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1. 发明授权

US09846257B2 Mobile back scattering imaging security inspection apparatus and method 有权
公开(公告)号：US09846257B2
公开(公告)日：2017-12-19
申请号：US14790947
申请日：2015-07-02
申请人： TSINGHUA UNIVERSITY , NUCTECH COMPANY LIMITED
发明人： Zhiqiang Chen , Ziran Zhao , Wanlong Wu , Yingkang Jin , Le Tang , Ming Ruan , Xiao Tang , Guangwei Ding
IPC分类号： G01N23/201 , G01V5/00 , G01N23/203
CPC分类号： G01V5/0025 , G01N23/203
摘要： The present disclosure provides a mobile back scattering imaging security inspection apparatus, comprising: a back scattering scanner (2), a detector (3), a controller (4), and a movable stage (1) configured to carry the back scattering scanner, the detector and the controller and being movable with respect to the object to be inspected; wherein the back scattering scanner is a distributed X-ray source comprising a plurality of target points (201), each of which is able to emit the ray beam individually, and wherein the back scattering scanner, the detector and the controller perform an imaging security inspection operation on the object to be inspected during moving along with the movable stage with respect to the object.

2. 发明授权

US09779908B2 X-ray generator with adjustable collimation 有权
公开(公告)号：US09779908B2
公开(公告)日：2017-10-03
申请号：US14729622
申请日：2015-06-03
申请人： Nuctech Company Limited , Tsinghua University
发明人： Fuhua Ding , Zhiqiang Chen , Ziran Zhao , Wanlong Wu , Le Tang , Yingkang Jin , Yanjie Wen
IPC分类号： H01J35/10 , H01J35/12 , G21K1/04 , H05G1/12
CPC分类号： H01J35/12 , G21K1/043 , G21K1/046 , H01J2235/1287 , H05G1/12
摘要： The present disclosure provides an X-ray generator with adjustable collimation. The X-ray generator comprises: an assembly of X-ray source, which includes an X-ray tube having a cathode and an anode and a front collimator; a high voltage generator, which is disposed in an extended chamber of a housing for the X-ray tube and which is used for supplying a direct current high voltage between the cathode and the anode of the X-ray tube to excite X-ray beams; a collimation adjustment unit, which is rotatably disposed outside of the front collimator and which is used for adjusting fan-type X-ray beams into continuous pencil-type X-ray beams; and a cooling unit, which is independently mounted to the X-ray tube and which is used for cooling the anode of the X-ray tube; wherein, the assembly of X-ray source, the high voltage generator, the collimation adjustment unit and the cooling unit are integrated as a whole. The X-ray generator with adjustable collimation according to the disclosure has a compact construction, which is helpful in miniaturization, modularization and high efficiency of a security detection equipment.

3. 发明申请

US20160003966A1 MOBILE BACK SCATTERING IMAGING SECURITY INSPECTION APPARATUS AND METHOD 有权
标题翻译：移动扫描成像安全检查装置和方法
公开(公告)号：US20160003966A1
公开(公告)日：2016-01-07
申请号：US14790947
申请日：2015-07-02
申请人： TSINGHUA UNIVERSITY , NUCTECH COMPANY LIMITED
发明人： Zhiqiang Chen , Ziran Zhao , Wanlong Wu , Yingkang Jin , Le Tang , Ming Ruan , Xiao Tang , Guangwei Ding
IPC分类号： G01V5/00 , G01N23/203
CPC分类号： G01V5/0025 , G01N23/203
摘要： The present disclosure provides a mobile back scattering imaging security inspection apparatus, comprising: a back scattering scanner (2), a detector (3), a controller (4), and a movable stage (1) configured to carry the back scattering scanner, the detector and the controller and being movable with respect to the object to be inspected; wherein the back scattering scanner is a distributed X-ray source comprising a plurality of target points (201), each of which is able to emit the ray beam individually, and wherein the back scattering scanner, the detector and the controller perform an imaging security inspection operation on the object to be inspected during moving along with the movable stage with respect to the object.
摘要翻译：本公开提供了一种移动后向散射成像安全检查装置，包括：后散射扫描器（2），检测器（3），控制器（4）和可移动台（1），其配置成携带背散射扫描器，检测器和控制器，并且可相对于被检查物体移动; 其中所述背散射扫描器是包括多个目标点（201）的分布式X射线源，每个所述目标点（201）能够单独地发射所述射线束，并且其中所述后向散射扫描器，所述检测器和所述控制器执行成像安全性在与可动台相对于物体一起移动时，要检查对象的检查操作。

4. 发明申请

US20140177802A1 RAY EMISSION DEVICE AND IMAGING SYSTEM HAVING THE SAME 有权
标题翻译： RAY排放装置及其成像系统
公开(公告)号：US20140177802A1
公开(公告)日：2014-06-26
申请号：US14060270
申请日：2013-10-22
申请人： Tsinghua University , Nuctech Company Limited
发明人： Ziran Zhao , Wanlong Wu , Yingkang Jin , Le Tang , Guangwei Ding , Chenguang Zhu
IPC分类号： G21K1/04 , G01N23/20
CPC分类号： G21K1/04 , G01N23/20 , G21K1/043
摘要： A ray emission device and an imaging system with the ray emission device are disclosed. The ray emission device comprises: a cylinder; a ray source disposed in the cylinder for emitting a ray; and a collimator disposed in the cylinder. The collimator enables the ray emitted by the ray source to form sectorial ray beams at a plurality of positions in an axial direction of the cylinder. The cylinder has a pencil beam forming part arranged over an axial length of the cylinder corresponding to the plurality of positions. The sectorial ray beams form pencil beams through the pencil beam forming part when the cylinder rotates around a rotation axis.
摘要翻译：公开了一种具有射线发射装置的射线发射装置和成像系统。射线发射装置包括：圆筒; 设置在所述气缸中用于发射射线的射线源; 以及设置在气缸中的准直器。准直器使得由射线源发射的射线能够在圆柱体的轴向上的多个位置处形成扇形射线束。圆柱体具有布置在与多个位置对应的圆柱体的轴向长度上的笔形波束形成部分。当圆筒围绕旋转轴旋转时，扇形射线束通过笔形波束形成部分形成笔形束。

5. 发明授权

US09552521B2 Human body security inspection method and system 有权
标题翻译：人体安全检查方法及系统
公开(公告)号：US09552521B2
公开(公告)日：2017-01-24
申请号：US14337190
申请日：2014-07-21
申请人： TSINGHUA UNIVERSITY , NUCTECH COMPANY LIMITED
发明人： Zhiqiang Chen , Yuanjing Li , Ziran Zhao , Wanlong Wu , Yingkang Jin , Yinong Liu , Wenguo Liu , Xianli Ding , Bin Sang , Le Tang , Ming Ruan , Chenguang Zhu , Liaohua Fu , Fuhua Ding , Shuo Cao
IPC分类号： G06K9/00 , G06T7/00 , G07C9/00
CPC分类号： G06K9/00771 , G06K9/00362 , G06K2209/09 , G06T7/0002 , G06T2207/30196 , G06T2207/30232 , G07C9/00158
摘要： The present invention provides a human body security inspection method and system. The method comprises: retrieving in real-time scanning row or column image data of a personal to be inspected; transmitting in real-time the image data to an algorithm processing module and processing these image data by the module; automatically recognizing a suspicious matter by a suspicious matter automatic target recognition technique, after retrieving an image data of an entire scanning image of the personal; any of the following three inspection modes is selected, so as to perform a further processing on basis of the recognition result of the suspicious matter, (1) in a manner of automatic target recognition technique, (2) in a combination manner of the automatic target recognition technique and a privacy protection image; and (3) a combination manner of the automatic target recognition technique, a privacy protection image and human intervention.
摘要翻译：本发明提供一种人体安全检查方法和系统。该方法包括：实时检索要检查的个人的行或列图像数据; 将图像数据实时传输到算法处理模块，并通过模块处理这些图像数据; 在检索个人的整个扫描图像的图像数据之后，通过可疑物体自动目标识别技术自动识别可疑物品; 选择以下三种检查模式中的任何一种，以便基于可疑物的识别结果进行进一步处理，（1）以自动目标识别技术的方式，（2）以自动目标识别技术和隐私保护形象; 和（3）自动目标识别技术，隐私保护图像和人为干预的组合方式。

6. 发明授权

US09322933B2 Multiple technologies composite scintillation detector device 有权
标题翻译：多技术复合闪烁检测装置
公开(公告)号：US09322933B2
公开(公告)日：2016-04-26
申请号：US14576674
申请日：2014-12-19
申请人： NUCTECH COMPANY LIMITED , TSINGHUA UNIVERSITY
发明人： Ziran Zhao , Zhiqiang Chen , Yuanjing Li , Wanlong Wu , Yinong Liu , Ming Ruan , Yingkang Jin , Le Tang
IPC分类号： G01T1/20
CPC分类号： G01T1/2002 , G01T1/2008
摘要： The invention presents a backscattering scintillation detector. The scintillation detector includes a scintillation crystal detector; a X-ray sensitizing screen, which is disposed forward the scintillation crystal detector and where a backscattered X-ray from an object to be detected is processed and then at least part of the processed X-ray is incident to scintillation crystal detector; and photoelectric multiplier, which is disposed backward the scintillation crystal detector and is configured to collect a light signal from scintillation crystal detector and convert it to an electrical signal. Through the above preferable embodiment, a X-ray sensitizing screen, a scintillation crystal detector, and light guiding and wave-drifting technologies are combined together to obtain a novel scintillation detector, which can improve detection of X-ray, transmission of light signal and conversion of light signal to electrical signal.
摘要翻译：本发明提出了一种后向散射闪烁检测器。闪烁检测器包括闪烁晶体检测器; 设置在闪烁晶体检测器前方的X射线增感屏幕，并且处理来自被检测物体的背散射X射线，然后处理的X射线的至少一部分入射到闪烁晶体检测器; 以及光电倍增器，其设置在闪烁晶体检测器的后方，并且被配置为从闪烁晶体检测器收集光信号并将其转换为电信号。通过上述优选实施例，将X射线增感屏，闪烁晶体检测器和导光波漂移技术组合在一起，以获得新的闪烁检测器，其可以改善X射线的检测，光信号的传输和光信号转换为电信号。

7. 发明申请

US20160003965A1 X-RAY BACKSCATTERING SAFETY INSPECTION SYSTEM HAVING DISTRIBUTED X-RAY SOURCE AND METHOD USING THE SAME 审中-公开
标题翻译：具有分布式X射线源的X射线背景安全检查系统及其使用方法
公开(公告)号：US20160003965A1
公开(公告)日：2016-01-07
申请号：US14790880
申请日：2015-07-02
申请人： TSINGHUA UNIVERSITY , NUCTECH COMPANY LIMITED
发明人： Zhiqiang Chen , Ziran Zhao , Wanlong Wu , Yingkang Jin , Le Tang , Chengcong Xu , Ming Ruan , Guangwei Ding , Yanjie Wen
IPC分类号： G01V5/00 , G01N23/203
CPC分类号： G01V5/0025 , G01N23/203
摘要： The present invention provides an X-ray backscattering safety inspection system, comprising: an X-ray source comprising a plurality of target spots each individually controllable to emit X-rays; collimators configured to be respectively passed through the X-ray emitted from the plurality of target spots and output N pencil-shaped X-ray beams, and the N pencil-shaped X-ray beams are irradiated onto N locations of an object to be inspected; and N detectors configured to respectively receive scattering signals from the corresponding locations of the object to be inspected, in which N is a positive integer that is great than or equal to 2. The system may achieve double scannings in one scanning operation, which not only increases scanning speed but also enhances backscattering signal for imaging.
摘要翻译：本发明提供了一种X射线背散射安全检查系统，其包括：X射线源，其包括多个目标点，每个目标点各自可控制以发射X射线; 准直器被配置为分别通过从多个目标点发射的X射线，并且输出N个铅笔X射线束，并且将N个铅笔X射线束照射到待检查对象的N个位置 ; 和N个检测器，其被配置为分别从待检查对象的相应位置接收散射信号，其中N是大于或等于2的正整数。系统可以在一次扫描操作中实现双扫描，这不仅增加了扫描速度，同时也增强了用于成像的后向散射信号。

8. 发明授权

US09031192B2 Ray emission device and imaging system having the same 有权
标题翻译：射线发射装置和成像系统具有相同的特性
公开(公告)号：US09031192B2
公开(公告)日：2015-05-12
申请号：US14060270
申请日：2013-10-22
申请人： Nuctech Company Limited , Tsinghua University
发明人： Ziran Zhao , Wanlong Wu , Yingkang Jin , Le Tang , Guangwei Ding , Chenguang Zhu
IPC分类号： H05G1/70 , G21K1/04 , G01N23/20
CPC分类号： G21K1/04 , G01N23/20 , G21K1/043
摘要： A ray emission device and an imaging system with the ray emission device are disclosed. The ray emission device comprises: a cylinder; a ray source disposed in the cylinder for emitting a ray; and a collimator disposed in the cylinder. The collimator enables the ray emitted by the ray source to form sectorial ray beams at a plurality of positions in an axial direction of the cylinder. The cylinder has a pencil beam forming part arranged over an axial length of the cylinder corresponding to the plurality of positions. The sectorial ray beams form pencil beams through the pencil beam forming part when the cylinder rotates around a rotation axis.
摘要翻译：公开了一种具有射线发射装置的射线发射装置和成像系统。射线发射装置包括：圆筒; 设置在所述气缸中用于发射射线的射线源; 以及设置在气缸中的准直器。准直器使得由射线源发射的射线能够在圆柱体的轴向上的多个位置处形成扇形射线束。圆柱体具有布置在与多个位置对应的圆柱体的轴向长度上的笔形波束形成部分。当圆筒围绕旋转轴旋转时，扇形射线束通过笔形波束形成部分形成笔形束。

9. 发明授权

US09651507B2 Human body back scattering inspection method and system 有权
公开(公告)号：US09651507B2
公开(公告)日：2017-05-16
申请号：US14572528
申请日：2014-12-16
申请人： Tsinghua University , Nuctech Company Limited
发明人： Zhiqiang Chen , Ziran Zhao , Yuanjing Li , Wanlong Wu , Ming Ruan , Li Zhang , Yingkang Jin , Le Tang , Xianli Ding , Chenguang Zhu
IPC分类号： G01N23/203 , G01T1/167 , G01V5/00
CPC分类号： G01N23/203 , G01T1/167 , G01V5/0025 , G01V5/0091
摘要： A human body back-scattering inspection method and system are discloses. The method includes: obtaining a back-scattering scan image of a human body under inspection; distinguishing a body image from a background image in the back-scattering scan image; and calculating a feature parameter of the background image to determine whether radioactive substance is carried with the human body. With some embodiments of the present disclosure, it is possible to determine whether any radioactive substance is carried with a human body during back-scattering inspection of the human body. In further embodiments of the present disclosure, it is possible to approximately determine which part(s) of the human body carries the radioactive substance. This improves efficiency of inspection.

10. 发明授权

US09366642B2 Back scattering inspection systems for human body 有权
标题翻译：背散射检测系统为人体
公开(公告)号：US09366642B2
公开(公告)日：2016-06-14
申请号：US14135840
申请日：2013-12-20
申请人： Nuctech Company Limited , Tsinghua University
发明人： Ziran Zhao , Zhiqiang Chen , Yuanjing Li , Wanlong Wu , Ming Ruan , Yinong Liu , Yingkang Jin , Le Tang , Yanjie Wen , Xiuwei Chen , Fuhua Ding , Bin Sang , Zongjun Shen
IPC分类号： G01N23/203 , G01T1/167 , G01V5/00 , A61B6/00
CPC分类号： G01N23/203 , A61B6/4021 , A61B6/4266 , A61B6/483 , G01T1/167 , G01V5/0025
摘要： A human body back-scattering inspection system is disclosed. The system comprises a flying-spot forming unit configured to output beams of X-rays, a plurality of discrete detectors which are arranged vertically along a human body to be inspected, and a controlling unit coupled to the flying-spot forming unit and the plurality of detectors, and configured to generate a control signal to control the flying-spot forming unit and the plurality of detectors to perform a partition synchronous scan on the human body to be inspected vertically. The present disclosure utilizes the geometry property of the human body back-scattering inspection system, and proposes a multiple-point synchronous scan mechanism which largely accelerates the inspection of human body.
摘要翻译：公开了一种人体背散射检查系统。该系统包括：飞点形成单元，被配置为输出X射线束;沿着待检查的人体垂直排列的多个离散检测器;以及耦合到飞点形成单元和多个的检测器，并且被配置为产生控制信号以控制飞点形成单元和多个检测器，以对垂直检查的人体进行分区同步扫描。本发明利用人体背散射检查系统的几何特性，并提出了一种大大加速人体检查的多点同步扫描机构。

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