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公开(公告)号：US20230079355A1
公开(公告)日：2023-03-16
申请号：US17987280
申请日：2022-11-15
Applicant: STMicroelectronics SA , STMicroelectronics, Inc. , STMicroelectronics (Research & Development) Limited
Inventor： Darin K. Winterton , Donald Baxter , Andrew Hodgson , Gordon Lunn , Olivier Pothier , Kalyan-Kumar Vadlamudi-Reddy
IPC: H04N5/232
Abstract: A method includes dividing a field of view into a plurality of zones and sampling the field of view to generate a photon count for each zone of the plurality of zones, identifying a focal sector of the field of view and analyzing each zone to select a final focal object from a first prospective focal object and a second prospective focal object.
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公开(公告)号：US20220005214A1
公开(公告)日：2022-01-06
申请号：US17478643
申请日：2021-09-17
Applicant: STMicroelectronics SA
Inventor： Manu Alibay , Olivier Pothier , Victor Macela , Alain Bellon , Arnaud Bourge
IPC: G06T7/521 , G01S17/08 , G06T7/55 , G06T7/593 , H04N13/271 , H04N13/254 , H04N13/207
Abstract: The method of determination of a depth map of a scene comprises generation of a distance map of the scene obtained by time of flight measurements, acquisition of two images of the scene from two different viewpoints, and stereoscopic processing of the two images taking into account the distance map. The generation of the distance map includes generation of distance histograms acquisition zone by acquisition zone of the scene, and the stereoscopic processing includes, for each region of the depth map corresponding to an acquisition zone, elementary processing taking into account the corresponding histogram.
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公开(公告)号：US10379619B2
公开(公告)日：2019-08-13
申请号：US14553216
申请日：2014-11-25
Applicant: STMicroelectronics SA , STMicroelectronics (Grenoble 2) SAS
Inventor： Marc Drader , Jérémie Teyssier , Olivier Pothier
Abstract: A method for controlling an apparatus, includes steps of: determining distance measurements of an object in a first direction, using distance sensors defining between them a second direction different from the first direction, assessing a first inclination of the object in relation to a second direction based on the distance measurements, and determining a first command of the apparatus according to the inclination assessment.
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公开(公告)号：US11528407B2
公开(公告)日：2022-12-13
申请号：US17122667
申请日：2020-12-15
Applicant: STMicroelectronics, Inc. , STMicroelectronics SA , STMicroelectronics (Research & Development) Limited
Inventor： Darin K. Winterton , Donald Baxter , Andrew Hodgson , Gordon Lunn , Olivier Pothier , Kalyan-Kumar Vadlamudi-Reddy
IPC: H04N5/232
Abstract: A method includes dividing a field of view into a plurality of zones and sampling the field of view to generate a photon count for each zone of the plurality of zones, identifying a focal sector of the field of view and analyzing each zone to select a final focal object from a first prospective focal object and a second prospective focal object.
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公开(公告)号：US20220196834A1
公开(公告)日：2022-06-23
申请号：US17554825
申请日：2021-12-17
Applicant: STMicroelectronics SA , STMicroelectronics (Research & Development) Limited , STMicroelectronics, Inc.
Inventor： Olivier Pothier , Philippe Legeard , Donald Baxter , Edward Hawkins
IPC: G01S17/08
Abstract: A method can be used to detect the presence an object within a field of view of a time-of-flight sensor. A histogram generated by the time-of-flight sensor is obtained. The histogram includes a number of bins associating a number of detected photons to a given acquisition time. A portion of the bins of the histogram is transformed into points in a transformed domain that features a first area containing only points associated to bins representative of the presence of the object and a second area having only points associated to bins not representative of the presence of the object. The bins of the histogram representative of the presence of the object are identified from the points located in the first area.
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Patent Agency Ranking
公开(公告)号：US10429940B2
公开(公告)日：2019-10-01
申请号：US15856603
申请日：2017-12-28
Applicant: STMicroelectronics SA
Inventor： Olivier Pothier
Abstract: An electronic device includes at least one laser source configured to direct laser radiation toward a user's hand. Laser detectors are configured to receive reflected laser radiation from the user's hand. A controller is coupled to the at least one laser source and laser detectors and configured to determine a set of distance values to the user's hand for each respective laser detector and based upon a time-of-flight of the laser radiation. The controller also determines a hand gesture from among a plurality of possible hand gestures based upon the sets of distance values using Bayesian probabilities.
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公开(公告)号：US09886095B2
公开(公告)日：2018-02-06
申请号：US14863493
申请日：2015-09-24
Applicant: STMICROELECTRONICS SA
Inventor： Olivier Pothier
CPC classification number: G06F3/017 , G01S17/58 , G06F3/0325
Abstract: An electronic device includes at least one laser source configured to direct laser radiation toward a user's hand. Laser detectors are configured to receive reflected laser radiation from the user's hand. A controller is coupled to the at least one laser source and laser detectors and configured to determine a set of distance values to the user's hand for each respective laser detector and based upon a time-of-flight of the laser radiation. The controller also determines a hand gesture from among a plurality of possible hand gestures based upon the sets of distance values using Bayesian probabilities.
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公开(公告)号：US10796191B2
公开(公告)日：2020-10-06
申请号：US16142544
申请日：2018-09-26
Inventor： Francois De Salivet de Fouchecour , Stuart McLeod , Donald Baxter , Olivier Pothier , Thierry Lebihen
Abstract: An example device has optical emitters for emitting incident radiation within a field of view and optical detectors for receiving reflected radiation. Based on the incident radiation and the reflected radiation, a histogram indicative of a number of photon events that are detected by the optical detectors over time bins is generated. The time bins is indicative of time differences between emission of the incident radiation and reception of the reflected radiation. The device further includes; a processor programmed to iteratively process the histogram by executing an expectation-maximization algorithm to detect a presence of objects located in the field of view of the device.
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公开(公告)号：US20190331798A1
公开(公告)日：2019-10-31
申请号：US16374541
申请日：2019-04-03
Applicant: STMicroelectronics SA , STMicroelectronics (Grenoble 2) SAS
Inventor： Giovanni Scozzola , Olivier Pothier
Abstract: A method includes emitting, by a single sensor of a device, a signal into a region; receiving, by the single sensor, a reflected signal; and detecting motion in a detection cone comprising a central axis based on the reflected signal, wherein detecting motion comprises detecting a first type of motion from a first position to a second position, and detecting a second type of motion from the second position to the first position.
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公开(公告)号：US10445892B2
公开(公告)日：2019-10-15
申请号：US15692794
申请日：2017-08-31
Applicant: STMicroelectronics SA
Inventor： Manu Alibay , Olivier Pothier , Victor Macela , Alain Bellon , Arnaud Bourge
Abstract: The method of determination of a depth map of a scene comprises generation of a distance map of the scene obtained by time of flight measurements, acquisition of two images of the scene from two different viewpoints, and stereoscopic processing of the two images taking into account the distance map. The generation of the distance map includes generation of distance histograms acquisition zone by acquisition zone of the scene, and the stereoscopic processing includes, for each region of the depth map corresponding to an acquisition zone, elementary processing taking into account the corresponding histogram.
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