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11.发明公开公开(公告)号：US20230224319A1
公开(公告)日：2023-07-13
申请号：US18010962
申请日：2020-06-22
Applicant: NEC Corporation
Inventor： Kazuhiko Isoyama , Yoshiaki Sakae , Jun Nishioka , Yuji Kobayashi
CPC classification number: H04L63/1433 , G06F9/45558 , G06F2009/45587
Abstract: In order to appropriately provide information related to vulnerability that may be included in a container as a transmission target, a transmission apparatus 100a includes an information obtaining unit 131 configured to obtain information related to a change-prohibited region included in a container 2 to be transmitted, information indicating that the change-prohibited region has not been changed, and information related to vulnerability inspection for the change-prohibited region, and a transmission processing unit 133 configured to include, in the container 2, the information related to the change-prohibited region, the information indicating that the change-prohibited region has not been changed, and the information related to the vulnerability inspection for the change-prohibited region, and transmit the container 2.
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公开(公告)号：US11372839B2
公开(公告)日：2022-06-28
申请号：US15779580
申请日：2016-12-01
Applicant: NEC Corporation
Inventor： Junpei Kamimura , Koji Kida , Kazuhiko Isoyama , Yuji Kobayashi , Hiroki Tagato , Etsuko Ichihara , Yoshiaki Sakae
IPC: G06F16/23 , G06F16/901
Abstract: The purpose of the present invention is to provide a technology which assists a verifying party in ascertaining an anomaly in an event of which notification has been made. Provided is an assistance device, comprising: an acquisition unit which acquires as an associated event, from among events which take place among a plurality of elements, and with respect to elements which have been associated with an event which has been detected as an anomalous event, an event other than the anomalous event which has been associated with the elements; and a generating unit which, on the basis of the anomalous event and the associated event, generates a relational graph in which the elements are vertices, the relations among the elements are edges, the anomalous event and the associated event are respectively represented, and the associated event is displayed in a display screen in a different manner from the manner in which the anomalous event is displayed.
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公开(公告)号：US10887331B2
公开(公告)日：2021-01-05
申请号：US15126920
申请日：2014-06-17
Applicant: NEC Corporation
Inventor： Takashi Nomura , Koji Kida , Junpei Kamimura , Yoshiaki Sakae , Etsuko Katsuda , Kazuhiko Isoyama , Kentaro Yamasaki , Yuji Kobayashi
Abstract: An information processing apparatus includes: a reach-extent extraction unit configured to extract, with use of a relationship graph representing relationships between a plurality of elements included in a system and location information that indicates, on the relationship graph, a plurality of locations in the system where anomalies have been detected, paths in the relationship graph as being reach extents, the path including a set of the elements that are directly or indirectly related to each of the plurality of locations as a source; and a shared-extent extraction unit configured to extract an influence process of an anomaly by extracting an extent that is shared in at least a prescribed number of paths among paths in the relationship graph that have been extracted as the reach extents.
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公开(公告)号：US12263849B2
公开(公告)日：2025-04-01
申请号：US17961169
申请日：2022-10-06
Applicant: NEC Laboratories America, Inc. , NEC Corporation
Inventor： LuAn Tang , Yuncong Chen , Wei Cheng , Zhengzhang Chen , Haifeng Chen , Yuji Kobayashi , Yuxiang Ren
Abstract: Systems and methods for data fusion and analysis of vehicle sensor data, including receiving a multiple modality input data stream from a plurality of different types of vehicle sensors, determining latent features by extracting modality-specific features from the input data stream, and aligning a distribution of the latent features of different modalities by feature-level data fusion. Classification probabilities can be determined for the latent features using a fused modality scene classifier. A tree-organized neural network can be trained to determine path probabilities and issue driving pattern judgments, with the tree-organized neural network including a soft tree model and a hard decision leaf. One or more driving pattern judgments can be issued based on a probability of possible driving patterns derived from the modality-specific features.
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公开(公告)号：US12205418B2
公开(公告)日：2025-01-21
申请号：US17464056
申请日：2021-09-01
Applicant: NEC Laboratories America, Inc. , NEC Corporation
Inventor： Luan Tang , Wei Cheng , Haifeng Chen , Yuji Kobayashi , Zhengzhang Chen
Abstract: A method for early warning is provided. The method clusters normal historical data of normal cars into groups based on the car subsystem to which they belong. The method extracts (i) features based on group membership and (ii) feature correlations based on correlation graphs formed from the groups. The method trains an Auto-Encoder and Auto Decoder (AE&AD) model based on the features and the feature correlations to reconstruct the normal historical data with minimum reconstruction errors. The method reconstructs, using the trained AE&AD model, historical data of specific car fault types with reconstruction errors, normalizes the reconstruction errors, and selects features of the car faults with a top k large errors as fault signatures. The method reconstructs streaming data of monitored cars using the trained AE&AD model to determine streaming reconstruction errors, comparing the streaming reconstruction errors with the fault signatures to predict and provide alerts for impending known faults.
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Patent Agency Ranking
公开(公告)号：US20240104344A1
公开(公告)日：2024-03-28
申请号：US18467069
申请日：2023-09-14
Applicant: NEC Laboratories America, Inc. , NEC Corporation
Inventor： LuAn Tang , Peng Yuan , Yuncong Chen , Haifeng Chen , Yuji Kobayashi , Jiafan He
IPC: G06N3/0442
CPC classification number: G06N3/0442
Abstract: Methods and systems for training a model include distinguishing hidden states of a monitored system based on condition information. An encoder and decoder are generated for each respective hidden state using forward and backward autoencoder losses. A hybrid hidden state is determined for an input sequence based on the hidden states. The input sequence is reconstructed using the encoders and decoders and the hybrid hidden state. Parameters of the encoders and decoders are updated based on a reconstruction loss.
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公开(公告)号：US20230112441A1
公开(公告)日：2023-04-13
申请号：US17961169
申请日：2022-10-06
Applicant: NEC Laboratories America, Inc. , NEC Corporation
Inventor： LuAn Tang , Yuncong Chen , Wei Cheng , Zhengzhang Chen , Haifeng Chen , Yuji Kobayashi , Yuxiang Ren
Abstract: Systems and methods for data fusion and analysis of vehicle sensor data, including receiving a multiple modality input data stream from a plurality of different types of vehicle sensors, determining latent features by extracting modality-specific features from the input data stream, and aligning a distribution of the latent features of different modalities by feature-level data fusion. Classification probabilities can be determined for the latent features using a fused modality scene classifier. A tree-organized neural network can be trained to determine path probabilities and issue driving pattern judgments, with the tree-organized neural network including a soft tree model and a hard decision leaf. One or more driving pattern judgments can be issued based on a probability of possible driving patterns derived from the modality-specific features.
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18.发明授权公开(公告)号：US10909014B2
公开(公告)日：2021-02-02
申请号：US16487169
申请日：2018-02-19
Applicant: NEC CORPORATION
Inventor： Shuichi Karino , Kazuhiko Isoyama , Yuji Kobayashi , Yoshiaki Sakae , Hiroki Tagato , Masato Yasuda
Abstract: Provided is an information processing device which is capable of suppressing a deterioration in accuracy of detecting an anomaly and accuracy of analyzing the anomaly, while suppressing an increase in an amount of data to be stored. The information processing system includes anomaly detection unit that collects event data indicating a predetermined event detected in a process of a device to be monitored, determines whether a predetermined index value related to the event exceeds a preset first threshold, and instructs enhanced monitoring of the device to be monitored and the process related to the event when the index value exceeds the first threshold, and collection instruction unit that determines an additional event being an event to be additionally monitored when the enhanced monitoring is instructed, and instructs the device to be monitored, which is subjected to the enhanced monitoring, to monitor the determined additional event.
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公开(公告)号：US10789118B2
公开(公告)日：2020-09-29
申请号：US15127354
申请日：2015-03-18
Applicant: NEC Corporation
Inventor： Takashi Nomura , Koji Kida , Junpei Kamimura , Yoshiaki Sakae , Etsuko Katsuda , Kazuhiko Isoyama , Kentaro Yamasaki , Yuji Kobayashi
Abstract: The present invention provides an information processing device that improves the detectability of system errors. This information processing device includes: a means that generates a state graph based on relationship change information indicating a change in the relationship between a plurality of elements included in a system, the state graph having the elements as the vertices thereof and the relationship between the elements as the sides thereof; a means that generates a normal model having the state graph as a set of conditions to be fulfilled during normal system operation, based on the relationship change information; and a means that detects system errors and outputs error information indicating detected errors, based on the state graph and the normal model.
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20.发明授权公开(公告)号：US10416832B2
公开(公告)日：2019-09-17
申请号：US15508546
申请日：2015-09-07
Applicant: NEC Corporation
Inventor： Kazuhiko Isoyama , Etsuko Ichihara , Junpei Kamimura , Yoshiaki Sakae , Yuji Kobayashi , Takashi Nomura , Koji Kida
Abstract: Disclosed are a display device, etc. which display information in a display format that provides high visibility. The display device 201 comprises a display unit 202 which displays first nodes, each representing a different communication entity with communication capabilities, or second nodes, each representing a different group of a plurality of communication entities, around a first region, and which shows communications being carried out between first and second nodes, between a plurality of first nodes, or between a plurality of second nodes, in a display format in which the connections between these communicating nodes are indicated within the first region.
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