Patents Assigned to Inria Institut National de Recherche
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Patent number: 7881727Abstract: The invention relates to a mobile communicating object (A) belonging to a communications network and comprising processing means (PM). According to the invention, when a communication has been established with another communicating object (S) belonging to the network, the aforementioned processing means generate a repeater (Fi) at each site (Hi) through which they pass. Moreover, when the repeater is generated, the processing means associate a timing counter (CTF) therewith and configure said repeater such that: (i) it can store an identifier that is representative of the location of the next repeater (F(i+1)) or site (H(i+1)) in the chain of repeaters to which it belongs; and (ii) at the end of a selected duration of time, it transmits the location identifier of the next repeater (F(i+1)) or site (S(i+1)) to at least one location server (SL) in the network, so that it stores said identifier together with the primary identifier of the mobile object (A).Type: GrantFiled: July 15, 2004Date of Patent: February 1, 2011Assignees: Inria Institut National de Recherche En Informatique Et En Automatique, Unsa Universite de Nice Sophia AntipolisInventors: Isabelle Attali, Denis Caromel, legal representative, Fabrice Huet
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Patent number: 7881662Abstract: The inventive information distributing system (1), in particular for railway stations or airports, comprises a control unit (5) delivering information items selected according to a first key value to a main distributor (3), a short-range communications relay (7) for establishing connections with mobile terminals (11, 13, 15). Said control unit comprises a relay interface and a control module carrying out a function of general distribution to the distributor, an inventory function for interacting with the terminals by storing state data received therefrom and by setting a second key value according to a state data sub-group and a particular distribution function for transmitting the information items selected according to the second key value to the terminals having the second sub-group state data.Type: GrantFiled: April 13, 2006Date of Patent: February 1, 2011Assignee: Inria Institut National de Recherche En Informatique Et En AutomatiqueInventors: Michel Banatre, Mathieu Becus, Paul Couderc
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Patent number: 7822240Abstract: The invention concerns an image processing device, including an input for receiving a time series of data sets representing comparable volume digital images, each data having a position component and an intensity component, pre-processing means for modifying the data sets so as to obtain images updated in position and intensity, and comparative processing means for examining sets of time series of image elements and to detect therein signs of variations. The processing means include a modeling function for adjusting a parametric model separately on some of the sets of time series of image elements, to obtain pairs of data (image element, time) and a function for statistical analysis of said pairs of data to isolate the pairs of data representing a significant variation.Type: GrantFiled: October 4, 2002Date of Patent: October 26, 2010Assignee: Inria Institut National de Recherche en Informatique et en AutomatiqueInventors: Nicholas Ayache, Grégoire Malandain, David Rey, Jonathan Stoeckel
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Patent number: 7768151Abstract: A device (ES) for distributing power between n cathodes (Ki) of at least one multipolar stimulating electrode (EM) comprises at least one anode (A), wherein n is equal to or greater than two. Said device (ES) comprises a reconfigurable current mirror (MC) which is provided with n outputs (K?i) connectable to said n cathodes (Ki), respectively and supplies to the n (K?i) outputs n complementary fractions of a control current having respective selected values which are substantially constant at the control current amplitude variation in order to carry out a substantially constant spatial location of stimulation.Type: GrantFiled: August 29, 2005Date of Patent: August 3, 2010Assignees: Inria Institut National de Recherche en Informatique et en Automatique, Centre National de la Recherche Scientifique CNRS, Universite de Montpellier IIInventors: David Andreu, Serge Bernard, Yves Bertrand, Guy Catheras, Jérôme Galy, David Guiraud, Jean-Denis Techer
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Publication number: 20080235132Abstract: The invention concerns a transactional device comprising a station (2) capable of performing a transaction, and an equipment (32), for setting up a wireless communication network, with one or more mobile terminals (34), based on a connection protocol, as well as a communication with said station (2). The equipment (32) is configured with a perimeter (36) selected to cover a specific zone, proximate to said station (2), while the connecting protocol is configured to enable initial identity information transmitted by a mobile terminal present in said zone to be exchanged against a unique temporary code, such exchange being followed by launching of a background function enabling part at least of a transaction to be prepared based on said identity information, and so that the station (2) is capable, upon presentation of the unique temporary code, of recovering then completing, if required, and validating the transaction.Type: ApplicationFiled: January 14, 2005Publication date: September 25, 2008Applicant: Inria Institut National De Recherche En Informatique Et En AutomatiqueInventors: Michel Banatre, Paul Couderc, Mathieu Becus
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Publication number: 20080170802Abstract: A device (D) is dedicated to the processing of data constituting initial tensor images, each tensor being a real symmetric and positive definite matrix representing an elementary part of a received tensor image. This device (D) comprises, on the one hand, a first calculating module (MCI) capable of performing a first selected, bijective and defined function of R*+ in R, and being associated with a selected metric definition, this first function allowing a second reciprocal function, and on the other, comprises a first processing module (MT1) provided for: i) constituting a first representation of a received tensor image; ii) calling the first calculating module (MC1) for applying the first function to a selected part of the first representation whereby obtaining a transformed part, and; iii) constituting, from the transformed part, a second representation of the tensor images ready to be processed.Type: ApplicationFiled: April 7, 2006Publication date: July 17, 2008Applicant: INRIA INSTITUT NATIONAL DE RECHERCHE EN IFORMATIONQUE ETInventors: Vincent Arsigny, Xavier Pennec, Pierre Fillard, Nicolas Ayache
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Publication number: 20080096577Abstract: The invention relates to a mobile communicating object (A) belonging to a communications network and comprising processing invention, when a communication has been established with another communicating object (S) belonging to the network, the aforementioned processing means generate a repeater (Fi) at each site (Hi) through which they pass. Moreover, when the repeater is generated, the processing means associate a timing counter (CTF) therewith and configure said repeater such that: (i) it can store an identifier that is representative of the location of the next repeater (F(i+1)) or site (H(i+1)) in the chain of repeaters to which it belongs; and (ii) at the end of a selected duration of time, it transmits the location identifier of the next repeater (F(i+1)) or site (S(i+1)) to at least one location server (SL) in the network, so that it stores said identifier together with the primary identifier of the mobile object (A).Type: ApplicationFiled: July 15, 2004Publication date: April 24, 2008Applicants: INRIA INSTITUT NATIONAL DE RECHERCHE EN INFORMATIQUE ET EN AUTOMATIQUE, UNSA UNIVERSITE DE NICE SOPHIA ANTIPOLISInventors: Isabelle Attali, Denis Caromel, Fabrice Huet
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Patent number: 7363005Abstract: The invention discloses a control scheme for wireless communications networks, including stations communicating with mobiles in downlink mode. The network includes an elementary load calculator designed to compute the load induced by a given mobile on a server station. The elementary load calculator includes: a first function (PA1) designed to compute a first elementary quantity taking into account the attenuation between the mobile and each nearby station (Lv,mu) and the limit on the total power emitted by each nearby station, a second function (PA2) designed to compute a second elementary quantity taking into account the requirements of the mobile vis-a-vis its station (?mu?) and the attenuation between the mobile and its station (Lu,mu), the elementary load calculator being capable of computing the product of the first elementary quantity by the second elementary quantity, which gives an elementary product representing the load induced by the mobile (EDPAPmu).Type: GrantFiled: April 16, 2004Date of Patent: April 22, 2008Assignees: France Telecom, Inria Institut National de Recherche en Informatique Et En AutomatiqueInventors: François Baccelli, Bartlomiej Blaszczyszyn, Mohamed Kadhem Karray
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Patent number: 7356465Abstract: The invention relates to a computer device comprising a memory 108 for storing audio signals 114, in part pre-recorded, each corresponding to a defined source, by means of spatial position data 116, and a processing module 110 for processing these audio signals in real time as a function of the spatial position data. The processing module 110 allows for the instantaneous power level parameters to be calculated on the basis of audio signals 114, the corresponding sources being defined by instantaneous power level parameters. The processing module 110 comprises a selection module 120 for regrouping certain of the audio signals into a variable number of audio signal groups, and the processing module 110 is capable of calculating spatial position data which is representative of a group of audio signals as a function of the spatial position data 116 and instantaneous power level parameters for each corresponding source.Type: GrantFiled: December 31, 2003Date of Patent: April 8, 2008Assignee: Inria Institut National de Recherche en Informatique et en AutomatiqueInventors: Nicolas Tsingos, Emmanuel Gallo, George Drettakis
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Patent number: 7317922Abstract: The invention relates to a device and a procedure for aiding the management of a wireless telephony network consisting of stations. The procedure comprises, for a given mobile pertaining to a station: a—the calculation of a quantity incorporating the attenuation with regard to its station and the attenuation with regard to the neighboring stations (103), b—the product of this quantity times another quantity representing the requirements of the mobile with regard to its station (103), c—the summation of these products for a given set of mobiles pertaining to said station (105), d—the comparison of the sum with a threshold (107).Type: GrantFiled: April 16, 2003Date of Patent: January 8, 2008Assignee: Inria Institut National de Recherche en Informatique et en AutomatiqueInventors: Francois Baccelli, Bartlomiej Blaszczyszyn, Florent Tournois
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Patent number: 7239992Abstract: The invention relates to the simulation of the deformation of materials, notably of soft body tissues. An apparatus comprises a memory (MEM, NT) storing data as to the position of an object, recorded at the vertices of a grid pattern, and data for force to be exerted on the object. A computer (?P, MT) evaluates new positions of the vertices, as a function of a force exerted globally and mechanical parameters of the material. According to the invention, this computer comprises a module for calculating, for each mesh, a deviation between the current length of an edge and its previous length, and the force data at each vertex of the mesh. Another module calculates, for each vertex, new positional data relating to this vertex as a function of the forces exerted thereon and its previous position.Type: GrantFiled: February 4, 2002Date of Patent: July 3, 2007Assignee: INRIA Institut National de Recherche en Informatique et en AutomatiqueInventors: Nicholas Ayache, Herve Delingette, Guillaume Picinbono
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Patent number: 7215265Abstract: The invention concerns a decoder (2) comprising a first input for receiving a coded flow of second binary elements (Yd). It comprises a second input for receiving channel properties (Ic) designed to define probabilities of receiving second binary elements, upon transmitting first binary elements, a first module (12) defining a source model (8) adapted to define the probabilities for x-ray symbols associated with transitions between source states in a source state diagram, a so-called product model (7), adapted to define a correspondence between the x-ary symbols and the first binary elements produced in a product state diagram, a product state being a function of a source state, a processing module (6) adapted to calculate probabilities of decoding x-ary symbols, knowing bits of the coded flow of second binary elements from the channel properties (Ic) of the source model (8) and of the product model (7), and adapted to reconstitute the most probable flow of x-ary symbols from said computed probabilities.Type: GrantFiled: July 16, 2003Date of Patent: May 8, 2007Assignee: INRIA Institut National de Recherche en Informatique et en AutomatiqueInventors: Thomas Guionnet, Christine Guillemot
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Patent number: 7193542Abstract: The invention concerns a digital data compression encoder, characterized in that it comprises: an input for a first data flow (SH), and a second data flow (SL), an encoding module, matching symbols of the first data flow, and code words, wherein, for certain symbols, there exist several words, called redundant, corresponding to the same symbol, and a processing module for encoding the symbols of the first data flow based on the correspondence, by selecting among the redundant words, on the basis of at least part of the second data flow.Type: GrantFiled: July 16, 2003Date of Patent: March 20, 2007Assignee: Inria Institut National de Recherche en Informatique et en AutomatiqueInventors: Hervé Jegou, Christine Guillemot
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Publication number: 20060010237Abstract: The invention concerns a device dedicated to the management of data between at least one user mobile station (MS) equipped with a communication module (1), stationary terminals (3) associated with at least one service, and a plurality of mobile service means (8) equipped with a communication module (9) and adapted to ensure said service.Type: ApplicationFiled: October 10, 2003Publication date: January 12, 2006Applicant: Inria Institut National De Recherche En Informatique Et En AutomatiqueInventors: Michel Banatre, Gilbert Cabillic, Paul Couderc
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Publication number: 20040229630Abstract: Control device for a wireless communications network, comprising a calculator of quantities related to attenuations measured between mobiles and base stations, and/or to the signal to interference and noise ratio threshold, and a decision device with regard to the processing of new candidate mobiles, this device operating conjointly with the calculator according to a predefined mechanism. The said mechanism comprises: a load calculation function for each mobile, and an evaluation of a working condition, representing the feasibility of the servicing of mobiles by a station.Type: ApplicationFiled: April 16, 2004Publication date: November 18, 2004Applicants: FRANCE TELECOM, INRIA INSTITUT NATIONAL DE RECHERCHE EN INFORMATIQUE ET EN AUTOMATIQUEInventors: Francois Baccelli, Bartlomiej Blaszczyszyn, Mohamed Kadhem Karray
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Publication number: 20040224640Abstract: The invention discloses a control scheme for wireless communications networks, including stations communicating with mobiles in downlink mode. The network includes an elementary load calculator designed to compute the load induced by a given mobile on a server station.Type: ApplicationFiled: April 16, 2004Publication date: November 11, 2004Applicants: FRANCE TELECOM, INRIA INSTITUT NATIONAL DE RECHERCHE EN INFORMATIQUE ET EN AUTOMATIQUEInventors: Francois Baccelli, Bartlomiej Blaszczyszyn, Mohamed Kadhem Karray
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Publication number: 20040162082Abstract: The invention relates to a device and a procedure for aiding the management of a wireless telephony network consisting of stations.Type: ApplicationFiled: April 16, 2003Publication date: August 19, 2004Applicant: INRIA INSTITUT NATIONAL DE RECHERCHE EN INFORMATIQUE ET EN AUTOMATIQUEInventors: Francois Bacceli, Bartlomiej Blaszczyszyn, Florent Tournois
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Patent number: 6714901Abstract: An electronic device for processing image data, particularly image data pertaining to medical procedures, includes a user interface with force feedback (4) corresponding to tool reactions, a “collision” module (18) for estimating a point of intersection between a straight line embodying a displacement derived from the action of the tool and a surface mesh of a given object, and an internal forces module (16) which estimates internal forces exerted on nodes of a first part of at least a volume mesh of the object, on the basis of a displacement applied on nodes pertaining to the surface mesh containing a point of intersection, of boundary conditions, and of node tensors and link tensors, from matrices of rigidity, and a reaction module (20) for determining the reaction force of the object corresponding to its deformation estimated on the basis of the internal forces, such that the force generated by the user interface (4) is balanced by reaction force.Type: GrantFiled: July 16, 1999Date of Patent: March 30, 2004Assignee: Inria Institut National de Recherche en Informatique et en AutomatiqueInventors: Stéphace Cotin, Hervé Delingette, Nicholas Ayache
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Patent number: 6697379Abstract: A system for transmitting messages comprises stations (S) having an operating system (4), a “network” stage (3) for processing and generating messages in a first format, a communication card (1) for exchanging messages in a second format with a network, a “driver” stage (2) for putting the messages received from the card (1) or the network stage (3) in the first format or second format and transmitting them to the network stage (3) or to said card (1). The stations further comprise a management stage (5) coupled to the operating system (4) and adapted to intercept messages in the first format which are to be exchanged by the network stage and the driver stage so as to analyse the information which they contain and decide to continue their transmission, subject to any required processing, and/or adapted to generate messages in the second format, intended for the stations of the network, when a chosen condition is met.Type: GrantFiled: May 17, 1999Date of Patent: February 24, 2004Assignee: Inria Institut National de Recherche en Informatique et en AutomatiqueInventors: Philippe Jacquet, Paul Muhlethaler
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Patent number: 6590891Abstract: Connected relay stations of a network each include a network number, a clock (4) defining a local reference time, a module (3) for transmitting/receiving messages on a frequency varying according to a selected time-division scheme defined relative to the local reference time, and a control module (5) for the messages. The control module of a synchronising relay station (SH) forms synchronisation messages including its network number, a common frequency, its time-division evolution scheme and a common reference time, for the transmission thereof.Type: GrantFiled: May 10, 1999Date of Patent: July 8, 2003Assignee: Inria Institut National de Recherche en Informatique et en AutomatiqueInventors: Philippe Jacquet, Paul Muhlethaler