-
公开(公告)号：US20150204999A1
公开(公告)日：2015-07-23
申请号：US14576715
申请日：2014-12-19
Applicant: Nuctech Company Limited
Inventor： Shangmin SUN , Weifeng YU , Liwei SONG
IPC: G01V5/00
CPC classification number: G01V5/0016
Abstract: The present invention provides an inspection system for a container. It comprises: a radiation source, configured to provide X-rays for scanning the container; a detector, configured to receive the X-rays emitted from the radiation source; a body of the inspection system, on which the radiation source and the detector are provided; wherein a size of the body of the inspection system is set to facilitate the inspection of the container. The inspection system of the present invention can inspect in batches the container in the wharf or goods yard.
Abstract translation: 本发明提供了一种用于容器的检查系统。 它包括：辐射源，被配置为提供用于扫描容器的X射线; 检测器，被配置为接收从所述辐射源发射的X射线; 检测系统的主体，其上设有辐射源和检测器; 其中，所述检查系统的主体的尺寸被设定为便于检查所述容器。 本发明的检查系统可以分批检查码头或货场的集装箱。
-
公开(公告)号：US20200217963A1
公开(公告)日：2020-07-09
申请号：US16826235
申请日：2020-03-22
Applicant: NUCTECH COMPANY LIMITED , NUCTECH (BEIJING) COMPANY LIMITED
Inventor： Jian LI , Shangmin SUN , Yongming WANG , Yanwei XU , Weifeng YU , Yu HU , Chunguang ZONG
Abstract: The present disclosure provides a laser speed measuring method, control device and a laser velocimeter, and relates to the technical field of security inspection. The laser speed measuring method comprises the steps of: acquiring detection data within a predetermined detection angle range in a plurality of paralleled horizontal planes having different heights, from a plurality of laser rays detected towards a road extending direction in the horizontal plane; acquiring three-dimensional point cloud data according to the detection data; determining a position of a measured object in the road extending direction according to the three-dimensional point cloud data; and determining a speed of the measured object according to the position change of the measured object along the road extending direction at different timing.
-
公开(公告)号：US20180149769A1
公开(公告)日：2018-05-31
申请号：US15798569
申请日：2017-10-31
Applicant: Nuctech Company Limited
Inventor： Tao JIANG , Yanwei XU , Shangmin SUN , Yu HU , Weifeng YU , Xuejing YANG , Youai YU , Ke LI , Defang MENG
IPC: G01V8/26
Abstract: A mobile scanning inspection system, comprising a vehicle body and an inspection arm including a cross arm and a vertical arm, wherein a first inspection device and a second inspection device are provided on the cross arm; the first inspection device is on the side close to the vehicle body and it emits a first laser inspection plane parallel to the side plane of the vehicle body, and the length of the longest portion of the first laser inspection plane is longer than the length of the vehicle body; the second inspection device is provided on the side close to the vertical arm and it emits a second laser inspection plane parallel to the side plane of the vehicle body and the second laser inspection plane is centered on the vertical arm, and extends a first preset distance and a second preset distance forward and backward.
-
14.发明申请公开(公告)号：US20170160304A1
公开(公告)日：2017-06-08
申请号：US15278447
申请日：2016-09-28
Applicant: Nuctech Company Limited
Inventor： Junjie TU , Yanwei XU , Weifeng YU , Yongming WANG
CPC classification number: G01P3/68 , G01P3/36 , G01S17/42 , G01S17/58 , G01S17/88 , G01V5/0016 , G08G1/04 , G08G1/052
Abstract: The present disclosure relates to a method and a device for monitoring a state of a moving object and a system for fast inspecting a vehicle. The method and a device for monitoring a state of a moving object positions and measures speed of the moving object by using a laser scanner. The device includes: a laser scanner configured to monitor at least one moving object entering a monitoring region, by emitting a plurality of laser beams of different angles to the at least one moving object with a preset scanning frequency; and a processing unit configured to, for each moving object, determine and output a relative position of the moving object with respect to the laser scanner at each time instance. It can significantly improve the accuracy of measuring a low speed of the moving object, and the laser scanner is easy to install and has a low cost.
-
15.发明申请公开(公告)号：US20160170074A1
公开(公告)日：2016-06-16
申请号：US14965978
申请日：2015-12-11
Applicant: Nuctech Company Limited , Tsinghua University
Inventor： Jianmin LI , Yulan LI , Yuanjing LI , Hao YU , Chunguang ZONG , Jingyu GU , Weifeng YU , Quanwei SONG , Weizhen WANG , Shangmin SUN , Yinong LIU , Junli LI , Chuanxiang TANG
CPC classification number: G01V5/0016 , G01V5/0008 , G21K1/02
Abstract: The present disclosure discloses an alignment system and an alignment method for a container or vehicle inspection system, and an inspection system. The inspection system comprises comprising an ray source, a collimator, a detector arm and a detector module mounted on a detector arm, the ray source, the collimator and the detector module are arranged to form an inspection passage, a ray beam emitted from the ray source passes through collimator and irradiates onto an inspected object, and an attenuated ray beam is collected by the detector module so as to complete inspection. The alignment system comprises a measuring module arranged to receive the ray beam emitted from the collimator and to measure the ray beam so as to determine positions and orientations of the ray source and the collimator. With the alignment method, alignment between a center point of the ray source, a central line of a detector tip and a central line of the collimator may be more accurately measured.
Abstract translation: 本公开公开了一种用于集装箱或车辆检查系统的对准系统和对准方法以及检查系统。 检查系统包括一个安装在检测器臂上的射线源，准直仪，检测器臂和检测器模块，射线源，准直器和检测器模块被布置成形成检查通道，从射线射出的射线束 源通过准直仪并照射到检查对象上，并且由检测器模块收集衰减的射线束，以便完成检查。 对准系统包括测量模块，其布置成接收从准直仪发射的射线束并测量射线束，以便确定射线源和准直器的位置和取向。 利用对准方法，可以更准确地测量射线源的中心点，检测器尖端的中心线与准直仪的中心线之间的对准。
-
Patent Agency Ranking
公开(公告)号：US20220099601A1
公开(公告)日：2022-03-31
申请号：US17420681
申请日：2020-01-03
Inventor： Zhiqiang CHEN , Yuanjing LI , Li ZHANG , Jianmin LI , Shangmin SUN , Chunguang ZONG , Yu HU , Quanwei SONG , Hejun ZHOU , Weifeng YU , Jinguo CAO , Bing FU
IPC: G01N23/10 , G01N23/04 , G01N23/083
Abstract: The present disclosure provides a radiation inspection apparatus and a radiation inspection method. The radiation inspection apparatus includes: a radiation inspection device comprising a ray source and a detector that cooperates with the ray source to perform scanning inspection on an object to be inspected, the radiation inspection device having an inspection channel for the object to be inspected to pass through when scanning inspection is performed thereon; and traveling wheels provided at the bottom of the radiation inspection device to enable the radiation inspection apparatus to travel in an extension direction of the inspection channel, and the traveling wheels are configured to rotate 90° to enable the radiation inspection apparatus to travel in a direction perpendicular to the extension direction of the inspection channel.
-
公开(公告)号：US20220084336A1
公开(公告)日：2022-03-17
申请号：US17421709
申请日：2020-01-23
Inventor： Yongming WANG , Junjie TU , Chuan GAO , Yanwei XU , Weifeng YU , Chunguang ZONG , Yu HU
Abstract: This disclosure provides a vehicle inspection method, apparatus, system, and computer-readable storage medium and relates to the field of security inspection technologies. The vehicle inspection method of the present disclosure includes: acquiring vehicle profile information of a vehicle through a first sensor that performs measurement in a direction perpendicular to a passage, and determining a feature point of the vehicle according to the vehicle profile information; determining a position of the vehicle in the passage through a second sensor that performs measurement in a direction along the passage, and determining a position of the feature point according to the position of the vehicle in the passage; and switching an operating mode of a ray source based on a preset strategy according to a position relation between the position of the feature point and the ray source.
-
公开(公告)号：US20190301976A1
公开(公告)日：2019-10-03
申请号：US16416934
申请日：2019-05-20
Applicant: Nuctech Company Limited
Inventor： Yanwei XU , Weifeng YU
IPC: G01M17/007 , G01V5/00 , G01N23/04 , G01B11/04
Abstract: A method and a system for fast inspecting a vehicle based on a length measuring device, including: when a subject vehicle enters an inspection region, measuring a first length and a second length of the subject vehicle; determining whether the first length and the second length is respectively larger than or equal to a preset second length threshold; if so, determining whether a gap portion of the subject vehicle between a first portion and a second portion of the subject vehicle appears in a beam emitting region formed by a beam of radiation rays emitted by the system for fast inspecting a vehicle; and when the gap portion appears in the beam emitting region, emitting a beam of radiation rays of a first radiation dose to the subject vehicle according to the gap portion, wherein the subject vehicle moves with respect to the system for fast inspecting a vehicle.
-
公开(公告)号：US20190204240A1
公开(公告)日：2019-07-04
申请号：US16231373
申请日：2018-12-21
Applicant: Tsinghua University , Nuctech Company Limited
Inventor： Ke LI , Jianmin LI , Weifeng YU , Yulan LI , Xuejing YANG , Yuanjing LI , Chunguang ZONG , Zhiqiang CHEN , Li ZHANG
IPC: G01N23/04
CPC classification number: G01N23/04 , G01N2223/04 , G01N2223/303 , G01N2223/33 , G01N2223/401
Abstract: The present disclosure provides a scanned image correction apparatus, method and a mobile scanning device. The apparatus includes an image collector, an arm swing detector, and an image processor. The image collector is configured to collect a scanned image of an object under inspection during a scanning process of scanning the object under inspection by the mobile scanning device, and determine an image parameter of the scanned image. The arm swing detector is disposed at a monitor point on a detector arm of the mobile scanning device, and configured to detect a displacement offset of the detector arm in a specified direction and build an arm swing model of the detector arm. The image processor is configured to determine a change relationship between the image parameter of the scanned image and the displacement offset of the detector arm, and correct the scanned image based on the change relationship.
-
公开(公告)号：US20180182126A1
公开(公告)日：2018-06-28
申请号：US15852103
申请日：2017-12-22
Applicant: Nuctech Company Limited
Inventor： Yanwei XU , Zheng HU , Yongming WANG , Chuan GAO , Weifeng YU , Qiang LI , Yuan MA , Jianping GU , Yu HU , Shangmin SUN
CPC classification number: G06T7/74 , G06K9/00771 , G06K9/00791 , G06K9/6262 , G06N3/0472 , G06N3/08 , G06T3/40 , G06T2207/20081 , G06T2207/20084 , G06T2207/30248
Abstract: The present disclosure discloses a method and system for identifying a part of a vehicle and a vehicle inspection system. The method includes: acquiring a vehicle body image sequence of a vehicle to be identified; reconstructing the vehicle body by using a first vehicle body reconstruction model generated through a deep learning algorithm and on the basis of the vehicle body image sequence, so as to acquire a vehicle body reconstruction image of the vehicle to be identified; and identifying a boundary identifier of the vehicle to be identified on the basis of the vehicle body reconstruction image of the vehicle to be identified.
-
-
-
-
-
-
-
-
-
Search Results
23
records
(took 0.014 seconds)
