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公开(公告)号：US10585052B2
公开(公告)日：2020-03-10
申请号：US15609012
申请日：2017-05-31
Applicant: NUCTECH COMPANY LIMITED
Inventor： Zhiqiang Chen , Ziran Zhao , Jin Cui , Dong Lin , Bin Hu , Xianshun Tan , Hong Wang
IPC: G01N23/00 , G01N23/203 , G01V5/00
Abstract: The present disclosure proposes a security inspection apparatus and method, relates to the technical field of radiation, wherein the security inspection apparatus of the disclosure includes: radiation emitting device, back-scatter detector, size-distance detecting device, orientation adjusting device; the back-scatter detector located between the radiation emitting device and an inspected object; the size-distance detecting device located between the radiation emitting device and the inspected object, for detecting a size of the inspected object and/or a distance between the inspected object and the size-distance detecting device; and the orientation adjusting device adjusts orientation of the radiation emitting device according to the size of the inspected object and/or the distance from the inspected object.
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公开(公告)号：US20180181834A1
公开(公告)日：2018-06-28
申请号：US15819559
申请日：2017-11-21
Applicant: Nuctech Company Limited
Inventor： Jin Cui , Huabin Tan , Shenglian Zhou , Zhi Peng
CPC classification number: G06K9/6215 , G06K9/00255 , G06K9/00288 , G06K9/6262 , G06K9/6277 , G06N20/00 , G06Q50/265
Abstract: Disclosed in the present disclosure are a method and an apparatus for security inspection. The method comprises: acquiring identity related information of a person being inspected, the identity related information comprising a certificate photo; acquiring a real-time facial image of the person being inspected; by comparing the real-time facial image and the certificate photo, acquiring a facial comparison similarity; dynamically determining the threshold of the facial comparison similarity; and performing a human-certificate verification on the person being inspected according to the facial comparison similarity and the threshold. The method for security inspection of the present disclosure enables the fast and accurate facial comparison of the person being inspected during security inspection.
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公开(公告)号：US20150117602A1
公开(公告)日：2015-04-30
申请号：US14525078
申请日：2014-10-27
Applicant: Nuctech Company Limited
Inventor： Zhiqiang Chen , Zhuowen Tu , Liang Li , Ziran Zhao , Duokun Zhang , Zhi Peng , Jin Cui , Dong Lin
CPC classification number: A61B6/022 , A61B6/4266 , G01V5/0058 , G06T15/08 , G06T2207/20212 , H04N13/106 , H04N2213/003
Abstract: A stereoscopic imaging system and method is disclosed. In one aspect the system includes a ray source that emits a plurality of ray fanbeams. The system includes columns of detectors. Each column of detectors is arranged at a preset angle with respect to the ray source. The detectors detect a strength of a ray fanbeam penetrating an object under inspection. The detectors form a transmission images when the object intersects, or moves along a direction intersecting with, the ray fanbeams. The system includes a reconstruction apparatus that uses any two of the formed transmission images as a binocular image. The reconstruction apparatus calculates depth information of the object on the transmission images. The reconstruction apparatus superposes and fuses the calculated depth information to obtain 3D information. The reconstruction apparatus performs 3D reconstruction so that the detected object can be presented in a stereoscopic manner from different view angles.
Abstract translation: 公开了一种立体成像系统和方法。 在一个方面，该系统包括发射多个射线扇形束的射线源。 该系统包括检测器列。 每列检测器相对于射线源以预设的角度布置。 检测器检测穿透被检查物体的射线扇形束的强度。 当物体相交时，检测器形成透射图像，或者沿着与光线扇形束交叉的方向移动。 该系统包括使用任何两个形成的透射图像作为双目图像的重建装置。 重建装置计算发送图像上的对象的深度信息。 重建装置叠加并融合计算出的深度信息以获得3D信息。 重建装置执行3D重建，使得可以以不同的视角立体呈现检测到的对象。
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公开(公告)号：US11938639B2
公开(公告)日：2024-03-26
申请号：US17333886
申请日：2021-05-28
Applicant: TSINGHUA UNIVERSITY , NUCTECH COMPANY LIMITED
Inventor： Zhiqiang Chen , Jin Cui , Bin Hu , Dong Lin , Huawei Wu
CPC classification number: B25J9/1676 , B25J13/087 , G01T1/1606 , G08B21/182 , G08B21/22
Abstract: A boundary protection method and system of a radiation detection robot. The boundary protection method comprises: a first laser radar and a second laser radar are arranged diagonally, a first marking rod and a second marking rod are arranged diagonally; a boundary of an interlocking zone is defined by the first laser radar, the second laser radar, the first marking rod and the second marking rod; the object to be detected is placed in the interlocking zone; the radiation detection robot uses rays to detect the object to be detected in the interlocking zone; an early warning zone is provided outside the interlocking zone; wherein when it is detected that a person or object has intruded into the interlocking zone, the radiation detection robot stops emitting rays; and when it is detected that a person or object has intruded into the early warning zone, a warning is issued directly.
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公开(公告)号：US10823874B2
公开(公告)日：2020-11-03
申请号：US15740814
申请日：2016-08-08
Applicant: NUCTECH COMPANY LIMITED
Inventor： Jin Cui , Dong Lin , Bin Hu , Xianshun Tan , Hong Wang
Abstract: The present disclosure proposes a security inspection equipment and a radiation detection method, and relates to the field of security inspection. The security inspection equipment according to the present disclosure includes: a ray emitter; and a radiation detector comprising a forescatter detector, the forescatter detector and the ray emitter located on opposite sides of an object to be detected; wherein the radiation detector further comprises at least one of the following detectors: a backscatter detector located between the ray emitter and the object to be detected; or a transmission detector wherein the transmission detector and the ray emitter located on opposite sides of an object to be detected. Such a security inspection equipment has a forescatter detector, which can be used in combination with backscatter detector, to reduce detection dead angles.
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Patent Agency Ranking
公开(公告)号：US10013615B2
公开(公告)日：2018-07-03
申请号：US15034021
申请日：2014-11-07
Applicant: Nuctech Company Limited
Inventor： Li Zhang , Zhiqiang Chen , Qiang Li , Jian Zhang , Jianping Gu , Jin Cui
CPC classification number: G06K9/00771 , G06K9/00 , G06K9/3241 , G06K9/38 , G06K9/40 , G06K9/42 , G06K9/4642 , G06K9/627 , G06K2209/09
Abstract: The present disclosure discloses an inspection method and device. The method comprises steps of acquiring a perspective image of an inspected object; processing the perspective image to obtain a region of interest; and automatically detecting the region of interest using a cigarette model, to determine whether the region of interest of the perspective image belongs to a cigarette. In the present disclosure, cigarette detection is implemented on a scanned image of goods, particularly a container, which can avoid the problem of detection vulnerability and poor effect of manual image judgment for the conventional manner, and is of significance in fighting against cigarette smuggling.
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公开(公告)号：US20180038808A1
公开(公告)日：2018-02-08
申请号：US15609012
申请日：2017-05-31
Applicant: NUCTECH COMPANY LIMITED
Inventor： Zhiqiang Chen , Ziran Zhao , Jin Cui , Dong Lin , Bin Hu , Xianshun Tan , Hong Wang
IPC: G01N23/203
CPC classification number: G01N23/203 , G01V5/0025
Abstract: The present disclosure proposes a security inspection apparatus and method, relates to the technical field of radiation, wherein the security inspection apparatus of the disclosure comprises: radiation emitting device, back-scatter detector, size-distance detecting device, orientation adjusting device; the back-scatter detector located between the radiation emitting device and an inspected object; the size-distance detecting device located between the radiation emitting device and the inspected object, for detecting a size of the inspected object and/or a distance between the inspected object and the size-distance detecting device; and the orientation adjusting device adjusts orientation of the radiation emitting device according to the size of the inspected object and/or the distance from the inspected object. Such a security inspection apparatus can detect size and position information of the inspected object, and automatically adjust the position of the radiation emitting device according to the size and position of the inspected object, thereby reducing or avoiding detection dead angles, and improving accuracy of the detection.
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公开(公告)号：US10157317B2
公开(公告)日：2018-12-18
申请号：US15278502
申请日：2016-09-28
Applicant: Nuctech Company Limited
Inventor： Zhiqiang Chen , Li Zhang , Jin Cui , Hong Wang , Huabin Tan , Dongxu Ji , Wenjing Wang , Tingting Zhang
IPC: H04N7/18 , H04N19/44 , G06K9/00 , G01V5/00 , G06K9/46 , G06T7/00 , H04N21/2187 , H04N21/61 , H04N21/845 , H04N19/29
Abstract: The present disclosure relates to a method, a system and a device for security inspection, pertaining to the field of security inspection. The method includes: before a baggage enters a security inspection machine and/or after the baggage leaves the security inspection machine, acquiring information about the baggage and information about a subject person; while the baggage is inside the security inspection machine to be scanned, acquiring a scanned image of the baggage; and correlating the information about the baggage, the scanned image of the baggage and the information about the subject person in a storage system, wherein acquiring information about the baggage and information about a subject person includes analyzing a video.
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9.发明申请公开(公告)号：US20180038809A1
公开(公告)日：2018-02-08
申请号：US15610450
申请日：2017-05-31
Applicant: NUCTECH COMPANY LIMITED
Inventor： Ziran Zhao , Zhiqiang Chen , Dong Lin , An Cang , Jin Cui , Bin Hu , Yanchao Zhang
IPC: G01N23/203 , B25J9/02 , A61B5/107
CPC classification number: G01N23/203 , A61B5/107 , B25J9/02 , G01N2223/053 , G01V5/0025 , G01V5/0066
Abstract: An autonomously mobile backscatter detection apparatus and method is disclosed. In one aspect, the apparatus includes a mobile platform configured to move freely in a horizontal plane. The apparatus further includes a backscatter detection imaging apparatus, arranged on the mobile platform, configured to acquire an image of an item to be inspected.
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公开(公告)号：US09763630B2
公开(公告)日：2017-09-19
申请号：US14525078
申请日：2014-10-27
Applicant: Nuctech Company Limited
Inventor： Zhiqiang Chen , Zhuowen Tu , Liang Li , Ziran Zhao , Duokun Zhang , Zhi Peng , Jin Cui , Dong Lin
CPC classification number: A61B6/022 , A61B6/4266 , G01V5/0058 , G06T15/08 , G06T2207/20212 , H04N13/106 , H04N2213/003
Abstract: A stereoscopic imaging system and method is disclosed. In one aspect the system includes an X-ray source that emits a plurality of X-ray fanbeams. The system includes columns of detectors. Each column of detectors is arranged at a preset angle with respect to the X-ray source. The detectors detect a strength of an X-ray fanbeam penetrating an object under inspection. The detectors form transmission images when the object intersects, or moves along a direction intersecting with, the X-ray fanbeams. The system includes a reconstruction apparatus that uses any two of the formed transmission images as a binocular image. The reconstruction apparatus calculates depth information of the object on the transmission images. The reconstruction apparatus superposes and fuses the calculated depth information to obtain 3D information. The reconstruction apparatus performs 3D reconstruction so that the detected object can be presented in a stereoscopic manner from different view angles.
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