Classifications

• • 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
• • G—PHYSICS
  • G01—MEASURING; TESTING
  • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
  • G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
  • G01S13/02—Systems using reflection of radio waves, e.g. primary radar systems; Analogous systems
  • G01S13/04—Systems determining presence of a target
• • G—PHYSICS
  • G01—MEASURING; TESTING
  • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
  • G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
  • G01S13/88—Radar or analogous systems specially adapted for specific applications
  • G01S13/886—Radar or analogous systems specially adapted for specific applications for alarm systems
• • G—PHYSICS
  • G08—SIGNALLING
  • G08B—SIGNALLING SYSTEMS, e.g. PERSONAL 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
• • G—PHYSICS
  • G08—SIGNALLING
  • G08B—SIGNALLING SYSTEMS, e.g. PERSONAL 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
  • G08B13/19645—Multiple cameras, each having view on one of a plurality of scenes, e.g. multiple cameras for multi-room surveillance or for tracking an object by view hand-over
• • G—PHYSICS
  • G08—SIGNALLING
  • G08B—SIGNALLING SYSTEMS, e.g. PERSONAL 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 SYSTEMS, e.g. PERSONAL CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
  • G08B25/00—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems
  • G08B25/01—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems characterised by the transmission medium
  • G08B25/10—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems characterised by the transmission medium using wireless transmission systems
• • G—PHYSICS
  • G01—MEASURING; TESTING
  • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
  • G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
  • G01S13/86—Combinations of radar systems with non-radar systems, e.g. sonar, direction finder
  • G01S13/867—Combination of radar systems with cameras

Definitions

• the present invention relates to a surveillance system adapted to detect the presence of intruders in a given area.
• optronics allows the user to immediately remove the doubt about the dangerousness of the intrusion by generally combining information from an optical sensor to an image processing system and a system for displaying or storing information resulting from the image processing performed.
• Monitoring systems can be implemented in many applications, for example on a border site or in an industrial site or site.
• Surveillance systems are known that include watchtowers, at the top of which a camera sweeps across the area to be monitored. If this type of system allows for long-range visibility when the surrounding terrain is flat, the presence of obstacles, as may be mountains or buildings for example, near the towers complicates the monitoring operations. notably requiring considerable tower heights.
• the present invention aims to allow the use of mobile monitoring equipment in facilities that are easy to implement, for reliable operation and yet low costs in construction and operation. It also aims, through the mobility of equipment, their management and control in operation, to lead to a furtive surveillance, remaining effective to report the presence of intruders, but undetectable.
• the invention consists in principle, it takes the form: of a method "or jjn ..matériel, .to provide a new monitoring technique, ui siaffranchisse the aforementioned drawbacks and which is particularly fast. - Set up and reliable.
• the monitoring system comprises a network of monitoring stations each equipped with detection means, in which these monitoring stations are arranged according to a configuration of the network which is automatically calculated by software means equipping a management center. which is part of the network and which is in permanent radio link with the monitoring stations.
• the initial position of each monitoring station is determined automatically by a calculation taking into account characteristics pre-recorded in the management center. This position can be automatically updated by the management center on the basis of information relating to the actual positioning and operation of the monitoring stations that the management center receives in real time.
• the pre-recorded characteristics take the form of a three-dimensional mapping of the area to be monitored and that of the technical characteristics of each detection means available. This takes into account reliefs and points-of-passage required to have the detection means at places -the most suited to their operating characteristics. It is therefore particularly advantageous for the management center to be able to calculate determining the positions of monitoring stations and detection means for example that 'is a camera at the reduced scan spectrum which is used to monitor urr narrow path and that' are of wide scan spectrum cameras that are positioned to monitor an open plain.
• the calculation of the network configuration consists in particular in determining by calculation the position of each of the stations of. monitoring against each other and the management center. It : is also to determine by calculation the operating data that must be respected each means of detection and identification of intruders.
• the software resources of the management center thus make it possible to obtain an optimized network configuration in that the area to be monitored is covered by all the detection means, possibly with compliance with conditions imposed by strategic considerations such as the fact that ensure by this calculation that the scanning surfaces of two neighboring detection means have a common portion to provide redundancy at certain points of the area to be monitored.
• the objective of the invention is to provide an optimized monitoring network for intruder detection and it is advantageous to make any network configuration changes before the appearance of an intruder, so as to have an optimized network to not miss this presence detection.
• the management center communicates in real time with each of the monitoring stations, in particular to receive information on the actual position of the monitoring stations or on the data of the monitoring stations. operation of the detection means, and it calculates in real time a new configuration of the network when one of the information received is different from those corresponding to the configuration of the network that it had; previously calculated.
• the configuration of the. network can adapt it to the field conditions, or to a possible failure of one of the detection means. For example, one can consider.
• Network stations can not be located at the intended location for reasons that could not be detected on the study by the management center .
• three-dimensional cartography as for example the presence of a too strong wind on a clear plateau which could penalize measurements.
• a monitoring station has been placed correctly in relation to the configuration of the network initially calculated but that the detection means associated with this station send as information that an obstacle hinders visibility.
• the network configuration is then automatically recalculated and in particular the remaining monitoring stations are given a new initial position.
• the communication means for exchanging information between the monitoring stations and the management center comprise a transceiver for low-speed communications with the management center and a transmitter for high-speed communications to the control center.
• management Center a transceiver for low-speed communications with the management center and a transmitter for high-speed communications to the control center.
• management Center a transceiver for low-speed communications with the management center and a transmitter for high-speed communications to the control center.
• management Center the low-speed communications allow a two-way exchange between the management center and the monitoring stations, in particular to enable the real-time calculation of an efficient configuration of the network, while the broadband communications in one direction, from the monitoring station to the management center, including the transmission of flu video for the control by an operator of the images of the area to be monitored in real time.
• one can thus use these two types of radio link for different uses the low speed link being continuously used omnidirectiohnelle as soon as the beacon is deployed while the broadband link is used only occasionally when an alert is launched via the low speed link.
• the management center is embedded on a mobile unit that is adapted to move to deposit each monitoring station to its initial position determined by the management center and then to withdraw after the filing of all the stations forming the network.
• the invention makes it possible in particular to provide a particularly reliable monitoring system that can adapt to any type of terrain regardless of the associated reliefs, this system can be moved or reconfigured regularly to surprise intruders possible and quickly not to create dangerous situations when laying monitoring stations, with very specific instructions to comply with a network configuration that is calculated to facilitate the detection of intruders.
• FIG. 1 represents a surveillance system according to the invention, in which a management center and several control stations monitoring form a network to detect intrusions in a given area;
• Figure 2 schematically illustrates the communication between the management center and some network monitoring stations shown in Figure 1;
• FIG. 3 is a block diagram representative of the monitoring method according to the invention.
• the monitoring system represented in FIG. 1 comprises a network of monitoring stations 2 arranged to cover a given area together, as well as a management center 4 set back from the monitoring stations and which is adapted to communicate with each of the stations. supervisory authority.
• the management center is able to communicate with five monitoring stations.
• a management center supports four to six monitoring stations. It will be understood that this number of monitoring stations is more of a strategic choice than a technical choice and therefore the invention is not limited to the number of management centers and monitoring stations.
• the area to be monitored shown striped in Figure 1, extends substantially over a distance of fifty linear kilometers, on which the system must detect and identify intrusions and crossings. The depth of the area to be monitored is determined so that a visual confirmation of alert can be made before the intruder has completed the crossing of the area to be monitored.
• Each monitoring station comprises at least one beacon mounted on a support 8, as well as . autonomous power supply means and means of communication with the management center, said control station monitoring being movable in that it is possible to move, the support for adjusting the position of the monitoring station relative to its initial position in the determined area. .
• the beacon is deployable and retractable within the support. It comprises a telescopic mast 1 0 at the free end of which is a detection head 12.
• the mast 10 is mounted in the support so that the beacon is adapted to move from a retracted state, in which it is fully housed in the support and thus protected weather conditions and possible attacks from third parties, to a deployed state in which the head is for example two meters from the ground and can be oriented angularly.
• the head 12 includes detection means necessary for the detection of presence in the area to be monitored, which may in particular take the form of one or more cameras and which may be high-definition identification means, such as a camera high resolution.
• detection means necessary for the detection of presence in the area to be monitored, which may in particular take the form of one or more cameras and which may be high-definition identification means, such as a camera high resolution.
• the presence of different cameras makes it possible to use several frequency bands and for example the visible, the near infrared, and the infrared in the ranges Bl l or Bill.
• RADAR means As will be described below in the use of the system, it is interesting to provide further the detection head of a laser rangefinder and a laser pointer.
• the head will be equipped with a researcher North to be able to direct the sensors and cameras in the desired direction.
• a monitoring station may integrate a location RADAR to scan a large area of plain, being less sensitive to the atmospheric conditions of the optronic detection means that will be worn by the other monitoring stations of the system.
• the support has the shape of a box at the bottom of which is articulated telescopic mast.
• each medium comprises, in addition to the beacon, at least one satellite geolocation device, a calculation module and radio communication means 14 adapted to allow communication between the monitoring station and the management center and that the communication of the monitoring posts between them.
• the calculation module integrates an automatic intruder detection software which receives as input all the measurements made by the on-board devices on the detection head associated with this monitoring station.
• the calculation module can be parameterized during the setting up of the monitoring station for a better selectivity of the alerts depending on the terrain on which the operator places it, and as will be described below, the management center can send changes to the calculation module parameterization during the mission.
• the calculation module also performs a local backup, for example by a sliding window recording of the last minutes of the videos received by the cameras and analyzed by the software.
• the computation module integrates an image processing function so that it receives the images taken by the head-mounted camera associated with this monitoring station, and that it processes them so that subsequently this still image , but very high definition, can be studied to ensure the accuracy of the alert.
• the communication means comprise on the one hand a radio transceiver for providing a low-speed link and on the other hand a radio transmitter and an associated steerable radio antenna to ensure high-speed transmission to the management center.
• the information relating to the operation of the detection means and the position of the monitoring station, which are intended to flow in one direction or the other between the management center and the monitoring station are transmitted at low speed, using, for example, a GSM or 3G network, or high frequency (HF) or very high frequency (VHF) radio frequencies.
• the videos are transmitted in one direction from the monitoring station to the management center, broadband, using for example a Wl MAX transmission mode.
• a video compression box is provided in the support to promote this transmission.
• the low-speed radio transceiver is formed by a fixed antenna that transmits omnidirectionally whereas the high-speed communication means are formed by a directional antenna with high electromagnetic gain that are triggered only occasionally, depending on the content of the communications between the radio transceiver and the management center.
• the directional antenna is thus directed to the management center and made operational only when a potential intrusion is detected by the beacon, which allows a saving of energy and a greater autonomy of the beacon.
• the means of communication between the management center and the monitoring stations take into account existing networks such as of. alternative links in the event of a failure of onboard HF and VHF radio communications. In these cases, the quality of the transmissions is adapted to the capacity of the available transmission networks.
• the support is adapted to receive and integrate with the beacon means for detecting the close presence of individuals, in order to be able to launch automatically, without prior intervention of the management center, a self-protection operation which consists in to pass the beacon in the retrieved state described above when individuals are approaching and they may locate the monitoring station if the beacon is deployed.
• a self-protection operation which consists in to pass the beacon in the retrieved state described above when individuals are approaching and they may locate the monitoring station if the beacon is deployed.
• PIR infrared presence detector
• radar detector or a seismic detector.
• Other equipment can be provided, and it can in particular equip the monitoring station with a self-destruct load, which is then disposed in the support.
• the medium comprises autonomous power supply means, for example photovoltaic cells, and it can integrate a consumable energy source such as a generator or a fuel cell device.
• the support has a camouflage coating and is arranged to be as unobtrusive as possible. It is thus sought to have an autonomous monitoring station in food and discrete.
• An automatic leveling device is provided to adjust the support attitude so that the monitoring station is positioned in accordance with the intended network configuration.
• the support comprises four legs which are mounted on jack, each cylinder being adapted to more or less extend to adjust the attitude according to the slope of the ground on which the support was deposited.
• the beacon of a monitoring station provides a presence detection performance which may vary in
• each intruder detection is signaled via the transceiver which exchanges communications with the management center at low speed so that this intruder detection is subject to possible verification and identification. by an operator, and in return, the detection beacon can be remotely controlled from the management center.
• the content of the low-speed communications on the positioning and operation of the stations is used by the management center for the calculation of a new network configuration while the content of the low-speed communications on the presence detection generates the operation of the stations.
• the mobile antenna attached to the telescopic mast for transmitting video streams to the management center. It is noted that the antenna is mounted on the mast so that it can rotate independently of the head, to always be oriented towards the management center while the head is turned towards the intruder.
• the management center is located away from the monitoring stations, as far as possible to not be detected by -des. intruder from the area to be monitored, while being within communication range with each of the monitoring stations.
• the management center is embedded on a distributor vehicle, whose mobility makes it possible, on the one hand, to quickly dispose of the monitoring stations, and to withdraw them as soon as a new zone must be monitored, and on the other hand. to position quickly after the installation of the monitoring stations the management center in a position set back from the area to be monitored and equidistant from the beacons.
• the distributor vehicle is equipped with lifting means for handling the monitoring stations. It also includes a satellite geolocation device.
• the management center has a calculator.
• the computer plays a role upstream in the preparation of the operation, by the calculation it makes of the configuration of the network, and it also plays a role during operation, by interacting with the actual monitoring stations and by real-time automatic calculation of a new network configuration when necessary, which may result in a change in position of the stations not yet in place and remote control of tags already deposited.
• the monitoring stations are arranged relative to each other and to the management center according to a network configuration defined by software means that equip the management center computer here.
• This configuration of the network takes into consideration the technical characteristics of the detection means available. to arrange them according to the iridimensional cartography of the area to be monitored.
• the software means can integrate for this purpose a wave propagation calculation algorithm to ensure that the Theoretical arrangement of the tags allows the communication between the tags and the management center. .
• the configuration of the network can evolve in fair weather: the beacons can be changed position, including the remaining tags to be installed. and always embarked on the vehicle, or the operation of the own detection means of each tag can be changed remotely.
• the beacons must be calibrated again at the time of their removal to the ground to ensure that the detection criteria refer to the three-dimensional image processing means of the beacon and which refer to theoretical mapping data, are always consistent.
• the laser rangefinder then makes it possible to point an element of the decoration and to communicate to the management center via the fixed antenna the distance at which the beacon is from this element of the decoration.
• the management center takes this element into account in order to determine if the detection criteria must change, and for example the size of the pixels to be detected on the shots.
• the calculator receives - in real time! information on the actual position of the monitoring stations, on the retracted state or ... deployed beacons for each of the monitoring stations and on the operating data of the detection means, and these data are immediately integrated by the software means to calculate a new network configuration.
• the software means automatically calculate, based on the information they receive in real time a new configuration of the network to adapt to changes that may occur during the monitoring operation.
• the software means receive, as input, prerecorded information such as a three-dimensional cartography of the area to be monitored and all the strategic considerations associated with this map, namely, for example, the importance of this or that passage in the area to be monitored or the possibility of a contrario. leaving parts of this area unmonitored as impractical for potential intruders.
• the pre-recorded information also includes all the technical characteristics of the detection means available to perform the monitoring operation. By way of example, among these technical characteristics, we can mention the height at which the beacon head can be deployed, the maximum range of the cameras, the speed and the scanning angle of these cameras, or the number of pixels of the camera. the camera, but it will be understood that other features may be used without departing from the context of the invention.
• the management center further comprises communication means adapted to correspond with the means 14 communication of the monitoring stations, in particular to receive intruder detection alerts.
• First means of communication are adapted to exchange at a low rate almost continuously with the monitoring stations, while second communication means are adapted to receive occasional high-speed information from the monitoring stations.
• second communication means are adapted to receive occasional high-speed information from the monitoring stations.
• an operator is able from the management center to interact remotely with the monitoring station or positions that have been identified as responsible for this alert, and in particular to take remote control, to manually direct the means detection and to acquire additional data.
• the management center includes local backup means, in archiving, information from each of the monitoring stations.
• the computer 30 of the management center 31 records the three-dimensional cartography 32 corresponding to the zone to be monitored and the technical characteristics 33 of the detection means.
• the software means integrated in the computer determines by calculation a configuration of. network 34 defining precisely the number of monitoring stations 35 to have to cover this 2one and their position. - ⁇ . All necessary monitoring stations are placed in the delivery vehicle; each; with the tag associated in a state, retracted. The distributor vehicle moves and installs according to the calculated network configuration-each. surveillance stations at the place assigned to it by software means.
• the management center may be only partially operational, with for example the computer that is operational and the transmission equipment that is in degraded mode while the embedded tags are stopped or in refill.
• the dispensing vehicle can withdraw and come to the place that has been assigned to it also by the software means, so that the center management that remains on board the vehicle is positioned correctly in relation to the monitoring stations to wait for alerts from the stations.
• one of the monitoring stations in its support may be disposed of at the place assigned to it by the software means.
• flora which is not taken into account by the software means because it is not recorded in the input data formed by the three-dimensional cartography, prevents the positioning of the tag strictly at the assigned location.
• the monitoring station which sends in real time to the management center information on position and on the operating data of the detection means, is located precisely. Since, in this case, the answer to question 37 is whether the originally calculated network configuration is. modified is positive, the software means associated with the management center integrate in real time this information 36 to automatically recalculate the configuration of the network by always conforming to the calculation criteria given to it, namely to ensure that the area to monitor is perfectly covered, with redundancies between tags.
• the management center calculates a new configuration of the network that takes into account real and not just theoretical constraints.
• the management center transmits specific information if the positions assigned to the monitoring stations that remain to be set need to be modified.
• the management center can also send by low speed radio communication information to the beacons already in place in the field to automatically modify the operating data of the detection means and for example the orientation of the detection head or the conditions of ⁇ . scanning cameras in the head *
• the information sent to the tags can also be a change in the detection criteria and for example the size of the pixels to be detected in this or that zone.
• changing the location of a beacon a few meters can greatly change the perspective of the shooting.
• the detection head is piloted from the management center and the laser rangefinder is pointed at an element of the decoration.
• This control of the position by the use of the laser rangefinder can be done on demand by the management center, even if the beacon has been placed in the exact theoretical position,
• the beacons ensure their role of automatic surveillance of the part of the zone that they must cover. This part to be covered is adjustable according to the practical constraints, by a parameterization before the passage of the beacons to a deployed state and / or by retouching carried out during operation via the low-speed link installed between each monitoring station and the management Center.
• the beacon can be put in a secure mode with a retracted position in the support .
• a signal 38 is emitted by the low-speed link to the on-board management center on the distributor vehicle.
• This signal contains classification elements of the alert and the position of the part of the determined zone in which the alert occurs.
• the video of the sliding window which contains the sequence that gave rise to it, is saved. .
• the broadband transmitter is routed, with the associated antenna which is oriented towards the gestiùh center using for this purpose the satellite coordinates from the geolocation devices present in the monitoring station and in the distributor vehicle.
• the video is transmitted in real time to the center of management.
• the operator can then take the 39 control beacon manually through a control lever and move the cameras • tagged at will to scrutinize the party, -the monitored zone has been .fait detection.
• the operator can on request, if the observationv. direct does not allow him to raise the doubt about the relevance of the alert, to have the video of the sequence which gave rise to the detection of intruders or to have access to the photo taken at the moment of the detection to look at it, such as it could be processed by the computation module of the monitoring station.
• video and / or photo means here are of great interest to the operator who can remove the doubt and decide precisely the scope of the action to engage more reliably than with a radar control.
• the operator can then for example decide to send an intervention team on site.
• the operator can geolocate it by determining its position relative to a monitoring station using the laser range finder in the beacon head. He can take an active part in the interception phase of intruders by helping the intervention team equipped with night vision instruments by illuminating the intruder by means of the laser pointer.
• the software means integrated in the management center calculator make it possible to automate the calculation of a network configuration, thereby enabling a very fast calculation despite all the constraints taken into consideration, and it also allows, as has been summer: said previously, to adapt these theoretical plans to the constraints of the field, in an automatic calculation in real time.
• the monitoring system is especially effective since the software means are also able to organize a new distribution of tags or at least new operating data of the detection means of each of the monitoring stations, as soon as one of the posts is moved, hidden, paused, or destroyed.
• the surveillance system is quick to set up and move, and the system can be deployed and operated with a crew of two people. The .
• monitoring system is safe for the control operator, the ' ' management center being on board an off-road vehicle capable of setting up the monitoring stations and interact with them, whatever the operating conditions. the regular force of a patrol to keep a wide band of land under continuous surveillance while remaining in perfect security.
• the surveillance system has a one-week autonomy without intervention at the beacons deployed on the ground, and about a day without refueling at the management center.
• the monitoring system according to the invention is modular in particular with respect to the number and type of beacons to be deployed; on the one hand, different measurements can be made on a monitoring station and its neighbor depending on the part they have to monitor, and on the other hand, for the same measure, different detection technologies can be integrated into the different monitoring stations.
• the network layout is particularly useful when a tag has detected an intruder potential at night or in fog, it is then desired to perform an active imaging of the area which consists of a shooting.
• a cooperative mode is set up between several beacons so that the lighting is achieved by the means of intense illumination of a beacon and for the shots to be taken. realized since another beacon.
• the management center receives information from one. possible intrusion and the existence of reduced visibility, by; •• • 'the embedded light sensors of intefftiédiaire on ia -balise by Sample. An estimation is made of the determined zone in which the intrusion detected by a laser pointing by the range finder of the beacon which has carried out the intrusion detection takes place. The information is.
• beacons are operated in cooperative mode when the beacon detects an intruder in conditions of low visibility, such as night or fog.
• the optical effect of active imaging is reproduced without the complexity of the ultra-precise temporal synchronization of the source of. light.
• the video from the camera also integrated in the head of detection and identification is also usable in identifying the intruder despite its lower resolution, especially for obtaining information on the behavior of the subject.
• the management center may not be embarked on the distributor vehicle during surveillance operations but be safe in a control camp that centralizes the information. It is possible to envisage a system with several control camps and several management centers, the monitoring stations being then placed in a network of client server type.

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• Engineering & Computer Science (AREA)
• Physics & Mathematics (AREA)
• General Physics & Mathematics (AREA)
• Radar, Positioning & Navigation (AREA)
• Remote Sensing (AREA)
• Computer Networks & Wireless Communication (AREA)
• Multimedia (AREA)
• Signal Processing (AREA)
• Electromagnetism (AREA)
• Business, Economics & Management (AREA)
• Emergency Management (AREA)
• Alarm Systems (AREA)
• Burglar Alarm Systems (AREA)

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• 2011
  • 2011-03-22 FR FR1100861A patent/FR2973142B1/fr not_active Expired - Fee Related
• 2012
  • 2012-03-22 US US14/006,564 patent/US20140036085A1/en not_active Abandoned
  • 2012-03-22 EP EP12715146.2A patent/EP2689403A1/de not_active Withdrawn
  • 2012-03-22 WO PCT/IB2012/000574 patent/WO2012127312A1/fr not_active Ceased
  • 2012-03-22 CN CN201280024796.3A patent/CN103548064B/zh active Active

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