EP0764927B1 - Video surveillance system - Google Patents
Video surveillance system Download PDFInfo
- Publication number
- EP0764927B1 EP0764927B1 EP19960402009 EP96402009A EP0764927B1 EP 0764927 B1 EP0764927 B1 EP 0764927B1 EP 19960402009 EP19960402009 EP 19960402009 EP 96402009 A EP96402009 A EP 96402009A EP 0764927 B1 EP0764927 B1 EP 0764927B1
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- EP
- European Patent Office
- Prior art keywords
- images
- surveillance
- cameras
- alarm signal
- alarm
- 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.)
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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
- G08B13/19695—Arrangements wherein non-video detectors start video recording or forwarding but do not generate an alarm themselves
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- 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
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- 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
- G08B13/19678—User interface
- G08B13/19689—Remote control of cameras, e.g. remote orientation or image zooming control for a PTZ camera
Definitions
- the present invention relates to a system for video surveillance.
- the system proposed by the invention allows the monitoring of sensitive environments, presenting a high security risk.
- the invention proposes a system for video surveillance which overcomes this drawback and through which the task of monitoring operators located at the checkpoint level is considerably simplified.
- surveillance systems comprising a plurality of cameras observing a given environment, and a command post where the images recorded by the cameras are displayed, this environment is divided into a plurality of islets making subject to local surveillance, the system comprising means for transmitting at the level of each island, when an incident is detected there, an alarm signal which carries identification information, means of reception of this alarm signal, a management unit which the received signal is transmitted, which processes this signal so as to locate the island from where the alarm signal was issued.
- the invention proposes a system for surveillance of this type characterized in that it includes means for controlling a camera according to different optical orientations and adjustments, so that the same camera can view different islands, and in that, the surveillance being carried out by members of a security located at the islands, the system includes remote controls with which said members are provided for trigger the emission of an alarm signal carrying a information allowing the management unit to identify automatically and instantly the state in which finds the transmitter and automatically control and instantly, in response to this alarm signal, camera orientation and adjustment so that the control station visualizes upon detection of a alarm signal the entire island from which this signal comes alarm.
- the alarm signal can be of any kind type: over the air, infrared, cable, etc.
- Incidents are detected by others operators, and possibly by specific sensors at each of the monitored subzones.
- this is the subject a visualization processing which is automatic. So, the operators who are at the level of the command can devote itself to incident analysis detected and defining the necessary interventions.
- FIG 1 there is shown schematically an S football stadium which we want to monitor grandstands T.
- stadium S is equipped with several camera sets (rack 1 to rack 4 in figure 1) likely to observe one or more each compartments C of the stands.
- the arrows on the figure 1 illustrate for example a field of view possible for cameras in rack 4.
- the different compartments C which constitute the grandstands are each subdivided into a plurality of islets 5 which for example each correspond to approximately 1000 to 1500 spectators.
- Incident detection occurs at the level islands 5 themselves. It can be done automatically, by means of specific sensors, or be supported by members of the security team placed in the grandstands T.
- Each member is for example in charge of an island 5 he monitors by placing himself at the level of the last row grandstands.
- a member of the security team When a member of the security team detects an incident, it operates a transmitter which transmits to a general receiver a coded signal comprising a location information (e.g. number the island where it is located).
- a location information e.g. number the island where it is located.
- the cameras that are assigned to compartment C where is this island 5 are then automatically oriented on this island and preset in zoom and focus according to the planned schedule.
- the island in question is subdivided into four sectors 6, each observed by a particular camera of the same rack, these sectors each corresponding to about 250 to 300 people.
- the images thus collected are transmitted to a control station where they are displayed on four separate monitors.
- This control station thus has four complementary images allowing him to analyze the incident detected.
- the command post has the possibility to refine the orientation of the camera (s) as well as their focus and zoom so as to have, as well as illustrated in Figure 4, of the best image possible from the specific area where the incident occurred.
- the images are digitized, compressed and encrypted then stored on hard drive, with possibility of immediate destocking for reading on a screen or for storage on a photographic medium (disc optical, DAT cassette, hard disk memory, ...) or video.
- FIG. 5 we now refer to FIG. 5 in which we have schematically illustrated the different elements which make up the system proposed by the invention.
- the system includes a plurality of cameras 10 grouped on racks. These cameras 10 are mounted on turrets 11 which allow their orientation in elevation and on which they are orientable in azimuth. The orientation in elevation and in azimuth of the cameras 10 is controlled by telemetric signals S Tel which are transmitted by a management unit 13 to actuation means 12 which control the pivoting from turrets 11 as well as the tilting of the cameras 10.
- These telemetry signals S Tel also transmit information to the camera 10 for adjusting its optics 10a.
- the means 12 also exchange in the opposite direction with unit 13 to which they provide information relating to the operation of cameras 10 and turrets 11 (elevation and azimuth positions, adjustment of the optics 10a, etc.).
- the images recorded by the cameras 10 are transmitted to video matrixing means 14 where they make the subject of a video matrixing.
- the processing by the management unit 13 is implemented works on reception by receivers 15 of a signal alarm issued by a unit 16.
- Units 16 are for example as was previously described, RF remote controls operated by security team members. Other types of remote controls can be used: IR, ultrasound, etc.
- the remote controls can be simple or identifiable remote controls or provided with alphanumeric keyboards allowing the wearer to address its own functional and geographic data.
- the units 16 can also be consisting of detectors which automatically detect an incident for example depending on the movements in the monitored area (radar and volumetric sensor, barrier hyper frequency, radiating system, etc.), or function of a noise level :, of a contact (sensitive cable) or an identification, any other type of detector being of course possible.
- detectors which automatically detect an incident for example depending on the movements in the monitored area (radar and volumetric sensor, barrier hyper frequency, radiating system, etc.), or function of a noise level :, of a contact (sensitive cable) or an identification, any other type of detector being of course possible.
- the management unit 13 has a database 18 which allows its processing software 19 to recognize the source of the alarm signal received.
- the images matrixed detected by the cameras corresponding to the island concerned are transmitted to monitors 17 located at level from control station P.
- control station P selects the image that allows him to correctly understand the incident and controls the cameras 10 (zoom, focus, tilting) and the turrets 11 for example to visualize some details of the island concerned.
- the raster images received are also sent to a processing unit 20 which digitizes them and stores in a memory 21b.
- the processing unit 20 can also control at the same time the destocking of the images recorded for viewing them on one of the monitors at another station of conduct 22 or their recording on a video medium 21a in particular hard-copy (photo).
- a unit 16 emits an RF alarm signal when it is operated either manually by a member of the monitoring, either by a signal at the output of a sensor incident detection electronics, referenced by 23.
- the transmitted alarm signal is coded and carries a identification information corresponding for example to contact details of the remote control carrier or contact details location of the electronic sensor.
- the alarm signal is received by one or more receivers 15A, 15B each connected to an interface unit 24 IT, which transmits the data it receives to the management unit 13.
- FIG. 6 also shows means E for listening to the different islets monitored. The signals are also transmitted by the interface unit 24 to the processing unit 13.
- the interface unit 24 also receives from the unit processing 13 different information.
- Information are for example an MV voice message to be sent at the island from which the alarm originates, as well as data transmitted to the actuating means 12 for controlling the cameras 10 and their turrets 11.
- the cameras 10 and the turrets 11 are associated with means 25 for their preprogramming in site, azimuth, zoom and focus.
- the images recorded by the cameras 10 are transmitted to the processing unit 13 where they are the subject video matrixing (means 14), digitization and compression (processing 20a), encryption (processing 20b) and a storage 26 on memory means 21b.
- the stored images can of course be the subject destocking (processing 27), decryption and decompression (treatment 28) for review on the monitors 17.
- the digital images stored on the memory means 21b can be sent by a network of communication, for example of the ISDN type on a central control PCC external centralizing the information.
- the different information (alarm information or audio) transmitted by interface 24 to the processing 13 are processed by processing means 29 then checked at unit 30.
- unit 30 controls the different alarm signal settings, other than those identification code.
- Alarm information is processed by the software 19, which displays an alarm message and identifies, by means of its database 18, the island from which the alarm signal.
- Identification information is transmitted to processing means 31 which address the cameras 10 corresponding to the identified island whose orientation, their zoom and focal length are controlled instantly based of their preprogramming, the means 31 then commanding automatically mastering of images from of these cameras for viewing on the monitors 17.
- the software 19 also controls the network of telemetry.
- the audio signal received from the identified island is also processed at unit 32, a signal of sound emission being sent if necessary on interface 24, via computer link.
- Messages received and transmitted by the units 31 and 32 are stored on memory means 31a and 32a.
- Operators at the operator station at all times can intervene to send a signal to the island where the incident is located, order the cameras, etc ...
- the software 19 allows the cockpit operators to zoom in on cameras 10 so as to get close-ups of the area concerned, for example by using positioning preprogrammed site, azimuth, focus.
- operators can transmit to system an acknowledgment signal which then makes the 10 cameras available for other use.
- the software 19 displays at the level of the conduct a general overview of the areas monitored on which are clearly visible alarm zone.
- the security monitoring carried out at the substation control is simplified, incident detection, controls cameras to view this incident being carried out automatically, without intervention of operators located at the command post, with the automatic recording of the images and transmission of alarm message to outside.
- the system allows operators of the control station to refine the images they receive to better identify the incident and the perpetrators of cloudy when taking close-ups of certain areas initially automatically received images.
- the surveillance system proposed by the invention comes here to be described in an application to surveillance grandstands of a football stadium but maybe advantageously used for monitoring any other sensitive area.
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Description
La présente invention est relative à un système de vidéo surveillance.The present invention relates to a system for video surveillance.
Le système proposé par l'invention permet la surveillance d'environnements sensibles, présentant un haut risque en matière de sécurité.The system proposed by the invention allows the monitoring of sensitive environments, presenting a high security risk.
Il trouve en particulier avantageusement application pour la surveillance d'événements sportifs, de spectacles, de manifestation ou rassemblement de tout type, mais également de zones urbaines, de sorties d'écoles, et de façon générale de tout lieu intérieur et extérieur ou site nécessitant une surveillance accrue.He particularly finds it advantageous application for monitoring sporting events, shows, demonstration or gathering of everything type, but also of urban areas, of outings schools, and generally from any indoor location and outdoor or site requiring increased surveillance.
On connaít de nombreux systèmes de surveillance qui comportent une pluralité de caméras observant un environnement donné, les images de ces caméras étant centralisées au niveau d'un poste de commande et de surveillance où elles sont visualisées sur une pluralité de moniteurs par un ou plusieurs opérateurs.We know many surveillance systems which have a plurality of cameras observing a given environment, the images of these cameras being centralized at the level of a control station and surveillance where they are displayed on a plurality monitors by one or more operators.
Du fait des limites de l'adaptation humaine à une quantité importante d'informations, l'appréciation par les opérateurs des différentes actions qui interviennent simultanément dans les différentes zones visualisées est souvent erratique et la prise en compte des incidents n'est pas automatique.Due to the limits of human adaptation to a significant amount of information, appreciation by operators of the different actions involved simultaneously in the different areas displayed is often erratic and taking incidents into account is not automatic.
L'invention propose quant à elle un système de vidéo surveillance qui permet de pallier cet inconvénient et grâce auquel la tâche de surveillance des opérateurs qui se trouvent au niveau du poste de contrôle est considérablement simplifiée.The invention proposes a system for video surveillance which overcomes this drawback and through which the task of monitoring operators located at the checkpoint level is considerably simplified.
On connaít déjà des systèmes de surveillance comportant une pluralité de caméras observant un environnement donné, et un poste de commande où les images relevées par les caméras sont visualisées, cet environnement est divisé en une pluralité d'ílots faisant l'objet d'une surveillance locale, le système comportant des moyens permettant d'émettre au niveau de chaque ílot, lorsqu'un incident y est détecté, un signal d'alarme qui porte une information d'identification, des moyens de réception de ce signal d'alarme, une unité de gestion à laquelle le signal reçu est transmis, qui traite ce signal de façon à localiser l'ílot d'où le signal d'alarme a été émis.We already know surveillance systems comprising a plurality of cameras observing a given environment, and a command post where the images recorded by the cameras are displayed, this environment is divided into a plurality of islets making subject to local surveillance, the system comprising means for transmitting at the level of each island, when an incident is detected there, an alarm signal which carries identification information, means of reception of this alarm signal, a management unit which the received signal is transmitted, which processes this signal so as to locate the island from where the alarm signal was issued.
On pourra à cet égard avantageusement se référer à US 5 398 057 et US 5 144 661.In this regard, advantageously may be referred to US 5,398,057 and US 5,144,661.
On connaít déjà par EP 496 607 un système de surveillance vidéo comportant au moins une caméra observant un environnement donné, et un poste de commande où les images relevées par la ou les caméra(s) sont visualisées, cet environnement est divisé en une pluralité d'ílots faisant l'objet d'une surveillance locale, le système comportant des moyens permettant d'émettre au niveau de chaque ílot, lorsqu'un incident y est détecté, un signal d'alarme qui porte une information d'identification, des moyens de réception de ce signal d'alarme, une unité de gestion à laquelle le signal reçu est transmis, qui traite ce signal de façon à localiser l'ílot d'où le signal d'alarme a été émis.We already know from EP 496 607 a system of video surveillance comprising at least one camera observing a given environment, and a command post where the images taken by the camera (s) are displayed, this environment is divided into a plurality of islets subject to local monitoring, the system comprising means making it possible to transmit at the level of each island, when an incident is detected there, a signal alarm that carries identification information, means of receiving this alarm signal, a unit of management to which the received signal is transmitted, which processes this signal in order to locate the island from where the signal alarm has been issued.
L'invention propose quant à elle un système de surveillance de ce type caractérisé en ce qu'il comporte des moyens pour commander une caméra selon différentes orientations et réglages optiques, de sorte qu'une même caméra peut visualiser différents ílots, et en ce que, la surveillance étant réalisée par des membres d'un service de sécurité situés au niveau des ílots, le système comporte des télécommandes dont sont munis lesdits membres pour déclencher l'émission d'un signal d'alarme porteur d'une information permettant à l'unité de gestion d'identifier automatiquement et instantanément l'état dans lequel se trouve l'émetteur et de commander automatiquement et instantanément, en réponse à ce signal d'alarme, l'orientation et le réglage des caméras de façon que le poste de commande visualise dès la détection d'un signal d'alarme l'ensemble de l'ílot d'où provient ce signal d'alarme.The invention proposes a system for surveillance of this type characterized in that it includes means for controlling a camera according to different optical orientations and adjustments, so that the same camera can view different islands, and in that, the surveillance being carried out by members of a security located at the islands, the system includes remote controls with which said members are provided for trigger the emission of an alarm signal carrying a information allowing the management unit to identify automatically and instantly the state in which finds the transmitter and automatically control and instantly, in response to this alarm signal, camera orientation and adjustment so that the control station visualizes upon detection of a alarm signal the entire island from which this signal comes alarm.
L'émission du signal d'alarme peut être de tout type : par voie hertzienne, infrarouge, par câble, etc...The alarm signal can be of any kind type: over the air, infrared, cable, etc.
Avec un tel système, les opérateurs qui se trouvent au niveau du poste de contrôle sont déchargés de la détection. Les incidents sont détectés par d'autres opérateurs, et éventuellement par des capteurs spécifiques au niveau de chacune des sous-zones surveillées. Lorsqu'un incident est détecté dans une zone particulière, celle-ci fait l'objet d'un traitement de visualisation qui est automatique. Ainsi, les opérateurs qui se trouvent au niveau du poste de commande peuvent se consacrer à l'analyse des incidents détectés et à la définition des interventions nécessaires.With such a system, operators who find themselves at the checkpoint are discharged from the detection. Incidents are detected by others operators, and possibly by specific sensors at each of the monitored subzones. When an incident is detected in a particular area, this is the subject a visualization processing which is automatic. So, the operators who are at the level of the command can devote itself to incident analysis detected and defining the necessary interventions.
Ce système est avantageusement complété par les différentes caractéristiques suivantes, prises seules ou selon leur combinaison techniquement possible :
- il comporte des moyens permettant au poste de commande de commander les caméras pour visualiser un détail des images qui lui ont automatiquement été envoyées dès la détection d'une alarme ;
- la surveillance est réalisée par des détecteurs, par exemple de bruit, de mouvement, de contact, situés au niveau des ílots, émettant automatiquement un signal d'alarme lorsqu'ils détectent un incident ;
- il comporte des moyens pour enregistrer automatiquement et instantanément dès la détection d'une alarme en provenance d'un ílot, les images des caméras qui sont commandées pour visualiser cet ílot ;
- il comporte des moyens pour numériser ces images et les stocker sous forme numérique après compression.
- il comporte des moyens (20b) pour crypter ces images avant stockage ;
- les moyens de stockage des images numériques sont reliées à un poste central extérieur, par exemple par un réseau de communication téléphonique ;
- le poste de commande comprend des moyens de déstockage pour la visualisation immédiate ou ultérieure des images stockées ou leur stockage sur un autre support ;
- it includes means enabling the control station to control the cameras to view a detail of the images which have been automatically sent to it upon detection of an alarm;
- monitoring is carried out by detectors, for example of noise, movement, contact, located at the islands, automatically emitting an alarm signal when they detect an incident;
- it includes means for automatically and instantly recording, upon detection of an alarm from an island, the images of the cameras which are controlled to view this island;
- it includes means for digitizing these images and storing them in digital form after compression.
- it comprises means (20b) for encrypting these images before storage;
- the means for storing digital images are connected to an external central station, for example by a telephone communication network;
- the control station includes destocking means for immediate or subsequent viewing of the stored images or their storage on another medium;
D'autres caractéristiques et avantages de l'invention ressortiront encore de la description qui suit. Cette description est purement illustrative et non limitative. Elle doit être lue en regard des dessins annexés sur lesquels :
- la figure 1 est une représentation schématique représentant l'exemple d'un stade de football surveillé par un système conforme à un mode de réalisation possible pour l'invention ;
- la figure 2 est une représentation schématique illustrant la couverture d'un des ílots surveillés individuellement par les caméras du système selon l'invention ;
- la figure 3 illustre la visualisation de cet ílot au niveau des moniteurs du poste de commande ;
- la figure 4 est une représentation schématique illustrant un type d'images qui peut être visualisée au niveau du poste de commande, à partir de la visualisation automatique correspondant à celle de la figure 3 ;
- la figure 5 est un schéma synoptique illustrant le principe d'un système conforme à un mode de réalisation possible de l'invention ;
- la figure 6 est un schéma synoptique illustrant de façon plus détaillée le fonctionnement du système de la figure 5.
- Figure 1 is a schematic representation showing the example of a football stadium monitored by a system according to a possible embodiment for the invention;
- Figure 2 is a schematic representation illustrating the coverage of one of the islands individually monitored by the cameras of the system according to the invention;
- FIG. 3 illustrates the display of this island at the level of the control station monitors;
- FIG. 4 is a schematic representation illustrating a type of images which can be viewed at the control station, from the automatic viewing corresponding to that of FIG. 3;
- Figure 5 is a block diagram illustrating the principle of a system according to a possible embodiment of the invention;
- FIG. 6 is a block diagram illustrating in more detail the operation of the system of FIG. 5.
Sur la figure 1, on a représenté schématiquement un stade de football S dont on veut surveiller les tribunes T.In Figure 1, there is shown schematically an S football stadium which we want to monitor grandstands T.
A cet effet, le stade S est équipé de plusieurs
jeux de caméras (rack 1 à rack 4 sur la figure 1)
susceptibles d'observer chacun un ou plusieurs
compartiments C des tribunes. Les flèches portées sur la
figure 1 illustrent par exemple un champ de prise de vue
possible pour des caméras du rack 4.For this purpose, stadium S is equipped with several
camera sets (
Les différents compartiments C qui constituent les
tribunes sont chacun subdivisé en une pluralité d'ílots 5
qui correspondent par exemple chacun à environ 1000 à 1500
spectateurs.The different compartments C which constitute the
grandstands are each subdivided into a plurality of
La détection d'un incident intervient au niveau
des ílots 5 eux-mêmes. Elle peut être réalisée
automatiquement, au moyen de capteurs spécifiques, ou être
prise en charge par des membres de l'équipe de sécurité
placés dans les tribunes T.Incident detection occurs at the
Chaque membre est par exemple en charge d'un ílot
5 qu'il surveille en se plaçant au niveau du dernier rang
des tribunes.Each member is for example in charge of an
Lorsqu'un membre de l'équipe de sécurité détecte un incident, il actionne un émetteur qui transmet à un récepteur général un signal codé comportant une information de localisation (par exemple le numéro de l'ílot où il se trouve).When a member of the security team detects an incident, it operates a transmitter which transmits to a general receiver a coded signal comprising a location information (e.g. number the island where it is located).
Les caméras qui sont affectées au compartiment C
où se trouve cet ílot 5 sont alors automatiquement
orientées sur cet ílot et préréglées en zoom et focus
selon la programmation prévue.The cameras that are assigned to compartment C
where is this
Par exemple, ainsi qu'on l'a illustré sur les
figures 2 et 3, l'ílot en question est subdivisé en quatre
secteurs 6, chacun observé par une caméra particulière
d'un même rack, ces secteurs correspondant chacun à
environ 250 à 300 personnes.For example, as illustrated on
Figures 2 and 3, the island in question is subdivided into four
Les images ainsi relevées sont transmises à un poste de commande où elles sont visualisées sur quatre moniteurs distincts. Ce poste de commande dispose ainsi de quatre images se complétant lui permettant d'analyser l'incident détecté.The images thus collected are transmitted to a control station where they are displayed on four separate monitors. This control station thus has four complementary images allowing him to analyze the incident detected.
A ce stade, le poste de commande a la possibilité d'affiner l'orientation de la ou les caméras ainsi que leur focus et leur zoom de façon à disposer, ainsi qu'illustré sur la figure 4, de la meilleure image possible de la zone précise où l'incident s'est produit.At this stage, the command post has the possibility to refine the orientation of the camera (s) as well as their focus and zoom so as to have, as well as illustrated in Figure 4, of the best image possible from the specific area where the incident occurred.
Par ailleurs, simultanément au déclenchement d'une alarme de détection d'incident, l'enregistrement des images relevées par les caméras concernées est déclenché automatiquement, de façon à permettre de revenir sur l'incident pour l'analyser et le reproduire (preuve) immédiatement ou ultérieurement.Furthermore, simultaneously with the triggering of a incident detection alarm, recording of images taken by the cameras concerned is triggered automatically, so that you can return to the incident to analyze and reproduce it (evidence) immediately or later.
A cet effet, les images sont numérisées, comprimées et cryptées puis stockées sur disque dur, avec possibilité d'un déstockage immédiat pour lecture sur un écran ou pour stockage sur un support photographique (disque optique, cassette DAT, mémoire disque dur,...) ou vidéo.For this purpose, the images are digitized, compressed and encrypted then stored on hard drive, with possibility of immediate destocking for reading on a screen or for storage on a photographic medium (disc optical, DAT cassette, hard disk memory, ...) or video.
L'enregistrement cesse lorsque le poste de contrôle fournit au système un signal d'acquittement d'alarme.Recording stops when the checkpoint provides the system with an alarm acknowledgment signal.
L'opérateur garde bien entendu la possibilité de déclencher un enregistrement de sa propre initiative.The operator naturally retains the possibility of trigger a recording on its own initiative.
On se réfère maintenant à la figure 5 sur laquelle on a illustré schématiquement les différents éléments qui composent le système proposé par l'invention.We now refer to FIG. 5 in which we have schematically illustrated the different elements which make up the system proposed by the invention.
Ainsi qu'exposé précédemment, le système comporte
une pluralité de caméras 10 regroupées sur des racks. Ces
caméras 10 sont montées sur des tourelles 11 qui permettent
leur orientation en site et sur lesquelles elles sont
orientables en azimut. L'orientation en site et en azimut
des caméras 10 est commandée par des signaux télémétriques
STel qui sont transmis par une unité de gestion 13 à des
moyens d'actionnement 12 qui commandent le pivotement dès
tourelles 11 ainsi que le basculement des caméras 10.As explained above, the system includes a plurality of
Ces signaux télémétriques STel transmettent également
à la caméra 10 des informations pour le réglage de son
optique 10a.These telemetry signals S Tel also transmit information to the
Les moyens 12 échangent en outre en sens inverse
avec l'unité 13 à laquelle ils fournissent des informations
relatives au fonctionnement des caméras 10 et des tourelles
11 (positions en site et azimut, réglage des optiques 10a,
etc).The means 12 also exchange in the opposite direction
with
Les images relevées par les caméras 10 sont
transmises à des moyens 14 de matriçage vidéo où elles font
l'objet d'un matriçage vidéo.The images recorded by the
Le traitement par l'unité de gestion 13 est mis en
oeuvre à la réception par des récepteurs 15 d'un signal
d'alarme émis par une unité 16. The processing by the
Les unités 16 sont par exemple, ainsi que cela a été
précédemment décrit, des télécommandes RF actionnées par des
membres de l'équipe de sécurité. D'autres types de
télécommandes peuvent être utilisées : IR, ultrasons, etc.
Egalement, les télécommandes peuvent être des télécommandes simples ou identifiables ou pourvues de claviers alphanumériques permettant au porteur d'adresser ses propres données fonctionnelles et géographiques.Also, the remote controls can be simple or identifiable remote controls or provided with alphanumeric keyboards allowing the wearer to address its own functional and geographic data.
En variante, les unités 16 peuvent également être
constituées par des détecteurs qui détectent automatiquement
un incident par exemple en fonction des mouvements dans la
zone surveillée (radar et capteur volumétrique, barrière
hyper fréquence, système rayonnant, etc), ou encore en
fonction d'un niveau de bruit:, d'un contact (câble sensible)
ou d'une identification, tout autre type de détecteur étant
bien entendu envisageable.Alternatively, the
L'unité de gestion 13 dispose d'une base de données
18 qui permet à son logiciel de traitement 19 de reconnaítre
la provenance du signal d'alarme reçu.The
Lorsqu'un signal d'alarme est reçu, les images
matricées relevées par les caméras correspondant à l'ílot
concerné sont transmises à des moniteurs 17 situés au niveau
du poste de commande P.When an alarm signal is received, the images
matrixed detected by the cameras corresponding to the island
concerned are transmitted to
L'opérateur du poste de commande P sélectionne alors
l'image qui lui permet de correctement appréhender
l'incident et commande les caméras 10 (zoom, focus,
basculement) et les tourelles 11 par exemple pour visualiser
certains détails de l'ílot concerné.The operator of the control station P then selects
the image that allows him to correctly understand
the incident and controls the cameras 10 (zoom, focus,
tilting) and the
Les images matricées reçues sont par ailleurs
envoyées sur une unité de traitement 20 qui les numérise et
stocke dans une mémoire 21b.The raster images received are also
sent to a
L'unité de traitement 20 peut également commander
parallèlement le déstockage des images enregistrées pour
leur visualisation sur l'un des moniteurs d'un autre poste
de conduite 22 ou leur enregistrement sur un support vidéo
21a notamment hard-copie (photo).The
Le synoptique de fonctionnement d'un tel système a été illustré sur la figure 6.The operating diagram of such a system has shown in Figure 6.
Une unité 16 émet un signal d'alarme RF lorsqu'il
est actionné soit manuellement par un membre de l'équipe de
surveillance, soit par un signal en sortie d'un capteur
électronique de détection d'incident, référencé par 23.A
Le signal d'alarme transmis est codé et porte une information d'identification correspondant par exemple aux coordonnées du porteur de la télécommande ou aux coordonnées de localisation du capteur électronique.The transmitted alarm signal is coded and carries a identification information corresponding for example to contact details of the remote control carrier or contact details location of the electronic sensor.
Le signal d'alarme est reçu par un ou plusieurs
récepteurs 15A, 15B reliés chacun à une unité 24 d'interface
informatique, qui transmet les données qu'elle reçoit à
l'unité de gestion 13.The alarm signal is received by one or
Sur la figure 6, on a également représenté des
moyens E pour l'écoute des différents ílots surveillés. Les
signaux sont également transmis par l'unité d'interface 24 à
l'unité de traitement 13.FIG. 6 also shows
means E for listening to the different islets monitored. The
signals are also transmitted by the
L'unité d'interface 24 reçoit également de l'unité
de traitement 13 différentes informations. Les informations
sont par exemple un message vocal MV à émettre au niveau de
l'ílot d'où provient l'alarme, ainsi que des données
transmises aux moyens d'actionnement 12 pour la commande des
caméras 10 et de leurs tourelles 11.The
Par ailleurs, les caméras 10 et les tourelles 11
sont associés à des moyens 25 pour leur préprogrammation en
site, azimut, zoom et focus.Furthermore, the
Les images relevées par les caméras 10 sont
transmises à l'unité de traitement 13 où elle font l'objet
d'un matriçage vidéo (moyens 14), d'une numérisation et
d'une compression (traitement 20a), d'un cryptage
(traitement 20b) et d'un stockage 26 sur des moyens mémoire
21b. Les images stockées peuvent bien entendu faire l'objet
d'un déstockage (traitement 27), d'un décryptage et d'une
décompression (traitement 28) pour revisualisation sur les
moniteurs 17.The images recorded by the
Par ailleurs, les images numériques stockées sur les moyens mémoire 21b peuvent être envoyées par un réseau de communication, par exemple de type RNIS sur un poste de commande centrale PCC extérieur centralisant les informations.In addition, the digital images stored on the memory means 21b can be sent by a network of communication, for example of the ISDN type on a central control PCC external centralizing the information.
Les différentes informations (informations d'alarmes
ou sonores) transmises par l'interface 24 à l'unité de
traitement 13 sont traitées par des moyens de traitement 29
puis contrôlées au niveau d'une unité 30.The different information (alarm information
or audio) transmitted by
Par exemple, l'unité 30 contrôle les différents
paramétrages du signal d'alarme, autres que ceux
d'identification de l'émetteur.For example,
Il peut par exemple être prévu pour les signaux d'alarme un paramétrage suivant quatre catégories donnant déjà aux opérateurs une information sur l'évolution de l'incident : énoncé d'une adresse géographique très précise, identification de localisation sans précision certaine, mais circonscrite à l'ílot correspondant, incident se déplaçant, incident se déplaçant sur d'autres ílots, le phénomène s'éloignant du lieu de l'évènement initial.It can for example be provided for signals alarm setting according to four categories giving operators already have information on the evolution of the incident: statement of a very precise geographic address, location identification without certain precision, but circumscribed to the corresponding island, moving incident, incident moving to other islets, the phenomenon moving away from the place of the initial event.
Les informations d'alarme sont traitées par le
logiciel 19, qui affiche un message d'alarme et identifie,
au moyen de sa banque de données 18, l'ílot d'où provient le
signal d'alarme.Alarm information is processed by the
L'information d'identification est transmise à des
moyens de traitement 31 qui adressent les caméras 10
correspondant à l'ílot identifié dont l'orientation, leur
zoom et leur focal sont commandés instantanément en fonction
de leur préprogrammation, les moyens 31 commandant alors
automatiquement le matriçage des images en provenance
de ces caméras pour leur visualisation sur
les moniteurs 17.Identification information is transmitted to
processing means 31 which address the
Le logiciel 19 commande également le réseau de
télémétrie.The
Le signal audio reçu de l'ílot identifié est
également traité au niveau d'une unité 32, un signal
d'émission sonore étant envoyé le cas échéant sur
l'interface 24, via la liaison informatique.The audio signal received from the identified island is
also processed at
Les messages reçus et transmis par les unités 31
et 32 sont stockés sur des moyens mémoire 31a et 32a.Messages received and transmitted by the
A tout moment, les opérateurs du poste de conduite peuvent intervenir pour émettre un signal en direction de l'ílot où se situe l'incident, commander les caméras, etc...Operators at the operator station at all times can intervene to send a signal to the island where the incident is located, order the cameras, etc ...
En particulier, le logiciel 19 permet aux
opérateurs du poste de conduite de commander un zoom des
caméras 10 de façon à obtenir des gros plans de la zone
concernée, par exemple en utilisant des positionnements
site, azimut, focus préprogrammés.In particular, the
Egalement, les opérateurs peuvent transmettre au système un signal d'acquittement qui rend alors les caméras 10 disponibles pour une autre utilisation.Also, operators can transmit to system an acknowledgment signal which then makes the 10 cameras available for other use.
Le logiciel 19 affiche au niveau du poste de
conduite un synoptique général des zones surveillées sur
lesquelles est portée de façon clairement visualisable la
zone sous alarme.The
Avec un tel système, comme on aura compris, la surveillance de sécurité réalisée au niveau du poste commande est simplifiée, la détection d'un incident, la commande des caméras de façon à visualiser cet incident étant réalisée automatiquement, sans intervention des opérateurs se trouvant au niveau du poste de commande, avec le cas échéant l'enregistrement automatique des images et la transmission de message d'alarme vers l'extérieur.With such a system, as we will have understood, the security monitoring carried out at the substation control is simplified, incident detection, controls cameras to view this incident being carried out automatically, without intervention of operators located at the command post, with the automatic recording of the images and transmission of alarm message to outside.
Par ailleurs, le système permet aux opérateurs du poste de commande d'affiner les images qu'ils reçoivent pour encore mieux identifier l'incident et les fauteurs de trouble en réalisant des gros plans sur certaines zones des images initialement automatiquement reçues.In addition, the system allows operators of the control station to refine the images they receive to better identify the incident and the perpetrators of cloudy when taking close-ups of certain areas initially automatically received images.
Bien entendu, ainsi que cela a déjà été indiqué, le système de surveillance proposé par l'invention vient ici d'être décrit dans une application à la surveillance des tribunes d'un stade de football mais peut être avantageusement utilisé pour la surveillance de toute autre zone sensible.Of course, as already stated, the surveillance system proposed by the invention comes here to be described in an application to surveillance grandstands of a football stadium but maybe advantageously used for monitoring any other sensitive area.
Claims (9)
- Video surveillance system comprising a plurality of cameras (10) observing a given environment, and a control station (P) where the images captured by the cameras (10) are displayed, this environment is divided into a plurality of bays (5) forming the subject of local surveillance, the system comprising means (16) making it possible to transmit at the level of each bay, when an incident is detected therein, an alarm signal which carries identification information, means (15, 15A, 15B) of reception of this alarm signal, a management unit (13) to which the signal received is sent, which processes the signal in such a way as to locate the bay (5) from where the alarm signal has been transmitted, characterized in that it comprises means for controlling a camera according to various orientations and optical settings, so that one and the same camera can display various bays, and in that, the surveillance being carried out by members of a security service who are situated at the level of the bays, the system comprises remote controls with which said members are furnished in order to trigger the transmission of an alarm signal carrying information allowing the management unit to automatically and instantaneously identify the current state of the transmitter and to automatically and instantaneously control, in response to this alarm signal, the orientation and setting of the cameras, so that the control station (P) displays the entire bay (5) from which an alarm signal originates as soon as this alarm signal is detected.
- Surveillance system according to Claim 1, characterized in that it comprises means (P, 31) allowing the control station (P) to control the cameras (10) so as to display a detail of the images which have been automatically dispatched to it as soon as an alarm is detected.
- System to according to one of the preceding claims, characterized in that the surveillance is carried out by detectors (23), for example noise detectors, motion detectors, contact detectors, situated at the level of the bays, automatically transmitting an alarm signal when they detect an incident.
- System according to one of the preceding claims, characterized in that it comprises means (20, 21b) for automatically and instantaneously recording the images from the cameras (10) which are controlled so as to display a bay (5) as soon as an alarm originating from this bay (5) is detected.
- System according to Claim 4, characterized in that it comprises means (20a) for digitizing these images and storing them in digital form after compression.
- System according to Claim 5, characterized in that it comprises means (20b) for encrypting these images before storage.
- System according to one of Claims 5 or 6, characterized in that the means (21b) for storing the digital images are linked to an external central station (PCC), for example by a telephone communication network.
- System according to one of Claims 5 to 7, characterized in that the control station (P) comprises destorage means (27) for the immediate or subsequent displaying of the images stored or their storage on another medium.
- Use of the system according to one of the preceding claims for the surveillance of football stadiums, urban surveillance, car park surveillance and generally of any sensitive sites.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR9511157A FR2739207B1 (en) | 1995-09-22 | 1995-09-22 | VIDEO SURVEILLANCE SYSTEM |
FR9511157 | 1995-09-22 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0764927A1 EP0764927A1 (en) | 1997-03-26 |
EP0764927B1 true EP0764927B1 (en) | 2002-09-04 |
Family
ID=9482840
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP19960402009 Expired - Lifetime EP0764927B1 (en) | 1995-09-22 | 1996-09-23 | Video surveillance system |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP0764927B1 (en) |
DE (1) | DE69623403T2 (en) |
ES (1) | ES2180717T3 (en) |
FR (1) | FR2739207B1 (en) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL1005730C2 (en) * | 1997-04-04 | 1998-10-07 | Nedap Nv | Security system with person protection device. |
MXPA02004015A (en) * | 1999-10-22 | 2003-09-25 | Activesky Inc | An object oriented video system. |
NL1022036C2 (en) * | 2002-11-29 | 2004-06-03 | Mobile Observation Systems B V | Device for registering visual information, assembly of a grandstand and similar device, stadium, and method for monitoring visual supervision of persons in a stadium. |
WO2008063041A1 (en) * | 2006-11-23 | 2008-05-29 | Eduardo Ayala Vargas | Surveillance system by transmission of sound and images in commercial aircraft |
US8251597B2 (en) | 2009-10-16 | 2012-08-28 | Wavecam Media, Inc. | Aerial support structure for capturing an image of a target |
EP4167586A1 (en) * | 2021-10-14 | 2023-04-19 | COCOSOFT Systems GmbH | Method for controlling a camera of a court room media system |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3602299A1 (en) * | 1986-01-27 | 1987-07-30 | Bernd A Langenfeld | Person detection and identification system |
US5012335A (en) * | 1988-06-27 | 1991-04-30 | Alija Cohodar | Observation and recording system for a police vehicle |
GB9101548D0 (en) * | 1991-01-24 | 1991-03-06 | Stc Plc | Surveillance system |
US5144661A (en) * | 1991-02-11 | 1992-09-01 | Robert Shamosh | Security protection system and method |
US5398057A (en) * | 1993-01-12 | 1995-03-14 | Tapp; Hollis M. | Security and surveillance system |
-
1995
- 1995-09-22 FR FR9511157A patent/FR2739207B1/en not_active Expired - Fee Related
-
1996
- 1996-09-23 EP EP19960402009 patent/EP0764927B1/en not_active Expired - Lifetime
- 1996-09-23 DE DE1996623403 patent/DE69623403T2/en not_active Expired - Fee Related
- 1996-09-23 ES ES96402009T patent/ES2180717T3/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
EP0764927A1 (en) | 1997-03-26 |
ES2180717T3 (en) | 2003-02-16 |
FR2739207A1 (en) | 1997-03-28 |
DE69623403D1 (en) | 2002-10-10 |
DE69623403T2 (en) | 2003-04-17 |
FR2739207B1 (en) | 1997-12-19 |
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