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公开(公告)号:US10347007B2
公开(公告)日:2019-07-09
申请号:US15711214
申请日:2017-09-21
Applicant: NEC Laboratories America, Inc.
Inventor: Samuel Schulter , Wongun Choi , Bharat Singh , Manmohan Chandraker
IPC: G06K9/00 , G06T7/73 , G06T7/20 , B60W30/09 , B60W30/095 , G06T7/292 , G06T7/246 , G06F3/0482 , G08B21/02 , G06K9/32 , G06T9/00 , G06N3/02
Abstract: A system and method are provided. The system includes an image capture device configured to capture a video sequence formed from a set of input image frames and including a set of objects. The system further includes a processor configured to detect the objects to form object detections and track the object detections over the input frames to form tracked detections. The processor is also configured to generate for a current input frame, responsive to conditions, a set of sparse object proposals for a current location of an object based on: (i) the tracked detections of the object from an immediately previous input frame; and (ii) detection proposals for the object derived from the current frame. The processor is additionally configured to provide a user perceptible indication of the current location of the object, based on the set of sparse object proposals.
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公开(公告)号:US10346655B2
公开(公告)日:2019-07-09
申请号:US15833995
申请日:2017-12-06
Applicant: NEC Laboratories America, Inc.
Inventor: Eugene Chai , Swadhin Pradhan , Sampath Rangarajan , Mohammad Khojastepour , Karthikeyan Sundaresan
Abstract: Aspects of the present disclosure describe a battery-free touch sensing user interface (UI) for Internet of Things (IoT) and other smart spaces employing Radio Frequency Identification (RFID) readers and tags that we call RIO. With RIO, any surface may be a touch-aware surface by attaching RFID tag(s) thereto. RIO advantageously supports custom-designed RFID tags and therefore facilitates customized UIs to be easily deployed in a real-world environment. RIO employs impedance tracking that results from a human finger—or other appendage—touching a surface of an RFID tag, thereby changing a characteristic impedance of the RFID tag antenna. This change manifests as a change in the phase of the RFID backscattered signal and is advantageously used by RIO to track fine-grained touch movement over the RFID tag. Disclosed further are multi-tag environments in which RIO operates and demonstrations including continuous tracking of finger movement during a swipe to within 3 mm of its actual position.
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公开(公告)号:US10339671B2
公开(公告)日:2019-07-02
申请号:US15711373
申请日:2017-09-21
Applicant: NEC Laboratories America, Inc.
Inventor: Samuel Schulter , Wongun Choi , Bharat Singh , Manmohan Chandraker
IPC: G06K9/00 , G06T7/73 , G06T7/20 , B60W30/09 , B60W30/095 , G06T7/292 , G06T7/246 , G06F3/0482 , G08B21/02 , G06K9/32 , G06T9/00 , G06N3/02
Abstract: An action recognition system and method are provided. The system includes an image capture device configured to capture a video sequence formed from image frames and depicting a set of objects. The system includes a processor configured to detect the objects to form object detections. The processor is configured to track the object detections over the frames to form tracked detections. The processor is configured to generate for a current frame, responsive to conditions, sparse object proposals for a current location of an object based on: (i) the tracked detections of the object from an immediately previous frame; and (ii) detection proposals for the object derived from the current frame. The processor is configured to control a hardware device to perform a response action in response to an identification of an action type of an action performed by the object, the identification being based on the sparse object proposals.
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664.
公开(公告)号:US10334616B2
公开(公告)日:2019-06-25
申请号:US15583247
申请日:2017-05-01
Applicant: NEC Laboratories America, Inc. , NEC Corporation
Inventor: Narayan Prasad , Sampath Rangarajan , Patricia Wells , Robert Arnott
Abstract: Methods and a system are provided for enhanced long-term evolution scheduling. A ranking is constructed for one or more users scheduled on one or more resource blocks. A layer mapping is generated, using a finite modulation and coding scheme, utilizing the ranking of each of the one or more users for the one or more resource blocks. An enhanced ranking is determined, using a finite constraint on a buffer for each of the one or more users, for the one or more resource blocks utilizing the layer mapping. The enhanced ranking is deployed into a schedule for the one or more resource blocks being utilized by each of the one or more users. Bandwidth usage is optimized in the one or more resource blocks by utilizing the schedule.
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公开(公告)号:US10333805B2
公开(公告)日:2019-06-25
申请号:US15956392
申请日:2018-04-18
Applicant: NEC Laboratories America, Inc.
Inventor: Biplob Debnath , Hui Zhang
Abstract: A computer-implemented method for generating patterns from a set of heterogeneous log messages is presented. The method includes collecting the set of heterogenous log messages from arbitrary or unknown systems or applications or sensors or instruments, splitting the log messages into tokens based on a set of delimiters, identifying datatypes of the tokens, identifying a log structure of the log messages by generating pattern-signatures of all the tokens and the datatypes based on predefined pattern settings, generating a pattern for each of the log structures and enabling users to edit the pattern for each of the log structures based on user requirements.
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公开(公告)号:US10333618B2
公开(公告)日:2019-06-25
申请号:US15964815
申请日:2018-04-27
Applicant: NEC Laboratories America, Inc.
Inventor: Ivan Djordjevic , Shaoliang Zhang , Ting Wang
IPC: H04B10/112 , H03M13/11 , H04L1/00 , H04L27/36 , H03M13/25 , G02B6/028 , H04B10/11 , H04B10/516 , H04L29/06 , H03M13/37 , H04B10/2581 , H04J14/04
Abstract: Aspects of the present disclosure describe systems, methods, and structures for physical layer security using hybrid free-space optical and terahertz transmission technologies that advantageously overcome atmospheric characteristics that infirmed the prior art.
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公开(公告)号:US10332264B2
公开(公告)日:2019-06-25
申请号:US15695565
申请日:2017-09-05
Applicant: NEC Laboratories America, Inc.
Inventor: Samuel Schulter , Wongun Choi , Paul Vernaza , Manmohan Chandraker
Abstract: A multi-object tracking system and method are provided. The multi-object tracking system includes at least one camera configured to capture a set of input images of a set of objects to be tracked. The multi-object tracking system further includes a memory storing a learning model configured to perform multi-object tracking by jointly learning arbitrarily parameterized and differentiable cost functions for all variables in a linear program that associates object detections with bounding boxes to form trajectories. The multi-object tracking system also includes a processor configured to (i) detect the objects and track locations of the objects by applying the learning model to the set of input images in a multi-object tracking task, and (ii), provide a listing of the objects and the locations of the objects for the multi-object tracking task. A bi-level optimization is used to minimize a loss defined on a solution of the linear program.
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公开(公告)号:US20190163552A1
公开(公告)日:2019-05-30
申请号:US16200950
申请日:2018-11-27
Applicant: NEC Laboratories America, Inc.
Inventor: Jianwu Xu , Hui Zhang , Haifeng Chen , Tanay Kumar Saha
Abstract: Systems and methods for contextual event sequence analysis of system failure that analyzes heterogeneous system event record logs are disclosed. The disclosure relates to analyzing event sequences for system failure in ICT and other computerized systems and determining their causes and propagation chains.
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公开(公告)号:US10305917B2
公开(公告)日:2019-05-28
申请号:US15213896
申请日:2016-07-19
Applicant: NEC Laboratories America, Inc.
Inventor: Zhengzhang Chen , LuAn Tang , Boxiang Dong , Guofei Jiang , Haifeng Chen
Abstract: Methods and systems for detecting malicious processes include modeling system data as a graph comprising vertices that represent system entities and edges that represent events between respective system entities. Each edge has one or more timestamps corresponding respective events between two system entities. A set of valid path patterns that relate to potential attacks is generated. One or more event sequences in the system are determined to be suspicious based on the graph and the valid path patterns using a random walk on the graph.
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670.
公开(公告)号:US10304008B2
公开(公告)日:2019-05-28
申请号:US15063236
申请日:2016-03-07
Applicant: NEC Laboratories America, Inc.
Inventor: Renqiang Min , Dongjin Song
Abstract: Systems and methods are disclosed for operating a machine, by receiving training data from one or more sensors; training a machine learning module with the training data by: partitioning a data matrix into smaller submatrices to process in parallel and optimized for each processing node; for each submatrix, performing a greedy search for rank-one solutions; using alternating direction method of multipliers (ADMM) to ensure consistency over different data blocks; and controlling one or more actuators using live data and the learned module during operation.
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