Patents Assigned to NEC Corporation
  • Publication number: 20240138777
    Abstract: A measurement device that includes a detection unit that detects a gait event from time-series data of sensor data related to motion of a foot, and a measurement unit that performs a measurement of lower limbs by using the sensor data for a prescribed period with a timing of the gait event as a start point, based on a geometric model on which a constraint condition related to motion of the lower limbs is imposed.
    Type: Application
    Filed: December 28, 2023
    Publication date: May 2, 2024
    Applicant: NEC Corporation
    Inventors: Chenhui HUANG, Zhenwei WANG, Kenichiro FUKUSHI
  • Publication number: 20240138652
    Abstract: In the endoscopic examination support apparatus, three three-dimensional model generation means generates a three-dimensional model of a luminal organ in which an endoscope camera is placed, based on endoscopic images acquired by imaging an interior of the luminal organ with the endoscope camera. The unobserved area detection means detects an area estimated not to be observed by the endoscope camera, as an unobserved area, based on the three-dimensional model. The display image generation means generates a display image including information indicating an observation achievement degree for each of a plurality of sites of the luminal organ, based on the detection result of the unobserved area. The endoscopic examination support apparatus may be used to support user's decision making.
    Type: Application
    Filed: December 28, 2023
    Publication date: May 2, 2024
    Applicant: NEC Corporation
    Inventors: Hiroyasu SAIGA, Tatsu Kimura
  • Publication number: 20240142570
    Abstract: A processing apparatus includes a compression unit configured to compress data by compressing at least positional information with respect to phase difference data including the positional information, and a removal unit configured to remove a noise component with respect to the data compressed by the compression unit.
    Type: Application
    Filed: October 19, 2023
    Publication date: May 2, 2024
    Applicant: NEC Corporation
    Inventors: Kosuke KINOSHITA, Takahiro KUMURA
  • Publication number: 20240144624
    Abstract: An object is to construct an accurate correspondence relation between points included in 3D data and pixels that form an image. An alignment unit receives image data acquired by capturing an image of an object, and 3D data of the object, performs alignment between the image data and the 3D data, and outputs data after the alignment. A pixel selection unit selects a target pixel from a plurality of pixels included in the image data. The pixel point association unit selects, from a plurality of point data items of 3D data included in the data after the alignment, three or more point data items near the target pixel as neighboring point data, estimates one surface based on the neighboring point data, and performs association for calculating a position of the target pixel on the one surface in a space which the plurality of point data items belong to.
    Type: Application
    Filed: October 23, 2023
    Publication date: May 2, 2024
    Applicant: NEC Corporation
    Inventors: Kazumine OGURA, Tatsuya SUMIYA, Jiro ABE, Nagma Samreen KHAN, Yuya MATSUMOTO
  • Publication number: 20240146587
    Abstract: A wireless access system includes: a centralized control station; and an access point. The access point performs a pulse width modulation process on an analog uplink signal, thereby to generate an analog modulation signal; and converts the analog modulation signal to an optical uplink signal. The centralized control station converts the optical uplink signal to an electrical uplink signal; performs, on the electrical uplink signal, a filtering process for extracting an analog extraction signal including a signal component corresponding to the analog uplink signal; and converts the analog extraction signal to a digital uplink signal representing a signal level of the analog extraction signal by two or more bits.
    Type: Application
    Filed: October 12, 2023
    Publication date: May 2, 2024
    Applicant: NEC Corporation
    Inventor: Masaaki TANIO
  • Publication number: 20240146468
    Abstract: Embodiments of the present disclosure relate to methods, devices and computer readable media for communication. A terminal device receives, from a network device, a first downlink transmission on a first cell in a cell group; and determines, from a set of cells for uplink control transmissions associated with the cell group, a second cell for a first uplink control transmission for a first HARQ feedback for the first downlink transmission. In this way, a latency for HARQ feedback can be reduced.
    Type: Application
    Filed: March 16, 2021
    Publication date: May 2, 2024
    Applicant: NEC CORPORATION
    Inventors: Gang WANG, Lin LIANG
  • Publication number: 20240144025
    Abstract: An information processing device includes a feature extraction means for extracting, from input data that is motion data representing a motion of a person, basic feature data representing a feature of the motion data corresponding to a basic motion set with respect to the motion, motion feature data representing a feature of the motion data corresponding to a motion style set with respect to the motion, and person feature data representing a feature of the motion data corresponding to the person; a motion data generation means for generating first motion data based on the basic feature data and the motion feature data, and generating second motion data based on the basic feature data and the person feature data; and a learning means for learning the feature extraction means and the motion data generation means based on the first motion data and the second motion data.
    Type: Application
    Filed: October 23, 2023
    Publication date: May 2, 2024
    Applicant: NEC Corporation
    Inventor: Kosuke NISHIHARA
  • Publication number: 20240146437
    Abstract: A penalty is introduced to the channel with less noise when the difference in the transmitted signal quality among channels is reduced; therefore, an equalization apparatus according to an exemplary aspect of the disclosure includes a processing means for performing a process associated with a signal using a transfer function with a coefficient, the signal propagating through each of a plurality of channels; and a coefficient generating means for generating the coefficient based on channel quality information on each of the plurality of channels.
    Type: Application
    Filed: January 24, 2022
    Publication date: May 2, 2024
    Applicant: NEC Corporation
    Inventors: Mingqi WU, Kazushi MURAOKA
  • Publication number: 20240146400
    Abstract: At least one processor included in a server carries out: an acquiring process of acquiring, from a communication terminal configured to communicate with low earth orbit satellite equipment, information which indicates a communication condition in the communication terminal regarding communication with the low earth orbit satellite equipment; and a controlling process of referring to a radio wave map of a region including a location of the communication terminal and the information, to control an air vehicle configured to measure an attenuation of a radio wave between the air vehicle and the communication terminal.
    Type: Application
    Filed: October 19, 2023
    Publication date: May 2, 2024
    Applicant: NEC Corporation
    Inventors: Kazuyuki HAYASHI, Masakazu Ono, Junichi Funada, Kenji Wakafuji, Kohei Yoshida
  • Publication number: 20240140437
    Abstract: A method of self-localizing with respect to surrounding objects, comprising obtaining an approximated geolocation of the vehicle, retrieving mapping data comprising a geolocation of one or more stationary objects located in an area surrounding the approximated geolocation, receiving imagery data of a surrounding environment of the vehicle captured by a plurality of distinct imaging sensors deployed in the vehicle, applying one or more trained machine learning models to identify one or more of the stationary objects in the imagery data, computing a relative positioning of the vehicle with respect to one or more of the stationary objects based on an orientation of each of the plurality of imaging sensors with respect to the stationary object(s), computing an absolute positioning of the vehicle based on the relative positioning and the geolocation of the stationary object(s), and outputting the vehicle's absolute positioning.
    Type: Application
    Filed: October 27, 2022
    Publication date: May 2, 2024
    Applicant: NEC Corporation Of America
    Inventors: Yaacov HOCH, Daniel BOLGAR, Yoav BADIKHI, Tsvi LEV
  • Publication number: 20240146405
    Abstract: A control apparatus capable of exhibiting the diversity effect in a hybrid mobile communication system using a terrestrial communication apparatus and a non-terrestrial communication apparatus is provided.
    Type: Application
    Filed: October 13, 2023
    Publication date: May 2, 2024
    Applicant: NEC Corporation
    Inventors: Kenji WAKAFUJI, Junichi FUNADA, Kohei YOSHIDA, Masakazu ONO, Kazuyuki HAYASHI
  • Publication number: 20240144816
    Abstract: A control apparatus (10) includes an image processing unit (110), a movement route estimation unit (120), and a control unit (140). The image processing unit (110) detects occurrence of a specific event by processing an image. The movement route estimation unit (120) determines an object being a person and/or a vehicle being involved in the specific event, and estimates an estimated movement route of the object. The control unit (140) controls a device in order to guide the object according to the estimated movement route. The device to be controlled herein is, for example, a traffic light included in a traffic system.
    Type: Application
    Filed: December 17, 2021
    Publication date: May 2, 2024
    Applicant: NEC Corporation
    Inventor: Kazuya KAWAKAMI
  • Publication number: 20240144500
    Abstract: A data conversion device including a feature amount calculation unit that normalizes posture data estimated in each frame constituting moving image data including a synchronization target motion into an angular representation, and calculates a feature amount in an embedded space by inputting the posture data normalized into the angular representation to an encoder, a distance calculation unit that calculates a distance between a feature amount calculated in each frame constituting reference moving image data and a feature amount calculated in each frame constituting synchronization target moving image data, a synchronization processing unit that calculates an optimal path for each frame based on the calculated distance and synchronizes the synchronization target moving image data with the reference moving image data by aligning timings of frames connected by the optimal path, and an output unit that outputs the synchronization target moving image data synchronized with the reference moving image data.
    Type: Application
    Filed: October 16, 2023
    Publication date: May 2, 2024
    Applicant: NEC Corporation
    Inventors: Yoshitaka NOZAKI, Kenichiro Fukushi, Kosuke Nishihara, Kentaro Nakahara
  • Publication number: 20240138711
    Abstract: A feature-amount generation device that includes an extraction unit that generates a gait waveform for one gait cycle from time-series data of sensor data related to a motion of a foot, extracts a feature amount from the generated gait waveform, and extracts a gait phase cluster by integrating a plurality of temporally continuous gait phases from each of which a feature amount is extracted, and a generation unit that generates a feature amount of the gait phase cluster using a preset feature-amount constitutive expression, and generates feature-amount data in which the plurality of gait phases constituting the gait phase cluster and the feature amount of the gait phase cluster are associated with each other.
    Type: Application
    Filed: December 22, 2023
    Publication date: May 2, 2024
    Applicant: NEC Corporation
    Inventors: Chenhui HUANG, Fumiyuki NIHEY, Kentaro NAKAHARA, Kenichiro FUKUSHI
  • Publication number: 20240141617
    Abstract: In order to specify and instruct to where to move an object in order to form the object in a shape that allows the object to be easily excavated, a control method includes: acquiring information pertaining to a deposition state of the object deposited; specifying a destination of the object in an excavation target region with reference to the acquired information pertaining to the deposition state; and instructing an excavator to move the object to the destination.
    Type: Application
    Filed: February 26, 2021
    Publication date: May 2, 2024
    Applicant: NEC Corporation
    Inventors: Tatsuya Yoshimoto, Hiroshi YOSHIDA
  • Publication number: 20240144814
    Abstract: A traffic signal control apparatus comprises a determination part determining whether or not to stop the vehicle based on behavior of the vehicle entering a predetermined intersection; and a selection part selecting a traffic signal machine(s) that performs signal control for stopping the vehicle from among control target traffic signal machines. The selection part selects a traffic signal machine(s) that is located in a traveling direction of the vehicle and that may eliminate traffic jam by the signal control for stopping the vehicle.
    Type: Application
    Filed: March 10, 2021
    Publication date: May 2, 2024
    Applicant: NEC Corporation
    Inventor: Kazuki Ogata
  • Publication number: 20240146757
    Abstract: It is determined whether to involve the security risk based on the data flow in the system to be analyzed. An analysis apparatus 1A a historical information collecting unit 220A configured to collect historical information on an operational history for a program executed in a system to be analyzed, an information adding unit 230 configured to add to the historical information, external information obtained from an information resource other than an information processing apparatus that executes the program, and a risk determining unit 180A configured to perform a risk determining processing for determining based on preset determining condition, whether to involve security risk in the historical information to which the external information is added.
    Type: Application
    Filed: March 19, 2021
    Publication date: May 2, 2024
    Applicant: NEC Corporation
    Inventors: Kazuhiko lsoyama, Junpei Kamimura, Yoshiaki Sakae
  • Publication number: 20240147258
    Abstract: A base station control apparatus includes a part that acquires a provision state of a predetermined service by one or more base stations in a service target area; and a part that instructs the one or more base stations whether or not to provide the predetermined service based on a service coverage which indicates a ratio of one or more areas in which the predetermined service is provided by the one or more base stations for each road section included in the service target area.
    Type: Application
    Filed: March 2, 2021
    Publication date: May 2, 2024
    Applicant: NEC Corporation
    Inventor: Kazuki Ogata
  • Publication number: 20240147492
    Abstract: Embodiments of the present disclosure relate to methods, devices and computer storage media for communication. A method comprises monitoring, at a terminal device, a first Physical Downlink Control Channel (PDCCH) candidate and a second PDCCH candidate, wherein the first PDCCH candidate and the second PDCCH candidate are linked for PDCCH repetition. The method further comprises in response to a predetermined condition being satisfied, detecting, from at least one of the first and second PDCCH candidates, downlink control information (DCI) comprising a bandwidth part (BWP) indicator field indicating an active BWP change.
    Type: Application
    Filed: February 26, 2021
    Publication date: May 2, 2024
    Applicant: NEC CORPORATION
    Inventors: Yukai GAO, Gang WANG
  • Publication number: 20240143855
    Abstract: A simulated road generation system (10) includes an acquisition unit (11), a detection unit (12), an estimation unit (13), and a generation unit (14). The acquisition unit (11) acquires an image indicating a surrounding of a vehicle, and position information of the vehicle. The detection unit (12) detects a demarcation line of a road from the image. The estimation unit (13) estimates, based on the position information of the vehicle and the demarcation line in the image, a road parameter including at least one of a number of lanes included in a predetermined region on a real space, a length of the lane, a width of the lane, and a curve curvature. The generation unit (14) generates a simulated road, based on the road parameter.
    Type: Application
    Filed: March 10, 2021
    Publication date: May 2, 2024
    Applicant: NEC Corporation
    Inventor: Masataka NISHIDA