EP1960973A1 - Procede de securisation d un acces physique et dispositif d acces implementant le procede - Google Patents
Procede de securisation d un acces physique et dispositif d acces implementant le procedeInfo
- Publication number
- EP1960973A1 EP1960973A1 EP06829334A EP06829334A EP1960973A1 EP 1960973 A1 EP1960973 A1 EP 1960973A1 EP 06829334 A EP06829334 A EP 06829334A EP 06829334 A EP06829334 A EP 06829334A EP 1960973 A1 EP1960973 A1 EP 1960973A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- parameters
- fraud
- access
- type
- sensor systems
- 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.)
- Granted
Links
Classifications
-
- G—PHYSICS
- G07—CHECKING-DEVICES
- G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
- G07C9/00—Individual registration on entry or exit
- G07C9/10—Movable barriers with registering means
- G07C9/15—Movable barriers with registering means with arrangements to prevent the passage of more than one individual at a time
-
- G—PHYSICS
- G07—CHECKING-DEVICES
- G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
- G07C9/00—Individual registration on entry or exit
- G07C9/30—Individual registration on entry or exit not involving the use of a pass
- G07C9/32—Individual registration on entry or exit not involving the use of a pass in combination with an identity check
- G07C9/33—Individual registration on entry or exit not involving the use of a pass in combination with an identity check by means of a password
Definitions
- the invention lies in the field of physical access control at the exits of a sensitive area and more particularly the control of the uniqueness of a person crossing a controlled passage.
- This domain groups together two types of problematic, the first of which consists in authenticating a person presenting himself, the second consisting in ensuring that only the authenticated person crosses the controlled passage in order to guard against a fraud in which an unauthorized person takes advantage of the passage of a person authorized to sneak ("tailgating" in English).
- EP 1 100 050 A1 discloses systems for counting people using an input by video image processing. In this document, only one type of sensor is used. It is also known from US 2002/0067259 A1 to use several types of sensors to determine the presence of a person and its uniqueness. In this document, it is described to correlate the data of several sensors, a beam cut-off configuration and a heat detector, to detect a non-human object so as to discriminate a person with luggage from an intrusion. US 2004/0188185, for its part, describes correlating the information of a heat image and an optical image to count the number of people present in a space. In EP 1 308 905 A1 is described the use of a pressure-sensitive pad for detecting the presence of people, their direction of movement, and counting from the carpet data and their evolution over time. .
- the invention aims to improve the detection rate of fraud attempts during the passage of a person in a controlled space. It is based on the use of different sets of parameters from at least two different sensor systems, some of these sets of parameters being based on correlations of measurements from these different sensor systems. An apprenticeship is made to characterize different types of fraud and then allow the identification of a fraud attempt by correlation between the measurements obtained and the characterizations of each type of fraud for each set of parameters.
- the invention relates to a method for securing a physical access having a plurality of sensor systems (1.4, 1.5, 1.6), said method for discriminating a valid access from a fraudulent access attempt, comprising the following steps: in a preliminary phase:
- the probability of fraud associated with each type of fraud for each set of parameters is estimated by calculating a distance between the set of values determined during this access and the class corresponding to the type of fraud for this set of parameters.
- this distance is an algebraic distance between the determined set of values and the centroid of the class.
- the probability of fraud associated with each type of fraud for each set of parameters is estimated by a neuromimetic network and where the class learning determination step comprises a training step of this neuromimetic network.
- the sensor systems comprise a camera system (1.5, 1.6) providing profile images (1.8, 1.9, Fig. 3).
- the sensor systems comprise a ground pressure carpet system (1.4) providing pressure images (1.7, Fig. 4).
- the invention also relates to a device for securing a physical access comprising:
- control space a control space; a plurality of sensor systems in this control space (1.4, 1.5,
- means for analyzing information from the sensor systems (1.9); and knowing that at least one set of parameters from the sensor systems is determined, at least one set of parameters from at least two different sensor systems, being determined by learning, for each set of parameters and for each type of sensor.
- fraud envisaged, a class of game settings value space corresponding to this type of fraud for this set of parameters, the means of analysis include: means for determining sets of values formed of the values taken by each parameter of each set of parameters for this access; means for determining a fraud probability associated with each type of fraud and for each set of parameters, as a function of the set of values determined during this access and of the class corresponding to the type of fraud for this set of parameters;
- Fig. 1 is a block diagram of an embodiment of the invention.
- Fig. 2 graphically represents a class of characterization of a type of fraud in the space of a set of parameters according to one embodiment of the invention.
- Fig. 3 represents an example of a profile image obtained by a camera.
- Fig. 4 represents an example of a pressure image obtained by a pressure belt.
- Fig. 5 represents an example of pressure image corresponding to a passage followed, back to back by "sticking the feet".
- Fig. 6 represents a flowchart of the method.
- the measuring means used can be of all kinds: pressure sensor, temperature, optical means (camera, laser beams ). Similarly, the measurement analysis can be more or less consolidated (combined or independent use of the data), interpreted (taking into account dynamic or static factors), etc.
- the system described here is based on a uniqueness detection system using a ground pressure pad.
- the interest of a system of this type is to observe the contact with the soil and its evolution over time in order to be able to deduce the number of people present according to the traces present on the ground and their evolution. Nevertheless, there are very simple ways to defraud such a system by reducing ground contacts. For example, two people can pass simultaneously if they are close enough to each other.
- the object of the invention is to consolidate the existing uniqueness detection using a combination of ground pressure sensors and cameras and / or profile detection, and to deal with fraud attempts with a data fusion algorithm. and behavioral analysis of detected objects.
- the algorithm makes it possible to classify the passage according to the type of possible attacks by comparing the measurements made and the various classes associated with the types of fraud envisaged, the decision of fraud or not is then taken according to the class.
- the invention is carried out within an airlock controlling an access.
- This airlock is shown schematically in FIG. 1.
- a 1.1 person crosses the airlock from left to right.
- the airlock is equipped with a number of sensor systems.
- We call sensor system a system for the acquisition of information and based on a plurality of sensors of the same type.
- the airlock is equipped at ground level with a first sensor system consisting of a pressure sensitive mat 1.4. This carpet provides a two-dimensional image of 1.7 pressure providing in each of its points your value of the pressure exerted.
- An example of these pressure images is shown in FIG. 4.
- the airlock is also provided with a second sensor system consisting of video cameras 1.5 and 1.6. These cameras are two in the embodiment, but their number may be higher or lower depending on the amount of information that is desired. One can, in particular, add a camera on the top. These cameras provide profile images 1.2, 1.3 to determine profiles 1.8, 1.9 associated with people or objects in the airlock.
- the floor and the walls of the airlock can be of saturated colors in order to limit the problems induced by the shadows carried by the persons or objects present in the airlock.
- An example of a profile image is shown in FIG. 3.
- the airlock is, moreover, generally provided with authentication means not shown as a badge reader or biometric identification means such as an eye iris reader or fingerprint.
- the airlock is typically connected to data acquisition means produced by the sensor systems, means for analyzing these data, decision-making and control.
- These means may consist of a computer 1.9 which is provided with a hard disk for storing received images, both pressure and profiles, as well as programs necessary to process these images and extract the parameters that are used to determine whether the passage is validated or not.
- this computer can, for example, allow the opening of a door located at the end of the lock. Otherwise, the door remains closed and an alarm can be sent to a monitoring station or other.
- a person wishing to defraud and therefore enter without authorization usually tries to take advantage of the passage of an authorized person to sneak through the door via the airlock. This attempt may be made without the knowledge of the authorized person assume, for example, that the next person is also authorized. This attempt can also be made with the complicity of the authorized person or by coercion. It is therefore for the fraudster to try to deceive the sensor systems trying to hide his passage. To do this, he can try to stick to the first person, for example back-to-back, to deceive the cameras and stick his feet to those of the first person so that the system only distinguishes two "large" footprints see, for example, the pressure image FIG. 6. We will call this type of fraud "fraud stuck".
- the fraudster may also attempt to squat, or by staying exactly on the side of the authorized person. Some special cases may also cause problems in recognizing a child next to an adult or even a baby in the arms of his mother. These fraud attempts are only examples of possible types of fraud.
- the stake of the system is thus to be able to discriminate the valid passages of a single person and this whatever the size, the diverence, the holding or the luggage of this person of an attempt of fraud like those which we come from to describe.
- parameters can be data directly derived from the sensors or parameters calculated from the information provided.
- profile images For the camera system, it is possible to obtain from the images taken, so-called profile images. These images are obtained by discriminating the subject from the background. The necessary digital image processing techniques are known. Once these profile images have been obtained, it is possible to extract parameters as shown in FIG. 3. The location of the center of gravity 3.3 of the object 3.2, its height 3.6, its width 3.5 is easily obtained. By analyzing the images over time, it is also possible to extract the average speed 3.4 from the center of gravity. It is also possible to apply an algorithm to count the heads, in fact an algorithm that will count the excrescences of the profile 5.1 in its upper part. By crossing profiles from several cameras, it is still possible to calculate the volume of the object, as well as the distribution of this volume according to the height of the object. One can, for example, choose to divide the height in three equal parts and determine the percentage of the volume located in the lower part, the middle part and the upper part of the object. These parameters are only examples of the possible parameters from the camera system.
- parameters are extracted from the sensor system constituted by the pressure belt.
- Pressure images such as those illustrated in FIG. 4, also make it possible to obtain for each object 4.2, its height 4.6, its width 4.5 and the overall center of gravity of the detected objects 4.3.
- a study of the evolution over time of the objects makes it possible to calculate the speed of displacement 4.4 average of this. center of gravity as well as the average over time of the previous values. It is also possible to calculate an overall height and width.
- An integration of the pressure values allows an estimation of the total weight of the objects present in the airlock.
- the fact of using at least two sensor systems makes it possible to calculate additional parameters resulting from the correlation of information provided by each of the sensor systems. It is for example possible to establish a volume / weight ratio of the objects present in the airlock, or the difference in speed of movement between the objects detected by the cameras and the objects detected by the pressure belt. It is also possible to compare the positions and the number of ground contacts with the objects detected by the cameras.
- a number of parameter sets are thus defined as shown in FIG. 6, step 6.1.
- the selected parameters from a sensor system are matched to a set of parameters.
- the parameters resulting from the correlation between two sensor systems will also provide a set of parameters.
- the system is therefore able to calculate a set of sets of values for each set of parameters corresponding to this access.
- Each set of parameters can be viewed as a multidimensional space where each dimension corresponds to a parameter.
- the calculated values for each parameter define a vector in this space representing the set of values. This is illustrated in Fig. 2.
- a space of dimension three corresponding to a set of three parameters.
- Each of the dimensions 2.1, 2.2, 2.3 thus corresponds to a parameter of the game.
- the vector 2.3 corresponds to the values measured or calculated during a given passage.
- the successive measurements of different passages give a collection of vectors defining a class of values corresponding to these passages. Such a class 2.5 is shown in FIG. 2.
- a class corresponding to the measurements made during a series of passages is thus defined. If such series of measurements are taken for valid passages and then for passages corresponding to fraud attempts, classes corresponding to a valid passage and classes corresponding to the types of fraud envisaged are established for each set of parameters. Thus, as shown in FIG. 6, step 6.2, and for each set of parameters, a class corresponding to the various fraud attempts.
- one wants to classify a passage or access When one wants to classify a passage or access, one begins by acquiring the information of each sensor system. This information is then used to calculate the parameters corresponding to each set of parameters. The sets of values corresponding to each set of parameters are thus obtained, as shown in FIG. 6, step 6.3. It is therefore possible to calculate a distance measurement between the values of measured and / or calculated parameters of a set of parameters and the different classes corresponding to the different types of passages. This measure of distance can be a simple algebraic distance between the measured vector and the centroid of the vectors of the class or any other measure of distance in space. From this distance we deduce a probability that the passage belongs to the class considered, as shown in FIG. 6, step 6.4. Each set of parameters is thus classified and a probability is associated with this classification. The classification of the passage is carried out by consolidating the classifications obtained for each set of parameters, as illustrated in FIG. 6, step 6.5.
- the classification steps of a set of parameters can be performed by a formal neural network, otherwise known as a neuromimetic network.
- a formal neural network otherwise known as a neuromimetic network.
- These networks operate on the model of an interconnection of formal neurons, each of its formal neurons performing a weighted sum of its inputs and applying to this sum a nonlinear output function which may be a simple threshold or a more sophisticated function such as sigmoid function.
- the knowledge or information stored in the network corresponds to the synaptic weights of each neuron, these weights being calculated by learning. This learning is done using a "training" algorithm which consists in modifying the synaptic weights according to a data set presented at the input of the network. The purpose of this training is to allow the neural network to "learn" from the examples.
- the network is able to provide output responses very close to the original values of the training data set.
- all the interest of neural networks lies in their ability to generalize from the test game.
- Such a network of neurons driven on the passages constituting the classes during a learning phase is thus able to reliably perform a classification of the passages and to give for each passage a probability associated with each set of parameters and each passage or access.
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Burglar Alarm Systems (AREA)
- Alarm Systems (AREA)
- Debugging And Monitoring (AREA)
- Image Analysis (AREA)
- Closed-Circuit Television Systems (AREA)
- Collating Specific Patterns (AREA)
- Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR0512857A FR2895122B1 (fr) | 2005-12-16 | 2005-12-16 | Procede de securisation d'un acces physique et dispositf d'acces implementant le procede |
PCT/EP2006/011700 WO2007068385A1 (fr) | 2005-12-16 | 2006-12-06 | Procede de securisation d’un acces physique et dispositif d’acces implementant le procede |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1960973A1 true EP1960973A1 (fr) | 2008-08-27 |
EP1960973B1 EP1960973B1 (fr) | 2011-10-12 |
Family
ID=36761794
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP06829334A Not-in-force EP1960973B1 (fr) | 2005-12-16 | 2006-12-06 | Procede de securisation d un acces physique et dispositif d acces implementant le procede |
Country Status (13)
Country | Link |
---|---|
US (1) | US7847688B2 (fr) |
EP (1) | EP1960973B1 (fr) |
CN (1) | CN101385050B (fr) |
AT (1) | ATE528735T1 (fr) |
AU (1) | AU2006326345B2 (fr) |
BR (1) | BRPI0619993B1 (fr) |
CA (1) | CA2634228C (fr) |
ES (1) | ES2372761T3 (fr) |
FR (1) | FR2895122B1 (fr) |
MY (1) | MY149945A (fr) |
PT (1) | PT1960973E (fr) |
WO (1) | WO2007068385A1 (fr) |
ZA (1) | ZA200805553B (fr) |
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US8364646B2 (en) | 2006-03-03 | 2013-01-29 | Eyelock, Inc. | Scalable searching of biometric databases using dynamic selection of data subsets |
US8604901B2 (en) | 2006-06-27 | 2013-12-10 | Eyelock, Inc. | Ensuring the provenance of passengers at a transportation facility |
US8965063B2 (en) | 2006-09-22 | 2015-02-24 | Eyelock, Inc. | Compact biometric acquisition system and method |
EP2100253A4 (fr) | 2006-10-02 | 2011-01-12 | Global Rainmakers Inc | Système et procédé de transaction financière biométrique résistant à la fraude |
US20100131414A1 (en) * | 2007-03-14 | 2010-05-27 | Gavin Randall Tame | Personal identification device for secure transactions |
US8953849B2 (en) | 2007-04-19 | 2015-02-10 | Eyelock, Inc. | Method and system for biometric recognition |
WO2008131201A1 (fr) | 2007-04-19 | 2008-10-30 | Global Rainmakers, Inc. | Procédé et système de reconnaissance biométrique |
US8553948B2 (en) | 2007-09-01 | 2013-10-08 | Eyelock, Inc. | System and method for iris data acquisition for biometric identification |
US9036871B2 (en) | 2007-09-01 | 2015-05-19 | Eyelock, Inc. | Mobility identity platform |
US9002073B2 (en) | 2007-09-01 | 2015-04-07 | Eyelock, Inc. | Mobile identity platform |
US8212870B2 (en) | 2007-09-01 | 2012-07-03 | Hanna Keith J | Mirror system and method for acquiring biometric data |
US9117119B2 (en) | 2007-09-01 | 2015-08-25 | Eyelock, Inc. | Mobile identity platform |
DE102008016516B3 (de) * | 2008-01-24 | 2009-05-20 | Kaba Gallenschütz GmbH | Zugangskontrollvorrichtung |
WO2009158662A2 (fr) | 2008-06-26 | 2009-12-30 | Global Rainmakers, Inc. | Procédé de réduction de visibilité d'éclairement tout en acquérant une imagerie de haute qualité |
DE102010011225B3 (de) * | 2010-03-12 | 2011-02-24 | Mühlbauer Ag | Personendurchgangskontrolle mit Kamerasystem |
US20110258117A1 (en) * | 2010-04-14 | 2011-10-20 | Dfs Services Llc | Modification of payment transactions in real-time based upon external data source |
WO2012017266A1 (fr) * | 2010-08-03 | 2012-02-09 | In-Side Technology Di Bernardi Paolo | Procédé et dispositif de commande d'accès |
US10043229B2 (en) | 2011-01-26 | 2018-08-07 | Eyelock Llc | Method for confirming the identity of an individual while shielding that individual's personal data |
EP2676223A4 (fr) | 2011-02-17 | 2016-08-10 | Eyelock Llc | Procédé et système efficaces pour l'acquisition d'images d'un lieu et d'images d'un iris à l'aide d'un seul capteur |
US9124798B2 (en) | 2011-05-17 | 2015-09-01 | Eyelock Inc. | Systems and methods for illuminating an iris with visible light for biometric acquisition |
US9142106B2 (en) * | 2012-05-23 | 2015-09-22 | Honeywell International, Inc. | Tailgating detection |
CN103778691A (zh) * | 2012-10-18 | 2014-05-07 | 唐毅 | 一种基于足部压力的人流量检测系统 |
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CN109118623B (zh) * | 2015-12-28 | 2021-01-12 | 王成财 | 一种检票监控方法 |
US10268166B2 (en) | 2016-09-15 | 2019-04-23 | Otis Elevator Company | Intelligent surface systems for building solutions |
JP6603290B2 (ja) * | 2017-10-27 | 2019-11-06 | ファナック株式会社 | 複数のセンサを備えた物体監視装置 |
US20190208018A1 (en) | 2018-01-02 | 2019-07-04 | Scanalytics, Inc. | System and method for smart building control using multidimensional presence sensor arrays |
US10529155B1 (en) * | 2018-10-15 | 2020-01-07 | Alibaba Group Holding Limited | Employing pressure signatures for personal identification |
US11595723B2 (en) | 2020-08-20 | 2023-02-28 | The Nielsen Company (Us), Llc | Methods and apparatus to determine an audience composition based on voice recognition |
US11763591B2 (en) * | 2020-08-20 | 2023-09-19 | The Nielsen Company (Us), Llc | Methods and apparatus to determine an audience composition based on voice recognition, thermal imaging, and facial recognition |
US11553247B2 (en) | 2020-08-20 | 2023-01-10 | The Nielsen Company (Us), Llc | Methods and apparatus to determine an audience composition based on thermal imaging and facial recognition |
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EP1493130A1 (fr) * | 2002-04-08 | 2005-01-05 | Newton Security, Inc. | Detection d'acces a califourchon et d'ecriture contrepassee, alarme, enregistrement et prevention utilisant une vision artificielle |
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FR2871602B1 (fr) * | 2004-06-11 | 2018-08-17 | Yves Thepault | Dispositif de controle d'acces physique des personnes a verification de l'unicite de passage |
US20060136746A1 (en) * | 2004-12-18 | 2006-06-22 | Al-Khateeb Osama O M | Security system for preventing unauthorized copying of digital data |
US20060190419A1 (en) * | 2005-02-22 | 2006-08-24 | Bunn Frank E | Video surveillance data analysis algorithms, with local and network-shared communications for facial, physical condition, and intoxication recognition, fuzzy logic intelligent camera system |
CN100511287C (zh) * | 2005-03-16 | 2009-07-08 | 河北天琴电子技术开发有限公司 | 长途客运票款智能监测方法 |
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2005
- 2005-12-16 FR FR0512857A patent/FR2895122B1/fr not_active Expired - Fee Related
-
2006
- 2006-12-06 AU AU2006326345A patent/AU2006326345B2/en not_active Ceased
- 2006-12-06 PT PT06829334T patent/PT1960973E/pt unknown
- 2006-12-06 AT AT06829334T patent/ATE528735T1/de not_active IP Right Cessation
- 2006-12-06 CA CA2634228A patent/CA2634228C/fr not_active Expired - Fee Related
- 2006-12-06 EP EP06829334A patent/EP1960973B1/fr not_active Not-in-force
- 2006-12-06 BR BRPI0619993-3A patent/BRPI0619993B1/pt not_active IP Right Cessation
- 2006-12-06 MY MYPI20081929A patent/MY149945A/en unknown
- 2006-12-06 CN CN200680046827XA patent/CN101385050B/zh not_active Expired - Fee Related
- 2006-12-06 US US12/086,526 patent/US7847688B2/en active Active
- 2006-12-06 ES ES06829334T patent/ES2372761T3/es active Active
- 2006-12-06 ZA ZA200805553A patent/ZA200805553B/xx unknown
- 2006-12-06 WO PCT/EP2006/011700 patent/WO2007068385A1/fr active Application Filing
Non-Patent Citations (1)
Title |
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See references of WO2007068385A1 * |
Also Published As
Publication number | Publication date |
---|---|
CA2634228A1 (fr) | 2007-06-21 |
WO2007068385A1 (fr) | 2007-06-21 |
AU2006326345B2 (en) | 2012-03-08 |
PT1960973E (pt) | 2011-12-19 |
BRPI0619993B1 (pt) | 2018-04-24 |
AU2006326345A1 (en) | 2007-06-21 |
BRPI0619993A2 (pt) | 2011-10-25 |
US7847688B2 (en) | 2010-12-07 |
FR2895122B1 (fr) | 2008-02-01 |
MY149945A (en) | 2013-11-15 |
CA2634228C (fr) | 2013-12-03 |
CN101385050A (zh) | 2009-03-11 |
ATE528735T1 (de) | 2011-10-15 |
US20090002144A1 (en) | 2009-01-01 |
FR2895122A1 (fr) | 2007-06-22 |
ZA200805553B (en) | 2009-09-30 |
ES2372761T3 (es) | 2012-01-26 |
EP1960973B1 (fr) | 2011-10-12 |
CN101385050B (zh) | 2012-09-05 |
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