公开(公告)号：US20180144545A1

公开(公告)日：2018-05-24

申请号：US15571597

申请日：2016-05-02

Applicant: INSTITUT MINES TELECOM

Inventor： Helene LEGRAND ,  Tamy BOUBEKEUR

IPC: G06T17/20 ,  G06T17/00

CPC classification number: G06T17/205 ,  G06T17/005

Abstract: The present invention relates to a method of simplifying a geometry model, the method comprises: determination (607) of an integral error rating QiS defined as being a function of a sum of the error measures associated with the points of the plurality having a lower associated Morton code than the Morton code associated with the current point; determination (614) if a given set of points of the plurality can be simplified by a new point, the points of the given set all being the points of the plurality having a Morton code associated with one and the same prefix of given length, as a function at least of a difference between: —the integral error measure QlasS determined for the point of the given set having the largest Morton code (las); and—the integral error measure Qini-1S determined for the point of the plurality having an immediately lower Morton code (ini−1) than the smallest Morton code out of the Morton codes associated with the points of the set.

公开(公告)号：US20180098242A1

公开(公告)日：2018-04-05

申请号：US15548747

申请日：2015-04-24

Applicant: EXPWAY ,  INSTITUT MINES-TELECOM

Inventor： Cédric THIENOT ,  Jean LE FEUVRE

IPC: H04W28/04 ,  H04L1/00 ,  H04L29/06 ,  H04W28/06

CPC classification number: H04W28/04 ,  H04L1/0083 ,  H04L65/4076 ,  H04L65/604 ,  H04L65/607 ,  H04L65/608 ,  H04L65/80 ,  H04W28/065

Abstract: A method of retrieving a file, the method including: receiving a portion of a content transmitted in accordance with a multicast protocol via a file delivery service, wherein the content includes data fragments forming a file; receiving a file delivery table (FDT) from the file delivery service; reading in the file delivery table location attributes indicating locations of the data fragments in the file; and determining from the location attributes locations of non-corrupted data fragments in the content portion.

公开(公告)号：US20180051212A1

公开(公告)日：2018-02-22

申请号：US15555732

申请日：2016-02-26

Applicant: INSTITUT MINES TELECOM ,  EYES TRIPLE SHUT

Inventor： Jean-Louis De Bougrenet De La Tocnaye ,  Laurent Dupont ,  Kedar Sathaye ,  SumanKalyan Manna

IPC: C09K19/58 ,  C09K19/60 ,  G02F1/137 ,  G02F1/1347

CPC classification number: C09K19/586 ,  C09K19/60 ,  G02F1/13471 ,  G02F1/13725 ,  G02F1/13737

Abstract: A material is proposed for making an electro-optical shutter device. The material includes a host nematic liquid crystal, at least one guest chiral dopant and one guest black dichroic dye. The birefringence (Δn) of the host nematic liquid crystal is greater than 0.20. The concentration of the at least one chiral dopant is adjusted so that the material has a pitch in the range of 500 nm to 800 nm. The concentration of the guest black dichroic dye ranges from 2% to 4% by weight of the material. The dichroic ratio of the guest black dichroic dye is greater than or equal to 8.

公开(公告)号：US20170256959A1

公开(公告)日：2017-09-07

申请号：US15314713

申请日：2015-06-02

Applicant: Institut MINES TELECOM

Inventor： Fadi Abi Abdallah ,  Maurice Gagnaire

IPC: H02J7/00 ,  G01R19/25 ,  G01R19/00

CPC classification number: H02J7/007 ,  G01R19/0084 ,  G01R19/2513 ,  H02J7/0027 ,  H02J2003/007 ,  H02J2007/0096 ,  Y02E40/76 ,  Y02E60/76 ,  Y02T10/7055 ,  Y04S10/545 ,  Y04S40/22

Abstract: A method for determining voltages and/or power available in an electrical recharging network that includes at least one voltage generator and at least one recharging terminal i corresponding, at a first instant t1, to a predetermined reference impedance zii. At an instant t2, the method implements at least one iteration of the following acts: estimating a changing of the reference impedance zii into a modified impedance z′ii; updating a voltage of the recharging terminal i by determining a modified inverted loop impedance matrix Zloop_M−1 as a function of a reference inverted loop impedance matrix Zloop_R−1 and of a difference between the modified impedance z′ii and the reference impedance zii, delivering a voltage U′i; and verifying/updating a value of power available at the recharging terminal i as a function of a voltage U′i, a maximum power of the generator and/or a threshold voltage delivering, an available power Pdisp_i.

公开(公告)号：US20170221111A1

公开(公告)日：2017-08-03

申请号：US15419631

申请日：2017-01-30

Applicant: INSTITUT MINES-TELECOM

Inventor： Mostafa SALEHI ,  Saeedreza SHEHNEPOOR ,  Reza FARAHBAKHSH ,  Noel CRESPI

IPC: G06Q30/02 ,  G06Q30/00

CPC classification number: G06Q30/0282 ,  G06Q10/10 ,  G06Q30/0185

Abstract: A method for detecting if an online review written by a user on a website of a telecommunications network is a spam, using at least one previously-labeled review, a review dataset comprising at least one review to be analyzed, and a spam feature list listing different features of spam reviews, method wherein: a) a weight is computed for each spam feature of the spam feature list, corresponding to the importance of the spam feature in the detection of spam reviews, and based at least on the features of said at least one previously-labeled review, and b) a probability of being a spam for a review under analysis in the review dataset is computed by using at least the weights of the spam features computed at step a) and a comparison between the features of said review under analysis and the ones of at least one review previously-labeled as spam.

公开(公告)号：US20160359378A1

公开(公告)日：2016-12-08

申请号：US15119043

申请日：2015-02-12

Applicant: INSTITUT MINES TELECOM

Inventor： Veronique Kuhn ,  Fabrice Seguin ,  Cyril Lahuec ,  Christian Person

IPC: H02J50/27 ,  G01D11/00 ,  H02M7/10

CPC classification number: H02J50/27 ,  G01D11/00 ,  H02J7/025 ,  H02J17/00 ,  H02M1/126 ,  H02M7/10

Abstract: A device for converting radio-frequency energy into DC current, receiving at least one radio-frequency signal at input and generating at output a DC current capable of powering at least one load. The device has at least two conversion stages, each including: a radio-frequency filtering module, connected to a first input node of the conversion stage, configured to filter the radio-frequency signal; a voltage shift module, connected between a second input node of the conversion stage, the radio-frequency filtering module and an intermediate node of the conversion stage, configured to shift a voltage present at the first input node to the intermediate node; a voltage rectifier module, connected between the intermediate note, the second input node and an output node of the conversion stage, configured to rectify the voltage of the intermediate node and deliver a rectified voltage on the output node.

Abstract translation: 一种用于将射频能量转换为直流电流的装置，在输入端接收至少一个射频信号并在输出端产生能够为至少一个负载供电的直流电流。 该装置具有至少两个转换级，每个转换级包括：连接到转换级的第一输入节点的射频滤波模块，用于对射频信号进行滤波; 连接在所述转换级的第二输入节点，所述射频滤波模块和所述转换级的中间节点之间的电压移位模块，被配置为将存在于所述第一输入节点处的电压移位到所述中间节点; 连接在所述中间音符，所述第二输入节点和所述转换级的输出节点之间的电压整流器模块，被配置为对所述中间节点的电压进行整流并在所述输出节点上传送整流电压。

公开(公告)号：US20160156095A1

公开(公告)日：2016-06-02

申请号：US14905605

申请日：2014-07-15

Applicant: INSTITUT MINES TELECOM / TELECOM BRETAGNE

Inventor： Jean-Philippe Coupez

IPC: H01Q1/38 ,  H01Q1/52 ,  H01Q21/29 ,  H01Q1/36 ,  H01Q1/50

Abstract: The invention relates to an antennal structure adapted to be disposed on an earth plane comprising: a three-dimensional support substrate made of a dielectric material which is partially hollowed out and comprising a peripheral wall which extends between a proximal end and a distal end, said support substrate defining an internal volume; a first conducting pattern inscribed on the peripheral wall of the support substrate, the first conducting pattern comprising a lower end adapted to be connected to an earth plane and an upper end; a second conducting pattern contained in the volume of the substrate, the second pattern being connected electrically to the upper end of the first pattern.

Abstract translation: 本发明涉及一种适于设置在接地平面上的触角结构，包括：由电介质材料制成的三维支撑基板，该电介质材料部分中空，并包括在近端和远端之间延伸的周壁， 支撑衬底限定内部容积; 第一导电图案，其内嵌在支撑基板的周壁上，第一导电图案包括适于连接到接地平面的下端和上端; 第二导电图案包含在基板的体积中，第二图案电连接到第一图案的上端。

公开(公告)号：US12290325B2

公开(公告)日：2025-05-06

申请号：US18557555

申请日：2022-04-14

Applicant: INSTITUT NATIONAL DE LA SANTE ET DE LA RECHERCHE MEDICALE ,  UNIVERSITE BREST BRETAGNE OCCIDENTALE ,  CENTRE HOSPITALIER ET UNIVERSITAIRE DE BREST ,  INSTITUT MINES TELECOM

Inventor： Guillaume Dardenne ,  Salaheddine Sta ,  Eric Stindel ,  Thomas Gicquel

IPC: A61B34/20 ,  A61B34/10 ,  A61B90/00 ,  G06T7/00

Abstract: Computer device (33) for determining an appropriate positioning of an instrumentation on a target bone area (200) according to a relative positioning (42) of said instrumentation to said target bone area defined by a surgical planning (32), said device comprising—an interface for receiving from a 3D camera (31) a depth map (41) of a captured scene (310) comprising at least said target bone area; —computing means for determining a position element of said target bone area from said depth map; determining a second positioned shape (442) of said target bone area according to said relative positioning (42), and determining data (43) representative of said appropriate positioning on the base of said second positioned shape (442) and said position element; —a human-machine interface for providing said data.

公开(公告)号：US12155424B2

公开(公告)日：2024-11-26

申请号：US18274233

申请日：2022-02-03

Applicant: INSTITUT MINES TELECOM

Inventor： Ghaya Rekaya Ben-Othman ,  Chao Zhang ,  Aymen Askri

IPC: H04B7/024 ,  H04B7/0456

Abstract: A communication system having to an open radio access network architecture, the communication system includes a number (K) of user equipments configured to exchange messages through the communication system, the communication system comprising one or more radio unit and a distributed unit, each radio unit being connected to the distributed unit through a fronthaul link having a given capacity. The communication system comprises a coordination system being configured to coordinate the exchanges between the radio units of the system and the distributed unit, in response to a signal received by the radio units from a user equipment. The coordination system is configured to send a signalling message to each radio unit comprising data stream selection information, each radio unit comprising: a transformation unit configured to apply a transformation operation to the signal vector received by the radio unit, which provides a transformed vector, the transformation operation being defined to reduce the dimension of the received signal vector; a data stream selection unit configured to select a number of data streams corresponding to components of the transformed vector using the data stream selection information comprised in the signalling message, a quantizer configured to apply a quantization operation to the selected data streams, which provides quantized vectors, the radio unit being configured to send the quantized vectors to the distributed unit. The sum of the numbers of data streams selected at the radio units, over all the radio units of the communication system, is higher or equal to the product of the number of user equipments (K) and the number of antennas of a user equipment.

公开(公告)号：US20240030969A1

公开(公告)日：2024-01-25

申请号：US18026561

申请日：2021-09-24

Applicant: INSTITUT MINES TELECOM

Inventor： Ghaya REKAYA ,  Aymen ASKRI

IPC: H04B7/0456 ,  H04B7/0452

CPC classification number: H04B7/0456 ,  H04B7/0452

Abstract: A precoder for precoding a vector of information symbols to be sent to a plurality of users, the precoder includes a user ordering and grouping unit configured to group the plurality of users depending on one or more quality of service indicators and on modulation and coding parameters associated with the plurality of users, the user ordering and grouping unit being configured to divide a predefined upper triangular precoding matrix into a plurality of sub-matrices and to divide the vector of information symbols into a plurality of sub-vectors, each sub-vector comprising information symbols to be sent to a group of users, the sub-vectors being arranged according to an arbitrary order of the one or more quality of service indicators; a precoding unit configured to determine a perturbation vector according to the minimization of a transmit power metric, the perturbation vector comprising a plurality of perturbation sub-vectors, each perturbation sub-vector corresponding to a sub-vector of information symbols, the precoding unit being configured to determine an estimate of each perturbation sub-vector by applying a recursive search algorithm.