Patents by Inventor Gérard Berginc
Gérard Berginc has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Publication number: 20230222820Abstract: A method for an object of interest in a degraded 2D digital image of the object is provided.Type: ApplicationFiled: October 8, 2020Publication date: July 13, 2023Inventors: Ion BERECHET, Gérard BERGINC, Stefan BERECHET
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Publication number: 20220358714Abstract: Method and system for automatically detecting, locating and identifying objects in a 3D volume the method includes the following steps: from a 3D volume in voxels of the complex scene, obtaining k 2D cross sections in the 3D volume; for each input 2D cross section thus obtained, automatically detecting, locating and identifying objects of interest using a specialized artificial intelligence method designed to deliver, at output: a label corresponding to each object identified in the current input cross section (k); a 2D bounding box bounding each object thus labelled; a 2D icon defined by the 2D bounding box thus extracted; for each output 2D cross section, semantically segmenting each 2D icon defined by a 2D bounding box, and concatenating the results of all of the output 2D cross sections in 3D in order to generate the consolidated labels of the objects of interest, to generate 3D bounding boxes and to generate 3D icons segmented in this way.Type: ApplicationFiled: July 7, 2020Publication date: November 10, 2022Inventors: Stefan BERECHET, Ion BERECHET, Gérard BERGINC
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Publication number: 20220180620Abstract: The system for identifying objects from images includes a module for aggregating and pooling images, the module receiving as input first, second and third pluralities of images labeled respectively by an expert in the field, through machine learning and through deep machine learning, and delivering as output a plurality of pooled labeled adjustment images having the best accuracy; and a module for aggregating and pooling invariants receiving as input the first, second and third pluralities of invariants labeled respectively by the expert in the field, through machine learning and through deep machine learning, and delivering as output a plurality of pooled labeled adjustment invariants having the best accuracy.Type: ApplicationFiled: March 16, 2020Publication date: June 9, 2022Inventors: Stefan BERECHET, Ion BERECHET, Gérard BERGINC
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Publication number: 20220071553Abstract: A method for characterizing cutaneous pigmentary disorders in an individual which includes: for each pigmentary disorder: on a date tkm acquiring 2D images of a pigmentary disorder from a plurality of angles and reconstructing at least one 3D image; storing the images in a first folder; on the basis of the images, calculating parameters of the pigmentary disorder, and storing in a second folder; evaluating the parameters and storing in a third folder; iterating at least one of the four preceding steps on multiple dates, and for each iteration: comparing the data for at least one period and identifying the changes; storing in a fourth folder per period; for each fourth folder, grouping the folders together in a fifth folder defining a snapshot of the pigmentary disorder; aggregating the fifth folders in a sixth folder defining a dynamic profile of the pigmentary disorder; iterating the preceding steps to obtain a sixth folder for each additional pigmentary disorder; and generating, for the individual, a knowleType: ApplicationFiled: December 13, 2019Publication date: March 10, 2022Inventors: Ion BERECHET, Gérard BERGINC, Stefan BERECHET
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Publication number: 20220015639Abstract: An imaging system for a cutaneous pigment disorder which includes a device for acquiring 2D images of the pigment disorder, comprising: a light source comprising at least one emitter and receivers, a unit for processing the 2D images acquired, means for displaying the images processed. The invention further comprises: means for positioning the receivers at at least two viewing angles, which positioning means are distributed along a spherical cap, a structure for protecting the acquisition device and an operator, comprising a receiver-positioning opening, the protection structure being intended to be positioned on the skin. The processing unit comprises a 3D reconstruction module with a reflective Radon transform in order to obtain a 3D image which is reconstructed from the 2D images processed and the display means further comprise means for displaying the reconstructed 3D image.Type: ApplicationFiled: November 6, 2019Publication date: January 20, 2022Inventors: Ion BERECHET, Gérard BERGINC, Stefan BERECHET
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Patent number: 10339698Abstract: A method for discriminating and identifying, by 3D imaging, an object in a complex scene comprises the following steps: generating a sequence of 2D MIP images of the object, from a 3D voxel volume of the complex scene, this volume visualized by an operator by using an iterative process of MIP type from a projection plane and an intensity threshold determined by the operator on each iteration, automatically extracting, from the sequence of images, coordinates of a reduced volume corresponding to the sequence of images, choosing one of the intensity thresholds used during the iterations, automatically extracting, from the 3D volume of the complex scene, from the coordinates and chosen intensity threshold, a reduced 3D volume containing the object, automatically generating, from the reduced volume, by intensity threshold optimization, an optimized intensity threshold and an optimized voxel volume, a color being associated with each intensity, identifying the object by visualization.Type: GrantFiled: December 17, 2015Date of Patent: July 2, 2019Assignees: THALES, UNIVERSITE DE LORRAINE, SISPIAInventors: Stefan Berechet, Ion Berechet, Jean-Baptiste Bellet, Gérard Berginc
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Publication number: 20170345204Abstract: A method for discriminating and identifying, by 3D imaging, an object in a complex scene comprises the following steps: generating a sequence of 2D MIP images of the object, from a 3D voxel volume of the complex scene, this volume visualized by an operator by using an iterative process of MIP type from a projection plane and an intensity threshold determined by the operator on each iteration, automatically extracting, from the sequence of images, coordinates of a reduced volume corresponding to the sequence of images, choosing one of the intensity thresholds used during the iterations, automatically extracting, from the 3D volume of the complex scene, from the coordinates and chosen intensity threshold, a reduced 3D volume containing the object, automatically generating, from the reduced volume, by intensity threshold optimization, an optimized intensity threshold and an optimized voxel volume, a color being associated with each intensity, identifying the object by visualization.Type: ApplicationFiled: December 17, 2015Publication date: November 30, 2017Inventors: Stefan BERECHET, Ion BERECHET, Jean-Baptiste BELLET, Gérard BERGINC
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Patent number: 9135747Abstract: A method for 3D reconstruction of an object based on back-scattered and sensed signals, including: generating, from the sensed signals, 3D points to which their back-scattering intensity is respectively assigned, which form a set A of reconstructed data, starting from A, extracting a set B of data, whose points are located within a volume containing the object, as a function of volume characteristics F2, starting from B, extracting a set C of data characterizing the external surface of the object, the surface having regions with missing parts, depending on an extraction criterion, based on C, filling in the regions with missing parts by generation of a three-dimensional surface so as to obtain a set D of completed data of the object, without having to use an external database, and identifying the object based on D.Type: GrantFiled: September 5, 2012Date of Patent: September 15, 2015Assignees: THALES, SISPIAInventors: Ion Berechet, Gérard Berginc, Stefan Berechet
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Patent number: 9012788Abstract: An optronic porthole comprises a substrate with two faces. It comprises on one of the faces of the substrate or on both faces, a stack of several hetero-structures, each hetero-structure being composed of at least two semi-conducting layers SC1, SC2, the layer SC1 being doped, the layer SC2 itself comprising a two-dimensional electron gas layer formed at the interface with the layer SC1. It furthermore comprises an electrode in contact with all the electron gas layers, a bi-periodic metallic grid buried in the stack, in contact with the electrode. The substrate and the layers are transparent in the 0.4 ?m-5 ?m band.Type: GrantFiled: November 15, 2011Date of Patent: April 21, 2015Assignee: ThalesInventors: Romain Czarny, Jean-Luc Reverchon, Michel Pate, Brigitte Loiseaux, Gérard Berginc
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Patent number: 8836762Abstract: The invention relates to an optronic system for identifying an object including a photosensitive sensor, communication means and a computerized processing means making it possible to reconstruct the object in three dimensions on the basis of the images captured by the sensor and to identify the object on the basis of the reconstruction. The photosensitive sensor is able to record images of the object representing the intensity levels of an electromagnetic radiation reflected by the surface of the object captured from several observation angles around the object and the communication means are able to transmit the said images to the computerized processing means to reconstruct the object in three dimensions by means of a tomography function configured to process the images of the object representing the intensity levels of an electromagnetic radiation reflected by the surface of the object.Type: GrantFiled: November 23, 2010Date of Patent: September 16, 2014Assignee: ThalesInventors: Gérard Berginc, Michel Jouffroy
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Publication number: 20140146511Abstract: An optronic porthole comprises a substrate with two faces. It comprises on one of the faces of the substrate or on both faces, a stack of several hetero-structures, each hetero-structure being composed of at least two semi-conducting layers SC1, SC2, the layer SC1 being doped, the layer SC2 itself comprising a two-dimensional electron gas layer formed at the interface with the layer SC1. It furthermore comprises an electrode in contact with all the electron gas layers, a bi-periodic metallic grid buried in the stack, in contact with the electrode. The substrate and the layers are transparent in the 0.4 ?m-5 ?m band.Type: ApplicationFiled: November 15, 2011Publication date: May 29, 2014Applicant: THALESInventors: Romain Czarny, Jean-Luc Reverchon, Michel Pate, Brigitte Loiseaux, Gérard Berginc
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Patent number: 8655017Abstract: Techniques for identifying images of a scene including illuminating the scene with a beam of 3 or more wavelengths, polarized according to a determined direction; simultaneously acquiring for each wavelength an image X//(?i) polarized according to said direction and an image X?(?i) polarized according to a direction perpendicular to said direction, X?(?i) being spatially distinct from X//(?i); calculating for each wavelength an intensity image which is a linear combination of X//(?i) and X?(?i), providing an intensity spectrum for each pixel; calculating for each wavelength a polarization contrast image on the basis of an intensity ratio calculated as a function of X//(?i) and of X?(?i), providing a polarization contrast spectrum for each pixel; and calculating a spectro-polarimetric contrast image of the scene, each pixel of this spectro-polarimetric contrast image calculated based on the intensity spectrum and the contrast spectrum of the pixel considered.Type: GrantFiled: May 3, 2010Date of Patent: February 18, 2014Assignees: Thales, Institut D'OptiqueInventors: Mehdi Alouini, Arnaud Beniere, Daniel Dolfi, Gérard Berginc, François Goudail
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Publication number: 20130100131Abstract: A method for 3D reconstruction of an object based on back-scattered and sensed signals, including: generating, from the sensed signals, 3D points to which their back-scattering intensity is respectively assigned, which form a set A of reconstructed data, starting from A, extracting a set B of data, whose points are located within a volume containing the object, as a function of volume characteristics F2, starting from B, extracting a set C of data characterizing the external surface of the object, the surface having regions with missing parts, depending on an extraction criterion, based on C, filling in the regions with missing parts by generation of a three-dimensional surface so as to obtain a set D of completed data of the object, without having to use an external database, and identifying the object based on D.Type: ApplicationFiled: September 5, 2012Publication date: April 25, 2013Applicants: SISPIA, THALESInventors: Ion BERECHET, Gerard BERGINC, Stefan BERECHET
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Patent number: 8345960Abstract: A method for synthetic reconstruction of objects includes: extracting criteria from a knowledge base; extracting, from sensed signals filtered by the criteria, weak signals; extracting, from the weak signals, weak signals of interest; removing noise from and amplifying the weak signals of interest and obtaining useful weak signals; identifying useful direct information, from useful weak signals filtered by the criteria and supplying optimum criteria; reconstructing, using the useful direct information, information of interest; reconstructing, using the information of interest, useful information and supplying optimum criteria; reconstructing, based on the useful information, three-dimensional information, supplying a recognition state file and supplying the optimum criteria; and updating the criteria with the optimum criteria.Type: GrantFiled: March 24, 2009Date of Patent: January 1, 2013Assignees: Thales, SISPIAInventors: Gérard Berginc, Ion Berechet, Stefan Berechet
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Patent number: 8228584Abstract: The invention relates to a passive optical limiter having a nonlinear material capable of switching in a predetermined optical band from a transparent state to an opaque state as a function of the power of an incident laser beam. The nonlinear material is an organic dye which comprises molecules derived from 4,4-difluoro-4-bora-3a,4a-diaza-s-indacene into which a nitrogen atom is inserted at the meso position, referred to as aza-bodipy molecules, and which have conjugated ? chains functionalized so as to exhibit absorption for two photons around an incident beam wavelength lying between 1.45 ?m and 1.6 ?m.Type: GrantFiled: February 17, 2010Date of Patent: July 24, 2012Assignee: Ecole Normale Superieure de LyonInventors: Gerard Berginc, Patrick Feneyrou, Pierre-Antoine Bouit, Olivier Maury, Marie-Chantal Andraud
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Publication number: 20120183175Abstract: Techniques for identifying images of a scene including illuminating the scene with a beam of 3 or more wavelengths, polarized according to a determined direction; simultaneously acquiring for each wavelength an image X//(?i) polarized according to said direction and an image X?(?i) polarized according to a direction perpendicular to said direction, X?(?i) being spatially distinct from X//(?i); calculating for each wavelength an intensity image which is a linear combination of X//(?i) and X?(?i), providing an intensity spectrum for each pixel; calculating for each wavelength a polarization contrast image on the basis of an intensity ratio calculated as a function of X//(?i) and of X?(?i), providing a polarization contrast spectrum for each pixel; and calculating a spectro-polarimetric contrast image of the scene, each pixel of this spectro-polarimetric contrast image calculated based on the intensity spectrum and the contrast spectrum of the pixel considered.Type: ApplicationFiled: May 3, 2010Publication date: July 19, 2012Applicants: INSTITUT D'OPTIQUE, THALESInventors: Mehdi Alouini, Arnaud Beniere, Daniel Dolfi, Gérard Berginc, François Goudail
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Publication number: 20110254924Abstract: The invention relates to an optronic system for identifying an object including a photosensitive sensor, communication means and a computerized processing means making it possible to reconstruct the object in three dimensions on the basis of the images captured by the sensor and to identify the object on the basis of the reconstruction. The photosensitive sensor is able to record images of the object representing the intensity levels of an electromagnetic radiation reflected by the surface of the object captured from several observation angles around the object and the communication means are able to transmit the said images to the computerized processing means to reconstruct the object in three dimensions by means of a tomography function configured to process the images of the object representing the intensity levels of an electromagnetic radiation reflected by the surface of the object.Type: ApplicationFiled: November 23, 2010Publication date: October 20, 2011Applicant: THALESInventors: Gérard Berginc, Michel Jouffroy
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Publication number: 20110019906Abstract: A method for synthetic reconstruction of objects includes: extracting criteria from a knowledge base; extracting, from sensed signals filtered by the criteria, weak signals; extracting, from the weak signals, weak signals of interest; removing noise from and amplifying the weak signals of interest and obtaining useful weak signals; identifying useful direct information, from useful weak signals filtered by the criteria and supplying optimum criteria; reconstructing, using the useful direct information, information of interest; reconstructing, using the information of interest, useful information and supplying optimum criteria; reconstructing, based on the useful information, three-dimensional information, supplying a recognition state file and supplying the optimum criteria; and updating the criteria with the optimum criteria.Type: ApplicationFiled: March 24, 2009Publication date: January 27, 2011Applicants: THALES, SISPIAInventors: Gerard Berginc, Ion Berechet, Stefan Berechet
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Publication number: 20100213356Abstract: The invention relates to a passive optical limiter having a nonlinear material capable of switching in a predetermined optical band from a transparent state to an opaque state as a function of the power of an incident laser beam. The nonlinear material is an organic dye which comprises molecules derived from 4,4-difluoro-4-bora-3a,4a-diaza-s-indacene into which a nitrogen atom is inserted at the meso position, referred to as aza-bodipy molecules, and which have conjugated ? chains functionalized so as to exhibit absorption for two photons around an incident beam wavelength lying between 1.45 ?m and 1.6 ?m.Type: ApplicationFiled: February 17, 2010Publication date: August 26, 2010Applicants: THALES, CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE, ECOLE NORMALE SUPERIEURE DE LYONInventors: Gerard Berginc, Patrick Feneyrou, Pierre-Antoine Bouit, Olivier Maury, Marie-Chantal Andraud
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Patent number: 6531699Abstract: An uncooled thermal matrix detector having a given spectral sensitivity range and being formed from pixels which are thermally insulated from each other, each pixel including an absorbing element which is thermosensitive in the spectral sensitivity range. The thermal matrix detector also includes on its face, turned toward the incident radiation to be detected, of each thermosensitive absorbing element, a biperiodic grating of elementary blocks limiting the viewing angle of the detector, the pitch of the grating being less than the mean wavelength of the spectral sensitivity range. The thermal matrix detector can be applied to so-called BLIP uncooled thermal detectors.Type: GrantFiled: February 5, 2001Date of Patent: March 11, 2003Assignee: Thomson-CSFInventors: François Micheron, Marie-Benoîte E. Jolliot, Gérard Berginc