NEC Corporation patent applications published on September 28th, 2023

IMAGE DISPLAY DEVICE, IMAGE DISPLAY SYSTEM, IMAGE DISPLAY METHOD, AND PROGRAM (18204145)

Abstract

An image display device includes an approach situation information acquirer that acquires approach situation information indicating approach of at least part of a customer's body to a shelf on which a plurality of items are displayed and indicating, when there is the approach, a position of the approach on the shelf at each time; an associator that associates the approach situation information with one item of the plurality of items according to the position indicated by the approach situation information; an index value calculator that calculates an index value relating to the customer's behavior on the basis of information indicating the item associated with the approach situation information; and a display unit that displays the index value calculated by the index value calculator together with an image of the item on the basis of the association made by the associator.

Inventor

Jun KOBAYASHI

INFORMATION PROCESSING DEVICE, CONTROL METHOD, AND STORAGE MEDIUM (18020568)

Abstract

An information processing device X mainly includes a first acquisition means X, a second acquisition means X, and an estimation means X. The first acquisition means X acquires a measurement result of an intellectual ability of a measurement target person. The second acquisition means X acquires an estimation result of a mental state of the measurement target person, the mental state affecting the measurement of the intellectual ability. The estimation means X estimates the intellectual ability based on the measured result of intellectual ability and the estimation result of the mental state.

Inventor

Masanori Tsujikawa

LUNG SOUND ANALYSIS SYSTEM (18020793)

Abstract

A lung sound analysis system includes a storage means for storing therein the history of auscultation observations on lung sound data of each of auscultation positions of a subject who is a heart failure patient, a calculation means for calculating appearance frequency of abnormal sounds for each of the auscultation positions on the basis of the history, a determination means for determining the sequence of the auscultation positions at which lung sounds are to be auscultated from the subject, on the basis of the calculated appearance frequency, and an acquisition means for giving guidance on the auscultation positions of the subject to an operator according to the determined sequence, and acquiring time-series acoustic signals including lung sounds from a guided auscultation position.

Inventor

Masao Higuchi

UNCONFIRMED SOUND EXTRACTION DEVICE, UNCONFIRMED SOUND EXTRACTION SYSTEM, UNCONFIRMED SOUND EXTRACTION METHOD, AND RECORDING MEDIUM (18019161)

Abstract

In, for example, the overly vast ocean, it would be economically impossible to use common sensors to construct a sensor network for capturing a rare phenomenon. This invention addresses the problem of providing an unconfirmed sound extraction device, and the like, for facilitating the monitoring of sound caused by an infrequently occurring phenomenon. This unconfirmed sound extraction device comprises an unconfirmed sound extraction unit for extracting, from sound data that has been acquired using an optical fiber and is related to sound at various positions on the optical fiber, unconfirmed sound information representing unconfirmed sound data, which is of the sound data and is on a sound having a cause that cannot be estimated, at a sound data acquisition time and location, and an output unit for outputting the unconfirmed sound information.

Inventor

Yutaka YANO

METHOD FOR SENSING PLANT HORMONE USING HYDRAZINE DERIVATIVE, SENSOR USING THE SAME, AND METHOD FOR EARLY DETECTION OF PLANT DISEASE INFECTION (18018661)

Abstract

Provided is a method for sensing methyl jasmonate, which is a plant hormone released when a plant is damaged by an insect pest, in the cultivation of plants including agricultural crops, thereby providing a method for early and in-situ detection of a damage by an insect pest in a plant. More specifically, a hydrazine derivative that selectively recognizes methyl jasmonate, which is a plant hormone released released when a plant is damaged by an insect pest, is used as a sensing receptor to form a hydrazone derivative, and a damage by an insect pest can be detected at an early stage by utilizing the fluorescence emission phenomenon after reaction with methyl jasmonate.

Inventor

Katsumi Maeda

INFORMATION PROCESSING DEVICE, INFORMATION PROCESSING METHOD, AND STORAGE MEDIUM (18023422)

Abstract

An information processing device is configured to include an acquisition unit, a determination unit, an instruction unit, an instruction unit, and output unit. The acquisition unit is configured to acquire measurement target and measurement environment information, and measurement environment information that a measurer can measure with an odor sensor. The determination unit is configured to determine a measurement target that the measurer should be instructed to measure, based on the measurement target and measurement environment information and the measurement environment information that can be measured, the instruction is configured to instruct the measurer to measure the determined measurement target. The output unit configured to output a reward to the measurer after the acquisition means acquires odor data of the determined measurement target.

Inventor

Hiromi Shimizu

MOBILE BODY CONTROL APPARATUS, MOBILE BODY CONTROL METHOD, MOBILE BODY CONTROL SYSTEM, AND NON-TRANSITORY COMPUTER-READABLE STORAGE MEDIUM STORING MOBILE BODY CONTROL PROGRAM (18022827)

Abstract

A conventional mobile body control apparatus includes: a robot control unit configured to control a mobile body based on a first control input value; and a control input calculation unit configured to calculate a second control input value that will be the first control input value of the next control cycle, in which the control input calculation unit calculates a route cost through simulation of at least one predictive control input value predicted to be provided to the robot control unit after the first control input value, the simulation being performed by taking into account a stochastic noise, to thereby calculate the second control input value that results in a smaller route cost.

Inventor

Shinya YASUDA

IMAGE SELECTION APPARATUS, IMAGE SELECTION METHOD, AND NON-TRANSITORY COMPUTER-READABLE MEDIUM (18014408)

Abstract

A search unit () of an image selection apparatus () includes a query acquisition unit () and an image selection unit (). The query acquisition unit () acquires query information indicating a pose of a person. The image selection unit () selects at least one target image from a plurality of images subject to selection by using the query information. Herein, the query information includes relative positions of a plurality of keypoints indicating different portions of a human body from each other. Then, the image selection unit () selects the at least one target image by using a relative position of the keypoint of a person included in the image subject to selection, at least one of a kind of a lacking keypoint and a number of lacking keypoints, and the query information, the lacking keypoint being the keypoint that lacks in the person.

Inventor

Noboru YOSHIDA

SEARCH DEVICE, SEARCH METHOD, AND RECORDING MEDIUM (18033038)

Abstract

In the search device, the image feature calculation means calculates an image feature based on an animal image of an animal. The attribute feature calculation means calculates an attribute feature based on attribute information of the animal. The appearance feature generation means generates an appearance feature based on the image feature and the attribute feature corresponding to the animal. The similarity calculation means calculates similarity between the animal image and a target animal image based on the appearance feature corresponding to the animal image and the appearance feature corresponding to the target animal image.

Inventor

Yuki ARISATO

PREDICTION DEVICE, PREDICTION METHOD, AND RECORDING MEDIUM (18022060)

Abstract

In a prediction device, an acquisition means acquires input data. A prediction means performs prediction based on elements included in the input data using a prediction model and generates a prediction result. A display control means generates a first display screen indicating the prediction result, based on the input data and the prediction result. Here, the first display screen includes a graph showing the prediction result generated for each unit time period over a predetermined time period, and a value of each element of the input data acquired for each unit time period. Also, the first display screen displays the value of each element of the input data in such a manner that an element used for the prediction and an element not used for the prediction are distinguished from each other.

Inventor

Yoshijiro Matsubara

COMBINATORIAL OPTIMIZATION PROBLEM INFORMATION TRANSMISSION DEVICE AND COMBINATORIAL OPTIMIZATION PROBLEM SOLUTION DEVICE (18020526)

Abstract

The difference matrix calculation means  calculates a difference matrix which is a difference between a first matrix representing a combinatorial optimization problem for which a solution was found last time and a second matrix representing the latest combinatorial optimization problem. The difference matrix compression means  compresses the difference matrix. The transmission means  transmits the difference matrix after compression to a combinatorial optimization problem solution device that finds a solution to the combinatorial optimization problem.

Inventor

Motoi SUZUKI

INFORMATION PROCESSING DEVICE, AND INFORMATION PROCESSING METHOD (18161157)

Abstract

An information processing device controlling a target. The information processing device included: a memory; and a processor coupled to the memory. The processor is configured to: measure a distance between the information processing device and the target; based on the distance, perform control to selectively implement: biometric authentication processing of a user of the target with audible range sound, or biometric authentication processing of the user with inaudible range sound; and control the target based on a result of the biometric authentication processing.

Inventor

Shimpei ASAI

INFORMATION PROCESSING SYSTEM, INFORMATION PROCESSING METHOD, AND PROGRAM RECORDING MEDIUM (18023633)

Abstract

An information processing system includes an event analyzer that detects an occurrence of an event on a basis of data measured by a predetermined sensor; a storage that stores a security policy that defines a user attribute allowed to access to each type of the event; and an access controller that controls whether or not an access from a user to data on which the event is occurring is permitted on a basis of the security policy.

Inventor

Takayuki SASAKI

DISPLAY CONTROL DEVICE, DISPLAY CONTROL SYSTEM, DISPLAY CONTROL METHOD, AND RECORDING MEDIUM (18122223)

Abstract

A display control method includes: acquiring information indicating a contact point of an attendant in a train from a management device storing the information indicating the contact point of the attendant in the train; and transmitting information for causing a display device in the train to display a two-dimensional code based on the acquired information.

Inventor

Junya NAKAMURA

LEARNING DEVICE, LEARNING METHOD, AND LEARNING PROGRAM (18023225)

Abstract

A first inverse reinforcement learning execution unit  derives each weight of candidate features, which are plural features as candidates, included in a first objective function by inverse reinforcement learning using the candidate features. A feature selection unit  selects a feature when one feature is selected from the candidate features, from which each weight is derived, in such a manner that a reward represented using the feature is estimated to get the closest to an ideal reward result. A second inverse reinforcement learning execution unit  generates a second objective function by inverse reinforcement learning using the selected feature.

Inventor

Riki ETO

INFORMATION PROCESSING DEVICE, INFORMATION PROCESSING METHOD, AND RECORDING MEDIUM (18019750)

Abstract

An information processing device includes a guide data acquirer that acquires a plurality of guide data items classified into a single target class; and an adversarial sample generator that generates one adversarial sample by using the plurality of guide data items.

Inventor

Kazuya KAKIZAKI

INCONSISTENCY DETECTION DEVICE, INCONSISTENCY DETECTION METHOD, AND COMPUTER-READABLE RECORDING MEDIUM (18012180)

Abstract

The acceptance means  accepts input of a series of observed events including one or more observed events. The deletion means  deletes, in a decision graph for determining a boolean value of the observed event based on a knowledge base in which the observed event is a node and transition relationship of each of the observed events is an edge, the edge indicating a transition to a negation side of the observed event from among the edges connected to the node corresponding to the observed event accepted by the acceptance means . The determination means  determines whether or not a path from a root node to a true-valued leaf node exists in the decision graph after the deletion of the edge by the deletion means . The decision means  decides that the series of observed events is inconsistent with respect to the knowledge base when the determining means  determines that there is no path to the leaf node indicating the true value.

Inventor

Shiho Hirakawa

LEARNING DEVICE, LEARNING METHOD, CONTROL SYSTEM, AND RECORDING MEDIUM (18018480)

Abstract

A learning device uses, on the basis of a second state corresponding to a first action of a control subject in a first state and a second action calculated from the second state using a policy model, uses a plurality of evaluation models that each calculate a second evaluation value, which is an index value of the goodness of the second action in the second state, to respectively calculate the second evaluation values; and updates the evaluation model on the basis of the smallest second evaluation value among the plurality of second evaluation values, and a first evaluation value, which is an index value of the goodness of the first action in the first state.

Inventor

Tatsuya Mori

INFORMATION PROVISION SYSTEM USING IMAGE DATE, INFORMATION PROVISION METHOD USING IMAGE DATE, AND NON-TRANSITORY STORAGE MEDIUM STORING INFORMATION PROVISION PROGRAM USING IMAGE DATE (18018637)

Abstract

The present invention provides an information provision system () including: a determination unit () that determines an object of interest to a customer present in a facility among displayed articles present in the facility, based on attribute information of the customer; an estimation unit () that estimates the displayed article visually recognized by the customer, based on a content of behavior of the customer in the facility; a decision unit () that decides the displayed article of which information is provided to the customer, based on a result of the determination and a result of the estimation; and an output unit () that outputs information of the displayed article decided as an object of information provision.

Inventor

Makoto Takamoto

PICKUP SUPPORT DEVICE, PICKUP SUPPORT METHOD, AND PROGRAM RECORDING MEDIUM (18021659)

Abstract

A pickup support 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: determine whether an object is a pickup target, based on information regarding appearance of the pickup target and information regarding appearance of the object at a position indicated in a pickup request, and output a determination result.

Inventor

Shunsuke Tsuda

OBJECT RECOGNITION DEVICE, OBJECT RECOGNITION METHOD, LEARNING DEVICE, LEARNING METHOD, AND RECORDING MEDIUM (17920468)

Abstract

In an object recognition device, an image acquisition means acquires an image. A recognition means recognizes each of objects included in an image, and generates each recognition result. A graph generation means defines each of the recognized objects on one of a node and an edge and defines each of relationships among the objects on another one of the node and the edge, based on each recognition result. A graph analysis means analysis a graph and generates an analysis result indicating the relationships among the objects.

Inventor

Soma SHIRAISHI

PRODUCT DETECTION DEVICE, PRODUCT DETECTION METHOD, AND RECORDING MEDIUM (18018802)

Abstract

A product detection device is provided with an image acquisition unit, a determination unit, a selection unit, and a detection unit. The image acquisition unit acquires an image of a shelf on which products are displayed. The determination unit determines, from the image, product display information including at least one of a shape of shelf, shapes of the products, and a display condition. The selection unit selects, on the basis of the determined product display information, a model to be used to detect the image. The detection unit uses the selected model to detect the state of the display of the products displayed on the shelf from the image.

Inventor

Rina Tomita

LEARNING MODEL GENERATION DEVICE, LEARNING MODEL GENERATION METHOD, AND RECORDING MEDIUM (18018786)

Abstract

A learning model generation device is provided with: an inventory information acquisition unit for acquiring, from a POS terminal in a store, inventory information including an inventory quantity of products for which a payment is made; an image acquisition unit for acquiring an image of a shelf of the products in the store; and a model generation unit for generating a model to estimate the number of products from the image on the basis of the image and the inventory quantity of the products.

Inventor

Rina Tomita

INFORMATION PROCESSING DEVICE, SYSTEM, INFORMATION PROCESSING METHOD, AND RECORDING MEDIUM (18020860)

Abstract

In an information processing device, a fingerprint acquisition means acquires fingerprints of a subject by using a fingerprint scanning device. An image acquisition means acquires hand images of the subject. A finger determination means determines based on the hand images whether or not the subject is placing index fingers on the fingerprint scanning device. An alert means outputs an alert in a case where the subject does not place the index fingers on the fingerprint scanning device.

Inventor

Fumi IRIE

IMAGING DEVICE AND IMAGING METHOD (18200805)

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

CENTRALIZED MANAGEMENT SYSTEM FOR UNMANNED AERIAL VEHICLE AND CENTRALIZED MANAGEMENT METHOD FOR UNMANNED AERIAL VEHICLE (18197474)

Abstract

A centralized management system for an unmanned aerial vehicle includes a centralized management device and an information communication device. The information communication device is attached to an unmanned aerial vehicle to be monitored, acquires flight status information indicating a flight status of the unmanned aerial vehicle from the unmanned aerial vehicle to transmit the acquired flight status information in a predetermined data format by wireless communication. The centralized management device monitors the unmanned aerial vehicle using flight status information transmitted from the information communication device.

Inventor

Tetsuya Tanabiki

IMAGE PROCESSING APPARATUS, IMAGE PROCESSING METHOD, AND NON-TRANSITORY COMPUTER-READABLE STORAGE MEDIUM (18007969)

Abstract

An image processing apparatus includes at least one memory configured to store instructions, and at least one processor configured to execute the instructions to process an image of a target region, and thereby compute a proximity index being an index relating to a proximity state of a plurality of persons captured in the image, and cause a predetermined apparatus to execute predetermined control, when the proximity index satisfies a criterion.

Inventor

Gaku Nakano

SUBMARINE OPTICAL CABLE SYSTEM (18021352)

Abstract

In order to improve the flexibilities of structures to be added, a submarine optical cable system according to the present invention comprises a first switching device connected to a first land station by means of a first submarine optical cable, a second switching device connected to a second land station by means of a second submarine optical cable, and a third submarine optical cable connected to the first switching device and to the second switching device, wherein the first switching device comprises a first optical fiber core connecting unit and a first optical switch group, and the second switching device comprises a second optical fiber core connecting unit and a second optical switch group.

Inventor

Yoshinari TAKIGAWA

OPTICAL TRANSMISSION LINE DETERMINATION APPARATUS, OPTICAL TRANSMISSION LINE DETERMINATION METHOD, AND NON-TRANSITORY COMPUTER READABLE MEDIUM (18119213)

Abstract

A length calculation unit calculates, based on a transmission time required for an optical signal transmitted from a first optical transmission apparatus to a second optical transmission apparatus through an optical transmission line to be transmitted through the optical transmission line, a length of the optical transmission line. A wavelength dispersion calculation unit calculates a wavelength dispersion per unit length of the optical transmission line based on a wavelength dispersion of the optical signal received by the second optical transmission apparatus and the length of the optical transmission line. A type determination unit determines a type of the optical transmission line based on information indicating a correspondence relationship between a value of the wavelength dispersion per unit length and the type of the optical transmission line and the calculated wavelength dispersion per unit length of the optical transmission line.

Inventor

Morihiko Ota

RADIO WAVE ABNORMALITY DETECTION SYSTEM, RADIO WAVE ABNORMALITY DETECTION METHOD, AND RADIO WAVE ABNORMALITY DETECTION PROGRAM (18181182)

Abstract

A radio wave abnormality detection system, a radio wave abnormality detection method, and a radio wave abnormality detection program that are capable of accurately detecting a radio wave abnormality are provided.

Inventor

Jun SAKAI

NODE EQUIPMENT, WAVELENGTH MONITOR, AND WAVELENGTH MONITORING METHOD (18119200)

Abstract

A first WSS performs demultiplexes a first wavelength-multiplexed optical signal, outputs part of the wavelengths to a first path, and outputs a remaining wavelength to a second path. A first spectrum analyzer observes a spectrum of a first optical signal included in the first wavelength-multiplexed optical signal and a spectrum of a second optical signal output from the first WSS and outputs a first observational result. A second WSS outputs a second wavelength-multiplexed optical signal obtained by multiplexing an optical signal input from a third path to an optical signal of the remaining wavelength input from the second path. A second spectrum analyzer observes a spectrum of a third optical signal included in the optical signal input to the second WSS from the second path and a spectrum of a fourth optical signal output from the second WSS, and outputs a second observational result.

Inventor

Morihiko Ota

AUTHENTICATION SYSTEM, AUTHENTICATION TERMINAL, METHOD FOR CONTROLLING AUTHENTICATION SYSTEM, METHOD FOR CONTROLLING AUTHENTICATION TERMINAL, AND STORAGE MEDIUM (18011350)

Abstract

Provided is an authentication system that realizes personal authentication having greater convenience. The authentication system includes a terminal held by a user, an authentication server, and an authentication terminal. The authentication server stores first biometric information for performing the biometric authentication of the user, and first terminal authentication information for performing terminal authentication by the terminal. The authentication terminal supports biometric authentication and terminal authentication.

Inventor

Tatsuki AKUTSU

MANAGEMENT DEVICE, MANAGEMENT METHOD, AND RECORDING MEDIUM (18020132)

Abstract

The message information items including, as attributes, a sender and multiple destinations, and having been sent in advance to one or more destinations among the multiple destinations after having been received from the sender, are temporarily stored. A correspondence is detected between a message information item sent from the sender to the one or more destinations and a message information item sent to the sender as a cancellation request from one destination among the one or more destinations. In the case in which a correspondence is detected between a message information item sent from the sender to the one or more destinations and the message information item sent to the sender as the cancellation request from the one destination among the one or more destinations, it is determined that the message information item sent from the sender to the one or more destinations is to be deleted.

Inventor

Ryo SHIBASAKI

INFORMATION PROCESSING APPARATUS, INFORMATION PROCESSING METHOD, AND PROGRAM (18119191)

Abstract

A processing load at calling is reduced. An information processing apparatus including: a management unit configured to manage a control parameter related to call quality of a call previously made with a user terminal; and a transmission unit configured to relay packets of call voice and transmit the packets to an edge apparatus when a call is made with the user terminal, the edge apparatus being configured to perform processing based on the control parameter is provided.

Inventor

Satoshi Hiratsuka

IMAGE PROCESSING SYSTEM, COMMUNICATION APPARATUS, AND IMAGE PROCESSING METHOD (18021931)

Abstract

The image processing apparatus performs image processing on videos. A communication apparatus communicates with the image processing apparatus. A camera is mounted on a moving body. In the communication apparatus, an operation status determination unit determines that a moving body is in a predetermined operation status. A video transmission unit transmits videos of the camera mounted on the moving body to the image processing apparatus when the moving body is determined by the operation status determination unit to be in the predetermined operation status.

Inventor

Yuichi YANAGIHARA

RECORDING MODE CHANGING DEVICE, NETWORK CAMERA, RECORDING MODE CHANGING METHOD, AND PROGRAM RECORDING MEDIUM (18017573)

Abstract

This recording mode changing device is provided with: a means for determining, according to the lighting status of the lamps of a prescribed traffic signal, whether or not it is necessary to change the data recording mode of a prescribed camera; and a means for changing the data recording mode of the prescribed camera in accordance with the determination result.

Inventor

Kazuki OGATA

INFORMATION PROVIDING APPARATUS, INFORMATION PROVIDING SYSTEM, INFORMATION PROVIDING METHOD, AND NON-TRANSITORY COMPUTER-READABLE MEDIUM (18022923)

Abstract

A registration unit registers pieces of identification information of user terminals possessed by users, respectively, as a group. A position information acquisition unit acquires pieces of position information of the plurality of user terminals registered as the group. A reaching detection unit detects, from position information of a first user terminal possessed by one user, that the one user among the plurality of users registered as the group has reached a position where content information is provided. When the reaching is detected, a distance calculation unit calculates a distance between the first user terminal and another user terminal. In a case where the reaching is detected, a provision control unit provides the content information to the first user terminal, and controls provision of the content information to another user terminal possessed by another user of the group based on the calculated distance.

Inventor

Yuki Hashimoto

COMMUNICATION SYSTEM (17626580)

Abstract

A communication system is disclosed in which data is transmitted using unlicensed spectrum by employing a channel access procedure based on a channel access priority class (CAPC). In order to apply the appropriate CAPC for each transmission in accordance with the actual data flow(s) being multiplexed into the transmission, the CAPC information of each data packet is carried together with the packet down through the user plane protocol.

Inventor

Yuhua CHEN

SYSTEM, METHOD, AND NON-TRANSITORY COMPUTER READABLE STORAGE MEDIUM (18020125)

Abstract

The present disclosure can provide a system, method and non-transitory computer readable storage medium capable of generating a uniform airflow at a heat exchanger surface. A system includes: a cooling unit body () having an airflow inlet () and an airflow outlet (); a heat exchanger () provided inside the cooling unit body; and a plurality of fans () provided at the airflow inlet. The system may include air velocity sensors () provided at the heat exchanger ().

Inventor

Nirmal Singh RAJPUT

QUANTUM DEVICE (18123038)

Abstract

A quantum device includes a chip including a superconducting circuit, a first wiring substrate, a second wiring substrate, first connection portions connecting the chip and a wiring layer on a first surface of the first wiring substrate and second connection portions connecting the second wiring substrate and a wiring layer on a second surface of the first wiring substrate, wherein one or more second connection portions arranged in a first row as viewed from the edge of the first substrate are provided at positions corresponding respectively to one or more of the first connection portions arranged in a first row as viewed from the edge and are arranged closer to the edge than the first connection portions arranged in the first row.

Inventor

Katsumi KIKUCHI