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Patent Agency Ranking
公开(公告)号：WO2021236539A1
公开(公告)日：2021-11-25
申请号：PCT/US2021/032804
申请日：2021-05-17
Applicant: NEC LABORATORIES AMERICA, INC.
Inventor： FANG, Jian , WANG, Ting
Abstract: Aspects of the present disclosure describe systems, methods, and structures for distributed temperature sensing that employ joint wavelet denoising to achieve desirable signal-to-noise ratio(s) over extended sensor fiber distances.
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公开(公告)号：WO2021119364A1
公开(公告)日：2021-06-17
申请号：PCT/US2020/064386
申请日：2020-12-10
Applicant: NEC LABORATORIES AMERICA, INC.
Inventor： FANG, Jian , LI, Yaowen , WANG, Ting
Abstract: Aspects of the present disclosure describe systems, methods and structures providing bipolar cyclic coding for Brillouin optical time domain analysis that may be employed for example to determine high accuracy temperature and/or strain measurements along an optical fiber. Systems, methods, and structures according to the present disclosure employ the bipolar cyclic coding technique that advantageously overcomes the problems that plague the prior art and provides extended sensing range resulting from superior signal-to-noise characteristics
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公开(公告)号：WO2021243029A1
公开(公告)日：2021-12-02
申请号：PCT/US2021/034528
申请日：2021-05-27
Applicant: NEC LABORATORIES AMERICA, INC.
Inventor： CHANDRAKER, Manmohan , WANG, Ting , XU, Xiang , PITTALUGA, Francesco , SHARMA, Gaurav , TSAI, Yi-Hsuan , FARAKI, Masoud , CHEN, Yuheng , TIAN, Yue , HUANG, Ming-Fang , FANG, Jian
Abstract: Methods and systems for training a neural network include generating (801) an image of a mask. A copy of an image is generated (302) from an original set of training data. The copy is altered (302) to add the image of a mask to a face detected within the copy. An augmented set of training data is generated (302) that includes the original set of training data and the altered copy. A neural network model is trained (304) to recognize masked faces using the augmented set of training data.
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4.发明申请
公开(公告)号：WO2023069333A1
公开(公告)日：2023-04-27
申请号：PCT/US2022/046815
申请日：2022-10-17
Applicant: NEC LABORATORIES AMERICA, INC.
Inventor： FANG, Jian , WANG, Ting
Abstract: Aspects of the present disclosure describe Rayleigh-based DTSS that utilizes few-mode fiber (FMF), which supports multiple spatial modes. For each spatial mode, a wavelength-scanning configuration gives the relative wavelength (or frequency) shift between two consecutive measurements. The temperature and strain changes can therefore be separated through different temperature/strain sensitivities of various mode-pairs. Advantageously, Rayleigh-based DTSS according to aspects of the present disclosure removes temperature-strain ambiguity, enhances measurement accuracy, reduces errors, and enables new features for multi-parameter sensing.
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公开(公告)号：WO2022170141A1
公开(公告)日：2022-08-11
申请号：PCT/US2022/015373
申请日：2022-02-04
Applicant: NEC LABORATORIES AMERICA, INC.
Inventor： WANG, Qiang , HU, Junqiang , FANG, Jian , LI, Yaowen , WANG, Ting
Abstract: Physimetric-based data security for coded distributed temperature sensing (DTS) in which physimetric information is extracted from a coded-DTS interrogator which is unique for each interrogator at each operating run time and used to reconstruct a final temperature determination from DTS data. The physimetric information includes coded-DTS pulse code and coded-DTS pulse profile information as a key to permit secure sharing with authorized users. The pulse code and pulse profile information are encrypted and made available to an authorized user. The authorized user can then decrypt the pulse code and pulse profile information and subsequently use this key information (pulse profile and pulse code files) to retrieve temperature information from for example, a remote computer providing a continuous raw data feed without being susceptible to eavesdropping.
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