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公开(公告)号：US20210378520A1
公开(公告)日：2021-12-09
申请号：US17325613
申请日：2021-05-20
Applicant: NEC Laboratories America, Inc.
Inventor： Kunal Rao , Giuseppe Coviello , Min Feng , Biplob Debnath , Wang-pin Hsiung , Murugan Sankaradas , Srimat Chakradhar , Yi Yang , Oliver Po , Utsav Drolia
Abstract: A method for free flow fever screening is presented. The method includes capturing a plurality of frames from thermal data streams and visual data streams related to a same scene to define thermal data frames and visual data frames, detecting and tracking a plurality of individuals moving in a free-flow setting within the visual data frames, and generating a tracking identification for each individual of the plurality of individuals present in a field-of-view of the one or more cameras across several frames of the plurality of frames. The method further includes fusing the thermal data frames and the visual data frames, measuring, by a fever-screener, a temperature of each individual of the plurality of individuals within and across the plurality of frames derived from the thermal data streams and the visual data streams, and generating a notification when a temperature of an individual exceeds a predetermined threshold temperature.
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公开(公告)号：US20200293758A1
公开(公告)日：2020-09-17
申请号：US16810061
申请日：2020-03-05
Applicant: NEC Laboratories America, Inc.
Inventor： Biplob Debnath , Erik Kruus , Murugan Sankaradas , Srimat Chakradhar
Abstract: A computer-implemented method for emulating an object recognizer includes receiving testing image data, and emulating, by employing a first object recognizer, a second object recognizer. Emulating the second object recognizer includes using the first object recognizer to perform object recognition on a testing object from the testing image data to generate data, the data including a feature representation for the testing object, and classifying the testing object based on the feature representation and a machine learning model configured to predict whether the testing object would be recognized by a second object recognizer. The method further includes triggering an action to be performed based on the classification.
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公开(公告)号：US20250159339A1
公开(公告)日：2025-05-15
申请号：US18945989
申请日：2024-11-13
Applicant: NEC Laboratories America, Inc.
Inventor： Murugan Sankaradas , Srimat Chakradhar , Ravi Kailasam Rajendran , Qiang Xu
IPC: H04N23/661 , G06T7/00 , G06T11/00
Abstract: Systems and methods for optimizing edge-assisted augmented reality (AR) devices. To optimize the AR devices, frame capture timings of AR devices can be profiled that capture relationships between the AR devices. Requests from the AR devices can be analyzed to determine accuracy of the frame capture timings of the AR devices based on a service level objective (SLO) metric. A frame timing plan that minimizes overall timing changes of the AR devices can be determined by adapting the accuracy of the frame capture timings to optimal adjustments generated based on a change in device metrics for requests below an accuracy threshold. Current frame capture timings of cameras of the AR devices can be adjusted based on the frame timing plan by generating a response pocket for the AR devices.
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公开(公告)号：US12136255B2
公开(公告)日：2024-11-05
申请号：US17577664
申请日：2022-01-18
Applicant: NEC Laboratories America, Inc.
Inventor： Yi Yang , Murugan Sankaradas , Srimat Chakradhar
IPC: G06K9/00 , G06V10/774 , H04L67/00 , H04L67/01
Abstract: A method for employing a semi-supervised learning approach to improve accuracy of a small model on an edge device is presented. The method includes collecting a plurality of frames from a plurality of video streams generated from a plurality of cameras, each camera associated with a respective small model, each small model deployed in the edge device, sampling the plurality of frames to define sampled frames, performing inference to the sampled frames by using a big model, the big model shared by all of the plurality of cameras and deployed in a cloud or cloud edge, using the big model to generate labels for each of the sampled frames to generate training data, and training each of the small models with the training data to generate updated small models on the edge device.
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公开(公告)号：US20240147054A1
公开(公告)日：2024-05-02
申请号：US18495064
申请日：2023-10-26
Applicant: NEC Laboratories America, Inc.
Inventor： Kunal Rao , Sibendu Paul , Giuseppe Coviello , Murugan Sankaradas , Oliver Po , Srimat Chakradhar
IPC: H04N23/60
Abstract: Methods and systems for camera configuration include configuring an image capture configuration parameter of a camera according to a multi-objective reinforcement learning aggregated reward function. Respective quality estimates for analytics are determined after configuring the image capture parameters. The aggregated reward function is updated based on the quality estimates.
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Patent Agency Ranking
公开(公告)号：US11169785B2
公开(公告)日：2021-11-09
申请号：US16812792
申请日：2020-03-09
Applicant: NEC Laboratories America, Inc.
Inventor： Giuseppe Coviello , Kunal Rao , Srimat Chakradhar , Min Feng , Yi Yang , Murugan Sankaradas
Abstract: Systems and methods to specify and execute real-time streaming applications are provided. The method includes specifying an application topology for an application including spouts, bolts, connections, a global hash table, and a topology manager. Each spout receives input data and each bolt transforms the input data, the global hash table allows in memory communication between each spout and bolt to others of the spouts and the bolts. The topology manager manages the application topology. The method includes compiling the application into a shared or static library for applications, and exporting a special symbol associated with the application. The runtime system can be used to retrieve the application topology from the shared or static library based on the special symbol and execute the application topology on a single node or distribute across multiple nodes.
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公开(公告)号：US20210264621A1
公开(公告)日：2021-08-26
申请号：US17178570
申请日：2021-02-18
Applicant: NEC Laboratories America, Inc.
Inventor： Kunal Rao , Utsav Drolia , Murugan Sankaradas , Srimat Chakradhar
Abstract: A method for tracing individuals through physical spaces that includes registering cameras in groupings relating a physical space. The method further includes performing local video monitoring including a video sensor input that outputs frames from inputs from recording with the cameras in the groupings, a face detection application for extracting faces from the output frames, and a face matching application for matching faces extracted from the output frames to a watchlist, and a local movement monitor that assigns tracks to the matched faces. The method further includes performing a global monitor including a biometrics monitor for preparing the watchlist of faces, the watchlist of faces being updated when a new face is detected by the cameras in the groupings, and a global movement monitor that combines the outputs from the assigned tracks to the matched faces to launch a report regarding individual population traveling to the physical spaces.
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公开(公告)号：US20210264165A1
公开(公告)日：2021-08-26
申请号：US17178507
申请日：2021-02-18
Applicant: NEC Laboratories America, Inc.
Inventor： Kunal Rao , Utsav Drolia , Murugan Sankaradas , Srimat Chakradhar
Abstract: Systems and methods for determining dwell time is provided. The method includes receiving images of an area including one or more people from one or more cameras, and detecting a presence of each of the one or more people in the received images using a worker. The method further includes receiving by the worker digital facial features stored in a watch list from a master controller, and performing facial recognition and monitoring the dwell time of each of the one or more people. The method further includes determining if each of the one or more people is in the watch list or has exceeded a dwell time threshold.
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19.发明申请公开(公告)号：US20200293370A1
公开(公告)日：2020-09-17
申请号：US16809192
申请日：2020-03-04
Applicant: NEC Laboratories America, Inc.
Inventor： Kunal Rao , Yi Yang , Srimat Chakradhar , Giuseppe Coviello , Min Feng , Murugan Sankaradas
IPC: G06F9/48 , G06F9/4401 , G06F9/30 , G06F9/50
Abstract: A computer-implemented method includes obtaining a usecase specification and a usecase runtime specification corresponding to the usecase. The usecase includes a plurality of applications each being associated with a micro-service providing a corresponding functionality within the usecase for performing a task. The method further includes managing execution of the usecase within a runtime system based on the usecase and usecase runtime specifications to perform the task by serving an on-demand query and dynamically scaling resources based on the on-demand query, including using a batch helper server to employ the usecase specification to load dynamic application instances and connect the dynamic application instances to existing instances, and employ a batch helper configuration to load nodes/machines for execution of the on-demand query.
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20.发明申请WiFi-Based Indoor Positioning and Navigation as a New Mode in Multimodal Transit Applications 有权基于WiFi的室内定位和导航作为多模态传输应用中的新模式公开(公告)号：US20160298978A1
公开(公告)日：2016-10-13
申请号：US15088352
申请日：2016-04-01
Applicant: NEC Laboratories America, Inc.
Inventor： Murugan Sankaradas , Kunal Rao , Srimat Chakradhar
IPC: G01C21/34
CPC classification number: G01C21/3423
Abstract: A system for planning a trip includes heterogeneous data sources including map data, traffic information, vehicle trace data, weather reports, social media data, commuter feedback data, GIS data, travel time data; a stream analytics engine coupled to the heterogeneous data sources; a batch analytics engine coupled to the heterogeneous data sources; and a multi-modal journey planner coupled to the stream analytics engine and the batch analytics engine, the multi-modal journey planner processing indoor travel information and providing real-time updates while a journey is under progress, the multi-modal journey planner providing a journey time forecast as the journey time reflects indoor travel time.
Abstract translation: 用于规划旅程的系统包括异构数据源，包括地图数据，交通信息，车辆跟踪数据，天气报告，社交媒体数据，通勤反馈数据，GIS数据，旅行时间数据; 耦合到异构数据源的流分析引擎; 耦合到异构数据源的批量分析引擎; 多模式旅程计划器与流分析引擎和批量分析引擎相结合，多模式旅程计划程序处理室内旅行信息，并在旅途中提供实时更新，多模式旅程计划提供 旅行时间预测作为旅途时间反映室内旅行时间。
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