EP1376502A1 - Système de surveillance - Google Patents

Système de surveillance Download PDF

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Publication number
EP1376502A1
EP1376502A1 EP02012793A EP02012793A EP1376502A1 EP 1376502 A1 EP1376502 A1 EP 1376502A1 EP 02012793 A EP02012793 A EP 02012793A EP 02012793 A EP02012793 A EP 02012793A EP 1376502 A1 EP1376502 A1 EP 1376502A1
Authority
EP
European Patent Office
Prior art keywords
alarm
images
imaging sensor
sensor
monitored
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.)
Withdrawn
Application number
EP02012793A
Other languages
German (de)
English (en)
Inventor
Martin Dr. Rechsteiner
Brigitt Dr. Schmid
Walter Lange
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 Schweiz AG
Original Assignee
Siemens Building Technologies 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 Building Technologies AG filed Critical Siemens Building Technologies AG
Priority to EP02012793A priority Critical patent/EP1376502A1/fr
Priority to US10/456,437 priority patent/US20040008254A1/en
Publication of EP1376502A1 publication Critical patent/EP1376502A1/fr
Withdrawn legal-status Critical Current

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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
    • G08B13/19602—Image analysis to detect motion of the intruder, e.g. by frame subtraction
    • G08B13/19604—Image analysis to detect motion of the intruder, e.g. by frame subtraction involving reference image or background adaptation with time to compensate for changing conditions, e.g. reference image update on detection of light level change
    • 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
    • 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
    • G08B13/19697—Arrangements wherein non-video detectors generate an alarm themselves
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B29/00—Checking or monitoring of signalling or alarm systems; Prevention or correction of operating errors, e.g. preventing unauthorised operation
    • G08B29/18—Prevention or correction of operating errors
    • G08B29/183—Single detectors using dual technologies

Definitions

  • the present invention relates to an object protection device with an imaging sensor for the generation of images of the object to be protected and its surroundings, and with evaluation electronics for the evaluation of these images.
  • the mechanical and capacitive detectors apply today because of their installation effort and a certain susceptibility to false alarms as outdated and are continuously monitored by video surveillance replaced.
  • these CCTV systems offer insufficient security because the Attention of a person watching a series of screens over time inevitably wears off. Apart from that, the CCTV systems need a huge amount of data be transmitted.
  • the invention is now intended to provide an object protection device in the form of video surveillance specified, which offers maximum security and not on the ability to concentrate and depends on a guardian looking at a wall of screens.
  • this object is achieved in that the evaluation electronics on site in the or is provided on the sensor and forms an autonomous device with it, and that the evaluation of the pictures locally and normally no transmission of the pictures a headquarters takes place
  • the autonomous object protection device thus offers the advantages of video surveillance, these are, in particular, high flexibility and little installation effort high security because the video signals are evaluated locally. On top of that, not Large amounts of data have to be constantly transferred to a central office.
  • the evaluation electronics are preferably integrated in or with the imaging sensor connected.
  • the imaging sensor is connected to a local alarm device, which in the event of an alarm is triggered by the evaluation electronics.
  • the local alarm can be set via a relay controllable local siren separate from the device or a built-in device Miniature siren or a speech synthesizer for programmed speech output.
  • local storage takes place in the event of an alarm of the images in question and / or their transmission to a center, with the latter there is a wired or wireless bidirectional communication link.
  • Another preferred embodiment of the object protection device according to the invention is characterized by a passive infrared sensor, whose signals match those of the imaging Sensors are linked. This is preferably done before the signals are linked a separate preprocessing of the passive infrared sensor and the imaging sensor of these signals.
  • a further preferred embodiment of the device according to the invention is thereby characterized that the images of the imaging sensor are opposed to changes be examined using a reference image.
  • the reference image is preferably a periodically updated background image or a temporal one delayed picture.
  • moving objects are recognized and tracked and checked to see if they enter one or more pre-defined zones.
  • the reference image contains stable ones extracted in a learning process
  • Features of the object to be monitored such as edges and it takes place in the active operating state of the device a check of the images for the presence of these stable features and thus on the presence of the object to be monitored.
  • the one according to the invention referred to as detector M below
  • Object protection device an imaging formed by a CMOS image sensor Sensor 1 and evaluation electronics integrated in or connected to it 2 with an alarm output 3.
  • a passive infrared (PIR) sensor can also be added as an option 4 are provided, the signals of which are also fed to the evaluation electronics 2.
  • the imaging sensor 1 and the evaluation electronics 2 and between the PIR sensor 4 and the evaluation electronics 2 each have a stage (not shown) for separate preprocessing of the signals of the two sensors 1 and 4 can be provided.
  • the imaging sensor 1 is aimed at the object to be protected and its surroundings, captures this technically and digitizes the image. When armed, the Imaging sensor 1 at intervals of a fraction of a second each image, which after known methods either alone or together with the signal of the PIR sensor 4 is evaluated.
  • EP-A-0 939 387 US 6 396 534 B1
  • the alarm output 3 is connected to a local alarm device 5, which is a relay controllable siren or strobe light separate from detector M or one in detector M built-in miniature siren or a speech synthesizer for programmed speech output can.
  • the alarm output 3 can be connected via a suitable wired or wireless connection to a control center 6, this connection being preferred is designed bidirectionally.
  • a possible evaluation of the image of the imaging sensor 1 consists of this first using known methods, such as pixel differences in the raw or filtered image data, Comparison of features (mean, variance, edges, and so on) of pixel groups Examine changes compared to a reference image while moving objects to localize.
  • the reference image can be a periodically updated background image or be a delayed picture.
  • certain characteristics e.g. Size, location, geometric moments
  • This can then be used for objects that are protected Approach object, derived relevant data such as size, speed and the like and pre-alarm and alarm data can be obtained from it.
  • the signal of the possibly existing PIR sensor 4 is in terms of amplitude, frequency and any further parameters are evaluated, from which then certain characteristics of an object, such as its speed, the duration of its presence, etc. estimated can be.
  • the signals from the two sensors 1 and 4 can be individually pre-evaluated and then combine them intelligently. This can be done by evaluating the Signals from several sensors based on different physical principles consistent detection reliability, the false alarm rate can be reduced.
  • Another possibility for evaluating the signal of the imaging sensor 1 is in evaluating its image to determine whether the object to be protected changes or moved. For this purpose, stable features of the object (for example Edges) is extracted and in the active operating state of the detector M then The image then checks whether the stable features are still present. If not If this is the case, it is assumed that the object to be protected moves from its place and an alarm is triggered.
  • stable features of the object for example Edges
  • the image of the imaging sensor 1 can also be checked for its integral brightness and it can be when a maximum or a minimum brightness is exceeded Alarm will be triggered.
  • the first would mean that the imaging sensor 1 is dazzled and the latter would indicate that the lighting in the exhibition room was switched off.
  • the various evaluation methods can be combined in any way become.
  • the zones corresponding to the different alarm levels can be freely defined in the monitored room. It is also possible to put the detector M into a learning mode in which he sets the alarm levels automatically or from outside. Another parameterization of the detector M (e.g. minimum object size, with / without Pre-alarm, etc.) after installation is possible.
  • FIG. 2a shows one installed on the ceiling of a room Detector M, which serves to secure a plastic 8 placed on a base 7.
  • the Detector M "looks" at the plastic 8 from above, in the picture taken by the detector (Fig. 2b) an alarm window indicated by dashed lines A is defined. Once an object this alarm window A penetrates, the alarm is triggered.
  • a pre-alarm can be set accordingly triggered when an object moves towards the alarm window A and an intrusion in this is imminent.
  • Fig. 3 shows a detector M mounted on a first wall, which is used to secure against a Paintings 9 suspended perpendicular to the first wall and the second wall is.
  • the alarm window A is at a distance from and parallel to the second wall trending virtual wall.
EP02012793A 2002-06-10 2002-06-10 Système de surveillance Withdrawn EP1376502A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP02012793A EP1376502A1 (fr) 2002-06-10 2002-06-10 Système de surveillance
US10/456,437 US20040008254A1 (en) 2002-06-10 2003-06-05 Object protection device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP02012793A EP1376502A1 (fr) 2002-06-10 2002-06-10 Système de surveillance

Publications (1)

Publication Number Publication Date
EP1376502A1 true EP1376502A1 (fr) 2004-01-02

Family

ID=29716766

Family Applications (1)

Application Number Title Priority Date Filing Date
EP02012793A Withdrawn EP1376502A1 (fr) 2002-06-10 2002-06-10 Système de surveillance

Country Status (2)

Country Link
US (1) US20040008254A1 (fr)
EP (1) EP1376502A1 (fr)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102004002718B4 (de) * 2003-04-25 2007-02-08 Avago Technologies Ecbu Ip (Singapore) Pte. Ltd. Niedrigleistungs-Bewegungserfassungssystem
EP2423894A1 (fr) * 2010-08-27 2012-02-29 Nederlandse Organisatie voor toegepast -natuurwetenschappelijk onderzoek TNO Système de surveillance de frontière
CN107516400A (zh) * 2017-08-31 2017-12-26 合肥康东福双信息科技有限公司 一种高层建筑安防救生舱人脸识别报警系统
US20180176512A1 (en) * 2016-10-26 2018-06-21 Ring Inc. Customizable intrusion zones associated with security systems
US10891839B2 (en) 2016-10-26 2021-01-12 Amazon Technologies, Inc. Customizable intrusion zones associated with security systems
US11545013B2 (en) 2016-10-26 2023-01-03 A9.Com, Inc. Customizable intrusion zones for audio/video recording and communication devices

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20050285941A1 (en) * 2004-06-28 2005-12-29 Haigh Karen Z Monitoring devices
DE102006047892A1 (de) * 2006-10-10 2008-04-17 Atlas Elektronik Gmbh Verfahren zur Überwachung eines Sicherungsbereichs
NL1033589C2 (nl) * 2007-03-26 2008-09-29 Maasland Nv Samenstel van een melkrobot met een melkrobotvoerplaats, en inrichting voor het grijpen en verplaatsen van materiaal.
KR20110085728A (ko) * 2010-01-21 2011-07-27 삼성전자주식회사 휴대용 단말기에서 건물 영역을 인식하기 위한 장치 및 방법
CN104537786A (zh) * 2014-11-10 2015-04-22 国家电网公司 用于变电站的红外远程影像识别报警装置
CN105606227B (zh) * 2016-02-17 2019-05-10 国网福建省电力有限公司邵武市供电公司 电力高压开关柜热故障热成像无线遥控报警器及应用方法
JP2019015671A (ja) * 2017-07-10 2019-01-31 旭化成エレクトロニクス株式会社 プログラム、コンピュータ可読媒体、端末装置、推定装置および推定方法

Citations (5)

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Publication number Priority date Publication date Assignee Title
WO1996006368A1 (fr) * 1994-08-24 1996-02-29 Sq Services Ag Systeme et procede d'evaluation d'images
JPH09116892A (ja) * 1995-10-20 1997-05-02 Fujitsu General Ltd 映像監視装置
EP0939387A1 (fr) * 1998-02-28 1999-09-01 Siemens Building Technologies AG Dispositif pour la surveillance de locaux
WO2001048719A1 (fr) * 1999-12-23 2001-07-05 Wespot Ab Technique, systeme et module de surveillance
DE20101205U1 (de) * 2001-01-24 2001-08-16 Hwg Telekommunikations Systeme Telefonische Alarm- und Videoüberwachungsanlage

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US4829380A (en) * 1987-12-09 1989-05-09 General Motors Corporation Video processor
US5999212A (en) * 1997-07-31 1999-12-07 The United States Of America As Represented By The Secretary Of The Navy Method and apparatus for infrared detection of a moving target in the presence of solar clutter
US6714977B1 (en) * 1999-10-27 2004-03-30 Netbotz, Inc. Method and system for monitoring computer networks and equipment
WO2001069932A1 (fr) * 2000-03-10 2001-09-20 Sensormatic Electronics Corporation Procede et appareil pour la poursuite et la detection d'un objet

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1996006368A1 (fr) * 1994-08-24 1996-02-29 Sq Services Ag Systeme et procede d'evaluation d'images
JPH09116892A (ja) * 1995-10-20 1997-05-02 Fujitsu General Ltd 映像監視装置
EP0939387A1 (fr) * 1998-02-28 1999-09-01 Siemens Building Technologies AG Dispositif pour la surveillance de locaux
WO2001048719A1 (fr) * 1999-12-23 2001-07-05 Wespot Ab Technique, systeme et module de surveillance
DE20101205U1 (de) * 2001-01-24 2001-08-16 Hwg Telekommunikations Systeme Telefonische Alarm- und Videoüberwachungsanlage

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102004002718B4 (de) * 2003-04-25 2007-02-08 Avago Technologies Ecbu Ip (Singapore) Pte. Ltd. Niedrigleistungs-Bewegungserfassungssystem
EP2423894A1 (fr) * 2010-08-27 2012-02-29 Nederlandse Organisatie voor toegepast -natuurwetenschappelijk onderzoek TNO Système de surveillance de frontière
US20180176512A1 (en) * 2016-10-26 2018-06-21 Ring Inc. Customizable intrusion zones associated with security systems
US10891839B2 (en) 2016-10-26 2021-01-12 Amazon Technologies, Inc. Customizable intrusion zones associated with security systems
US11545013B2 (en) 2016-10-26 2023-01-03 A9.Com, Inc. Customizable intrusion zones for audio/video recording and communication devices
CN107516400A (zh) * 2017-08-31 2017-12-26 合肥康东福双信息科技有限公司 一种高层建筑安防救生舱人脸识别报警系统

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