公开(公告)号：EP2009428B1

公开(公告)日：2011-11-02

申请号：EP08153187.3

申请日：2008-03-22

Applicant: Tsinghua University ,  Nuctech Company Limited

Inventor： KANG, Kejun ,  CHEN, Zhiqiang ,  HU, Haifeng ,  LI, Yuanjing ,  ZHANG, Li ,  LIU, Yinong ,  WANG, Xuewu ,  QIU, Lijun ,  ZHANG, Hong

IPC: G01N23/10 ,  G01V5/00

CPC classification number: G01N23/046 ,  G01N2223/419

公开(公告)号：EP3032287B1

公开(公告)日：2019-05-01

申请号：EP15199532.1

申请日：2015-12-11

Applicant: Nuctech Company Limited

Inventor： LI, Jianmin ,  LI, Yulan ,  GU, Jingyu ,  LI, Yuanjing ,  SONG, Quanwei ,  WANG, Weizhen ,  WANG, Dongyu ,  CHEN, Zhiqiang ,  TANG, Chuanxiang ,  LIU, Yinong ,  LI, Junli ,  XUE, Tao ,  GONG, Hui ,  WANG, Xuewu

IPC: G01V5/00

公开(公告)号：EP3196674A1

公开(公告)日：2017-07-26

申请号：EP17152523.1

申请日：2017-01-20

Applicant: Tsinghua University ,  Nuctech Company Limited

Inventor： KANG, Kejun ,  CHEN, Zhiqiang ,  LI, Yuanjing ,  ZHAO, Ziran ,  LI, Junli ,  WANG, Xuewu ,  LIU, Yaohong ,  ZENG, Zhi ,  GU, Jianping ,  LIANG, Song ,  LIU, Bicheng ,  XU, Guangming ,  WANG, Yongqiang

IPC: G01T1/167 ,  G01V5/00

CPC classification number: G01V5/0075 ,  G01N2223/205 ,  G01T1/167 ,  G01T5/02 ,  G01V5/0091 ,  G06K9/6267

Abstract: The present application relates to a method, apparatus and system for inspecting an object based on a cosmic ray, pertaining to the technical field of radiometric imaging and safety inspection. The method includes: recording (S110) a movement trajectory of an inspected object by using a monitoring device; acquiring (S120) information of charged particles in the cosmic ray by using a position-sensitive detector, the information of charged particles comprising trajectory information of the charged particles; performing (S130) position coincidence for the movement trajectory and the trajectory information to determine the object; performing (140) trajectory remodeling for the charged particles according to the information of charged particles; and identifying (S150) a material inside the moving object according to the trajectory remodeling. According to the present disclosure, pedestrians who are walking and moving are inspected by using the cosmic ray, and nuclear materials, drugs and explosive materials and the like carried by human bodies may be detected.

Abstract translation: 本发明涉及一种基于宇宙射线检测物体的方法，装置和系统，属于辐射成像和安全检测技术领域。 该方法包括：利用监测装置记录（S110）检查对象的移动轨迹; 通过使用位置敏感检测器获取（S120）宇宙射线中的带电粒子的信息，带电粒子的信息包括带电粒子的轨迹信息; 对所述移动轨迹和所述轨迹信息执行（S130）位置重合以确定所述对象; 根据带电粒子的信息对带电粒子执行（140）轨迹重塑; 以及根据轨迹重塑识别（S150）移动物体内部的材料。 根据本公开，通过使用宇宙射线检查行走和移动的行人，并且可以检测人体携带的核材料，药物和爆炸材料等。

公开(公告)号：EP2196797A1

公开(公告)日：2010-06-16

申请号：EP08800648.1

申请日：2008-09-25

Applicant: Tsinghua University ,  Nuctech Company Limited

Inventor： CHEN, Zhiqiang ,  ZHANG, Li ,  WANG, Xuewu ,  HU, Haifeng ,  WU, Hongxin ,  LI, Yuanjing ,  LIU, Yinong ,  ZHAO, Ziran ,  XING, Yuxiang ,  TANG, Hu ,  YI, Yumin ,  ZHANG, Jinyu

IPC: G01N23/04 ,  G01N23/083

CPC classification number: G01N23/10 ,  A61B6/027 ,  G01N23/046 ,  G01N2001/022 ,  G01N2223/419 ,  G01N2223/423 ,  G01N2223/637 ,  G01N2223/639 ,  G01V5/00

Abstract: Disclosed are a method and a device for security-inspection of liquid articles with dual-energy CT imaging. The method comprises the steps of obtaining one or more CT images including physical attributes of liquid article to be inspected by CT scanning and a dual-energy reconstruction method; acquiring the physical attributes of each liquid article from the CT image; and determining whether there are drugs concealed in the inspected liquid article based on the difference between the acquired physical attributes and reference physical attributes of the inspected liquid article. The CT scanning can be implemented by a normal CT scanning technique, or a spiral CT scanning technique. In the normal CT scanning technique, the scan position can be preset, or set by the operator with a DR image, or set by automatic analysis of the DR image.

Abstract translation: 公开了用于双能CT成像的液体物品的安全检查的方法和装置。 该方法包括以下步骤：通过CT扫描获得包括要检查的液体物品的物理属性的一个或多个CT图像和双能量重建方法; 从CT图像获取每个液体物品的物理属性; 并且基于被检查的液体物品的所获取的物理属性和参考物理属性之间的差异来确定在所检查的液体物品中是否存在隐藏的药物。 CT扫描可以通过正常的CT扫描技术或螺旋CT扫描技术来实现。 在正常的CT扫描技术中，扫描位置可以由操作员预先设置，也可以通过DR图像进行设置，或者通过DR图像的自动分析设置。

公开(公告)号：EP3796049A1

公开(公告)日：2021-03-24

申请号：EP20187211.6

申请日：2020-07-22

Applicant: Tsinghua University ,  Nuctech Company Limited

Inventor： ZENG, Zhi ,  PAN, Xingyu ,  WANG, Xuewu ,  LI, Jungli ,  ZENG, Ming ,  LI, Jianmin ,  ZHAO, Ziran ,  CHENG, Jianping ,  MA, Hao ,  ZHANG, Hui ,  YU, Hao ,  LIU, Bicheng

IPC: G01V5/00 ,  G01N23/20

Abstract: The present disclosure provides a substance identification device and a substance identification method. The substance identification device comprises: a classifier establishing unit (10) configured to establish a classifier based on scattering density values reconstructed for a plurality of known sample materials, wherein the classifier comprises a plurality of feature regions corresponding to a plurality of characteristic parameters for the plurality of known sample materials, respectively; and an identification unit (20) for a material to be tested, configured to match the characteristic parameter of the material to be tested with the classifier, and to identify a type of the material to be tested by obtaining a feature region corresponding to the characteristic parameter of the material to be tested.

公开(公告)号：EP3296770A1

公开(公告)日：2018-03-21

申请号：EP17190833.8

申请日：2017-09-13

Applicant: Tsinghua University ,  Nuctech Company Limited

Inventor： YANG, Yigang ,  LI, Yuanjing ,  WANG, Xuewu ,  ZHANG, Zhi

IPC: G01T3/00

CPC classification number: H05H3/06 ,  G01T3/00 ,  H05G1/52

Abstract: A neutron generation apparatus, a neutron imaging device and an imaging method are disclosed. The neutron imaging device includes a neutron generation apparatus for generating a continuous energy spectrum neutron beam; a neutron detector for receiving a neutron beam which penetrates an object being inspected to obtain an electrical signal; a data collection circuit coupled to the neutron detector, for converting the electrical signal into a digital signal; and a data processing apparatus coupled to the data acquisition circuit, for obtaining images of the object being inspected under neutrons of different energy spectrums based on the digital signal. The above technical solutions may be utilized to generate the continuous energy spectrum neutron beam so that the images of the object being inspected under the neutrons of different energy spectrums may be obtained by the time-of-flight method, improving sensitivity of the detection.

Abstract translation: 公开了中子发生装置，中子成像装置和成像方法。 该中子成像装置包括用于产生连续能谱中子束的中子产生装置; 中子检测器，用于接收穿透被检查对象的中子束以获得电信号; 与中子探测器耦合的数据收集电路，用于将电信号转换为数字信号; 以及耦合到数据采集电路的数据处理设备，用于基于数字信号获得在不同能量中子的中子下被检查的对象的图像。 上述技术方案可以用于生成连续能谱中子束，使得可以通过飞行时间方法获得不同能谱中子下被检查对象的图像，提高了检测的灵敏度。

公开(公告)号：EP2485041A1

公开(公告)日：2012-08-08

申请号：EP10819836.7

申请日：2010-07-02

Applicant: Nuctech Company Limited ,  Tsinghua University

Inventor： SUN, Yunda ,  WANG, Xuewu ,  WANG, Lian ,  YI, Yumin ,  CHEN, Ming

IPC: G01N23/04 ,  G06T5/00

CPC classification number: G06K9/00362 ,  G06T7/73 ,  G06T2207/10116 ,  G06T2207/20068 ,  G06T2207/30196

Abstract: A method of processing a body inspection image and a body inspection apparatus are disclosed. In one embodiment, the method may comprise recognizing a target region by means of pattern recognition, and performing privacy protection processing on the recognized target region. The target region may comprise a head and/or crotch part. According to the present disclosure, it is possible to achieve a compromise between privacy protection and body inspection.

Abstract translation: 公开了一种处理身体检查图像和身体检查装置的方法。 在一个实施例中，该方法可以包括通过模式识别来识别目标区域，以及对所识别的目标区域执行隐私保护处理。 目标区域可以包括头部和/或裆部。 根据本公开，可以实现隐私保护和身体检查之间的折中。

公开(公告)号：EP3032287A1

公开(公告)日：2016-06-15

申请号：EP15199532.1

申请日：2015-12-11

Applicant: Nuctech Company Limited

Inventor： LI, Jianmin ,  LI, Yulan ,  GU, Jingyu ,  LI, Yuanjing ,  SONG, Quanwei ,  WANG, Weizhen ,  WANG, Dongyu ,  CHEN, Zhiqiang ,  TANG, Chuanxiang ,  LIU, Yinong ,  LI, Junli ,  XUE, Tao ,  GONG, Hui ,  WANG, Xuewu

IPC: G01V5/00

CPC classification number: G01V5/0016 ,  B60R11/00 ,  B60R2011/004

Abstract: A vehicle mounted mobile container or vehicle inspection system, including: a radiation source (4), a movable vehicle for carrying the inspection system, and a detector arm rack which has a horizontal arm (1) and a vertical arm (2), a first end of the horizontal arm is connected to the vehicle and a second end thereof is connected to an end of the vertical arm. The horizontal arm and the vertical arm are connected by a pivotal connecting device such that the vertical arm may pivot in a vertical plane, and the horizontal arm and the vertical arm may be retracted in a same horizontal plane. The novel arm rack construction may reduce the space occupied by it on top of the scanning vehicle after the arm rack is stowed so as to reduce the eight of the scanning vehicle under running condition.

Abstract translation: 一种车载移动容器或车辆检查系统，包括：辐射源（4），用于承载检查系统的移动车辆和具有水平臂（1）和垂直臂（2）的检测器臂架， 水平臂的第一端连接到车辆，并且其第二端连接到垂直臂的一端。 水平臂和垂直臂通过枢转连接装置连接，使得垂直臂可以在垂直平面中枢转，并且水平臂和垂直臂可以缩回到相同的水平面中。 新型的臂架构造可以在搁架臂架之后减少扫描车辆顶部占据的空间，以便在运行状态下减少扫描车辆的八个。

公开(公告)号：EP2482060A1

公开(公告)日：2012-08-01

申请号：EP10818318.7

申请日：2010-06-25

Applicant: Tsinghua University ,  Nuctech Company Limited

Inventor： LI, Jianmin ,  LIU, Yinong ,  WANG, Xuewu ,  ZHAO, Ziran ,  ZHANG, Lan ,  YI, Yumin ,  CHEN, Ming ,  ZHANG, Jinyu ,  WANG, Yongming

IPC: G01N23/04 ,  A61B6/00

CPC classification number: G01N23/04 ,  A61B6/06 ,  A61B6/4441 ,  G01N2223/316 ,  G01V5/0025

Abstract: The present invention relates to a radiation inspection apparatus for object security inspection, comprising: a ray generator configured to emit a ray, a collimator configured to collimate the ray emitted from the ray generator, and a detector configured to receive the collimated ray collimated by the collimator, wherein the collimated ray forms an irradiated area on the detector included by an effective detect area of the detector. The present invention also relates to a method of performing a security inspection to a body using a radiation inspection apparatus. With the above technical solutions, the present invention can achieve a low single inspection absorptive dose and a micro dose inspection while meeting inspection requirements to improve public radiation security.

Abstract translation: 本发明涉及一种用于物体安全检查的放射线检查装置，包括：被配置为发射光线的射线发生器，被配置为准直从射线发生器发射的射线的准直器，以及被配置为接收由 准直仪，其中所述准直光线在所述检测器的有效检测区域包括的所述检测器上形成照射区域。 本发明还涉及使用放射线检查装置对身体进行安全检查的方法。 通过上述技术方案，本发明可以实现低检测吸收剂量和微量剂量检测，同时满足检测要求，提高公共辐射安全性。

公开(公告)号：EP2189785A1

公开(公告)日：2010-05-26

申请号：EP08800646.5

申请日：2008-09-25

Applicant: Tsinghua University ,  Nuctech Company Limited

Inventor： ZHANG, Li ,  CHEN, Zhiqiang ,  WANG, Xuewu ,  HU, Haifeng ,  WU, Hongxin ,  LI, Yuanjing ,  LIU, Yinong ,  ZHAO, Ziran ,  XING, Yuxiang ,  TANG, Hu ,  YI, Yumin ,  ZHANG, Jinyu

IPC: G01N23/04 ,  G01N23/083

CPC classification number: G01N9/24 ,  G01V5/00

Abstract: Disclosed are a method and a device for security-inspection of liquid articles with dual-energy CT imaging. The method comprises the steps of obtaining one or more CT images including physical attributes of liquid article to be inspected by CT scanning and a dual-energy reconstruction method; acquiring the physical attributes of each liquid article from the CT image; and determining whether the inspected liquid article is dangerous based on the physical attributes. The CT scanning can be implemented by a normal CT scanning technique, or a spiral CT scanning technique. In the normal CT scanning technique, the scan position can be preset, or set by the operator with a DR image, or set by automatic analysis of the DR image.

Abstract translation: 公开了用于双能CT成像的液体物品的安全检查的方法和装置。 该方法包括以下步骤：通过CT扫描获得包括要检查的液体物品的物理属性的一个或多个CT图像和双能量重建方法; 从CT图像获取每个液体物品的物理属性; 并根据物理属性确定被检液体是否危险。 CT扫描可以通过正常的CT扫描技术或螺旋CT扫描技术来实现。 在正常的CT扫描技术中，扫描位置可以由操作员预先设置，也可以通过DR图像进行设置，或者通过DR图像的自动分析设置。