公开(公告)号：US12045671B2

公开(公告)日：2024-07-23

申请号：US17289270

申请日：2019-10-22

Applicant: COMMISSARIAT A L'ENERGIE ATOMIQUE ET AUX ENERGIES ALTERNATIVES ,  INSTITUT MINES-TELECOM

Inventor： Farouk Hebbache ,  Mathieu Jan ,  Florian Brandner ,  Laurent Pautet

IPC: G06F9/52 ,  G06F9/50

CPC classification number: G06F9/526 ,  G06F9/5005

Abstract: The invention relates to a method implemented by computer for arbitration between computer programs seeking to access a shared resource concurrently and each transmitting an access request. The method performs time-division multiple access according to which the time is divided into time slots, each of which is allocated to a critical program for access to the shared resource, each time slot comprising a plurality of time units. The method exploits a processing slack associated with each critical program in order to delay a processing deadline for an access request transmitted by the critical program. The method comprises, for each unit time, a step of selecting a waiting access request and a step of determining authorization for immediate processing of the selected access request. This determining operation comprises, for a unit time which does not correspond to the beginning of a time slot, when the critical program to which the next time slot is allocated has not issued the selected request, authorization for the immediate processing of the selected request if the processing slack of the critical program to which the next time slot is allocated is greater than a threshold.

公开(公告)号：US11964407B2

公开(公告)日：2024-04-23

申请号：US17917138

申请日：2021-04-08

Applicant: UNIVERSITE DE LORRAINE ,  INSTITUT MINES TELECOM ,  UNIVERSITE LIBANAISE

Inventor： Nicolas Brosse ,  Romain Kapel ,  Rodolphe Sonnier ,  Roland El Hage ,  César Segovia ,  Karina Antoun ,  Maria Moussa

IPC: B27K3/02 ,  B27K3/34 ,  B27K3/36 ,  B27K3/38 ,  B27K3/50

CPC classification number: B27K3/0207 ,  B27K3/346 ,  B27K3/36 ,  B27K3/38 ,  B27K3/50

Abstract: A flame retardant treatment of a lignocellulosic material, which includes: optionally steam exploding the lignocellulosic material, impregnating the optionally steam-exploded lignocellulosic material, in or with an aqueous solution, from 0.5% to 10% of phytic acid and from 1% to 30% of urea, based on the total weight of the aqueous solution, optionally drying of the impregnated lignocellulosic material, until the impregnated lignocellulosic material has a moisture content from 5% to 20% by weight, cooking the impregnated and optionally dried lignocellulosic material, the resulting flame-retarded lignocellulosic material including a phosphorous content originating from the phytic acid from 0.1% to 10% by weight. Also, the resulting flame-retarded lignocellulosic material and the use thereof for manufacturing flame-retarded composite materials based on plant fibres, woven or nonwoven flame-retarded flexible materials based on plant fibres, and particularly textiles, flame-retarded materials based on wood fibres and/or on wood particles, and particularly flame-retarded wood panels.

公开(公告)号：US20240051233A1

公开(公告)日：2024-02-15

申请号：US18264816

申请日：2022-02-09

Applicant: UNIVERSITE CLAUDE BERNARD LYON 1 ,  CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE ,  ECOLE NORMALE SUPERIEURE DE LYON ,  INSTITUT MINES TELECOM

Inventor： Patrice Baldeck ,  Azeddine Tellal ,  Kevin Heggarty

IPC: B29C64/393 ,  B33Y10/00 ,  B29C64/129 ,  B33Y50/02 ,  B29C64/264

CPC classification number: B29C64/393 ,  B33Y10/00 ,  B29C64/129 ,  B33Y50/02 ,  B29C64/264

Abstract: A method—for printing a 3D object, defined by a 3D image having multiple illuminated points, in a photoreactive composition volume—includes extracting from the image a mosaic sequence. Each mosaic includes multiple solid areas, each including illuminated point(s). The mosaic sequence is projected in an axial direction, inside the volume, to form—from each projected mosaic—multiple light areas, each corresponding to a solid area of the projected mosaic. In the solid area of a mosaic, a number of illuminated points and the distribution of the illuminated points are adjusted so, when projecting the mosaic is into the volume, the light area corresponding to the solid area causes a photoreaction in an associated composition block with a desired axial resolution. In the same mosaic, the solid areas are distributed such that, when projecting the mosaic into the volume, the composition does not react between the light areas associated with the multiple solid areas.

公开(公告)号：US11588616B2

公开(公告)日：2023-02-21

申请号：US16089304

申请日：2017-03-28

Applicant: INSTITUT MINES-TELECOM

Inventor： Olivier Rioul ,  Sylvain Guilley

IPC: H04L9/00 ,  H04L9/06

Abstract: A secret key estimation device is provided for determining an estimate of at least one secret key used during a number of executions of a cryptographic function used by at least one cryptographic algorithm. The number of executions of the cryptographic function is at least equal to two. The secret key estimation device comprises an analysis unit for determining a plurality of sets of leakage traces from a side-channel information acquired during the number of executions of the cryptographic function. Each set of leakage traces corresponds to an execution of the cryptographic function and comprising at least one leakage trace. The secret key estimation device further comprises a processing unit configured to determine a statistical distribution of the acquired plurality of sets of leakage traces. The statistical distribution is dependent on a leakage function, the leakage function being represented in a basis of functions by a set of real values. The secret key estimation device is configured to determine the secret key from the statistical distribution of the plurality of sets of leakage traces using an estimation algorithm according to the maximization of a performance metric.

公开(公告)号：US20230047115A1

公开(公告)日：2023-02-16

申请号：US17783971

申请日：2020-12-10

Applicant: SAFRAN DATA SYSTEMS ,  INSTITUT MINES-TELECOM

Inventor： Marco CAGNAZZO ,  Attilio FIANDROTTI ,  Christophe RUELLAN

IPC: G06T9/00 ,  G06T3/40 ,  G06T5/00

Abstract: Method for compressing a sequence of images comprising a first image and a second image, the method comprising the steps of: generating a first descriptor comprising parameters for displaying a computer-generated graphical element in the first image, the graphical element being of non-photographic origin, and the display parameters not comprising pixel values; processing the second image so as to determine an event which gave rise to a potential variation in the parameters for displaying the graphical element between the first image and the second image; generating a second descriptor comprising an event code indicating the determined event.

公开(公告)号：US20220222954A1

公开(公告)日：2022-07-14

申请号：US17440958

申请日：2020-03-10

Applicant: INSTITUT MINES TELECOM

Inventor： Nesma HOUMANI ,  Sonia GARCIA-SALICETTI

IPC: G06V30/32 ,  G06V30/244 ,  G06V10/82 ,  G06V10/84

Abstract: A method for identifying or for verifying the identity of a user, using a plurality, of previously acquired reference signature vectors, a handwritten signature of the user and at least one additional item of handwritten information linked to the user that arc affixed beforehand to an in particular mobile digital sensor, in which method: a) said handwritten signature of the user and said at least one additional item of information are fused in order to generate at least one test signature vector, b) said at least one test signature vector is compared with a plurality of said reference signature vectors, and c) a likelihood score is generated on the basis at least of this comparison in order to identify or to verify the identity of the user.

公开(公告)号：US20220191584A1

公开(公告)日：2022-06-16

申请号：US17440686

申请日：2020-03-17

Applicant: ATEME ,  INSTITUT MINES TELECOM

Inventor： Eric TOULLEC ,  Lucas GREGORY ,  Jean LE FEUVRE

IPC: H04N21/43 ,  H04N21/2343 ,  H04N21/44 ,  H04N21/845

Abstract: Disclosed is a method for managing multimedia content, involving: obtaining a first set of content description metadata describing a first multimedia content broadcast in dynamic mode; and upon reading, in the first set of metadata, data redirecting to a section of a second set of content description metadata, reading, in the section of the second set of metadata, data relating to a time synchronization for accessing a second multimedia content broadcast in dynamic mode.

公开(公告)号：US20220165025A1

公开(公告)日：2022-05-26

申请号：US16953829

申请日：2020-11-20

Applicant: Adobe Inc. ,  Institut Mines Telecom

Inventor： Thibaud Lambert ,  Tamy Boubekeur ,  Anthony Salvi

IPC: G06T17/20 ,  G06T15/04

Abstract: The disclosure describes one or more embodiments of systems, methods, and non-transitory computer-readable media that modify vertex positions of a 3D-object mesh to align the vertices with discontinuities indicated by a sharpness map for a displacement map. For example, the disclosed systems access a sharpness map that encodes discontinuities of a displacement map to preserve sharp features. During sharp tessellation, for a given vertex of the 3D-object mesh, the disclosed systems iterate over neighboring vertices to search for a nearest intersection between one of the incident edges of the vertex and neighboring vertices and a discontinuity line from the sharpness map. Then, the vertex is moved within a threshold distance of the nearest discontinuity line intersection along the incident edge. The disclosed systems similarly reposition other vertices of the 3D-object mesh to generate a modified 3D-object mesh that includes vertices that align with discontinuities present in a displacement map.

公开(公告)号：US11329380B2

公开(公告)日：2022-05-10

申请号：US16768491

申请日：2018-12-17

Applicant: INSTITUT MINES TELECOM—IMT ATLANTIQUE—BRETAGNE—PAYS DE LA LOIRE

Inventor： Jean-Philippe Coupez

IPC: H01Q5/35 ,  H01Q5/321 ,  H01Q5/357 ,  H01Q1/14 ,  H01Q1/36 ,  H01Q9/42

Abstract: An antenna arrangement includes a conductive element configured to resonate at and above a chosen electromagnetic radiation frequency corresponding to a fundamental resonant mode. The conductive element is folded to make coupling areas intended to shift one or more of the resonant frequencies of the higher resonant modes. Each coupling area is defined related to the set of resonant frequencies according to which the antenna is supposed to work, and is formed by positioning parts of the conductive element facing each other. The location, along the conductive element, of the parts of that conductive element intended to form a given coupling area as well as the length of these parts and as the width of the gap between them when the coupling area is formed, are determined so as to provide a given increase or decrease of the resonant frequency of a given resonant mode of the conductive element.

公开(公告)号：US11270507B1

公开(公告)日：2022-03-08

申请号：US16953805

申请日：2020-11-20

Applicant: Adobe Inc. ,  Institut Mines Telecom

Inventor： Thibaud Lambert ,  Tamy Boubekeur ,  Anthony Salvi

IPC: G06T17/20 ,  G06T3/40 ,  G06T5/00 ,  G06T11/00

Abstract: The disclosure describes one or more embodiments of systems, methods, and non-transitory computer-readable media that utilize a sharpness map that includes information on how to filter a displacement map on a per-texel basis to preserve sharp features while sampling a displacement map. For instance, the disclosed systems utilize a sharpness map that encodes combinable patterns to represent discontinuities of features within a displacement map. In some embodiments, the disclosed systems generate a sharpness map having texels encoded with discontinuity configurations that are referenced to control filtering (e.g., via interpolation) of a displacement map such that sharp features within the displacement map are not lost (due to smoothing during interpolation). For example, the disclosed systems filter feature values of a displacement map using discontinuities identified within a sharpness map to interpolate when the feature value(s) and a sampling point are identified as being on the same side of a discontinuity.