NEC Corporation patent applications on February 29th, 2024
Patent Applications by NEC Corporation on February 29th, 2024
NEC Corporation: 48 patent applications
NEC Corporation has applied for patents in the areas of G06N5/04 (6), G06V40/16 (5), G06Q10/06 (4), G06T7/70 (4), A61B5/00 (4)
With keywords such as: unit, information, image, communication, signal, device, processing, target, apparatus, and configured in patent application abstracts.
See the following report for NEC Corporation patent applications published on February 29th, 2024:
NEC Corporation patent applications on February 29th, 2024
Patent Applications by NEC Corporation
Inventor(s): Chenhui HUANG of Tokyo (JP) for nec corporation, Kenichiro FUKUSHI of Tokyo (JP) for nec corporation, Zhenwei WANG of Tokyo (JP) for nec corporation
IPC Code(s): A61B5/11, A61B5/00, G16H50/20
Abstract: in order to provide a gait measurement system by which gait symmetry in day-to-day life can easily be measured, the present invention offers a gait measurement system comprising a data acquisition device that measures physical quantities associated with the respective movement of the left and right feet, and a calculation device that uses the physical quantities associated with the respective movement of the left and right feet to calculate gait symmetry.
Inventor(s): Teruyuki HIGUCHI of Tokyo (JP) for nec corporation, Yoshinori Koda of Tokyo (JP) for nec corporation
IPC Code(s): A61B5/1172, A61B5/00, G06T1/00, G06T7/00, G06V40/13, H04N23/53
Abstract: a fingerprint capture system, a fingerprint capture device, an image processing apparatus, a fingerprint capture method, and a storage medium that can acquire a high quality fingerprint image are provided. a disclosed example includes: a capture unit that captures a fingerprint; an image processing unit that processes a transferred fingerprint image captured by the capture unit; a display unit on which the fingerprint image transferred to the image processing unit is displayed; a recording unit where the fingerprint image transferred to the image processing unit is recorded by the image processing unit; and an instruction unit that inputs, in the image processing unit, a record instruction that instructs the image processing unit to record the fingerprint image in the recording unit. the image processing unit records, in the recording unit, the fingerprint image displayed on the display unit at the time the record instruction is input by the instruction unit.
Inventor(s): Terumi UMEMATSU of Tokyo (JP) for nec corporation, Masanori TSUJIKAWA of Tokyo (JP) for nec corporation
IPC Code(s): A61B5/16, A61B5/00, A61B5/11, G16H50/30
Abstract: a cognitive function estimation device x mainly includes a first state information acquisition means x, a second state information acquisition means x, and a cognitive function estimation means x. the first state information acquisition means x is configured to acquire first state information representing a first state of a subject regarding a cognitive function of the subject. the second state information acquisition means x is configured to acquire second state information representing a second state of the subject whose interval of state change is longer than the first state. the cognitive function estimation means x is configured to estimate the cognitive function of the subject based on the first state information and the second state information.
Inventor(s): Takuma Kogo of Tokyo (JP) for nec corporation
IPC Code(s): A61B5/18, A61M21/00
Abstract: an arousal level control apparatus calculates a setting value of a control device under a constraint condition using an arousal level optimization model so that a value of an objective function is maximized. the control device affects a physical quantity of a surrounding environment that affects arousal level of a subject. the arousal level optimization model includes the constraint condition and the objective function. the constraint condition includes a physical quantity prediction model, an arousal level prediction model, and a setting value range condition that the setting value is within a predetermined range. the physical quantity prediction model is an explicit function that includes the physical quantity and the setting value as explanatory variables and has a predicted value of the physical quantity as an explained variable.
Inventor(s): Kazuya Kawakami of Tokyo (JP) for nec corporation
IPC Code(s): A61B5/00, A61B5/0205, A61B5/16
Abstract: an information processing apparatus includes a biometric information processing unit that determines timing at which the biometric information satisfies a criterion by processing biometric information of a subject, an acquisition unit that acquires information indicating an environment of the subject at a date and time determined by using the timing, and an output unit that performs an output including the environment information.
Inventor(s): Hideyuki ISHIUJI of Tokyo (JP) for nec corporation, Hiromi SUZUKI of Tokyo (JP) for nec corporation, Yutaka OKANO of Tokyo (JP) for nec corporation, Sayaka ISHIMOTO of Tokyo (JP) for nec corporation, Shoko YOKOTE of Tokyo (JP) for nec corporation, Satoshi TANAKA of Tokyo (JP) for nec corporation, Koji KITAHARA of Tokyo (JP) for nec corporation, Megumi YAMAMOTO of Tokyo (JP) for nec corporation, Chieko KURIBAYASHI of Tokyo (JP) for nec corporation, Tomohide TOYODA of Tokyo (JP) for nec corporation
IPC Code(s): B60L53/66, B60L53/63
Abstract: in order to achieve a charging service using an outlet of 100 v or 200v, the present invention provides a management server including an acquisition unit that acquires, from a user terminal, apparatus specifying information specifying a control apparatus that controls power supply to an outlet, and a control execution unit that executes processing of controlling the control apparatus specified by the apparatus specifying information.
20240068960.MEASUREMENT SYSTEM AND FLOAT_simplified_abstract_(nec corporation)
Inventor(s): Taichi Tanaka of Tokyo (JP) for nec corporation
IPC Code(s): G01N22/00, G01F23/64, G01F23/76, G01N33/18
Abstract: a measurement apparatus of the present disclosure includes a measuring unit configured to acquire the reflected wave of a radio wave applied to a float and measure the state of a liquid based on the intensity of the acquired reflected wave. then, the float is configured to float in a liquid in a manner such that a floating height relative to the liquid changes in accordance with the state of the liquid, and is further configured in a manner such that the intensity of the reflected wave of an applied radio wave changes in accordance with a change in the floating height relative to the liquid.
Inventor(s): Hidemi Noguchi of Tokyo (JP) for nec corporation, Junichi Abe of Tokyo (JP) for nec corporation
IPC Code(s): G01S17/89, G06T7/33, G06T19/20
Abstract: a foreign body detection system includes a first point cloud acquisition unit and a second point cloud acquisition unit as a point cloud acquisition means, an alignment unit, and a foreign body detection unit. the point cloud acquisition means acquires a point cloud by controlling a first fixed-point three-dimensional lidar scanner in such a way that the first fixed-point three-dimensional lidar scanner performs scanning in a scanning range including a monitoring target in a scanning range and generates a point cloud. the alignment unit aligns the point cloud and known three-dimensional shape data about the monitoring target with each other. the foreign body detection unit detects a foreign body in contact with the monitoring target, based on the point cloud and the aligned three-dimensional shape data.
Inventor(s): Hidemi Noguchi of Tokyo (JP) for nec corporation, Junichi Abe of Tokyo (JP) for nec corporation
IPC Code(s): G01S17/89, G01S7/48, G01S17/933
Abstract: a first point cloud acquisition unit controls a first fixed-point three-dimensional lidar scanner in such a way that the first fixed-point three-dimensional lidar scanner performs scanning in a low-density scanning range including a monitoring target in a scanning range and generates a low-density point cloud. an alignment unit aligns the low-density point cloud and known three-dimensional shape data about the monitoring target with each other. a scanning range determination unit determines a high-density scanning range including the monitoring target in a scanning range and also being narrower than the low-density scanning range, based on a result of the alignment by the alignment unit. a second point cloud acquisition unit controls the first fixed-point three-dimensional lidar scanner in such a way that the first fixed-point three-dimensional lidar scanner performs scanning in the high-density scanning range and generates a high-density point cloud.
Inventor(s): Taichi Kumagai of Tokyo (JP) for nec corporation
IPC Code(s): G05D1/02
Abstract: a mobile body control system (a) according to the present disclosure includes a mobile body (), and a control unit () configured to control the mobile body (), a receiving unit () configured to receive control information from the control unit (), and a path specifying unit () configured to specify a path of the mobile body () based on the control information. the path specifying unit () corrects, according to a distance between the mobile body () and an obstacle, the path of the mobile body () to such a path that the mobile body () evades a hazardous area including an area around the obstacle.
20240070160.DATA PROCESSING METHOD AND ELECTRONIC DEVICE_simplified_abstract_(nec corporation)
Inventor(s): Erli WANG of Beijing (CN) for nec corporation, Lu Feng of Beijing (CN) for nec corporation
IPC Code(s): G06F16/2457, G06F16/2458
Abstract: embodiments of the present disclosure provide a data processing method and an electronic device, which relate to the computer field. the method includes: acquiring a time-series dataset, the time-series dataset comprising multiple time-series data items each comprising a time and multiple attribute parameters corresponding thereto; acquiring a target attribute parameter being at least one of the multiple attribute parameters; determining, based on a time-series model, at least one influence factor of the target attribute parameter, the at least one influence factor indicating at least one attribute parameter influencing the target attribute parameter and at least one time corresponding to the at least one attribute parameter; and outputting the at least one influence factor. as such, according to the embodiments of the present disclosure, for a target attribute parameter, at least one influence factor can be determined based on a time-series dataset and a time-series model. therefore, an accurate reference can be provided for a decision on the target attribute parameter, and the decision made in this way is more accurate.
Inventor(s): Yusuke SAKEMI of Tokyo (JP) for nec corporation
IPC Code(s): G06N3/049, G06N3/063
Abstract: a neural network device includes: a time-scheme spiking neuron model that outputs a signal when an internal state quantity that evolves over time in accordance with a signal input clock time, becomes a threshold value or more; and a delay unit that outputs a signal obtained by changing, by a set time, a spike clock time that is represented by the output signal of the time-scheme spiking neuron model as a relative clock time with respect to a reference clock time.
Inventor(s): Hikaru Tsuchida of Tokyo (JP) for nec corporation
IPC Code(s): G06N3/098
Abstract: a federated learning apparatus in a federated learning system includes: a model storage part that replicates and stores a shared model as a local model; a local training part that trains the local model by using data held by the federated learning apparatus; a secret sharing part that decomposes a local update parameter indicating a training result of the local model into shares based on an additive secret sharing scheme and distributes the shares to other federated learning apparatuses; an aggregation and secure computation part that performs a secure computation for shares of a global update parameter by performing addition of the shares of the local update parameters and multiplication of the shares by cleartext constants; and a global training part that reconstructs the shares of the global update parameter and updates the shared model by the global update parameter.
20240070477.SERVER DEVICE_simplified_abstract_(nec corporation)
Inventor(s): Junki Mori of Tokyo (JP) for nec corporation, Isamu Teranishi of Tokyo (JP) for nec corporation, Batnyam Enkhtaivan of Tokyo (JP) for nec corporation
IPC Code(s): G06N5/01
Abstract: a server device includes an acquisition unit that acquires, from each of a plurality of client devices, information representing a value of a node constituting a decision tree, the information being determined based on the learning data held by the own device of each client device, and a determination unit that determines the value of the node constituting the decision tree by integrating the acquired results. the decision tree is learned by determination of the value of each node constituting the decision tree by the determination unit.
Inventor(s): Toru Aoyagi of Tokyo (JP) for nec corporation
IPC Code(s): G06N5/04
Abstract: an information processing apparatus includes: a storage unit configured to store a question associated with a consumption behavior of a user; and at least one processor. the at least one processor presents a question associated with a consumption behavior of a user being stored in the storage unit, acquires an answer to the presented question, estimates a psychological attribute of the user based on the answer, requests the user to make a choice as to whether to permit the use of personal information, along with presenting a result of the estimation, presents choices as to whether to permit the use of personal information, along with presenting the result of the estimation, and accepts a result of the choice.
20240070539.LEARNING DEVICE_simplified_abstract_(nec corporation)
Inventor(s): Junki Mori of Tokyo (JP) for nec corporation, Isamu Teranishi of Tokyo (JP) for nec corporation, Ryo Furukawa of Tokyo (JP) for nec corporation
IPC Code(s): G06N20/00
Abstract: a learning device includes an acquisition unit that acquires a local model corresponding to a feature value held by the own device, a residual calculation unit that calculates a difference between an output of a vertical federated learning model having been learned previously and an output of the local model acquired by the acquisition unit, and an additional tree learning unit that learns an additional tree to be added to the local model acquired by the acquisition unit, on the basis of the result of calculation by the residual calculation unit and the feature value held by the own device.
Inventor(s): Yuuka WATANABE of Tokyo (JP) for nec corporation, Takeshi SASAMOTO of Tokyo (JP) for nec corporation
IPC Code(s): G06Q10/02, G06F21/32
Abstract: provided is a management server that excludes a user who is not qualified to use a boarding system utilizing biometric authentication. the management server includes a receiving unit and a generation unit. the receiving unit receives, from a terminal, a token issuance request including at least boarding pass information written on a boarding pass, and passport information written on a passport. the generation unit makes a first determination about consistency between the boarding pass information and the passport information, and generates, on the basis of the result of the first determination, a token for a user to use a boarding process utilizing biometric information.
Inventor(s): Tatsuki AKUTSU of Tokyo (JP) for nec corporation, Miki OTANI of Tokyo (JP) for nec corporation
IPC Code(s): G06Q10/06, G06Q10/10, G06V40/16
Abstract: a visit assistance device, a visit assistance system, a visit assistance method, and a program are provided that can assist realization of a comfortable visit. a visit assistance device () includes a registration unit () configured to register a status in a seated condition of a user who is seated in a predetermined space for each user and a display control unit () configured to cause a display device installed in an entrance of the space to display the registered status of the user together with information identifying the user.
Inventor(s): Tatsuki AKUTSU of Tokyo (JP) for nec corporation, Miki OTANI of Tokyo (JP) for nec corporation
IPC Code(s): G06Q10/06, G06Q10/10, G06V40/16
Abstract: a visit assistance device, a visit assistance system, a visit assistance method, and a program are provided that can assist realization of a comfortable visit. a visit assistance device () includes a registration unit () configured to register a status in a seated condition of a user who is seated in a predetermined space for each user and a display control unit () configured to cause a display device installed in an entrance of the space to display the registered status of the user together with information identifying the user.
Inventor(s): Ryutaro SEO of Tokyo (JP) for nec corporation, Kazuto OHISHI of Tokyo (JP) for nec corporation, Yuki KOMIYAMA of Tokyo (JP) for nec corporation
IPC Code(s): G06Q10/0639, G06Q10/067
Abstract: an analyzing apparatus () acquires a target data set () and division number information (). the target data set () is a set of target data () each indicating a pair of factor data () and result data (). the division number information () indicates a division number being a number for dividing a numerical range of the factor data (). the analyzing apparatus () computes a plurality of boundary values for dividing the numerical range of the factor data () into a range of the division number. further, the analyzing apparatus () computes, for each boundary value, a test statistical quantity representing a difference relating to the result data () for two samples to be acquired by dividing the target data set () into two parts at the boundary value. then, the analyzing apparatus () generates test statistical quantity information () indicating a plurality of test statistical quantities computed for the each boundary value.
Inventor(s): Hideo Urai of Tokyo (JP) for nec corporation, Tasuku Yoshihiro of Tokyo (JP) for nec corporation, Sakie Morita of Tokyo (JP) for nec corporation, Yuto Nakaya of Tokyo (JP) for nec corporation, Kei Shibukawa of Tokyo (JP) for nec corporation
IPC Code(s): G06Q30/0207
Abstract: a information processing system according to an aspect of the present disclosure includes: at least one memory configured to store instructions; and at least one processor configured to execute the instructions to: identify, when a discount condition is satisfied in a case where two or more unregistered products and one or more registered products that were registered by an operation by a customer using a portable terminal are purchased in a set, a combination of the unregistered products including the two or more unregistered products; and notify the portable terminal of the identified combination of the unregistered products.
Inventor(s): Masanori KOBAYASHI of Tokyo (JP) for nec corporation, Akihiko ICHIKAWA of Tokyo (JP) for nec corporation
IPC Code(s): G06Q30/0251, G06Q50/14, G06V40/16
Abstract: an information processing apparatus acquires face image data of a passenger who has disembarked from an aircraft from an image capture device, and acquires identification information corresponding to the face image data acquired from the image capture device from the storage device. in the storage device, the identification information of the passenger, which includes flight information of the passenger, and the face image data of the passenger are stored in association with each other in advance. the information processing apparatus determines, based on the flight information included in the acquired identification information, whether the passenger is a passenger who is to re-board an aircraft after disembarking from the aircraft. if the passenger is a re-boarding passenger, a tour suitable for the passenger is determined based on the acquired identification information, and the information is displayed on the display devices.
Inventor(s): Hiroo Ikeda of Tokyo (JP) for nec corporation
IPC Code(s): G06T7/11, G06T7/70
Abstract: to detect a stagnant object by an image analysis at high accuracy, the present invention provides an image processing apparatus including: an acquisition unit that acquires partial region information for each frame image, the partial region information indicating a situation of a target object in each of a plurality of partial regions within one image for each frame image; and an extraction unit that extracts the partial region from a plurality of the partial regions, based on the partial region information for the each frame image, the partial region to be extracted satisfying at least one of a condition that presence of a plurality of the target objects continues at a predetermined level or higher and a condition that uniformity of a state of an aggregation constituted by a plurality of the target objects being present continues at a predetermined level or higher.
Inventor(s): Yoshihiro MISHIMA of Tokyo (JP) for nec corporation
IPC Code(s): G06V10/26, G06T5/50, G06T7/70, G06V10/22, G06V10/764, G06V20/56, G08G1/04
Abstract: captured images generated by repeated image capture over time by an image capture device provided on a moving body are acquired, and for each pixel in each of said captured images, a probability indicating to which of multiple different area classes, which have been designated regarding multiple targets appearing in the captured images, the pixel belongs is calculated. among divisional areas obtained by multiply dividing the captured images in a horizontal direction, a divisional area in which a clarity of a prescribed target among the multiple targets is high, where the probability of belonging to the area class of the prescribed target is equal to or higher than a threshold value, is identified. a clear image is generated by combining the divisional areas in which a display clarity regarding the prescribed target in the captured images is high.
Inventor(s): Kapik Lee of Tokyo (JP) for nec corporation
IPC Code(s): G06V10/60, G06V10/141
Abstract: an information processing apparatus includes: an acquisition unit that obtains a plurality of person images which are generated by imaging a target by using a plurality of different lighting conditions, respectively; a correction unit that performs a correction process of correcting a luminance value of at least one of the plurality of person images, by using at least one of a first index value indicating a mean of a luminance value of at least one of the plurality of person images, and a second index value indicating a degree of variation in the luminance value of the at least one of the plurality of person images; and a determination unit that determines whether or not the target pretends to be another person, on the basis of the person image in which the luminance value is corrected.
Inventor(s): Junko NAKAGAWA of Tokyo (JP) for nec corporation, Ryoma OAMI of Tokyo (JP) for nec corporation, Kenichiro IDA of Tokyo (JP) for nec corporation, Mika SAITO of Tokyo (JP) for nec corporation, Shohzoh NAGAHAMA of Tokyo (JP) for nec corporation, Akinari FURUKAWA of Tokyo (JP) for nec corporation, Yasumasa OHTSUKA of Tokyo (JP) for nec corporation, Junichi FUKUDA of Tokyo (JP) for nec corporation, Fumi IKEDA of Tokyo (JP) for nec corporation, Manabu MORIYAMA of Tokyo (JP) for nec corporation, Fumie EINAGA of Tokyo (JP) for nec corporation, Tatsunori YAMAGAMI of Tokyo (JP) for nec corporation, Keisuke ` HIRAYAMA of Tokyo (JP) for nec corporation, Yoshitsugu KUMANO of Tokyo (JP) for nec corporation, Hiroki ADACHI of Tokyo (JP) for nec corporation
IPC Code(s): G06V20/52, G06V20/40, G06V40/10
Abstract: an information processing apparatus () includes a time and space information acquisition unit () that acquires high-risk time and space information indicating a spatial region with an increased possibility of an accident occurring or of a crime being committed and a corresponding time slot, a possible surveillance target acquisition unit () that identifies a video to be analyzed from among a plurality of videos generated by capturing an image of each of a plurality of places, on the basis of the high-risk time and space information, and analyzes the identified video to acquire information of a possible surveillance target, and a target time and space identification unit () that identifies at least one of a spatial region where surveillance is to be conducted which is at least a portion of the spatial region or a time slot when surveillance is to be conducted, from among the spatial region and the time slot indicated by the high-risk time and space information, on the basis of the information of the possible surveillance target.
Inventor(s): Junko NAKAGAWA of Tokyo (JP) for nec corporation, Ryoma Oami of Tokyo (JP) for nec corporation, Kenichiro IDA of Tokyo (JP) for nec corporation, Mika Saito of Tokyo (JP) for nec corporation, Shohzoh Nagahama of Tokyo (JP) for nec corporation, Akinari Furukawa of Tokyo (JP) for nec corporation, Yasumasa Ohtsuka of Tokyo (JP) for nec corporation, Junichi Fukuda of Tokyo (JP) for nec corporation, Fumi Ikeda of Tokyo (JP) for nec corporation, Manabu Moriyama of Tokyo (JP) for nec corporation, Fumie Einaga of Tokyo (JP) for nec corporation, Tatsunori Yamagami of Tokyo (JP) for nec corporation, Keisuke Hirayama of Tokyo (JP) for nec corporation, Yoshitsugu Kumano of Tokyo (JP) for nec corporation, Hiroki Adachi of Tokyo (JP) for nec corporation
IPC Code(s): G06V20/52, G06V20/40, G06V40/10
Abstract: an information processing apparatus () includes a time and space information acquisition unit () that acquires high-risk time and space information indicating a spatial region with an increased possibility of an accident occurring or of a crime being committed and a corresponding time slot, a possible surveillance target acquisition unit () that identifies a video to be analyzed from among a plurality of videos generated by capturing an image of each of a plurality of places, on the basis of the high-risk time and space information, and analyzes the identified video to acquire information of a possible surveillance target, and a target time and space identification unit () that identifies at least one of a spatial region where surveillance is to be conducted which is at least a portion of the spatial region or a time slot when surveillance is to be conducted, from among the spatial region and the time slot indicated by the high-risk time and space information, on the basis of the information of the possible surveillance target.
Inventor(s): Hiroki ITSUKAICHI of Tokyo (JP) for nec corporation
IPC Code(s): G06V20/56, G06T3/40, G06T7/536, G06V10/25
Abstract: an image processing device includes an image acquiring unit, a first processing unit, a second processing unit and an outputting unit. the image acquiring unit is configured to acquire an image captured by an imaging device. the first processing unit is configured to perform first image processing on the image; a distant specifying means for specifying a distant portion of the image the second processing unit is configured to perform, on the distant portion of the image, second image processing differing from the first image processing the outputting unit is configured to provide output that is based on a processing result of the first image processing and a processing result of the second image processing.
Inventor(s): Yuji HORIBA of Tokyo (JP) for nec corporation, Masanori Kondo of Tokyo (JP) for nec corporation
IPC Code(s): G06V40/12, G06F16/583, G06F16/903, G06F18/22, G06V10/98
Abstract: the present invention provides a matching result display device, a matching result display method, a program, and a recording medium, which allow, at the time of displaying feature points of objects determined as matching on the basis of matching result information provided by a matching system, visual check of the displayed feature points to be performed easily. the matching result display device according to the present invention includes: a feature point acquiring unit that acquires a plurality of feature points common to at least two pieces of image data to be matched against each other; a display position setting unit that sets display positions of corresponding symbols to be assigned to the feature points common to the at least two pieces of image data in such a manner that, when the same corresponding symbols are assigned to corresponding feature points, respectively, a display line connecting each feature point and the corresponding symbol assigned thereto on each of the at least two piece of image data does not overlap with display lines connecting other feature points and corresponding symbols assigned thereto, respectively; and a display unit that provides the corresponding symbols at the display positions and displays the feature points and the corresponding symbols assigned thereto in a state where they are connected with display lines, respectively.
20240071133.PROGRESSIVE CASCADED FACIAL RECOGNITION_simplified_abstract_(nec corporation)
Inventor(s): Kris RANGANATH of Sacramento CA (US) for nec corporation, Kannan Veeranan GANDHI of Sacramento CA (US) for nec corporation, Arun CHANDRASEKARAN of Sacramento CA (US) for nec corporation, Rody BAGTES of Sacramento CA (US) for nec corporation
IPC Code(s): G06V40/16, G06V10/75
Abstract: a device and method for performing a user identification of a user include acquiring a first image of the user. a second image of the user that is associated with a previous user identification of the user is selected. the first image and the second image are compared, and a user identification is performed based on the comparison of the first image the second image.
Inventor(s): Yuta Shimizu of Tokyo (JP) for nec corporation
IPC Code(s): G06V40/16, G06V10/24
Abstract: a captured image showing face images of a plurality of persons is identified. each face image of the plurality of persons shown in the captured image are compared with registered face images, and a registered image including a face most similar to a face of the person shown in the captured image is identified, as a matching target to be matched against the face image of the person shown in the captured image.
Inventor(s): Leiming SU of Tokyo (JP) for nec corporation, Hiroaki Morita of Gunma (JP) for nec corporation, Mamoru INOUE of Tokyo (JP) for nec corporation
IPC Code(s): G06V40/19, A61B5/1171, G06T1/00, G06T7/00, G06V40/18
Abstract: the present invention provides a technology that acquires a high resolution iris image more quickly than before. an iris capture apparatus according to one example embodiment of the present invention includes a rotatable movable mirror; a control unit that controls rotation of the movable mirror; a capture unit that captures different regions of a face of a user via the movable mirror and outputs a group of images every time the control unit rotates the movable mirror by a predetermined angle; and an iris image acquisition unit that acquires an image of an iris of the user from the group of images.
Inventor(s): Terumi UMEMATSU of Tokyo (JP) for nec corporation, Masanori Tsujikawa of Tokyo (JP) for nec corporation
IPC Code(s): G09B5/00, G06N5/04
Abstract: the determination device x mainly includes an attribute data acquisition means x, a trial quantity estimation means x, and a familiarity determination means x. the attribute data acquisition means x is configured to acquire attribute data indicating an attribute of a subject. the trial quantity estimation means x is configured to estimate a required trial quantity, which is a trial quantity to be required for the subject to become familiar with a test undergone by the subject, based on the attribute data. the familiarity determination means x is configured to determine whether or not the subject is familiar with the test, based on the required trial quantity.
Inventor(s): Terumi UMEMATSU of Tokyo (JP) for nec corporation, Masanori TSUJIKAWA of Tokyo (JP) for nec corporation
IPC Code(s): G09B5/00, G06N5/04
Abstract: the determination device x mainly includes an attribute data acquisition means x, a trial quantity estimation means x, and a familiarity determination means x. the attribute data acquisition means x is configured to acquire attribute data indicating an attribute of a subject. the trial quantity estimation means x is configured to estimate a required trial quantity, which is a trial quantity to be required for the subject to become familiar with a test undergone by the subject, based on the attribute data. the familiarity determination means x is configured to determine whether or not the subject is familiar with the test, based on the required trial quantity.
20240072194.LIGHT-RECEIVING DEVICE AND RECEIVING DEVICE_simplified_abstract_(nec corporation)
Inventor(s): Koya Takata of Tokyo (JP) for nec corporation, Hisashi MIZUMOTO of Tokyo (JP) for nec corporation, Fujio OKUMURA of Kanagawa (JP) for nec corporation
IPC Code(s): H01L31/167, H01L31/0232
Abstract: please delete the abstract of the disclosure, and replace it with the following: a light-receiving device that includes a substrate which transmits light in the wavelength band of a spatial light signal to be received, an optical antenna which is disposed on a first surface of the substrate, which receives the spatial light signal, which optically guides signal light derived from the spatial light signal along the in-plane direction of the substrate toward an emission end, and which outputs the signal light from the emission end toward the substrate, and a light-receiving element which is disposed such that a light-receiving surface faces a second surface of the substrate opposite from the first surface, and which receives, at the light-receiving surface, the signal light output from the optical antenna.
Inventor(s): Kenji MIZUTANI of Tokyo (JP) for nec corporation, Masaki OE of Tokyo (JP) for nec corporation
IPC Code(s): H01S5/0687, H01S5/00
Abstract: in order to provide an optical module capable of detecting a frequency variation at higher accuracy, an optical module includes a light source that outputs light, a first splitter that splits the light, a band filter that transmits one piece of light split by the first splitter with a periodic frequency characteristic, a transmitted-light detector that detects transmitted-light intensity transmitted through the band filter, a variation device that varies the transmitted-light intensity in a first direction, by varying a parameter of a signal being input to the light source, and a frequency variation detection device that detects a frequency variation of the light from the light source, when a variation of the transmitted-light intensity in a second direction being opposite to the first direction is detected, in a case where the variation device varies the parameter from the first value to the second value.
Inventor(s): Takuji Mochizuki of Tokyo (JP) for nec corporation, Kazuhiro Ishida of Tokyo (JP) for nec corporation
IPC Code(s): H04B1/04
Abstract: a signal processing device according to an example embodiment includes: a distortion compensation circuit configured to execute distortion compensation processing of compensating for nonlinear distortion on an input signal, and output a signal subjected to the distortion compensation processing; an amplifier configured to amplify the signal output from the distortion compensation circuit and output the amplified signal as a communication signal; and a signal output circuit configured to output an adjustment signal for adjusting the distortion compensation processing to the distortion compensation circuit as the input signal at a timing at which the communication signal is not output, the adjustment signal having a frequency band that covers a frequency band of the communication signal.
Inventor(s): Ryota Abe of Tokyo (JP) for nec corporation
IPC Code(s): H04B10/071, H04B10/25
Abstract: an optical signal monitoring apparatus is used in an optical submarine cable system in which a first branch line is connected to a transmission line being connected to a predetermined terminal station provided in a trunk line, and a second branch line is connected to a reception line being connected to the terminal station. in the optical signal monitoring apparatus, a first extraction unit selectively extracts first monitoring light included in a transmission signal transmitted from the transmission line to the first branch line. a first relay line transmits the extracted first monitoring light to the second branch line. a first merging unit merges the first monitoring light from the first relay line into a reception signal of the second branch line. further, the first extraction unit transmits, to the first relay line, return light transmitted in a direction opposite to the transmission signal in the first branch line.
20240072898.OPTICAL FIBER BRANCHING SWITCHING APPARATUS_simplified_abstract_(nec corporation)
Inventor(s): Hideo ASADA of Tokyo (JP) for nec corporation
IPC Code(s): H04B10/25, G02B6/02, H04B10/275, H04Q11/00
Abstract: an optical fiber branching switching apparatus that branches and switches a multi-core fiber to a multi-core fiber is provided. provided is an optical fiber branching switching apparatus including a first optical fiber, a second optical fiber, a third optical fiber, a plurality of fourth optical fibers, a plurality of fifth optical fibers, and a plurality of sixth optical fibers, wherein the first optical fiber is connected to the second optical fiber by using a plurality of the fourth optical fibers, the first optical fiber is connected to the third optical fiber by using a plurality of the fifth optical fibers, and the second optical fiber is connected to the third optical fiber by using a plurality of the sixth optical fibers.
20240072909.POWER SOURCE CIRCUIT AND OCEAN-FLOOR OPTICAL CABLE_simplified_abstract_(nec corporation)
Inventor(s): Narihiro Arai of Tokyo (JP) for nec corporation
IPC Code(s): H04B10/80, H01S3/091, H01S3/0941, H02M3/04
Abstract: a power source circuit includes circuit elements each including: a current control circuit including a dc/dc converter that inputs a predetermined voltage and outputs a voltage adjusted based on a control signal, to a load operated by feeding a predetermined current, a voltage dividing resistor that generates a reference voltage according to a voltage output from the dc/dc converter, a current detecting resistor that generates a current detecting voltage according to a current fed to the load, and a feedback circuit that compares the reference voltage with the current detecting voltage and outputs the control signal, to the dc/dc converter; and one or more zener diodes connected in parallel to the dc/dc converter at a terminal for inputting the predetermined voltage, wherein the circuit elements are connected in series, and a system current is supplied from an external power source to the circuit elements connected in series.
Inventor(s): Hikaru Tsuchida of Tokyo (JP) for nec corporation
IPC Code(s): H04L9/08, H04L9/40
Abstract: an individual one of secure computation server apparatuses in a secure computation system includes: a local reshare part that computes an arithmetic share from a logic share without communicating with the other secure computation server apparatuses by setting a sub-share not held thereby to zero; a secure computation part that performs a secure computation with communications by using the arithmetic share acquired by the local reshare part, to acquire an arithmetic share from the logic share through a bit conversion; and a comparison and verification part that compares received values with each other, which are received from at least three of the secure computation server apparatuses and which are supposed to be a same value, and adopts the received values that are same at least two received values as an accurate value. the comparison and verification part verifies the received values acquired in the secure computation with communications.
Inventor(s): Yukai Gao of Beijing (CN) for nec corporation, Gang Wang of Beijing (CN) for nec corporation
IPC Code(s): H04L27/26, H04J11/00
Abstract: embodiments of the present disclosure relate to methods and apparatuses of synchronization signal transmission and receiving in a wireless communication system. the method of synchronization signal transmission in a wireless communication system may comprise transmitting a signal set containing one or more synchronization signals, wherein the one or more synchronization signals are transmitted in a predetermined signal transmission pattern within a signal transmission period, and wherein the predetermined signal transmission pattern indicates information on synchronization signal transmission. with embodiments of the present disclosure, it may indicate the information on synchronization signal transmission information by means of the signal transmission mode. thus, especially for an initial access process, it can provide a common frame for both single beam based deployment and multi-beam based deployment.
Inventor(s): Shohei HIRUTA of Tokyo (JP) for nec corporation
IPC Code(s): H04L9/40
Abstract: a suspicious communication detection apparatus includes: a database; a registration part that determines whether a received communication is an encrypted communication or a non-encrypted communication, performs padding on transmission and reception size values and transmission and reception packet numbers of the non-encrypted communication to fill in a difference from an encrypted communication, generates features from the non-encrypted communication obtained after the padding, and registers the features in the database; a learning part that trains a machine learning model by using features of non-encrypted communications registered in the database as training data, wherein the machine learning model receives features of an encrypted communication, and determines whether the encrypted communication is suspicious; and a determination part that refers to the database by using information about a received encrypted communication, enters obtained features about the received encrypted communication to the machine learning model, and determines whether the received encrypted communication is suspicious.
Inventor(s): Shohei HIRUTA of Tokyo (JP) for nec corporation
IPC Code(s): H04L9/40
Abstract: a suspicious communication detection apparatus includes: a database; a machine learning model that receives features of an encrypted communication and that determines whether the encrypted communication is a suspicious communication; a determination part that refers to the database by using information about a received encrypted communication, enters obtained features about the received encrypted communication to the machine learning model, determines whether the received encrypted communication is a suspicious communication, and stores the determination result for the suspiciousness in the database; and a redetermination part that performs, based on a determination result of an encrypted communication from the inside of the organization to the outside of the organization, a redetermination on a determination result of an encrypted communication from the outside of the organization to the inside of the organization, the determination result being stored in the database.
Inventor(s): Shintaro FUJIOKA of Tokyo (JP) for nec corporation, Yutaro OBARA of Tokyo (JP) for nec corporation
IPC Code(s): H04L67/1061, H04L67/51, H04L67/568
Abstract: an edge configuration server, a multi-access system, a method, and a computer-readable medium are provided that make it possible to relocate an application context between different multi-access edge computing systems. an edge configuration server according to the present disclosure is a server included in a multi-access edge computing (mec) system, and includes: a reception unit configured to receive, from a source-edge enabler server (s-ees) in the mec system, an inquiry about a relocation target of an application context; and a transmission unit configured to transmit, to another edge configuration server (ecs) in another mec system, an inquiry about the relocation target.
Inventor(s): Koya TAKATA of Tokyo (JP) for nec corporation, Hisashi MIZUMOTO of Tokyo (JP) for nec corporation, Atsushi KAMOI of Tokyo (JP) for nec corporation
IPC Code(s): H04W16/28
Abstract: a communication apparatus () according to an example aspect of the present invention includes: at least one communication means () that is configured to be capable of transmitting and receiving directional communication media; and a determination means () that determines at least one communication destination with which to communicate by the at least one communication means, in the case of determination of communication with a plurality of communication destinations, the determination means selecting the plurality of communication destinations so that an angle between the plurality of communication destinations as viewed from the communication apparatus is not less than a predetermined angle.
20240073944.METHOD, DEVICE, AND MEDIUM FOR COMMUNICATION_simplified_abstract_(nec corporation)
Inventor(s): Gang WANG of Beijing (CN) for nec corporation
IPC Code(s): H04W74/08, H04B7/0408, H04B7/06
Abstract: embodiments of the present disclosure relate to a method, device, and medium for communication. a communication method comprises performing a plurality of channel access procedures on a shared channel with a plurality of sensing beams, each of the plurality of sensing beams being associated with at least one of a plurality of signals, the plurality of signals comprising a plurality of synchronization signal blocks (ssbs). the method also comprises in accordance with a determination that at least one of the plurality of channel access procedures is successful, determining at least one transmission beam for at least one of the plurality of signals based on at least one of the plurality of sensing beams with which the at least one successful channel access procedure is performed; and transmitting the at least one signal on the shared channel using the at least one transmission beam.
Inventor(s): Koya TAKATA of Tokyo (JP) for nec corporation, Hisashi Mizumoto of Tokyo (JP) for nec corporation, Atsushi Kamoi of Tokyo (JP) for nec corporation
IPC Code(s): H04W76/10, H04W16/28
Abstract: a communication system () includes a plurality of communication apparatuses () and a control apparatus (), the control apparatus () including a control unit () including: a related information acquisition unit () that acquires related information related to the communication apparatuses; a connection request acquisition unit () that acquires a connection request from a new terminal; a determination unit () that determines a communication apparatus which is to be connected to the new terminal; and an instruction unit () that instructs the determined communication apparatus to carry out scanning with respect to the new terminal.
- NEC Corporation
- A61B5/11
- A61B5/00
- G16H50/20
- Nec corporation
- A61B5/1172
- G06T1/00
- G06T7/00
- G06V40/13
- H04N23/53
- A61B5/16
- G16H50/30
- A61B5/18
- A61M21/00
- A61B5/0205
- B60L53/66
- B60L53/63
- G01N22/00
- G01F23/64
- G01F23/76
- G01N33/18
- G01S17/89
- G06T7/33
- G06T19/20
- G01S7/48
- G01S17/933
- G05D1/02
- G06F16/2457
- G06F16/2458
- G06N3/049
- G06N3/063
- G06N3/098
- G06N5/01
- G06N5/04
- G06N20/00
- G06Q10/02
- G06F21/32
- G06Q10/06
- G06Q10/10
- G06V40/16
- G06Q10/0639
- G06Q10/067
- G06Q30/0207
- G06Q30/0251
- G06Q50/14
- G06T7/11
- G06T7/70
- G06V10/26
- G06T5/50
- G06V10/22
- G06V10/764
- G06V20/56
- G08G1/04
- G06V10/60
- G06V10/141
- G06V20/52
- G06V20/40
- G06V40/10
- G06T3/40
- G06T7/536
- G06V10/25
- G06V40/12
- G06F16/583
- G06F16/903
- G06F18/22
- G06V10/98
- G06V10/75
- G06V10/24
- G06V40/19
- A61B5/1171
- G06V40/18
- G09B5/00
- H01L31/167
- H01L31/0232
- H01S5/0687
- H01S5/00
- H04B1/04
- H04B10/071
- H04B10/25
- G02B6/02
- H04B10/275
- H04Q11/00
- H04B10/80
- H01S3/091
- H01S3/0941
- H02M3/04
- H04L9/08
- H04L9/40
- H04L27/26
- H04J11/00
- H04L67/1061
- H04L67/51
- H04L67/568
- H04W16/28
- H04W74/08
- H04B7/0408
- H04B7/06
- H04W76/10
