NEC Corporation patent applications published on September 21st, 2023

CALCULATION DEVICE, CALCULATION METHOD, AND PROGRAM RECORDING MEDIUM (18019734)

Abstract

In order to calculate, with a high degree of accuracy, step lengths for both feet on the basis of a physical quantity relating to the movement of one foot, this calculation device includes: a detection unit that generates a walking waveform using sensor data and detects a walking event from the generated walking waveform, the sensor data being based on a physical quantity that is measured by a sensor positioned on one foot of a walker and relates to the movement of the foot; and a step length calculation unit that calculates the step lengths for both left and right feet on the basis of the timing of the detected walking event.

Inventor

Chenhui Huang

ANALYSIS DEVICE (18021017)

Abstract

An analysis device includes a detection unit that detects abnormality in lung sounds for each of auscultation positions on the basis of time-series acoustic signals including lung sounds of each of the auscultation positions; a determination unit that determines severity of heart failure of a patient on the basis of a detection result of abnormality in the lung sounds of each of the auscultation positions detected by the detection unit and condition information representing the condition of the patient; and a decision unit that decides an instruction to be output to the patient on the basis of a result of the determination by the determination unit.

Inventor

Masao Higuchi

LUNG SOUND ANALYSIS SYSTEM (18020362)

Abstract

A lung sound analysis system includes an acquisition means for acquiring time-series acoustic signals including lung sounds of a subject who is a heart failure patient, a determination means for determining a pause phase of breathing of the subject, a dividing means for dividing the time-series acoustic signals into those in a period of the pause phase of breathing of the subject and those in a period other than the pause phase, according to a result of the determination, and a detection means for detecting abnormality in the lung sounds from the time-series acoustic signals in the period other than the pause phase after the division.

Inventor

Masao Higuchi

LUNG SOUND ANALYSIS SYSTEM (18021112)

Abstract

A lung sound analysis system includes a storage means for storing time-series acoustic signals including lung sounds at the time of discharge from hospital of a subject who is a heart failure patient, as reference signals; an acquisition means for acquiring time-series acoustic signals including lung sounds at the determination object time after the discharge from the hospital of the subject, as determination object signals; and a detection means for detecting abnormality in the lung sounds from the determination object signals on the basis of the reference signals.

Inventor

Masao Higuchi

SIGNAL PROCESSING DEVICE, SIGNAL PROCESSING METHOD, AND NON-TRANSITORY COMPUTER-READABLE STORAGE MEDIUM (18021245)

Abstract

A signal processing device according to an aspect of the present disclosure comprises: cutout means that cuts out a target signal in a predetermined section, and an overlap signal in a section not matching the predetermined section but overlapping with at least part of the predetermined section from an input signal; conversion means that converts the target signal and the overlap signal into a phase component signal in a frequency domain with respect to each frequency; gradient calculation means that, based on the phase component signal, calculates, at each frequency, a phase gradient that is the gradient of the phase component at the frequency; score calculation means that calculates a score relating to the sudden change characteristic of the input signal according to the phase gradients; and determination means that, based on the score, determines the presence or absence of a sudden change in the target signal.

Inventor

Sakiko MISHIMA

UNDERWATER NOISE MONITORING DEVICE, UNDERWATER NOISE MONITORING METHOD, AND STORAGE MEDIUM (18019143)

Abstract

In order to facilitate the disposition of multiple noise measuring points in a distributed manner, this underwater noise monitoring device is provide with: a processing unit in which, by using data which was acquired using optical fibers installed underwater or on a bottom of water and which indicates noise or vibration at the position of each of the optical fibers, a statistical value of the amount of noise or vibration is derived at the time and the place when/where the data was acquired; and an output unit that outputs the statistical value.

Inventor

Yutaka YANO

AQUATIC ORGANISM OBSERVATION DEVICE, AQUATIC ORGANISM OBSERVATION SYSTEM, AQUATIC ORGANISM OBSERVATION METHOD, AND RECORDING MEDIUM (18019446)

Abstract

To observe sounds produced by aquatic organisms with less effort, this aquatic organism observation device is made to include an aquatic organism information detection unit for detecting, from sound data that has been acquired using an optical fiber installed in or at the bottom of water and is related to sound at various positions on the optical fiber, a sound emitted by an aquatic organism at a sound data acquisition time and location, and an output unit for outputting aquatic organism information.

Inventor

Yutaka YANO

FAILURE PREDICTION SYSTEM, FAILURE PREDICTION DEVICE, AND FAILURE PREDICTION METHOD (18021339)

Abstract

In order to provide a mechanism which predicts a risk of future failure occurrence, by using fiber optic sensing, this failure prediction system comprises: a sensing function unit which acquires the environmental information detected by the optical fiber; an event classification function unit which classifies, by type, events occurring at each position of the object indicated by the environmental information, on the basis of event classification conditions; and a failure occurrence risk calculation unit having, in advance, one or more failure models obtained by modeling a physical mechanism that leads to a malfunction in the object, wherein the failure occurrence risk calculation unit calculates a failure occurrence risk in each object by the mechanism, and outputs the accumulated result as a risk or availability.

Inventor

Yutaka Yano

PRODUCTION PLAN OPTIMIZATION APPARATUS, METHOD, NON-TRANSITORY COMPUTER READABLE MEDIUM STORING PROGRAM, AND CONTROL APPARATUS (18017242)

Abstract

A production plan optimization apparatus includes a traveling salesman problem formulation unit for formulating a problem regarding determining a sequence in which a plurality of workpieces are processed as a traveling salesman problem that satisfies a delivery date constraint based on a delivery date specified for at least one of the plurality of workpieces and a sequence constraint specified for at least one of combinations of the plurality of workpieces and also minimizes a sum of changeover times associated with switching of the workpieces and a processing sequence determination unit for calculating a solution to the traveling salesman problem, by using an annealing processing unit for searching for an optimal solution to a combinatorial optimization problem by simulated annealing or quantum annealing, and determining the sequence in which the plurality of workpieces are processed based on a result of the calculation.

Inventor

Hiroshi Chishima

MOVING BODY CONTROL SYSTEM, CONTROL APPARATUS, AND MOVING BODY CONTROL METHOD (18020538)

Abstract

In order to provide a moving body control system, a control apparatus, and a moving body control method that can control a moving body to travel on a path appropriate for the moving body to return to a target line, the moving body control system includes a moving body and a control apparatus configured to control the moving body to follow a target path. The control apparatus is configured to determine a path to return to a target line, including a turning path by a turning radius of the moving body, based on the turning radius of the moving body, a distance between the moving body and the target line, and an angle between a moving direction of the moving body and the target line and to control the moving body to travel on the path.

Inventor

Hiroshi Yoshida

INVALID AREA SPECIFYING METHOD FOR TOUCH PANEL OF MOBILE TERMINAL (18128654)

Abstract

A touch-panel cellular phone specifies an invalid area not accepting a user’s input operation on a touch panel in advance. The cellular phone detects a user’s touch area on the touch panel so as to execute a function pre-assigned to the touch area not encompassed by the invalid area. Additionally, it is possible to reduce and display menu icons in the display area precluding the invalid area on the touch panel. Thus, it is possible to prevent an error operation when a user holding a cellular phone inadvertently touches the touch panel.

Inventor

Tomoya MAKIGUCHI

INFORMATION DISTRIBUTION CONTROL DEVICE, INFORMATION DISTRIBUTION CONTROL METHOD, AND STORAGE MEDIUM (18183643)

Abstract

An information distribution control device 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: distribute, to a terminal device, distribution information in which the terminal device is designated as a distribution destination, the terminal device displaying the received distribution information in a signage region included in a display screen; receive input information indicating an input to the signage region; update the distribution information according to the input information; and distribute the updated distribution information to a terminal device designated as a distribution destination of the distribution information.

Inventor

Koji Hasegawa

VIDEO SEARCH SYSTEM, VIDEO SEARCH METHOD, AND COMPUTER PROGRAM (18023124)

Abstract

A video search system includes: a scene information acquisition unit that obtains a scene information indicating a scene of a video; a search query acquisition unit that obtains a search query; a similarity calculation unit that calculates a similarity degree between the scene information and the search query; and a video search unit that searches for a video corresponding to the search query on the basis of the similarity degree. According to such a video search system, it is possible to properly recognize the video, for example, by using a search query that uses a natural language.

Inventor

Yousuke Motohashi

INFORMATION SEARCH APPARATUS, INFORMATION SEARCH METHOD, AND COMPUTER-READABLE RECORDING MEDIUM (18009857)

Abstract

The information search apparatus  includes: a logical inference unit  that executes a logical inference by applying a rule indicating a relationship between occurrences to a set of data indicating observed occurrences, and generates data of a series of occurrences through the logical inference; a query generation unit  that determines a condition for extracting data related to the series of occurrences from the set of data indicating observed occurrences based on the data of the series of occurrences and the rule indicating a relationship between occurrences, and generates a query using the condition determined; and a data search unit  that executes search processing on the set of data indicating observed occurrences using the query generated.

Inventor

Itaru Hosomi

STATE OUTPUT SYSTEM, STATE OUTPUT METHOD, AND STATE OUTPUT PROGRAM (18016915)

Abstract

A state output system includes a solving unit which executes a solving process for solving a combinatorial optimization problem by a simulated annealing method, an acquiring unit which acquires data indicating states of the solving process in execution from the solving unit, and an outputting unit which outputs the acquired data during the execution of the solving process.

Inventor

Motoi Suzuki

BIOMETRIC DETERMINATION SYSTEM, BIOMETRIC DETERMINATION METHOD, AND COMPUTER PROGRAM (18022959)

Abstract

A biometric determination system includes: a face detection unit that detects a position of a face from an image including the face; a temperature acquisition unit that obtains temperatures at a plurality of points of the face; and a biometric determination unit that determines whether or not the face belongs to a living body on the basis of the temperatures at the plurality of points. According to such a biometric determination system, it is possible to properly detect whether or not the face included in the image belongs to a living body.

Inventor

Takayuki KASE

INFORMATION PROCESSING APPARATUS, INFORMATION PROCESSING METHOD, AND NON-TRANSITORY COMPUTER READABLE MEDIUM STORING PROGRAM (18024195)

Abstract

An information processing apparatus includes an input receiving unit, a first permutation processing unit that repeats a first permutation process a times and outputs a first intermediate text, a second permutation processing unit that repeats a second permutation process b times and outputs a second intermediate text, and a termination processing unit that performs a termination process for outputting a ciphertext by using the second intermediate text as an input. The first permutation process is a permutation process in which an addition process, an S-box process, a bit permutation process, and a matrix multiplication process are successively performed. The second permutation process is a permutation process in which the addition process, the S-box process, a nibble permutation process, and the matrix multiplication process are successively performed. The termination process is a permutation process in which the S-box process and the addition process are successively performed.

Inventor

Kazuhiko MINEMATSU

POLICY CREATION APPARATUS, CONTROL APPARATUS, POLICY CREATION METHOD, AND NON-TRANSITORY COMPUTER READABLE MEDIUM STORING PROGRAM (18018830)

Abstract

A policy creation apparatus capable of creating policies with high quality and high visibility is provided. A rule creation unit () creates a plurality of rule sets including a plurality of rules that are a combination of a condition for determining a necessity of an action to be taken regarding an object and the action to be performed when the condition holds. An order determination unit () determines an order of the rules in each of the plurality of rule sets. An action determination unit () determines whether or not the condition holds in accordance with the determined order, and determines the action when the condition holds.

Inventor

Yukiko TAKAHASHI

VALUE TRANSFER APPARATUS, VALUE TRANSFER SYSTEM, VALUE TRANSFER METHOD, AND NON-TRANSITORY COMPUTER-READABLE MEDIUM (18016560)

Abstract

A value transfer apparatus () includes: an acquisition unit () configured to acquire a captured image including a plurality of users; an authentication control unit () configured to control biometric authentication of biometric information of each of the plurality of users extracted from the captured image; an output unit () configured to output a list of two or more users the biometric authentication of whom is successful to an external terminal; an acceptance unit () configured to accept, from the external terminal, selection of a transfer source user and a transfer destination user of electronic value information from the list and input of a transferred portion of the value information; and a transfer control unit () configured to perform transfer control of the transferred portion from the transfer source user to the transfer destination user.

Inventor

Risa TAGAWA

IMAGE PROCESSING APPARATUS, IMAGE PROCESSING METHOD, AND NON-TRANSITORY COMPUTER-READABLE MEDIUM (18007799)

Abstract

An image processing apparatus () includes an image processing unit () and a risk information generation unit (). The image processing unit () acquires and processes an image generated by an image capture apparatus (), that is, an image including a plurality of persons. As an example, the image processing unit () sets a person being at least part of the plurality of persons as a reference person and computes a distance (first distance) between the reference person and the closest person to the reference person. By using the first distance, the risk information generation unit () generates infection risk information in a target region being an image capture target of the image capture apparatus ().

Inventor

Gaku Nakano

PHOTOGRAPHING APPARATUS, PHOTOGRAPHING UNIT, IMAGE ANALYSIS APPARATUS, AND THREE-DIMENSIONAL SHAPE MEASURING SYSTEM (18019865)

Abstract

The present invention reduces the time and effort spent on alignment in an apparatus that photographs an object from a plurality of different directions, using a plurality of cameras. The present invention comprises: a plurality of photographing units () each provided with a camera; and a base () to which the plurality of photographing units () are attached, wherein camera alignment for each of the plurality of photographing units () can be adjusted independently.

Inventor

Osami FUJIMORI

IMAGE PROCESSING SYSTEM, IMAGE PROCESSING METHOD AND PROGRAM, AND DEVICE (18202009)

Abstract

The disclosed embodiments include computer-implemented devices, systems, and methods that support image processing services. In an embodiment, a server may match a partial image received from a terminal with stored candidate image in the memory, and upon identification of a match, transmit information identifying the matched candidate image to the terminal.

Inventor

Shoji YACHIDA

IMAGE MATCHING APPARATUS, CONTROL METHOD, AND NON-TRANSITORY COMPUTER-READABLE STORAGE MEDIUM (18021291)

Abstract

The image matching apparatus () comprises a ground-view feature extractor (), an aerial-view feature extractor (), and a determination unit (). The ground-view feature extractor () extracts features from the ground-view image () to generate feature maps without attention mechanism and feature maps with attention mechanism. The aerial-view feature extractor () extracts features from the aerial-view image () to generate feature maps without attention mechanism and feature maps with attention mechanism. The determination unit () computes a similarity score, which indicates a degree of similarity between the ground-view image () and the aerial-view image (), based on the generated feature maps. Then, the determination unit () determines whether the ground-view image () matches the aerial-view image () based on the similarity score.

Inventor

Royston Rodrigues

IMAGE AUGMENTATION APPARATUS, CONTROL METHOD, AND NON-TRANSITORY COMPUTER-READABLE STORAGE MEDIUM (18021517)

Abstract

An image augmentation apparatus () performs an image augmentation process on an original training dataset () to generate an augmented training dataset (). The original training dataset () includes an original ground-view image () and an original aerial-view image (). The image augmentation process includes a removal process in which partial regions including objects of a specific type are removed. The image augmentation apparatus () performs the image augmentation process on the original ground-view image () to generate an augmented ground-view image (), on the original aerial-view image () to generate an augmented aerial-view image (), or both.

Inventor

Royston Rodrigues

SPOOFING DETECTION DEVICE, SPOOFING DETECTION METHOD, AND RECORDING MEDIUM (18200774)

Abstract

To provide a technology of more accurately detecting spoofing in face authentication, without increasing a scale of a device configuration and a burden on a user. A spoofing detection device includes a facial image sequence acquisition unit, a line-of-sight change detection unit, a presentation information display unit, and a spoofing determination unit. The facial image sequence acquisition unit acquires a facial image sequence indicating the face of a user. The line-of-sight change detection unit detects information about a temporal change in the line-of-sight from the facial image sequence. The presentation information display unit displays presentation information presented to the user as part of an authentication process. The spoofing determination unit determines the likelihood of the face indicated by the facial image sequence being spoofing on the basis of the information about the temporal change in the line-of-sight with respect to the presentation information.

Inventor

Yusuke MORISHITA

IMAGING DEVICE AND IMAGING METHOD (18200791)

Abstract

An imaging device includes: an imaging portion that captures an image of a portion of a living body to take in the image; a display portion that displays first and second display images with being superimposed on each other, the first display image being based on the taken-in image, the second display image including guidance regarding a way to place the portion of the living body in a prescribed position; a determination portion that determines whether the portion of the living body is placed in the prescribed position; and a control portion that, until it is determined that the portion of the living body is placed in the prescribed position, causes the imaging portion to newly capture and take in a new image of the portion of the living body and causes the display portion to display an image based on the new taken-in image.

Inventor

Takahiro SAKAMOTO

SERVER DEVICE, SYSTEM, AND CONTROL METHOD FOR SERVER DEVICE (18011242)

Abstract

Provided is a server device that achieves highly accurate biometric authentication. This server device includes a management unit, and a processing unit. The management unit manages a database that stores biometric information about each of a plurality of users. The processing unit processes an authentication request from each of a plurality of terminals, including a gate device at a final stage of a series of procedures, with reference to the database. When a first user who has succeeded in authentication passes through the gate device, the management unit invalidates an entry of the first user stored in the database.

Inventor

Takumi OTANI

AUTHENTICATION CONTROL APPARATUS, AUTHENTICATION CONTROL SYSTEM, AUTHENTICATION CONTROL METHOD, AND NON-TRANSITORY COMPUTER-READABLE MEDIUM (18013716)

Abstract

An authentication control apparatus () includes: a biometric information acquisition unit () that acquires biometric information of a pedestrian on a predetermined passage in which a plurality of light emitting elements are embedded from a captured image of the pedestrian; an authentication control unit () that acquires a biometric authentication result obtained using the acquired biometric information and biometric information of a plurality of persons; a position specification unit () that specifies a position of the pedestrian on the passage by analyzing the captured image; and a display control unit () that performs display control related to the biometric authentication result for the light emitting element corresponding to a light emission target region including the specified position.

Inventor

Honami Yuki

LEARNING APPARATUS, ESTIMATION APPARATUS, LEARNING METHOD, AND NON-TRANSITORY STORAGE MEDIUM (18010158)

Abstract

The present invention provides a learning apparatus () including: an acquisition unit () that acquires an image; a similarity computation unit () that computes a similarity between the acquired image, and a first image being accumulated in advance and indicating an abnormal state; a registration unit () that registers, as a second image indicating a normal state, the acquired image whose similarity is equal to or less than a first reference value; and a learning unit () that generates an estimation model for discriminating between normal and abnormal by machine learning using the first image and the second image.

Inventor

Jianquan LIU

IMPORTANT REGION SETTING DEVICE, ENCODING DEVICE, NETWORK CAMERA, IMPORTANT REGION SETTING METHOD, AND PROGRAM RECORDING MEDIUM (18017564)

Abstract

[Problem] To set an important region appropriately in an image obtained using a camera.

Inventor

Kazuki Ogata

MOBILE TERMINAL, PROXIMITY DETECTION SYSTEM, METHOD, AND NON-TRANSITORY COMPUTER READABLE MEDIUM (18017472)

Abstract

A mobile terminal capable of grasping the possibility that a person had been in proximity to an infected person while taking his/her privacy into consideration is provided. A mobile terminal according to the present disclosure includes an extraction unit configured to extract, from an image of an identification code generated based on identification information assigned to a place and displayed at the place, the identification information, and store the extracted identification information in a storage device, an acquisition unit configured to acquire identification information stored in a storage device of a mobile terminal of an infected person, and a determination unit configured to determine whether or not the acquired identification information matches the identification information stored in the storage device of a user's own mobile terminal. The determination unit notifies the user of information about proximity of the user to the infected person based on a result of the determination.

Inventor

Akiko Suzuki

ARRAY ANTENNA SUBSTRATE AND APPARATUS ANTENNA APPARATUS (18182942)

Abstract

In order to provide a technique for increasing practicality of an array antenna apparatus, included are: a base body () extending parallel to a Z-X plane in an orthogonal coordinate system X-Y-Z; a plurality of first antenna elements (L), arranged on an edge of the X-directional side of one surface of the base body, and configured to emit a radio wave at least in the X-direction; a plurality of second antenna elements (R), arranged on an edge of the X-directional side of the other surface of the base body, and configured to emit a radio wave at least in the X-direction. The plurality of first antenna elements is arranged in the Z-direction, the plurality of second antenna elements is arranged in the Z-direction, and the first antenna elements and the second antenna elements are located alternately viewed in the Z-direction.

Inventor

Koki TANJI

OSCILLATOR (18134145)

Abstract

An oscillator in which crosstalk can be reduced is provided. An oscillator includes a SQUID, a transmission line connected to the SQUID, a ground plane, and a first connection circuit disposed in a vicinity of a node of an electric field of a standing wave that is generated when the oscillator is oscillating, the first connection circuit connecting parts of the ground plane located on both sides of the transmission line to each other.

Inventor

Yoshihito HASHIMOTO

CSI REPORTING CONFIGURATION (17626211)

Abstract

A communication system is disclosed in which an access network node determines a CSI feedback occasion in respect of a terminal device, determines if a PUSCH data transmission can be scheduled earlier than a PUCCH data transmission or if a PDSCH data transmission is to be scheduled; and if a PUSCH data transmission cannot be scheduled earlier than a PUCCH data transmission or a PDSCH data transmission is to be scheduled, transmits a downlink DCI of Downlink DCI format to the terminal device, the downlink DCI being configured to trigger generation by the terminal device of CSI reporting data; wherein the downlink DCI is further configured to schedule either a PUSCH or a PUCCH data transmission to support transmission of the CSI reporting data, depending on PUCCH availability when the CSI feedback occasion is determined.

Inventor

Ayesha IJAZ

VIDEO SURVEILLANCE SYSTEM AND VIDEO SURVEILLANCE METHOD (18201989)

Abstract

A video surveillance system includes: a detection unit that detects a predetermined event on the basis of an image captured by a first imaging apparatus; and a control unit that controls a second imaging apparatus such that the second imaging apparatus captures an image of a predetermined position after the detection of the predetermined event.

Inventor

Kenichiro IDA