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71.发明公开公开(公告)号：US20240203126A1
公开(公告)日：2024-06-20
申请号：US18530332
申请日：2023-12-06
CPC classification number: G06V20/52 , G06V20/64 , G06V2201/07
Abstract: An intelligent passenger inspection channel system and method are provided. The system includes: a passenger entrance device; a first camera, provided at the passenger entrance device for capturing a first image of a number of passengers going to pass through the device; a luggage inspection device; a second camera, provided at an entrance of the luggage inspection device for capturing a second image of a luggage entering the entrance and a corresponding passenger; a third camera, provided at an exit of the luggage inspection device for capturing a third image of a luggage leaving the exit and a corresponding passenger; a personnel security inspection device; a fifth camera, provided at the personnel security inspection device for capturing a fifth image of an inspector's inspection behavior; and a sixth camera, provided in a passenger inspection channel for capturing a sixth image of an entire travel of a passenger within the channel.
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公开(公告)号：US20240176039A1
公开(公告)日：2024-05-30
申请号：US18551578
申请日：2022-01-25
Applicant: NUCTECH COMPANY LIMITED , Tsinghua University
Inventor： Li ZHANG , Zhiqiang CHEN , Yi CHENG , Qingping HUANG , Mingzhi HONG , Lei ZHENG
IPC: G01V5/226
CPC classification number: G01V5/226
Abstract: A vehicle-mounted security inspection system includes a mobile chassis. A first cabin provided on the mobile chassis includes an object security inspection apparatus, which is used to perform a security inspection on an object. A second cabin provided on the mobile chassis includes a human body security inspection apparatus which is used to perform a security inspection on a human body. The second cabin is flexibly connected to the first cabin, so that in a first state, the second cabin is located at one end of the first cabin in a longitudinal direction of the mobile chassis, and in a second state, the second cabin is located on one side of the first cabin in the longitudinal direction of the mobile chassis.
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公开(公告)号：US20240156293A1
公开(公告)日：2024-05-16
申请号：US18284026
申请日：2022-01-11
Applicant: Tsinghua University , NUCTECH COMPANY LIMITED
Inventor： Li ZHANG , Zhiqiang CHEN , Qingping HUANG , Jinning LIANG , Mingzhi HONG , Yi CHENG , Minghua QIU , Yao ZHANG , Jianxue YANG , Lei ZHENG
CPC classification number: A47H5/02 , A47H1/104 , H05K9/0018
Abstract: A radiographic inspection device and a method of inspecting an object are provided. The radiographic inspection device includes: a support frame, where an inspection space applicable to inspect an object is formed within the support frame, and the inspection space has an entrance and an exit which are connecting to an outside; a transfer channel applicable to carry the object to move through the inspection space; a first shielding curtain and a second shielding curtain respectively mounted at the entrance and the exit; and a driving mechanism mounted on the support frame and configured to drive at least one of the first shielding curtain and the second shielding curtain to move, in response to the object getting close to or moving away from at least one of the entrance and the exit, so as to open or close the at least one of the entrance or the exit.
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74.发明公开公开(公告)号：US20240104884A1
公开(公告)日：2024-03-28
申请号：US18013104
申请日：2022-10-08
Applicant: NUCTECH COMPANY LIMITED
Inventor： Li ZHANG , Zhiqiang CHEN , Ming CHANG , Xin JIN , Qingping HUANG , Xiaofei XU , Mingzhi HONG , Liguo ZHANG
Abstract: A method of acquiring feature information of a detected object is provided, including: controlling the detected object to pass through a detection apparatus; controlling an imaging system to perform radiation scanning on the detected object acquiring a radiation scanning image of the detected object acquiring feature information of the detected object through the radiation scanning image. The detected object includes a first part, a detection part and a second part sequentially in a first direction. The acquiring feature information of the detected object through the radiation scanning image includes: acquiring a first boundary line between the detection part and the first part and a second boundary line between the detection part and the second part through the radiation scanning image; and calculating a dimension between the first boundary line and the second boundary line in the first direction to acquire a dimension of the detection part in the first direction.
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75.发明公开公开(公告)号：US20230144259A1
公开(公告)日：2023-05-11
申请号：US18052671
申请日：2022-11-04
Applicant: Nuctech Company Limited , Tsinghua University
Inventor： Zhiqiang CHEN , Li ZHANG , Yunda SUN , Zhenhua ZHAO , Xin JIN , Le SHEN , Wuyang LIANG
IPC: G01N23/046 , G06T11/00 , G01N23/083
CPC classification number: G01N23/046 , G06T11/005 , G01N23/083 , G01N2223/643 , G01N2223/04 , G01N2223/419
Abstract: The method includes: receiving an encoder signal and a ray machine output beam signal, and initially synchronizing the encoder signal and the ray machine output beam signal; recording coded value M of the encoder at moment tm, and coded value N of the encoder at moment tm+1, where M, N, and m are integers; determining that duration from the moment tm to the moment tm+1 is an actual output beam time interval T of the ray machine, when it is determined that a difference value between the coded value M and the coded value N satisfies preset value a, a being an integer; determining gap time TG in the actual output beam time interval T based on a preset output beam time interval TJ of the imaging system and the actual output beam time interval T; and controlling the ray machine not to emit beam within the gap time TG.
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Patent Agency Ranking
公开(公告)号：US20220357288A1
公开(公告)日：2022-11-10
申请号：US17661257
申请日：2022-04-28
Applicant: Tsinghua University , Nuctech Company Limited
Inventor： Zhiqiang CHEN , Li ZHANG , Qingping HUANG , Yong ZHOU , Hui DING , Chao JI
IPC: G01N23/046 , G01N33/12 , G01N23/083
Abstract: The present disclosure relates to a static CT detection device, including: a shielding body, formed with a detection channel through which an object under detection can pass; a ray source, emitting rays for detecting the object under detection when the object under detection passes through the detection channel; and a detector, for acquiring the rays emitted by the ray source and having passed through the detection channel, wherein the shielding body is formed with an opening portion, and the opening portion extends from an inlet of the detection channel to an outlet of the detection channel.
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公开(公告)号：US20220127080A1
公开(公告)日：2022-04-28
申请号：US17511874
申请日：2021-10-27
Applicant: Nuctech Company Limited , Tsinghua University
Inventor： Zhiqiang CHEN , Li ZHANG , Jinning LIANG , Qingping HUANG , Mingzhi HONG , Yanhua LU , Bo LI , Yue LI , Majie WENG
Abstract: An automatically tray feeding device includes: at least one conveying mechanism configured to convey a tray at different heights; at least one lifting mechanism configured to move the tray on a conveying mechanism at a first height to a conveying mechanism at a second height different from the first height; and a sorting table frame configured to carry the at least one conveying mechanism and the at least one lifting mechanism.
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公开(公告)号：US20200210785A1
公开(公告)日：2020-07-02
申请号：US16725926
申请日：2019-12-23
Applicant: Nuctech Company Limited , Tsinghua University
Inventor： Yanjie YAO , Yongchun LIU , Yan ZHANG , Ziran ZHAO , Li ZHANG , Yuxiang XING
Abstract: Empty container identification method and system are disclosed. The method includes: obtaining customs declaration information, and finding out an vehicle declared as an empty container or an empty vehicle from the customs declaration information; performing X-ray inspection on the vehicle to acquire a transmission image of the vehicle; inputting the transmission image into an empty container identification model obtained by pre-training, so that the empty container identification model determines candidate regions of the transmission image, and performs post-processing analysis on the candidate regions to obtain an image identification result; and comparing the image identification result with the corresponding customs declaration information to determine whether or not the image identification result is consistent with the customs declaration information.
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公开(公告)号：US20200025545A1
公开(公告)日：2020-01-23
申请号：US16214677
申请日：2018-12-10
Applicant: Nuctech Company Limited , TSINGHUA UNIVERSITY
Inventor： Li ZHANG , Gang PENG , Qingping HUANG , Jianqing DOU , Yandi WANG , Kun YANG
Abstract: The present disclosure provides an intelligent explosion-proof table, including a worktable, an explosion-proof box; the worktable has a window passing through in the vertical direction. The explosion-proof box with an open top is arranged under the window of the worktable. A lifting plate which can be moved up and down and a support mechanism for driving the lifting plate to be lifted are provided inside the explosion-proof box. The lifting plate is used for placing a danger source and matches with the window and is capable of being raised into the window.
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公开(公告)号：US20190196050A1
公开(公告)日：2019-06-27
申请号：US16233387
申请日：2018-12-27
Applicant: TSINGHUA UNIVERSITY , Nuctech Company Limited
Inventor： Ying LI , Jianmin LI , Jinguo CAO , Yuan MA , Yulan LI , Yuan HE , Yuanjing LI , Hui MENG , Zhiqiang CHEN , Yiwei GUO , Li ZHANG
CPC classification number: G01V5/005 , G01V5/0016 , G06K9/00832
Abstract: A vehicle detection system includes a transverse detector arm, two vertical detector arms, a radiation source, a plurality of transverse detectors, and a plurality of vertical detectors. The transverse detector arm may be disposed on the ground. Two vertical detector arms are disposed at both ends of the transverse detector arm. The radiation source is located above the transverse detector arm. A plurality of transverse detectors are disposed within the transverse detector arm and are laid along a length direction of the transverse detector arm for receiving ray emitted by the radiation source. The plurality of vertical detectors are symmetrically disposed on the two vertical detector arms, and each of the vertical detectors is disposed towards a center point of the radiation source for receiving ray emitted by the radiation source.
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