Abstract: The invention relates to a method for imaging a body part of a user according to a predetermined positioning instruction, comprising the following steps: a first step of acquiring a first image, a step of characterizing, in said first image, a first position of the body part, a step of determining a second position of the body part, a processing step in which doctored video feedback of the body part is displayed to the user so as to generate a self-correction by the user of the positioning of said body part according to the predetermined positioning instruction, a second step of acquiring a second image, during the processing step.

Abstract: A method of authenticating a user on client equipment, the user equipped with a personal terminal, the method wherein it comprises implementing by data processing means in said client equipment the following steps: (a) When said user's personal terminal is in proximity to said client equipment, receiving from the terminal and temporarily storing on data storage means in the client equipment: —a reference biometric data item of the user; and—at least one alphanumeric user authentication data item; stored on the data storage means in the terminal; (b) Identifying said user via biometric recognition from a candidate biometric data item of the user and the reference biometric data item(s) stored on the data storage means in the client equipment; (c) Using at least one alphanumeric authentication data item of the identified user stored on the data storage means in the client equipment, for authentication of said user.

Abstract: A contactless biometric sensor, including an upper face above which, in use, a human body part which has dermatoglyphs is positioned, a lighting source configured to light the human body part through the upper face and an imager configured to acquire an image of the human body part through the upper face. The upper face of the sensor is provided with a mask having spatially variable light transmissivity.

Abstract: A method for processing biometric data, comprising: functionally encrypting a test biometric datum, which is a vector comprising n test components representative of a biometric trait of a candidate individual, and at least one other non-zero test component representative of a first masking element, obtaining a score representing a distance, between the test biometric datum and a reference biometric datum, in a form masked by a primary mask, by functionally decrypting the encrypted test biometric datum, using a functional decryption key for a 1st-degree or 2nd-degree polynomial function parameterized with said reference biometric datum, the reference biometric datum being another vector comprising n reference components representative of a biometric trait of a reference individual and at least one other non-zero reference component representative of a second masking element.

Abstract: A computer-implemented method that includes providing, by a first computing device, a request for identifying data, wherein the first computing device is accessible by a first user. The method may further include receiving, by a second computing device, the request provided by the first computing device, wherein the second computing device is accessible by a second user. Additionally, the method may include, transmitting, by the second user, identifying data to a location accessible by the first computing device, wherein the identifying data is transmitted to the location based on an address provided by the first user. The method may yet further include accessing, by the first user, the identifying data transmitted by the second user; and validating, by the first user, the identifying data provided by the second user in response to accessing the identifying data.

Abstract: A method for securing an access to a location using a gate system including an entrance door and an exit door that opens onto the location, comprising: obtaining a number of persons who will form a group to pass through the gate system together, opening the entrance door, counting the number of persons present between the entrance door and the exit door using an overhead sensor, verifying, using biometric data, that all the persons present between the entrance door and the exit door are authorized, and triggering opening the exit door if the counted number of persons and the obtained number of persons are equal and if all the persons present in the gate system are authorized.

Abstract: The invention relates to a method for enrolling data in order to verify the authenticity of a security datum, the method comprising implementing by data processing means of a server the steps of: obtaining a reference security datum, generating a first encoded datum by applying to the reference security datum an obfuscated fuzzy Hamming distance encoding procedure, determining from the reference security datum, a plurality of derived data of the reference security datum, generating a first random datum, and determining a second encoded datum such that a variable point comparison predicate parameterized by the second encoded datum and the first random datum is true when said variable point has as coordinates said derived data, storing on a data storage means of the server at least said first and second encoded data. The invention also relates to a verification method and a server for this purpose.

Abstract: A locking assembly configured to lock a vehicle control radar with respect to a support, including a first plate which is configured to be fixedly mounted on one of the support and the vehicle control radar and which has a first face; a second plate configured to be fixedly mounted on the other one of the vehicle control radar and the support, the second plate including a second face configured to be placed facing the first face of the first plate; an end stop configured to prevent the first plate from moving in translation with respect to the second plate in a first direction along a locking direction; and a lock which is separate from the end stop and which is movable in translation along the locking direction, the lock being configured to prevent the first plate from moving in translation with respect to the second plate in a second direction which is opposite to the first direction.

Abstract: A method comprising: generating a classification map comprising, for each block forming part of a plurality of blocks of a test image and for each class of a plurality of classes of distances in pixels, a score indicative of a probability of existence in the test image of a segment passing through the block and the length of which in pixels constitutes an inter-ridge distance of a fingerprint included in the class, generating a distance map comprising, for each block of the plurality of blocks, a local inter-ridge distance in pixels estimated for the block, and estimating an average inter-ridge distance in pixels of the test fingerprint on the basis of the inter-ridge distance map, the estimation comprising selecting, from the inter-ridge distance map, local inter-ridge distances of interest according to a criterion of proximity to the class of interest, and computing an average of the local inter-ridge distances of interest.

Abstract: A method for processing a test image showing a test fingerprint, the method including the following computer-implemented steps: estimating a first test inter-ridge distance relating to the test fingerprint, the first test inter-ridge distance being a distance in pixels; obtaining a reference inter-ridge distance relating to a reference fingerprint shown in a reference image, the reference inter-ridge distance being a distance in pixels; resizing the test image into a resized test image such that the first test inter-ridge distance in pixels corresponds to the reference inter-ridge distance in pixels; and commanding a comparison between the resized test image and the reference image, so as to verify whether the test fingerprint and the reference fingerprint match.

Abstract: Method for securing a means of access to a target area by people, comprising, for a person: in a first area located upstream of the target area, tracking the person when they are moving in the first area in the direction of the target area, by way of a camera observing at least a portion of the first area, obtaining biometric information in relation to the person being tracked in order to check whether this person corresponds to a pre-registered person, determining a security indicator indicating a level of difficulty in obtaining biometric information for the person being tracked and checking whether a security condition is satisfied based on the indicator, generating a warning signal.

Abstract: The present invention relates to a method for processing a plurality of candidate annotations of a given instance of an image, each candidate annotation being defined as a closed shape matching the instance, characterized in that the method comprises performing, by a processing unit (21) of a server (2), steps of: (a) segregating said candidate annotations into a set of separate groups of at least overlapping candidate annotations; (b) selecting a subset of said groups as a function of the number of candidate annotations in each group; (c) building a final annotation of the given instance of said image as a combination of regions of the candidate annotations of said selected groups where at least a second predetermined number of the candidate annotations of said selected groups overlap.

Abstract: An acquiring system including an image-acquiring device, sensitive to visible and infrared wavelengths, including a sensor; an objective configured to focus light input into the acquiring device onto the sensor, a dual-band bandpass filter being placed in front of the sensor; a processing module configured to separate, once output by the sensor, the infrared image (IIR) and the visible image (Ivis) and to define at least one signal to be servo-controlled and an associated infrared-signal control setpoint depending on which at least one artificial light source is driven; the at least one artificial light source illuminating the scene including an artificial infrared light source.

Abstract: An optical capturing device includes a holder; a first optical sensor possessing a first field angle centered on a first optical axis; a second optical sensor possessing a second field angle centered on a second optical axis; and a third optical sensor possessing a third field angle centered on a third optical axis. A traffic enforcement device can include such an optical capturing device.

Abstract: An image-acquiring system, including a holder and a subsystem mounted on the holder, the subsystem including an image-acquiring device configured to acquire at least one image along an axis of sight, a reflective element arranged transversely to the axis of sight and configured to reflect the at least one image onto the image-acquiring device, the reflective element being mounted so as to be rotatable, about a first axis of rotation, with respect to the image-acquiring device, the first axis of rotation being orthogonal to the axis of sight of the image-acquiring device and wherein the subsystem is mounted to be rotatable with respect to the holder about a second axis of rotation, the second axis of rotation being parallel to the axis of sight of the image-acquiring device.

Abstract: An electronic support having a body which includes at least one first flap and one second flap, the first flap and the second flap each comprising a top face and a bottom face, the top face of the first flap and the top face of the second flap being configured to each support an image acquisition unit sensor, the electronic support further having at least one hinge, the at least one hinge being configured to link the first flap and the second flap to one another, the top face of the first flap being inclined by an angle “a” with respect to the top face of the second flap, the angle “a” being greater than 180°.

Abstract: A device that includes an image-acquiring system, a synchronous data-processing system that receives setpoints including at least one image-acquisition setpoint, and that determines, depending on at least one of the setpoints, adjustment data of the acquiring system, said synchronous system comprising a synchronous time-stamping means that time stamps, on acquisition, one of the adjustment data of the acquiring system, a means for associating one of the time-stamped adjustment data of the image-acquiring system with said image acquired at the moment of acquisition of the image by adding metadata to said image, an asynchronous system for processing said image with associated metadata, which generates and sends to the synchronous system the setpoints, the image-acquisition setpoint being determined based on an acquired image with associated metadata.

Abstract: A method for executing a transaction for a processor associated with a persistent memory and with a cache memory, the cache memory comprising cache lines associated with respective states, including: if a cache line is associated with a state allowing data to be copied directly: copying data to the cache line; associating the line with a state representative of an allocation to transaction data; otherwise: flushing lines associated with a state representative of an allocation to external data and associating them with a state indicating that content of the lines has not been modified; copying data to the flushed lines; associating these lines with a state representative of an allocation to transaction data.

Abstract: A method for comparing a first and a second databases to determine whether an individual is represented by both an element of the first database and an element of the second database, wherein said elements are biometric data, including the implementation of the steps applying a classification model for each element of each database so as to construct a set of first and second bins of the respective first and second databases, each bin bringing together similar elements, each first bin being associated with a second bin; comparing the elements from the first database for at least one pair of an associated first bin and second bin belonging to said first bin with the elements from the second database belonging to said second bin, at least one of the first and the second databases then being encrypted homomorphically.

Abstract: The invention relates to a process for monitoring vehicles on a road by a system comprising at least one radar sensor and a second sensor different from the radar sensor, wherein the second remote sensor is a time-of-flight optical sensor or optical image sensor, the process comprising a temporal readjustment and a spatial matching in order to obtain a set of measurement points each assigned to first characteristics derived from the radar data and second characteristics derived from the optical data, the determination of the radar vehicle trackings and of the optical vehicle trackings, a comparison of similarity between the radar vehicle trackings and the optical vehicle trackings, the elimination of the radar vehicle trackings for which no optical vehicle tracking is similar, the process comprising monitoring a parameter derived from first characteristics of a retained radar vehicle tracking.