NEC Corporation patent applications on February 1st, 2024
Patent Applications by NEC Corporation on February 1st, 2024
NEC Corporation: 59 patent applications
NEC Corporation has applied for patents in the areas of G06F21/32 (10), G10L17/06 (8), A61B5/117 (8), G16H30/20 (7), G16H10/60 (6)
With keywords such as: information, unit, means, data, person, authentication, image, feature, based, and apparatus in patent application abstracts.
Patent Applications by NEC Corporation
Inventor(s): Terumi UMEMATSU of Tokyo (JP) for nec corporation, Masanori TSUJIKAWA of Tokyo (JP) for nec corporation
IPC Code(s): A61B5/00, A61B5/16, A61B5/11
Abstract: a cognitive function estimation device x mainly includes a first state information acquisition means x, a second state information acquisition means x, and a cognitive function estimation means x. the first state information acquisition means x is configured to acquire first state information representing a first state of a subject regarding a cognitive function of the subject. the second state information acquisition means x is configured to acquire second state information representing a second state of the subject whose interval of state change is longer than the first state. the cognitive function estimation means x is configured to estimate the cognitive function of the subject based on the first state information and the second state information.
Inventor(s): Terumi UMEMATSU of Tokyo (JP) for nec corporation, Masanori TSUJIKAWA of Tokyo (JP) for nec corporation
IPC Code(s): A61B5/00, A61B5/16, G06V40/16, A61B5/11, G10L17/26
Abstract: a cognitive function estimation device x mainly includes a first state information acquisition means x, a second state information acquisition means x, and a cognitive function estimation means x. the first state information acquisition means x is configured to acquire first state information representing a first state of a subject regarding a cognitive function of the subject. the second state information acquisition means x is configured to acquire second state information representing a second state of the subject whose interval of state change is longer than the first state. the cognitive function estimation means x is configured to estimate the cognitive function of the subject based on the first state information and the second state information.
20240032885.LUNG SOUND ANALYSIS SYSTEM_simplified_abstract_(nec corporation)
Inventor(s): Masao HIGUCHI of Tokyo (JP) for nec corporation, Mitsuru Noma of Tokyo (JP) for nec corporation, Reishi Kondo of Tokyo (JP) for nec corporation, Yumi Arai of Tokyo (JP) for nec corporation
IPC Code(s): A61B7/00
Abstract: a lung sound analysis system includes an acquisition means for acquiring time-series acoustic signals including lung sounds of a heart failure patient, a detection means for detecting abnormal lung sounds from the acquired time-series acoustic signals, an observation acquisition means for transmitting, to a terminal device of a medical specialist, analysis object lung sound information in which the acquired time-series acoustic signals and a result of the detection are associated with each other, and receiving, from the terminal device, analysis object lung sound information to which an observation by the medial specialist on the time-series acoustic signals is added, and a generation means for generating learning data for detecting abnormal lung sounds on the basis of the analysis object lung sound information to which the observation by the medial specialist is added.
Inventor(s): Makoto YASUKAWA of Tokyo (JP) for nec corporation, Kosuke NISHIHARA of Tokyo (JP) for nec corporation, Yuji OHNO of Tokyo (JP) for nec corporation
IPC Code(s): A63B24/00
Abstract: an exercise assisting apparatus includes: a division unit configured to divide sample motion information indicating motions of a sample person doing exercise into a plurality of pieces of motion element information , according to regularity of the motions of the sample person; and a generation unit configured to generate an inference model by causing a pre-trained model to learn time-series antecedent dependency of the plurality of pieces of motion element information, the inference model inferring motions of a target person, based on target motion information indicating the motions of the target person doing exercise.
Inventor(s): Makoto YASUKAWA of Tokyo (JP) for nec corporation, Kosuke NISHIHARA of Tokyo (JP) for nec corporation, Yuji OHNO of Tokyo (JP) for nec corporation
IPC Code(s): A63B24/00
Abstract: an exercise assisting apparatus includes: a division unit configured to divide sample motion information indicating motions of a sample person doing exercise into a plurality of pieces of motion element information , according to regularity of the motions of the sample person; and a generation unit configured to generate an inference model by causing a pre-trained model to learn time-series antecedent dependency of the plurality of pieces of motion element information, the inference model inferring motions of a target person, based on target motion information indicating the motions of the target person doing exercise.
Inventor(s): Natsumi YOKOYAMA of Tokyo (JP) for nec corporation, Shintaro Chiku of Tokyo (JP) for nec corporation, Yoko Tanaka of Tokyo (JP) for nec corporation, Yuki Tsuji of Tokyo (JP) for nec corporation, Kosei Kobayashi of Tokyo (JP) for nec corporation, Kazuki Ogata of Tokyo (JP) for nec corporation, Kei Yanagisawa of Tokyo (JP) for nec corporation
IPC Code(s): E01C23/01, G01C21/34
Abstract: a road inspection system comprises: a means that creates a road inspection route including a first road managed by a first road manager and a second road managed by a second road manager which is different from the first road manager; a means that receives inspection data from a vehicle that has traveled along a road inspection route, in which the inspection data is obtained by measurement of pre-set items along the road inspection route; a means that diagnoses a first inspection data, that is included in the inspection data and measured on the first road, using first diagnosis criteria of the first road manager; and a means that diagnoses a second inspection data, that is included in the inspection data and measured on the second road, using second diagnosis criteria of the second road manager.
20240035803.OPTICAL TOMOGRAPHY SYSTEM AND METHOD OF USING_simplified_abstract_(nec corporation)
Inventor(s): John Kenji David CLARK of Tokyo (JP) for nec corporation, Shigeru NAKAMURA of Tokyo (JP) for nec corporation
IPC Code(s): G01B9/02091, G01B9/02001
Abstract: a swept-source optical coherence tomography (ss-oct) apparatus includes a plurality of wavelength-tunable light sources. the ss-oct apparatus includes a first optical coupler configured to receive an output from each of the plurality of wavelength-tunable light sources. the optical coupler is configured to split the received output from the plurality of wavelength-tunable light sources into a reference optical path and a sample optical path. the sample optical path is configured to illuminate a sample. the ss-oct apparatus includes a second optical coupler configured to receive return optical signals from the reference optical path and the sample optical path, and to output an optical interference signal. the ss-oct apparatus includes a detector configured to detect the optical interference signal; and a controller configured to receive an electrical signal based on the detected optical interference signal. the controller is configured to generate a depth profile of the sample using compressed sensing.
Inventor(s): Hiroaki Inotsume of Tokyo (JP) for nec corporation
IPC Code(s): G05D1/02, G05D1/00
Abstract: a motion learning apparatus includes: a motion analyzing unit configured to analyze motion of a mobile object based on mobile object state data, and generating motion analysis data; and a learning unit configured to learn a model for estimating the motion of the mobile object in a first environment, using first motion analysis data generated in the first environment and second motion analysis data generated in respective second environments, and furthermore, a motion estimation apparatus includes: an environment analyzing unit configured to analyzing a first environment based on environment state data indicating a state of the first environment, and generating environment analysis data, and an estimation unit configured to estimate motion of a mobile object in the first environment by inputting the environment analysis data to a model.
Inventor(s): Yusuke SHIMADA of Tokyo (JP) for nec corporation, Norio YAMAGAKI of Tokyo (JP) for nec corporation
IPC Code(s): G06F11/36
Abstract: a program analysis apparatus includes a first code block extraction means for extracting a first code block having a specific property from codes included in a binary of a program, a second code block extraction means for extracting a second code block performing a predetermined sensitive operation from the codes included in the binary of the program, a relationship information acquisition means for acquiring relationship information indicating a relationship on a control flow between the first code block and the second code block, a backdoor score calculation means for calculating a backdoor score based on content of the predetermined sensitive operation in the first code block and performing addition and subtraction of the backdoor score with respect to the first code block based on the relationship information, and an output means for outputting the first code block and the backdoor score for the first code block.
Inventor(s): Yoshio SHIMIZU of Tokyo (JP) for nec corporation
IPC Code(s): G06F13/42, G06F13/40
Abstract: a host () includes a pcie root complex (), a pcie expander () configured to be connected to a general-purpose network n, and a pcie switch () including pcie ports and configured to switch a connection between the root complex () and the expander (), in which the expander () enables pcie ports () connected to upstream ports of the root complex () and the expander () and disables a pcie port () connected to a downstream port of the expander () when the host () functions as a master, and disables the upstream port () and the downstream port () and enables the upstream port () when the host functions as a slave.
Inventor(s): Shinji Ito of Tokyo (JP) for nec corporation
IPC Code(s): G06F17/11
Abstract: in an optimization device, an acquisition means acquires a reward obtained by executing a certain policy. an updating means updates a probability distribution of the policy based on the obtained reward. here, the updating means uses a weighted sum of the probability distributions updated in a past as a constraint. a determination means determines the policy to be executed, based on the updated probability distributions.
Inventor(s): Fumiyo TAKANO of Tokyo (JP) for nec corporation, Hiroaki INOUE of Tokyo (JP) for nec corporation, Takuya ARAKI of Tokyo (JP) for nec corporation, Motoi SUZUKI of Tokyo (JP) for nec corporation, Yuki KOBAYASHI of Tokyo (JP) for nec corporation, Takahiro NISHIMURA of Tokyo (JP) for nec corporation, Hiroshi CHISHIMA of Tokyo (JP) for nec corporation, Akihiro YATABE of Tokyo (JP) for nec corporation
IPC Code(s): G06F17/18
Abstract: the inconsistency determination device includes inconsistency determination means the inconsistency determination means determines whether or not there is inconsistency in an expression, which is to be converted into an energy function of a model representing states of individual spins by a first value or a second value, representing energy in a combinatorial optimization problem.
Inventor(s): Takayuki ARAKAWA of Tokyo (JP) for nec corporation, Takafumi KOSHINAKA of Tokyo (JP) for nec corporation
IPC Code(s): G06F21/32, H04R1/10, H04R3/00, A61B5/1171, G06F21/34, G10L17/02, G10L19/02, G10L25/06, G10L25/51, H04R1/26, H04R1/46
Abstract: provided is to prevent a false determination due to an attachment condition of an apparatus that transmits and receives an acoustic signal, and perform accurate personal authentication. a personal authentication device includes: a personal authentication means that authenticates an individual by using first information at least including an acoustic characteristic calculated from an acoustic signal propagating through the head of the user, which is detected by an apparatus being attached on a head of a user for transmitting and receiving the acoustic signal, and a feature amount extracted from the acoustic characteristic; an attachment trouble rule storage means that stores an attachment trouble rule for detecting an attachment trouble with the apparatus; and an attachment trouble detection means that detects a trouble with an attachment state of the apparatus when the first information satisfies the attachment trouble rule.
Inventor(s): Takayuki ARAKAWA of Tokyo (JP) for nec corporation, Takamufi KOSHINAKA of Tokyo (JP) for nec corporation
IPC Code(s): G06F21/32, H04R1/10, H04R3/00, A61B5/1171, G06F21/34, G10L17/02, G10L19/02, G10L25/06, G10L25/51, H04R1/26, H04R1/46
Abstract: provided is to prevent a false determination due to an attachment condition of an apparatus that transmits and receives an acoustic signal, and perform accurate personal authentication. a personal authentication device includes: a personal authentication means that authenticates an individual by using first information at least including an acoustic characteristic calculated from an acoustic signal propagating through the head of the user, which is detected by an apparatus being attached on a head of a user for transmitting and receiving the acoustic signal, and a feature amount extracted from the acoustic characteristic; an attachment trouble rule storage means that stores an attachment trouble rule for detecting an attachment trouble with the apparatus; and an attachment trouble detection means that detects a trouble with an attachment state of the apparatus when the first information satisfies the attachment trouble rule.
Inventor(s): Nobuaki Kawase of Tokyo (JP) for nec corporation
IPC Code(s): G06F21/33, G06F21/32
Abstract: a system includes a user terminal and a plurality of ledger nodes. the user terminal acquires an object fingerprint of an item and biometric information of an owner of the item. the plurality of ledger nodes provides an electronic bulletin board. the user terminal writes an ownership right certificate including the object fingerprint of the item and the biometric information of the owner on the electronic bulletin board. the system may further include a server apparatus. the user terminal may transmit an item registration request including at least the object fingerprint of the item and the biometric information of the owner to the server apparatus.
Inventor(s): Yusuke SHIMADA of Tokyo (JP) for nec corporation, Takayuki Sasaki of Tokyo (JP) for nec corporation
IPC Code(s): G06F21/51
Abstract: a program analysis device including: code block extraction means for extracting code blocks having specific qualities from code blocks included in binary data of a program; backdoor score calculation means for calculating, for each code block extracted by the code block extraction means, based on the contents of operations in each code block, a backdoor score, which is a score indicating the possibility of each code block being a backdoor code or a score indicating the degree of impact of each code block on a system when it is executed; and output means for outputting the code blocks extracted by the code block extraction means and the backdoor score calculated for each of the extracted code blocks by the backdoor score calculation means.
Inventor(s): Kosuke YOSHIMI of Tokyo (JP) for nec corporation
IPC Code(s): G06F21/62, G06V40/18, G06V10/60, G06T5/00
Abstract: an image processing apparatus includes: a detecting unit that detects an iris area ia including an iris from a person image img in which at least an eye of the target person is included; an image processing unit that converts the person image to a protected image img in which an iris information relating to a pattern of the iris is not obtainable by performing an image processing on at least a part of the iris area of the person image; and an adding unit that adds meta data indicating that the image processing is performed on at least a part of the iris area to the protected image.
Inventor(s): Masanao Natsumeda of Tokyo (JP) for nec corporation
IPC Code(s): G06N3/08
Abstract: a method of learning a neural network, wherein the neural network includes: a feature selection layer for selecting a part of input data; a feature extraction layer for extracting a feature quantity on the basis of the selected input data; a prediction layer for performing a prediction on the basis of the feature quantity; and a partial reconstruction layer for reconstructing the selected input data on the basis of the feature quantity, and the method includes adjusting a weight parameter of the neural network on the basis of a prediction accuracy by the prediction layer and a reconstruction error in the partial reconstruction layer.
Inventor(s): Masanao NATSUMEDA of Tokyo (JP) for nec corporation
IPC Code(s): G06N3/08
Abstract: a method of learning a neural network, wherein the neural network includes: a feature selection layer for selecting a part of input data including information about a domain of each sample; a feature extraction layer for extracting a feature quantity on the basis of the selected input data; and a prediction layer for performing a prediction on the basis of the feature quantity, and the method includes adjusting a weight parameter of the neural network to increase a prediction accuracy by the prediction layer and to reduce a contribution to a prediction result of the prediction layer by the domain of the input data.
Inventor(s): Atsushi SATO of Tokyo (JP) for nec corporation
IPC Code(s): G06N3/09
Abstract: a learning apparatus includes: a score calculation unit that calculates scores by inputting training data with positive or negative labels to a score function; a score specification unit that specifies the lowest one of the scores for the training data with positive labels as a minimum score, and specifies the highest one of the scores for the training data with negative labels as a maximum score; a pair generation unit that selects training data for which the scores are equal to or higher than the minimum and equal to or lower than the maximum, and generates pairs of a positive example and a negative example, and an optimization unit that updates a parameter of the score function through machine learning so as to increase the number of pairs in which a score of training data with positive label is higher than a score of training data with negative label.
Inventor(s): Yuki Susa of Tokyo (JP) for nec corporation, Aiko Yamaguchi of Tokyo (JP) for nec corporation
IPC Code(s): G06N10/20
Abstract: a computation device generates a plan that controls an oscillator configured to perform parametric oscillation such that an intensity of a pump signal that is input to the oscillator increases from a first value according to an elapsed time and then decreases to a second value, and a magnitude of a detuning between a resonance frequency of the oscillator and an oscillation frequency of the oscillator increases from a third value according to the elapsed time and then decreases to a fourth value. the computation device generates a quantum state of the oscillator by controlling the oscillator based on the plan. the computation device performs computation using the generated quantum state.
Inventor(s): Riki ETO of Tokyo (JP) for nec corporation
IPC Code(s): G06N20/00
Abstract: a function input means accepts input of a reward function whose features are set to satisfy a lipschitz continuity condition. an estimation means estimates a trajectory that minimizes wasserstein distance, which represents distance between probability distribution of a trajectory of an expert and probability distribution of a trajectory determined based on parameters of the reward function. an update means updates the parameters of the reward function to maximize the wasserstein distance based on the estimated trajectory.
Inventor(s): Masahiro Tani of Tokyo (JP) for nec corporation, Kazufumi Kojima of Tokyo (JP) for nec corporation, Keisuke Ikeda of Tokyo (JP) for nec corporation
IPC Code(s): G06Q30/0207, G07C1/10, G06Q50/30
Abstract: an imparting unit determines whether to issue a coupon or calculates a point on the basis of a staying time in the limited area, the coupon and the point being exchangeable with an article provided in the limited area by a user who is a soon-to-be passenger to board a plane. the limited area indicates an area in which a soon-to-be passenger stays until he or she boards a plane after a security check. in addition, the staying time in the limited area indicates an elapsed time from entry to the limited area to a predetermined imparted timing. an output unit outputs, on a mobile terminal of the user, information notifying of an issuance of a coupon when the imparting unit determines to issue the coupon, or information about the point calculated by the imparting unit.
Inventor(s): Taichi OKUMURA of Tokyo (JP) for nec corporation, Noriyuki HIRAMOTO of Tokyo (JP) for nec corporation
IPC Code(s): G06Q30/0226, G06Q30/0207, G06Q20/40
Abstract: an information controlling apparatus includes: a first registering unit configured to register registration information linking a predetermined user's biometric information and personal information; an acquiring unit configured to acquire the biometric information of the user; a biometric authentication controlling unit configured to control biometric authentication of the user; a second registering unit configured to register action information pertaining to the entry into or exit from a first facility or purchase information pertaining to the purchased product or service at the first facility linked to the registration information of the user whose biometric authentication has succeeded; a determining unit configured to determine, based on the registration information, a service suitable for the user and available at a second facility; and a processing unit configured to perform a process pertaining to providing of the service.
Inventor(s): Ayaka Amakawa of Tokyo (JP) for nec corporation, Maki Sano of Tokyo (JP) for nec corporation, Yatin Joshi of Tokyo (JP) for nec corporation
IPC Code(s): G06T7/00, G06V20/69, G16B20/00
Abstract: provided is a technique that suggests a testing region suited to dissection in genetic testing of somatic cells. an acquisition unit () acquires image data of a pathological specimen; an estimation unit () estimates the content ratio of tumor cells in each of individual regions in a focus region in the image data of the pathological specimen; a determination unit () determines a testing region in the focus region on the basis of the content ratio of tumor cells in each of the individual regions in the focus region; and an output unit () outputs information indicating the testing region.
Inventor(s): Hui Lam ONG of Singapore (SG) for nec corporation, Hong Yen ONG of Singapore (SG) for nec corporation, Xinlai JIANG of Singapore (SG) for nec corporation
IPC Code(s): G06T7/20, G06V40/16, G06V10/75, G06V10/22
Abstract: in one aspect, it is provided a method comprising receiving an image of a target subject; determining a direction in response to the receipt of the image, the direction being one in which the target subject was likely to move during a time period in the past or is likely to move during a time period in the future; determining a target area within which another image of the target subject can be expected to appear based on the determined direction; and determining if a portion of a subsequent image is outside the determined target area to identify if the subsequent image is one relating to the target subject, wherein the subsequent image is one taken during the time period in the past or during the time period in the future.
Inventor(s): Takahiro TOIZUMI of Tokyo (JP) for nec corporation
IPC Code(s): G06T11/60, G06T3/40, G06T3/60, G06V10/25, G06V10/60
Abstract: a learning system () comprises: a generation unit () configured to synthesize with an original image including a living body, information on a reflection component of light not derived from the original image to generate a synthetic image; and a learning unit () configured to perform learning for an estimation model () based on information on a specific portion of the living body estimated from the synthetic image by the estimation model and correct answer information showing a correct answer of the information on the specific portion in the original image. according to this learning system, it is possible to learn the estimation model appropriately.
Inventor(s): Kenta SENZAKI of Tokyo (JP) for nec corporation, Azusa SAWADA of Tokyo (JP) for nec corporation, Hironobu MORI of Tokyo (JP) for nec corporation, Kyoko MUROZONO of Tokyo (JP) for nec corporation, Katsuya ODAKA of Tokyo (JP) for nec corporation
IPC Code(s): G06V10/22, G06V10/74, G06V20/70, G06V10/12, G06V10/10
Abstract: this image processing device comprises an input unit, a verification area extraction unit, and an output unit. the input unit receives, as an annotation area, an input of information of an area on a first image in which an object subjected to annotation processing is present. the verification area extraction unit extracts a second image including the annotation area and captured in a manner different from that for the first image. the output unit outputs the first image and the second image in a comparable state.
Inventor(s): Akira HIROKAWA of Tokyo (JP) for nec corporation
IPC Code(s): G06V40/12
Abstract: an information processing device includes: an acquisition unit that acquires a rolled print and a slap print on the same finger; an extraction unit that extracts first feature points from the rolled print and second feature points from the slap print, respectively; and an estimation unit that, based on a ratio occupied by the first feature points having no correspondence with the second feature points out of the first feature points included in a common region that is common to the rolled print and the slap print, estimates a first work amount of correction work performed by a user on a non-common region excluding the common region from the rolled print.
Inventor(s): Keiichi Chono of Tokyo (JP) for nec corporation, Yuka Ogino of Tokyo (JP) for nec corporation, Ryuichi Akashi of Tokyo (JP) for nec corporation
IPC Code(s): G06V40/18, G06V10/141
Abstract: an iris recognition apparatus is provided with: an irradiating device that is capable of irradiating light to a target person to be recognized; an acquiring device that acquires a first image which imaged a first imaging range including at least a face of the target person; and a determining device that determines an irradiation mode of light irradiated from the irradiating device to the target person when imaging a second image including an area, which includes an eye of the target person, and corresponding to a second imaging range, which is narrower than the first imaging range, based on the first image.
Inventor(s): Keiichi Chono of Tokyo (JP) for nec corporation, Yuka Ogino of Tokyo (JP) for nec corporation, Ryuichi Akashi of Tokyo (JP) for nec corporation
IPC Code(s): G06V40/18, G06V10/141
Abstract: an iris recognition apparatus is provided with: an irradiating device that is capable of irradiating light to a target person to be recognized; an acquiring device that acquires a first image which imaged a first imaging range including at least a face of the target person; and a determining device that determines an irradiation mode of light irradiated from the irradiating device to the target person when imaging a second image including an area, which includes an eye of the target person, and corresponding to a second imaging range, which is narrower than the first imaging range, based on the first image.
Inventor(s): Kazuyuki SAKURAI of Tokyo (JP) for nec corporation
IPC Code(s): G06V40/40, G06V40/18
Abstract: an information processing apparatus () includes an acquisition unit () configured to acquire a person image (img) including an eye area (ea) of a target person, and a determination unit () configured to determine that the target person impersonates another person in the case where an aperture (ap) enclosing at least a part of an eye of the target person is present in the person image.
Inventor(s): Tetsuro HASEGAWA of Tokyo (JP) for nec corporation, Takayuki SASAKI of Tokyo (JP) for nec corporation, Hiroaki AMINAKA of Tokyo (JP) for nec corporation, Kazuki OGATA of Tokyo (JP) for nec corporation, Kei YANAGISAWA of Tokyo (JP) for nec corporation, Kosei KOBAYASHI of Tokyo (JP) for nec corporation
IPC Code(s): G08G1/01, G06V20/54
Abstract: an information provision apparatus includes: a data acquisition part that acquires data from a sensor(s) installed to grasp movement of a vehicle(s) traveling on a road; a database that accumulates primary data acquired by the sensor(s); a user-specific processing content storage part that stores a user-specific processing content(s) defining a processing content(s) on the primary data for each data user; a data processing part that reads out the user-specific processing content(s) stored in the user-specific processing content storage part and creates secondary data for the data user(s) from the primary data; and a data transmission part that transmits the secondary data to the data user(s).
Inventor(s): Hiroshi Imai of Tokyo (JP) for nec corporation
IPC Code(s): G09G3/00, G06T7/70, G06V40/10, G06F3/01, H04W4/024, H04W4/021
Abstract: there is provided a pedestrian guidance device that pedestrians can be guided to their respective attributes, the pedestrian guidance device including: a detection unit configured to detect respective viewpoint positions and attributes of a plurality of pedestrians; and a display unit configured to display simultaneously a plurality of images for guiding the respective pedestrians on the same screen, based on the respective attributes of the plurality of pedestrians, and displaying the plurality of images such that the plurality of images are displayed in respective directions of the viewpoint positions of the pedestrians respectively corresponding to the images.
Inventor(s): Koji OKABE of Tokyo (JP) for nec corporation, Takayuki ARAKAWA of Tokyo (JP) for nec corporation, Takafumi KOSHINAKA of Tokyo (JP) for nec corporation
IPC Code(s): G10L17/06, A61B5/117
Abstract: a biometric authentication device is provided with: a replay unit for reproducing a sound; an ear authentication unit for acquiring a reverberation sound of the sound in an ear of a user to be authenticated, extracting an ear acoustic feature from the reverberation sound, and calculating an ear authentication score by comparing the extracted ear acoustic feature with an ear acoustic feature stored in advance; a voice authentication unit for extracting a talker feature from a voice of the user that has been input, and calculating a voice authentication score by comparing the extracted talker feature with a talker feature stored in advance; and an authentication integration unit for outputting an authentication integration result calculated based on the ear authentication score and the voice authentication score. after the sound is output into the ear, a recording unit inputs the voice of the user.
Inventor(s): Koji OKABE of Tokyo (JP) for nec corporation, Takayuki ARAKAWA of Tokyo (JP) for nec corporation, Takafumi KOSHINAKA of Tokyo (JP) for nec corporation
IPC Code(s): G10L17/06, A61B5/117
Abstract: a biometric authentication device is provided with: a replay unit for reproducing a sound; an ear authentication unit for acquiring a reverberation sound of the sound in an ear of a user to be authenticated, extracting an ear acoustic feature from the reverberation sound, and calculating an ear authentication score by comparing the extracted ear acoustic feature with an ear acoustic feature stored in advance; a voice authentication unit for extracting a talker feature from a voice of the user that has been input, and calculating a voice authentication score by comparing the extracted talker feature with a talker feature stored in advance; and an authentication integration unit for outputting an authentication integration result calculated based on the ear authentication score and the voice authentication score. after the sound is output into the ear, a recording unit inputs the voice of the user.
Inventor(s): Koji Okabe of Tokyo (JP) for nec corporation, Takayuki Arakawa of Tokyo (JP) for nec corporation, Takafumi Koshinaka of Tokyo (JP) for nec corporation
IPC Code(s): G10L17/06, A61B5/117
Abstract: a biometric authentication device is provided with: a replay unit for reproducing a sound; an ear authentication unit for acquiring a reverberation sound of the sound in an ear of a user to be authenticated, extracting an ear acoustic feature from the reverberation sound, and calculating an ear authentication score by comparing the extracted ear acoustic feature with an ear acoustic feature stored in advance; a voice authentication unit for extracting a talker feature from a voice of the user that has been input, and calculating a voice authentication score by comparing the extracted talker feature with a talker feature stored in advance; and an authentication integration unit for outputting an authentication integration result calculated based on the ear authentication score and the voice authentication score. after the sound is output into the ear, a recording unit inputs the voice of the user.
Inventor(s): Koji OKABE of Tokyo (JP) for nec corporation, Takayuki Arakawa of Tokyo (JP) for nec corporation, Takafumi Koshinaka of Tokyo (JP) for nec corporation
IPC Code(s): G10L17/06, A61B5/117
Abstract: a biometric authentication device is provided with: a replay unit for reproducing a sound; an ear authentication unit for acquiring a reverberation sound of the sound in an ear of a user to be authenticated, extracting an ear acoustic feature from the reverberation sound, and calculating an ear authentication score by comparing the extracted ear acoustic feature with an ear acoustic feature stored in advance; a voice authentication unit for extracting a talker feature from a voice of the user that has been input, and calculating a voice authentication score by comparing the extracted talker feature with a talker feature stored in advance; and an authentication integration unit for outputting an authentication integration result calculated based on the ear authentication score and the voice authentication score. after the sound is output into the ear, a recording unit inputs the voice of the user.
Inventor(s): Qiongqiong Wang of Tokyo (JP) for nec corporation, Takafumi KOSHINAKA of Tokyo (JP) for nec corporation
IPC Code(s): G10L17/08, G10L17/02
Abstract: a speaker subset selection means selects speakers corresponding to an attribute from subset information of an entire speaker to determine a subset of a speech model from which test utterance is identified. a speaker identification means identifies a speaker of the test utterance from a subset of the determined speech model based on features extracted from the test utterance.
Inventor(s): Haruna Watanabe of Tokyo (JP) for nec corporation
IPC Code(s): G11B27/00, G11B27/34
Abstract: a video search apparatus according to the present disclosure includes a search unit configured to use scene information including event information including a plurality of events constituting a video scene and time information indicating a time set for the video scene to set a search range of an event in a target video image based on the time information and also search for the event included in the event information from the target video image within the set search range, and a determination unit configured to determine a video section in the target video image that corresponds to the scene information targeted for the search based on a result of the search for the event.
Inventor(s): Yuji OHNO of Tokyo (JP) for nec corporation, Masahiro KUBO of Tokyo (JP) for nec corporation
IPC Code(s): G16H10/60, G16H30/20
Abstract: a text data generation device includes an acquisition unit that acquires object person information representing time-series physical condition of an object person, an estimation unit that estimates time-series states of the object person on the basis of the object person information, and a generation unit that generates text data representing the state of the object person in a given time period, on the basis of the estimated time-series states of the object person.
Inventor(s): Yuji OHNO of Tokyo (JP) for nec corporation, Masahiro KUBO of Tokyo (JP) for nec corporation
IPC Code(s): G16H10/60, G16H30/20
Abstract: a text data generation device includes an acquisition unit that acquires object person information representing time-series physical condition of an object person, an estimation unit that estimates time-series states of the object person on the basis of the object person information, and a generation unit that generates text data representing the state of the object person in a given time period, on the basis of the estimated time-series states of the object person.
Inventor(s): Yuji OHNO of Tokyo (JP) for nec corporation, Masahiro KUBO of Tokyo (JP) for nec corporation
IPC Code(s): G16H30/20, G06V40/20, G06F40/166
Abstract: a text data generation device includes an acquisition unit that acquires object person information representing time-series physical condition of an object person, an estimation unit that estimates time-series states of the object person on the basis of the object person information, and a generation unit that generates text data representing the state of the object person in a given time period, on the basis of the estimated time-series states of the object person.
Inventor(s): Masahiro HAYASHITANI of Tokyo (JP) for nec corporation, Eiji Yumoto of Tokyo (JP) for nec corporation, Takeshi Hasegawa of Tokyo (JP) for nec corporation, Yuki Kosaka of Tokyo (JP) for nec corporation, Kosuke Nishihara of Tokyo (JP) for nec corporation, Yutake Uno of Tokyo (JP) for nec corporation, Yuan Luo of Tokyo (JP) for nec corporation, Kenji Araki of Tokyo (JP) for nec corporation, Makoto Yasukawa of Tpkyo (JP) for nec corporation, Shuhei Noyori of Tokyo (JP) for nec corporation, Yusuke Ito of Tokyo (JP) for nec corporation
IPC Code(s): G16H40/20, G16H10/60
Abstract: in information processing device, the information acquisition means acquires patient information, medical professional information, and environment information. the treatment order determination means determines an order of treatment of the patients for each medical professional based on the patient information, the medical professional information, and the environment information.
Inventor(s): Tomoya SAKAI of Tokyo (JP) for nec corporation, Hiroshi TAMANO of Tokyo (JP) for nec corporation
IPC Code(s): G16H50/20
Abstract: in the strange feeling prediction device, the prediction result acquisition means inputs diagnosis data to a target prediction model which is a trained prediction model serving as a target, and acquires a prediction result by the target prediction model. the label acquisition means acquires a strange feeling label indicating a strange feeling of an expert with respect to the prediction result. the strange feeling prediction model training means trains a strange feeling prediction model using the prediction result and the strange feeling label. the strange feeling prediction means outputs a strange feeling index indicating the strange feeling with respect to the prediction result outputted by the target prediction model, using the trained strange feeling prediction model.
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.
20240038399.ESTIMATING RECOVERY LEVEL OF A PATIENT_simplified_abstract_(nec corporation)
Inventor(s): Toshinori HOSOI of Tokyo (JP) for nec corporation, Shoji YACHIDA of Tokyo (JP) for nec corporation
IPC Code(s): G16H50/30, G06T7/00, G06T7/246, G06T7/62, A61B5/11, A61B5/00
Abstract: in a recovery level estimation device, an image acquisition means acquires images in which eyes of a patient are captured. an eye movement feature extraction means extracts an eye movement feature which is a feature of an eye movement based on the images. a recovery level estimation means estimates a recovery level of the patient based on the eye movement feature by using a recovery level estimation model which has been learned by machine learning in advance.
Inventor(s): Terutaka UCHIDA of Tokyo (JP) for nec corporation
IPC Code(s): G16H80/00, G06V40/16, G06T7/00, G06V40/20
Abstract: an image display apparatus comprises at least one memory storing instructions, and at least one processor configured to execute the instructions to acquire a plurality of pieces of image data from a camera, identify a person from the image data, estimate a possibility of the person identified from the image data having developed an infectious disease, detect an image of interest including a person of interest regarding which there is the possibility of the person of interest having developed an infectious disease and a nearby person present in the vicinity of the person of interest based on a result of the estimation, extract a series of images including the image of interest, and display the extracted series of images.
Inventor(s): Yoshinari TAKIGAWA of Tokyo (JP) for nec corporation
IPC Code(s): H02H7/20
Abstract: in order to provide a grounding device and the like which can suppress generation of heat generated due to a rush current when a feed line is grounded, a grounding device according to the present invention comprises: an in-submarine-apparatus feed line which is installed in a submarine apparatus and which supplies power to an electrical component in the submarine apparatus; a determination means for determining whether or not the temperature of an impedance circuit which is to be connected between the feed line and a sea earth and which has a predetermined impedance exceeds a threshold value; and a first connection means for connecting two terminals of the impedance circuit when the temperature exceeds the threshold value as a result of the determination.
Inventor(s): Jun Kodama of Tokyo (JP) for nec corporation, Yoshiaki Sakae of Tokyo (JP) for nec corporation, Yuji Kobayashi of Tokyo (JP) for nec corporation, Etsuko Ichihara of Tokyo (JP) for nec corporation, Jun Nishioka of Tokyo (JP) for nec corporation, Hiroki Tagato of Tokyo (JP) for nec corporation, Takashi Konashi of Tokyo (JP) for nec corporation
IPC Code(s): H04B10/079, G06N20/00
Abstract: a learning model is trained so that a signal state can be estimated with high accuracy even in a case where a constellation on a complex plane is rotated. a learning apparatus () includes: an acquisition section () that acquires a constellation of a known state optical signal transmitted through optical fiber; a generation section () that generates a corrected constellation obtained by rotating the constellation on a complex plane; and a learning section () that uses the constellation and the corrected constellation to train a learning model.
Inventor(s): Koya Takata of Tokyo (JP) for nec corporation, Hisashi Mizumoto of Tokyo (JP) for nec corporation, Fujio Okumura of Kanagawa (JP) for nec corporation
IPC Code(s): H04B10/11, H04B10/60, G02B3/00, G02B19/00
Abstract: provided is a light receiving device includes a ball lens and a light receiver disposed in a condensing region of the ball lens. the light receiver includes a light receiving element array in which light receiving units each of which includes a light receiving element and an amplifier circuit associated with the light receiving element are disposed in an array, and a selection circuit that selects a light receiving unit included in the light receiving element array.
Inventor(s): Jun KODAMA of Tokyo (JP) for nec corporation, Yoshiaki SAKAE of Tokyo (JP) for nec corporation, Yuji KOBAYASHI of Tokyo (JP) for nec corporation, Etsuko ICHIHARA of Tokyo (JP) for nec corporation, Jun NISHIOKA of Tokyo (JP) for nec corporation, Takashi KONASHI of Tokyo (JP) for nec corporation, Hiroki TAGATO of Tokyo (JP) for nec corporation
IPC Code(s): H04B10/61, H04B10/556
Abstract: at least one processor included in an optical signal state estimation apparatus carries out: an acquisition process for acquiring a constellation of an optical signal; a generation process for generating time series data in which pieces of histogram information are arranged in time series, the histogram information being obtained by counting the number of signal points of the constellation, the signal points being included in each of grids obtained by dividing an in-phase component direction and a quadrature component direction into a specific number of rows and the specific number of columns, respectively; and an estimation process for estimating a state of the optical signal by inputting the time series data to a learned model.
Inventor(s): Masahiro NARA of Tokyo (JP) for nec corporation, Toshihiko OKAMURA 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): H04L9/08, H04L9/32, H04L9/30
Abstract: in a recovery verification system, a template storage unit stores a template acquired by encrypting registration input information being biometric information about a registrant by using a secret key. a random number generation unit generates a random number in response to a request from the client. a protected template generation unit conceals the template by the random number, and transmits a protected template to the client. a determination unit acquires, from the client, information about a concealment index that is acquired by concealing a degree of similarity between registration input information and collation information being biometric information about an authenticated subject and is calculated based on the collation information and the protected template. a determination unit generates an index acquired by decrypting the concealment index by using a public key associated with the secret key and the random number, and performs authentication, based on the index.
Inventor(s): Tomohisa Yokota of Tokyo (JP) for nec corporation
IPC Code(s): H04L41/5003, H04L9/00
Abstract: provided is a technique that allows persons concerned with provision of a service to share information pertaining to a communication infrastructure which has been used to provide the service. an information processing apparatus includes: an acquisition means that acquires log information of one or more communication infrastructures which constitute an end-to-end communication path; and a generation means that generates transaction data which includes the log information and which is to be added to a block chain updated using a predetermined consensus algorithm.
Inventor(s): Shohei Mitani of Tokyo (JP) for nec corporation, Naoki YOSHINAGA of Tokyo (JP) for nec corporation
IPC Code(s): H04L9/40, H04L41/16
Abstract: a learning apparatus includes: a learning unit that learns a first parameter and a second parameter that are included in a mapping model for mapping, to a region set based on a subspace set in advance and a distance from the subspace, a feature vector generated based on normal data input as training data, the first parameter being for generating the feature vector and the second parameter being for adjusting the distance.
Inventor(s): Tadayuki OHNO of Tokyo (JP) for nec corporation
IPC Code(s): H04W48/18
Abstract: a use management apparatus () according to the present disclosure includes: an acquisition means () for acquiring, from a user, a type of a service desired by the user using a terminal () and a scheduled use time of the service, and acquiring a use condition of an application to be used when receiving the service, and a request condition for a communication carrier when receiving the service; and a connection destination determination means () for selecting a predetermined communication carrier satisfying the use condition and the request condition, extracting a predetermined slice being available at the scheduled use time from among the predetermined communication carriers, and determining a connection destination communication carrier and a connection destination slice, based on a routing parameter.
20240040499.CELL SELECTION BASED ON USER CAPABILITY_simplified_abstract_(nec corporation)
Inventor(s): Yuhua Chen of London (GB) for nec corporation, Alberto Suarez of London (GB) for nec corporation
IPC Code(s): H04W48/20, H04W48/12
Abstract: a cellular communication system is disclosed in which a base station operates a cell which has a supplementary uplink portion (e.g. on a different frequency and/or using a different technology). the base station broadcasts an offset for user equipment (ue) in its coverage area to assist the ue performing cell selection. specifically, the ue determines, based on measurements for the cell, the offset, and capability of the ue to communicate using the supplementary uplink portion, whether the cell of the base station is an appropriate candidate for cell selection such that: if the ue is capable of communicating using the supplementary uplink portion then the ue performs cell (re)selection based on the offset; and if the ue is not capable of communicating using the supplementary uplink portion then the ue disregards the offset in its cell (re)selection.
Inventor(s): Keiji Fukui of Tokyo (JP) for nec corporation
IPC Code(s): H04W60/00, H04W8/02
Abstract: provided is a technique to prevent, in disaster roaming, deterioration in service for subscribers of a telecommunications carrier that operates a mobile network. a notification section () notifies a base station apparatus () of a maximum number of acceptable subscribers for each roaming requester telecommunications carrier. a determination section () permits a new connection request from a terminal apparatus in a case where the new connection request is a connection request from a subscriber terminal of a host telecommunications carrier that provides a roaming service, and determines, in a case where a new connection request from a terminal apparatus is a connection request from a subscriber terminal of a roaming requester telecommunications carrier, whether or not to permit the new connection request based on a maximum number of acceptable subscribers corresponding to the roaming requester telecommunications carrier.
- NEC Corporation
- A61B5/00
- A61B5/16
- A61B5/11
- Nec corporation
- G06V40/16
- G10L17/26
- A61B7/00
- A63B24/00
- E01C23/01
- G01C21/34
- G01B9/02091
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- H04L9/40
- H04L41/16
- H04W48/18
- H04W48/20
- H04W48/12
- H04W60/00
- H04W8/02
