (en) * 1985-10-11 1989-09-20 Matsushita Electric Works Ltd Abnormality supervising system
US4949186A (en) * 1987-02-13 1990-08-14 Peterson Roger D Vehicle mounted surveillance system
DE3852927T2 (en) * 1987-11-26 1995-06-29 Fujitsu Ltd Emergency monitoring system with infrared processing.
DE3827928C2 (en) * 1988-08-17 1997-07-10 Sel Alcatel Ag Videophone
US5448290A (en) * 1991-08-23 1995-09-05 Go-Video Inc. Video security system with motion sensor override, wireless interconnection, and mobile cameras
JPH0564199A (en) * 1991-08-29 1993-03-12 Pioneer Electron Corp Picture monitor
CA2231122A1 (en) * 1995-11-22 1997-05-29 Douglas A. Narlow Video surveillance apparatus and system

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2396945A (en) * 2003-01-03 2004-07-07 Vtech Telecomm Ltd Video monitoring system using motion detecting camera and cordless video telephone
GB2396945B (en) * 2003-01-03 2006-10-04 Vtech Telecomm Ltd Wireless motion sensor using infrared illuminator and camera integrated with wireless telephone

Also Published As

Publication number Publication date
DE59906047D1 (en) 2003-07-24
WO2000063862A1 (en) 2000-10-26
EP1171857A1 (en) 2002-01-16

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