NEC Corporation patent applications on April 11th, 2024
Patent Applications by NEC Corporation on April 11th, 2024
NEC Corporation: 53 patent applications
NEC Corporation has applied for patents in the areas of A61B5/11 (7), A61B5/00 (7), A61B5/6807 (5), A61B5/112 (4), G06N20/00 (4)
With keywords such as: unit, information, data, device, target, optical, image, apparatus, time, and person in patent application abstracts.
Patent Applications by NEC Corporation
Inventor(s): Chenhui HUANG of Tokyo (JP) for nec corporation, Kenichiro FUKUSHI of Tokyo (JP) for nec corporation
IPC Code(s): A61B5/11, A61B5/00
Abstract: an anomaly detection device that includes an extraction unit that acquires sensor data from a sensor installed in footwear and extract a gait feature amount characteristic in gait of a pedestrian wearing the footwear by using the sensor data, and a detection unit that detects an anomaly in a foot of the pedestrian walking wearing the footwear based on the gait feature amount extracted by the extraction unit.
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
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(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
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(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
Abstract: in order to detect a detailed walking event in both legs on the basis of a physical quantity that relates to leg motion measured by a sensor mounted on one leg, there is provided a detection device including: an extraction unit for generating time-series data that accompany walking, using sensor data based on a physical quantity that relates to leg motion measured by a sensor installed on one leg part of a walking person, and extracting a walking waveform from the generated time-series data; and a detection unit for detecting a walking event in both legs of the walking person from the walking waveform extracted by the extraction unit.
Inventor(s): Keiju NAKAMURA of Tokyo (JP) for nec corporation, Hiroaki KISO of Tokyo (JP) for nec corporation
IPC Code(s): A61B5/16, A61B5/00, G06V40/16, G16H20/10
Abstract: a communication apparatus includes a processing unit, a judgement unit, and a communication unit. the processing unit generates state information indicating a state of a target person by processing an image in which the target person is captured. the judgement unit performs, by using the state information, at least one of processing of determining first information needed to be transmitted to a first terminal and processing of deciding whether to transmit the first information to the first terminal. the first terminal is associated with the target person, and is operated by a different person from the target person. the communication unit transmits the first information to the first terminal. the communication apparatus can also support decision-making on how to respond to the target person.
Inventor(s): Chenhui HUANG of Tokyo (JP) for nec corporation, Zhenwei WANG of Tokyo (JP) for nec corporation, Kenichiro FUKUSHI of Tokyo (JP) for nec corporation
IPC Code(s): A61B5/00, A61B5/107, A61B5/11
Abstract: provided is a measurement device comprising: a detection unit which detects a walking event from time series data of sensor data pertaining to the movements of feet in order to measure lower limbs on the basis of the sensor data acquired by a single sensor; and a measurement unit which measures the lower limbs by using the sensor data for a prescribed period starting from a walking event timing on the basis of a geometric model to which a constraint condition pertaining to the movements of the lower limbs is given.
Inventor(s): Takashi YAMANE of Tokyo (JP) for nec corporation
IPC Code(s): B60W50/02, G06V20/59, G07C5/00
Abstract: an acquisition unit () acquires sensor information and crew member identification information from a crew member terminal (). a detection unit () detects an improvement-requiring item by processing the sensor information. the improvement-requiring item is an item that needs to be improved by the crew member. a selection unit () selects a transmission destination of caution information by using information on the improvement-requiring item. for example, the selection unit () selects the transmission destination, for example, by using a type of the detected improvement-requiring item. a transmission unit () transmits the caution information to the transmission destination selected by the selection unit (). the caution information is information indicating that the improvement-requiring item is detected.
Inventor(s): Nana Jumonji of Tokyo (JP) for nec corporation, Yosuke Kimura of Tokyo (JP) for nec corporation, Chisato Sugawara of Tokyo (JP) for nec corporation, Toru Takami of Tokyo (JP) for nec corporation, Hiroshi Nakasato of Tokyo (JP) for nec corporation
IPC Code(s): E01C23/01, G01C21/34
Abstract: an infrastructure diagnostic 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: generate a road section by dividing, by meshes, a movement path of a moving body collected from the moving body moving on a road, the meshes being obtained by dividing a ground surface into a predetermined size; and determine and output a state of the road section based on sensor information of the road section collected from the moving body.
Inventor(s): Tatsuya Yoshimoto of Tokyo (JP) for nec corporation, Hiroshi Yoshida of Tokyo (JP) for nec corporation, Masafumi Nomura of Tokyo (JP) for nec corporation
IPC Code(s): E02F3/43, E02F9/24
Abstract: a posture recovery apparatus capable of automatically recovering a posture of a work machine is realized. the setting unit () sets a safe posture range based on a posture of the work machine before operation. the acquisition unit () acquires posture information on the work machine in operation. in a case where, by reference to the posture information, it has been detected that the posture of the work machine in operation has deviated from the safe posture range for a first period, the recovery unit () causes the work machine to carry out a recovery operation.
Inventor(s): Shingo Kuboki of Tokyo (JP) for nec corporation
IPC Code(s): G01C13/00
Abstract: the purpose of the present disclosure is to provide a flooding prediction device, etc. that make it possible to accurately predict the occurrence of flooding of a river. a flooding prediction device comprises: at least one processor configured to acquire measurement data indicating the result of measurement based on irradiation laser light emitted and radiated onto a measurement target region including the water surface part of a river, and reflection laser light reflected by the region and received by the coherent light sensing device, generate three-dimensional point group model of the measurement target region by using the measurement data, generate, by using the measurement data and the three-dimensional point group model, water surface state information indicating the state of the water surface part in the measurement target region, and predict the occurrence of flooding of the river by using the water surface state information.
Inventor(s): Tadayuki IWANO of Tokyo (JP) for nec corporation, Yoshiaki AONO of Tokyo (JP) for nec corporation
IPC Code(s): G01D5/353, G01H9/00, G01V8/24
Abstract: provided are a spatial sensing device, and the like, that are suitable for spatial sensing. this spatial sensing device () comprises a sensing data acquisition means () for acquiring sensing data through optical fiber sensing using a plurality of optical fiber cables () laid in different directions and an object detection means () for using the sensing data to detect the position of an object in a space of interest.
Inventor(s): Tadayuki Iwano of Tokyo (JP) for nec corporation, Yoshiaki Aono of Tokyo (JP) for nec corporation
IPC Code(s): G01D21/02, G01D3/00, G01D15/14
Abstract: provided are a data processing device, etc. that makes it possible to measure an object between adjacent positions where measurement instruments are installed. a data processing device comprises: at least one memory configured to store instructions; and at least one processor configured to execute the instructions to acquire, from each measurement instrument installed at different measurement positions, measurement data indicating results of measuring an object, to acquire sensing data from an optical fiber cable laid so as to pass through each of the different measurement positions, and to use the sensing data to interpolate measurement data.
Inventor(s): Sakiko MISHIMA of Tokyo (JP) for nec corporation, Wataru Kohno of Tokyo (JP) for nec corporation, Takashi Matsushita of Tokyo (JP) for nec corporation, Tomoyuki Hino of Tokyo (JP) for nec corporation
IPC Code(s): G01H9/00
Abstract: a signal processing apparatus according to the present disclosure includes: at least one memory configured to store instructions; and at least one processor configured to execute the instructions to: acquire signals measured by a signal measurement apparatus at a plurality of points located along an optical fiber; and determine whether there is an event based on a degree of similarity between the signals measured at points adjacent points.
Inventor(s): Isao TOMITA of Tokyo (JP) for nec corporation
IPC Code(s): G02B6/42, H01S5/02251, H01S5/0239, H01S5/50, H04B10/40, H04B10/61
Abstract: a pluggable optical connector is configured to be insertable into and removable from an optical communication apparatus, and to be capable of communicating a modulation signal and a data signal with the optical communication apparatus. a wavelength-tunable light source is configured to output an output light and a local oscillation light. an optical transmission unit is configured to output an optical signal generated by modulating the output light in response to the modulation signal. an optical reception unit is configured to demodulate an optical signal received by using the local oscillation light to the data signal. pluggable optical receptors are configured in such a manner that an optical fiber is insertable into and removable from the pluggable optical receptors, and configured to be capable of outputting the optical signal to the optical fiber and transferring the optical signal received thorough the optical fiber to the optical reception unit.
Inventor(s): Takuya NOMURA of Tokyo (JP) for nec corporation, Takuya HISAMOTO of Tokyo (JP) for nec corporation, Kenichi KIJIMA of Tokyo (JP) for nec corporation
IPC Code(s): G05D1/222
Abstract: an information processing apparatus includes at least one memory storing instructions, and at least one processor. the at least one processor is configured to execute instructions to receive request information including qualification information regarding an operation qualification for operating a mobile body and plan information regarding an operation plan for operating the mobile body, acquire attribute information of the qualification information, determine whether or not to accept a request associated with the request information based on the attribute information, and output a result of the determination regarding the request as a response to the request.
Inventor(s): Takayuki SUZUKI of Tokyo (JP) for nec corporation
IPC Code(s): G05D1/243, G06T7/70, G06T15/00
Abstract: the information processing apparatus includes an extraction unit configured to extract at least one first photographed image, the first photographed image being similar to a second photographed image which is photographed by using a second photographing apparatus mounted on a moving apparatus, the moving apparatus being moving in a predetermined region, from a plurality of first photographed images which are photographed by using a first photographing apparatus for creating a three-dimensional image of the predetermined region, an estimation unit configured to estimate a first photographing orientation of the first photographing apparatus, the first photographing apparatus photographing the first photographed image which is extracted, and a second photographing orientation of the second photographing apparatus at a time when the second photographed image is photographed, and a control unit configured to control an action of the moving apparatus based on the first photographing orientation and the second photographing orientation.
Inventor(s): Sho RYO of Kanagawa (JP) for nec corporation
IPC Code(s): G06F3/0481, G06F1/16, G06F1/3215, G06F1/3218, G06F1/3228, G06F1/3231, G06F1/3234, G06F3/04842, H04M1/72463, H04W52/02
Abstract: a portable communication device () is capable of setting a sleep mode as an operation mode. an operation receiver () receives operations given by a user. a setter () sets the operation mode to the sleep mode when the operation receiver () receives no operation for a first time period. a displayer () displays an indicator on a display when the operation receiver () receives a first operation in the sleep made. a launcher () launches, when the operation receiver () receives operations for specifying the indicator, an application program associated with the specified indicator.
20240119079.CLASSIFICATION SYSTEM, METHOD, AND PROGRAM_simplified_abstract_(nec corporation)
Inventor(s): Taro YANO of Tokyo (JP) for nec corporation, Kunihiro TAKEOKA of Tokyo (JP) for nec corporation, Masafumi OYAMADA of Tokyo (JP) for nec corporation
IPC Code(s): G06F16/35, G06F16/383
Abstract: the input means accepts inputs of test data, a hierarchical structure in which a node of bottom layer represents a target class, and a classification score of a seen class as the classification score indicating a probability that the test data is classified into each class. the unseen class score calculation means calculates the classification score of an unseen class based on uniformity of the classification score of each seen class. the matching score calculation means calculates a matching score indicating similarity between the test data and each class label. the final classification score calculation means calculates a final classification score indicating a probability that the test data is classified into the class so that the larger the classification score of each class, and the matching score, the larger the final classification score.
Inventor(s): Noboru YOSHIDA of Tokyo (JP) for nec corporation
IPC Code(s): G06F16/583, G06T7/20, G06V10/44
Abstract: the present invention provides an image processing apparatus () including: a query acquisition unit () that acquires a plurality of first frame images in time series; a skeletal structure detection unit () that detects a keypoint of an object included in each of a plurality of the first frame images; a feature value computation unit () that computes a feature value of the detected keypoint for each of the first frame images; a change computation unit () that computes a direction of change in the feature value along a time axis of a plurality of the first frame images in time series; and a search unit () that searches for a moving image by using the computed direction of change in the feature value as a key.
Inventor(s): Banri ODA of Tokyo (JP) for nec corporation, Kenichi Yasuda of Tokyo (JP) for nec corporation, Yutong Zhang of Tokyo (JP) for nec corporation
IPC Code(s): G06F16/906, G06F16/904
Abstract: this data classification device comprises an acquisition unit, a data classification unit, an output unit, and an input unit. the acquisition unit acquires data to be classified as input data. the data classification unit uses a classification model to estimate the classification of the input data. the output unit outputs display data displaying: an image divided into a plurality of groups based on a group division standard based on the confidence level when the classification model estimates the classification of the input data; and an image for changing the group division standard. the input unit acquires the data for changing the group division standard as an input result. moreover, the output unit outputs display data in which the classified data is divided into the plurality of groups based on the group division standard indicated by the input result.
Inventor(s): Tomoyuki Nishiyama of Tokyo (JP) for nec corporation
IPC Code(s): G06F17/11, G06F17/18
Abstract: an evaluation apparatus includes a combination acquisition unit and an evaluation unit. the combination acquisition unit acquires combination determination information from an indicator selection apparatus. the combination determination information determines a combination of a category variable being one of a plurality of indicators related to an evaluation target and at least one support variable each being the indicator different from the category variable. further, a plurality of groups are determined based on a value of the category variable. then, a statistic of the support variable is generated for each of the plurality of groups. the evaluation unit generates, for each of the support variables, evaluation information, for example, an evaluation value by using a value of the support variable of the evaluation target and the statistic of the support variable of the group to which the value of the category variable of the evaluation target belongs.
Inventor(s): Keiju NAKAMURA of Tokyo (JP) for nec corporation, Hiroaki KISO of Tokyo (JP) for nec corporation
IPC Code(s): G06F21/32, G06F21/62, G06Q30/0601
Abstract: a communication apparatus includes an authentication unit and a communication unit. the authentication unit authenticates a target person. the communication unit transmits and receives information to and from a first terminal associated with the target person when the authentication has succeeded. in other words, the communication apparatus performs bidirectional communication with the first terminal. the first terminal is operated by, for example, a different person from the target person. at least a part of information transmitted by the communication unit to the first terminal is related to the target person. further, at least a part of information received by the communication unit from the first terminal includes information from a person who operates the first terminal to the target person.
Inventor(s): Yusuke SATO of Tokyo (JP) for nec corporation, Yasumasa MITSUHATA of Tokyo (JP) for nec corporation, Masashi INOUE of Tokyo (JP) for nec corporation, Yurika MICHISHITA of Tokyo (JP) for nec corporation
IPC Code(s): G06F21/62
Abstract: an information transaction device is connected to an information holding device including a storage unit storing personal information and includes a sharing approval reception unit configured to receive approval of sharing of the personal information by an information sharing destination device from a user associated with the personal information, a provision approval reception unit configured to receive approval of provision which is transmission of the personal information to an information provision destination device, from the user associated with the personal information, a sharing instruction unit configured to, in a case where the sharing approval reception unit receives the approval of the sharing, instruct the information holding device to perform the sharing, and a provision instruction unit configured to, in a case where the provision approval reception unit receives the approval of the provision, instruct the information holding device to perform the provision.
Inventor(s): Daichi HASUMI of Tokyo (JP) for nec corporation, Shigeyoshi Shima of Tokyo (JP) for nec corporation
IPC Code(s): G06N3/044, G06N3/08
Abstract: a training data generating system includes an existing tag information acquiring unit, a target tag information acquiring unit, a selecting unit, and a training data generating unit. the existing tag information acquiring unit identifies, as an existing application, an application for which training data for a user operation model has already been generated based on a user operation history and, for each existing application, acquires tag information indicating a feature of the application as existing tag information. the target tag information acquiring unit acquires tag information of a target application as target tag information. the selecting unit calculates a degree of similarity between the target tag information and each piece of the existing tag information and, based on the degree of similarity, selects a similar application from the existing applications. the training data generating unit generates training data for the target application from training data for the similar application.
Inventor(s): Akira TANIMOTO of Tokyo (JP) for nec corporation, Tomoya SAKAI of Tokyo (JP) for nec corporation, Takashi TAKENOUCHI of Saitama (JP) for nec corporation, Hisashi KASHIMA of Kyoto (JP) for nec corporation
IPC Code(s): G06N3/09
Abstract: a learning device calculates an estimation target item reference value according to a fixed value of each estimation target object. the learning device acquires learning data that includes the fixed value of each estimation target object, a variable item value, and an estimation target item value according to the fixed value and the variable item value. the learning device trains, using the learning data and an evaluation function, a model that outputs an estimated value of the estimation target item value in response to input of the fixed value of each estimation target object and the variable item value.
Inventor(s): Anil GOYAL of Dossenheim (DE) for nec corporation, Ammar Shaker of Heidelberg (DE) for nec corporation, Francesco Alesiani of Heidelberg (DE) for nec corporation
IPC Code(s): G06N5/04, G06N20/00
Abstract: a method for lifelong machine learning using boosting includes receiving a new task and a learning sample for the new task. a distribution of weights is learned over the learning sample using previously learned classifiers from old tasks. a set of task-specific classifiers are learned for the new task using a boosting algorithm and the distribution of weights over the learning sample, whereby the distribution of weights over the learning sample is updated using the task-specific classifiers for the new task.
Inventor(s): Keita SAKUMA of Tokyo (JP) for nec corporation, Tomoya SAKAI of Tokyo (JP) for nec corporation, Yoshio KAMEDA of Tokyo (JP) for nec corporation, Hiroshi TAMANO of Tokyo (JP) for nec corporation
IPC Code(s): G06N20/00
Abstract: provided are an analysis device, an analysis method, and a program capable of easily identifying a factor of a prediction error in prediction using a prediction model on the basis of various viewpoints. an analysis device () includes: a metric evaluation unit () that calculates and evaluates a plurality of types of metrics with respect to a prediction model, data of explanatory variables used in the prediction model, or data of target variables used in the prediction model; and a factor identification unit () that identifies a factor of an error in prediction by the prediction model according to a combination of evaluation results of the plurality of types of metrics.
20240119375.VISIT SCHEDULE CREATION METHOD_simplified_abstract_(nec corporation)
Inventor(s): Kosuke NISHIHARA of Tokyo (JP) for nec corporation
IPC Code(s): G06Q10/0631
Abstract: a visit schedule creation device of the present invention includes an assignment unit that, on the basis of location information of a visitor and a visited person, creates a visit schedule in which the visited person, to be visited by the visitor, is assigned to the visitor; a calculation unit that calculates priority representing a level of priority of the visited person assigned to the visitor, on the basis of the location information; and a reassignment unit that creates the visit schedule in which assignment of the visited person to the visitor is changed, on the basis of the priority.
Inventor(s): Jun Uchimura of Tokyo (JP) for nec corporation, Yasuyo Kazo of Tokyo (JP) for nec corporation
IPC Code(s): G06Q10/087
Abstract: an information processing apparatus includes: an information acquisition unit that acquires recipient identification information that identifies a recipient of an article stored in a warehouse and attribute information indicating an attribute that needs to be satisfied during storage of the article; an association unit that stores, in a storage region, storage space identification information that identifies a target storage space selected based on the attribute information, and article determination information that determines the article in association with each other; an article determination information transmission unit that transmits the article determination information to a terminal determined by using the recipient identification information, in response to the article being disposed in the target storage space; and an article ejection unit that ejects, from a predetermined outlet, the article stored in the target storage space in response to an input of the article determination information.
Inventor(s): Noritaka YAMASHITA of Tokyo (JP) for nec corporation
IPC Code(s): G06Q30/0201, G07C5/00
Abstract: the feature extraction means extracts a feature of data from at least one data of market data and test data. the data selection means selects one or more other data containing a feature corresponding to the extracted feature of the one data. the complementary data calculating means calculates complementary data that complements the market data or the test data from the one data and the selected other data. the integrated data generation means generates integrated data that integrates the calculated complementary data with at least one or both of the market data and the test data.
Inventor(s): Toshihiko Fujii of Tokyo (JP) for nec corporation
IPC Code(s): G06Q40/04, G06Q40/06
Abstract: an information providing server according to the present invention outputs a screen on which referenced customer buy/sell pattern time-series data (-) indicating, in a time-series manner, a buy/sell pattern, computed for each stock, of a plurality of referenced customers satisfying a reference standard, based on past investment product transaction data of the plurality of referenced customers, and a price chart (-) indicating a time-series change in price of an investment product are displayed side by side.
Inventor(s): Kenta ISHIHARA of Tokyo (JP) for nec corporation
IPC Code(s): G06T7/70, A61B5/00, A61B5/11, G06T7/50, G06V10/762, G06V40/10
Abstract: a posture estimation apparatus includes: a position calculation unit that calculates, for each joint of each of persons detected from image data, a provisional reference position of the person, based on a position of the joint and a displacement from the joint to a site serving as a reference for the person; and a posture estimation unit that determines a person to which the joint belongs based on the provisional reference position calculated for each joint detected.
Inventor(s): Hiroo Ikeda of Tokyo (JP) for nec corporation
IPC Code(s): G06V10/776, G06T7/73, G06V10/764, G06V10/774, G06V10/82, G06V20/70, G06V40/10
Abstract: the present invention provides a learning apparatus () including an acquisition unit () that acquires learning data associating a training image including a person with a correct answer label indicating a position of each person, a correct answer label indicating whether each of a plurality of keypoints of a body of each of the persons is visible in the training image, and a correct answer label indicating a position, within the training image, of the keypoint being visible in the training image among a plurality of the keypoints, and a learning unit () that learns, based on the learning data, an estimation model that estimates information indicating a position of each person, information indicating whether each of a plurality of the keypoints of each person included in a processing image is visible in the processing image, and information being related to a position of each of keypoints for computing a position, within the processing image, of the keypoint being visible in the processing image.
Inventor(s): Ikuma TAKAHASHI of Tokyo (JP) for nec corporation, Tatsu KIMURA of Tokyo (JP) for nec corporation, Kimiyasu TAKOH of Tokyo (JP) for nec corporation, Kenichi KAMIJO of Tokyo (JP) for nec corporation, Hiroyasu SAIGA of Tokyo (JP) for nec corporation, Shota OHTSUKA of Tokyo (JP) for nec corporation, Motoyasu OKUTSU of Tokyo (JP) for nec corporation
IPC Code(s): G06V10/98, A61B1/00, G06T7/00, G06T11/20
Abstract: an information processing device includes: a first acquisition unit configured to acquire a capturing time of a lesion image instructed to be saved by a user, from a series of images captured by an endoscope during examination with the endoscope; a second acquisition unit configured to acquire a capturing time of a lesion image detected by detection processing for the series of images captured by the endoscope during the examination; and a display control unit configured to cause a display device to display a first capturing time and a second capturing time which are plotted on a time axis, the first capturing time being the capturing time acquired by the first acquisition unit, the second capturing time being the capturing time acquired by the second acquisition unit.
Inventor(s): Ikuma TAKAHASHI of Tokyo (JP) for nec corporation, Tatsu KIMURA of Tokyo (JP) for nec corporation, Kimiyasu TAKOH of Tokyo (JP) for nec corporation, Kenichi KAMIJO of Tokyo (JP) for nec corporation, Hiroyasu SAIGA of Tokyo (JP) for nec corporation, Shota OHTSUKA of Tokyo (JP) for nec corporation, Motoyasu OKUTSU of Tokyo (JP) for nec corporation
IPC Code(s): G06V10/98, A61B1/00, G06T7/00, G06T11/20
Abstract: an information processing device includes: a first acquisition unit configured to acquire a capturing time of a lesion image instructed to be saved by a user, from a series of images captured by an endoscope during examination with the endoscope; a second acquisition unit configured to acquire a capturing time of a lesion image detected by detection processing for the series of images captured by the endoscope during the examination; and a display control unit configured to cause a display device to display a first capturing time and a second capturing time which are plotted on a time axis, the first capturing time being the capturing time acquired by the first acquisition unit, the second capturing time being the capturing time acquired by the second acquisition unit.
Inventor(s): Ikuma Takahashi of Tokyo (JP) for nec corporation, Tatsu Kimura of Tokyo (JP) for nec corporation, Kimiyasu Takoh of Tokyo (JP) for nec corporation, Kenichi Kamijo of Tokyo (JP) for nec corporation, Hiroyasu Saiga of Tokyo (JP) for nec corporation, Shota Ohtsuka of Tokyo (JP) for nec corporation, Motoyasu Okutsu of Tokyo (JP) for nec corporation
IPC Code(s): G06V10/98, A61B1/00, G06T7/00, G06T11/20
Abstract: an information processing device includes: a first acquisition unit configured to acquire a capturing time of a lesion image instructed to be saved by a user, from a series of images captured by an endoscope during examination with the endoscope; a second acquisition unit configured to acquire a capturing time of a lesion image detected by detection processing for the series of images captured by the endoscope during the examination; and a display control unit configured to cause a display device to display a first capturing time and a second capturing time which are plotted on a time axis, the first capturing time being the capturing time acquired by the first acquisition unit, the second capturing time being the capturing time acquired by the second acquisition unit.
Inventor(s): Keiju NAKAMURA of Tokyo (JP) for nec corporation, Hiroaki Kiso of Tokyo (JP) for nec corporation
IPC Code(s): G06V40/16, G06V10/70
Abstract: an image acquisition apparatus includes an output control unit and an image acquisition unit. the output control unit causes an output unit to output a content. the image acquisition unit acquires an image generated by an image capture unit, the image includes a person and is an image for authentication. the image capture unit is located in a position where a face of the person can be captured when the person faces to the output unit. further, the output control unit continues to cause the output unit to output the content until a first condition being set in order to make the authentication succeed is satisfied.
Inventor(s): Keiju Nakamura of Tokyo (JP) for nec corporation, Hiroaki Kiso of Tokyo (JP) for nec corporation
IPC Code(s): G06V40/16, G06V10/70
Abstract: an image acquisition apparatus includes an output control unit and an image acquisition unit. the output control unit causes an output unit to output a content. the image acquisition unit acquires an image generated by an image capture unit, the image includes a person and is an image for authentication. the image capture unit is located in a position where a face of the person can be captured when the person faces to the output unit. further, the output control unit continues to cause the output unit to output the content until a first condition being set in order to make the authentication succeed is satisfied.
Inventor(s): Katsuhiro Yutani of Tokyo (JP) for nec corporation
IPC Code(s): G08G5/00
Abstract: the purpose of the present invention is to provide an air current observation device by which it is possible to secure, with greater ease, a power source resource and a communication resource. an air current observation device () comprises: an air current detection means () by which an optical sensing device () installed on a tower-like structure () emits a laser beam to an aerial area surrounding the tower-like structure (), and that, when the optical sensing device () receives reflected light from the laser beam, generates air current information pertaining to an air current in the aerial area on the basis of the laser beam and the reflected light; and an air current map generation means () that generates an air current map indicating the distribution of air current in the aerial area using the air current information.
Inventor(s): Yuji Ohno of Tokyo (JP) for nec corporation
IPC Code(s): G16H10/60, G06V40/20, G16H20/10, G16H20/60, G16H50/30
Abstract: this learning device comprises: an acquisition unit for acquiring biometric information of a patient and medical chart information of the patient; a selection unit for selecting, on the basis of the medical chart information, the biometric information of the patient that allows the determination of whether the patient is in agitation; and a model generation unit for generating an agitation determination model for determining whether a subject patient is in agitation, by using the selected biometric information and on the basis of the biometric information of the subject patient.
Inventor(s): Yuki KOSAKA of Tokyo (JP) for nec corporation, Shinto EGUCHI of Tokyo (JP) for nec corporation
IPC Code(s): G16H50/20
Abstract: a machine learning model generation apparatus includes: a movement unit that performs movement processing of moving a sample, having an output error of a (t+1)-th order machine learning model with respect to observation data at time t+1 being larger than a predetermined amount, from the target sample group to a source sample group; and a generation unit that generates a plurality of weak learners by using at least observation data of a sample included in the target sample group after the movement processing and a sample included in the source sample group after the movement processing, and generates a t-th order machine learning model, based on at least each of the plurality of weak learners, and a classification error being evaluated, for each of the plurality of weak learners, by using observation data at time t of the sample included in the target sample group after the movement processing.
20240120634.ANTENNA APPARATUS AND RADOME_simplified_abstract_(nec corporation)
Inventor(s): Takuji Mochizuki of Tokyo (JP) for nec corporation, Yoshihide Takahashi of Tokyo (JP) for nec corporation
IPC Code(s): H01Q1/02, H01Q1/42
Abstract: to provide an antenna apparatus and a radome that are capable of suppressing an increase in size of the antenna apparatus, an antenna apparatus () includes a substrate () in which a plurality of antenna elements () are disposed on a first surface, and a radome () having thermal conductivity, which covers the substrate () and forms a plurality of slots () at positions facing each of the plurality of antenna elements (). the radome () includes a heat radiation fin () protruding to an opposite side to the first surface side, and a wall portion () being provided between an antenna element () and an antenna element () being adjacent to the antenna element (), and being capable of transferring heat of a heat generating component () connected to the substrate () to the heat radiation fin ().
Inventor(s): Hitoshi TAKESHITA of Tokyo (JP) for nec corporation
IPC Code(s): H01S3/094, H01S3/067, H01S3/23
Abstract: because a light amplification device using a multicore optical fiber provides low utilization efficiency of excitation light according to a cladding excitation system, the present disclosure provides a light amplification device including: a first optical waveguide including a first light amplification medium; a second optical waveguide including a second light amplification medium; a first excitation light introducing circuit for introducing first excitation light for exciting the first light amplification medium into the first optical waveguide; and a first residual excitation light introducing circuit for introducing first residual excitation light which is output from the first optical waveguide and has a wavelength component of the first excitation light, into the second optical waveguide.
Inventor(s): Norifumi KAMIYA of Tokyo (JP) for nec corporation, Eisaku Sasaki of Tokyo (JP) for nec corporation
IPC Code(s): H04B7/01, H04B7/0456
Abstract: a wireless communication system includes: a transmission apparatus that transmits a wireless signal including a plurality of wireless transmission signals, by using a plurality of transmitting antenna elements; and a reception apparatus that receives the wireless signal, as a plurality of wireless reception signals, by using a plurality of receiving antenna elements. the reception apparatus generates a plurality of separated reception signals by performing a signal separation process on the plurality of wireless reception signals, generates correlation information about the separated reception signals, and generates phase control information on the basis of the correlation information. the transmission apparatus generates the plurality of synthesized transmission signals by performing the signal synthesis process on the plurality of transmission signals, and adjusts the phase of each of the synthesized transmission signals, by a phase shift amount calculated on the basis of the phase control information.
Inventor(s): Kohei Nakamura of Tokyo (JP) for nec corporation
IPC Code(s): H04B10/073, H04B10/077
Abstract: a connection state identification system includes an identification information addition means and an identification information acquisition means. when an inspection optical signal, which is an optical signal for inspection transmitted by a first optical communication device to a second optical communication device, is received by the second optical communication device over inter-optical communication device optical paths, which are the optical paths included in the undersea optical cable system between the optical communication devices, the identification information addition means adds, to an unassigned frequency band of the inspection optical signal, the unassigned frequency band being a frequency band other than a frequency band assigned to optical communication, identification information differing for each inter-optical communication device optical path through which the inspection optical signal passes. the identification information acquisition means outputs the identification information in the inspection optical signal received by the second optical communication device.
Inventor(s): Hiroaki Tanaka of Tokyo (JP) for nec corporation
IPC Code(s): H04B10/27
Abstract: in order to provide a technology for realizing a communication device capable of providing various functions without increasing the types of hardware, this communication device used for a submarine cable system includes a plurality of functions blocks; the function bocks each include interfaces to which an optical signal can be connected; one of the function blocks can be optically connected with a land communication network through the interfaces; the other function blocks can be optically connected with a submarine cable through the interfaces; the function blocks optically connected through the interfaces carry out, on optical signals, processes based on the functions of the function blocks.
Inventor(s): Masaki SATO of Tokyo (JP) for nec corporation
IPC Code(s): H04B10/61
Abstract: a distortion compensation filter whose filter coefficient is adaptively controlled compensates for a distortion included in a reception signal obtained by performing coherent reception of a signal transmitted from a transmitter in a receiver. a group delay ripple calculation device calculates a group delay included in the reception signal based on a filter coefficient of a distortion compensation filter and calculates group delay ripple from the calculated group delay. the feedback calculation unit calculates a phase response based on the calculated group delay ripple. the feedback calculation unit feeds the calculated phase response back to one or more filters having a phase compensation function disposed in a stage before an adaptive equalization filter included in the receiver, and causes one or more filters to at least partially compensate for the group delay ripple.
Inventor(s): Sanami NAKAGAWA of Tokyo (JP) for nec corporation, Toshiyuki ISSHIKI of Tokyo (JP) for nec corporation, Hiroto TAMIYA of Tokyo (JP) for nec corporation
IPC Code(s): H04L9/00, G09C1/06
Abstract: a similarity calculation system calculating a distance between a first vector stored in a similarity calculation apparatus and a second vector entered from an input terminal wherein the similarity calculation apparatus transmits to the input terminal a ciphertext of each element of the first vector and a weighted distance table with respect to combinations of possible values of the elements of the first vector and the second vector, and the input terminal refers to the weighted distance table to calculate a ciphertext of element distances for all combinations of the value of a single element of the second vector and possible values of elements of the first vector, calculates the ciphertexts of the sum of the element distances for each element of the second vector using additive homomorphic encryption, and transmits the ciphertext of the sum to the similarity calculation apparatus.
Inventor(s): Yoshihiko Hoshino of Tokyo (JP) for nec corporation
IPC Code(s): H04L47/193
Abstract: when a control signal transmitted from a session management functional unit receiving a connection instruction (for example, attach or the like) of a terminal is received, a policy management functional unit of a network apparatus notifies a lan located between a core network and the internet of a policy for the terminal. specifically, the policy management functional unit notifies the lan of the policy via a tcp-based interface or an sctp-based interface. the policy management functional unit receives the control signal via the tcp-based interface or the sctp-based interface.
Inventor(s): Keisuke Ikeda of Tokyo (JP) for nec corporation, Masahiro Tani of Tokyo (JP) for nec corporation, Kazufumi Kojima of Tokyo (JP) for nec corporation
IPC Code(s): H04W4/02, G06Q50/00
Abstract: to improve precision in decision in a technique for deciding an activity area of a target user, based on information of another person, the present invention provides a processing apparatus including: a determination unit that determines one or a plurality of reference users having a predetermined relationship with a target user whose activity area in a target period is to be estimated, based on post information posted on social media by each user within a search period being set based on the target period; an estimation unit that estimates an activity area of the reference user in the target period; and a decision unit that decides an activity area of the target user in the target period, based on an activity area of the reference user in the target period.
20240121740.SERVER, REQUESTING ENTITY, AND METHODS THEREFOR_simplified_abstract_(nec corporation)
Inventor(s): Tsuyoshi Takakura of Tokyo (JP) for nec corporation, Toshiyuki Tamura of Tokyo (JP) for nec corporation
IPC Code(s): H04W60/00
Abstract: in response to receiving from a requesting entity () a request for a connection to an entity providing a service in an edge data network (), a first server () attempts to identify a second server () located in the edge data network () based on at least one selection criterion. if the second server () cannot be identified or is not available, the first server () identifies a second alternative server that is different from the second server, or identify a first alternative server that substitutes for the first server () for attempting to identify the second server. this can contribute, for example, to mitigating the impact of failing to discover one or more preferred edge servers for a user equipment (ue).
20240121792.COMMUNICATIONS SYSTEM_simplified_abstract_(nec corporation)
Inventor(s): Jagdeep Singh Ahluwalia of Sulton (GB) for nec corporation, Robert Arnott of London (GB) for nec corporation
IPC Code(s): H04W72/23, H04W48/12, H04W72/0453, H04W72/30
Abstract: a mobile communications system is proposed in which mobile communications devices are arranged to transmit signals to and to receive signals from a base station using one or a subset of available sub-bands, with the base station being configured to move the mobile communications devices between the sub-bands. an anchor sub-band is also provided on which idle mobile communications devices camp until they are moved to one or more other sub-bands in addition to or instead of the anchor sub-band.
Inventor(s): Da WANG of Beijing (CN) for nec corporation, Lin LIANG of Beijing (CN) for nec corporation, Gang WANG of Beijing (CN) for nec corporation
IPC Code(s): H04W76/19
Abstract: embodiments of the present disclosure relate to methods, devices and computer readable media for communication. a terminal device transmits uplink data in an inactive state to a network device, and if a resume of a connection with the network device is to be performed at a cell where the transmission has been performed, the terminal device performs the resume of the connection by at least one of the following: maintaining, in a pdcp re-establishment, a state variable of pdcp entities of um drbs or srbs; or at least one of initiating a pdcp recovery for at least drbs supporting a transmission in the inactive state or discarding pdcp sdus and pdcp pdus for srbs supporting a transmission in the inactive state. in this way, security during a sdt procedure can be enhanced.
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