公开(公告)号：US20110211671A1

公开(公告)日：2011-09-01

申请号：US13089874

申请日：2011-04-19

申请人： Zhiqiang Chen ,  Li Zhang ,  Xuewu Wang ,  Haifeng Hu ,  Hongxin Wu ,  Yuanjing Li ,  Yinong Liu ,  Ziran Zhao ,  Yuxiang Xing ,  Hu Tang ,  Yumin Yi ,  Jinyu Zhang

发明人： Zhiqiang Chen ,  Li Zhang ,  Xuewu Wang ,  Haifeng Hu ,  Hongxin Wu ,  Yuanjing Li ,  Yinong Liu ,  Ziran Zhao ,  Yuxiang Xing ,  Hu Tang ,  Yumin Yi ,  Jinyu Zhang

IPC分类号： G01N23/04

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

摘要： 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.

摘要翻译： 公开了一种用于双能CT成像的液体物品的安全检查方法和装置。 该方法包括以下步骤：通过CT扫描获得包括待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制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被检查的液体制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，或者通过DR图像设置，或者通过DR图像的自动分析设置。

公开(公告)号：US07991112B2

公开(公告)日：2011-08-02

申请号：US12342531

申请日：2008-12-23

申请人： Zhiqiang Chen ,  Yuanjing Li ,  Yulan Li ,  Li Zhang ,  Wanlong Wu ,  Hua Peng ,  Yinong Liu ,  Zirao Zhao ,  Xuewu Wang ,  Shangmin Sun ,  Bin Sang ,  Hailin Wang ,  Quanwei Song ,  Jinyu Zhang

发明人： Zhiqiang Chen ,  Yuanjing Li ,  Yulan Li ,  Li Zhang ,  Wanlong Wu ,  Hua Peng ,  Yinong Liu ,  Zirao Zhao ,  Xuewu Wang ,  Shangmin Sun ,  Bin Sang ,  Hailin Wang ,  Quanwei Song ,  Jinyu Zhang

IPC分类号： G01N23/083 ,  G01N23/18 ,  H05G1/60

CPC分类号： G01V5/005 ,  G01V5/0041 ,  Y10S378/901

摘要： The present invention discloses a detecting method of an article detection apparatus composed of an individual DR subsystem and an individual CT subsystem, the method comprising: obtaining a first projection data on ray attenuation coefficient by using the DR subsystem to project an A-layer of an article at a first projection angle, and obtaining a second projection data on ray attenuation coefficient by using the CT subsystem to project an A-layer of the article at a second projection angle different from the first projection angle; and judging whether an A-layer of the detected article contains a dangerous article based on the first projection data and the second projection data so as to obtain a first judgment on an A-layer of the detected article. In the present invention, by combining the projection data of the DR subsystem and the projection data of the CT subsystem, the amount of data information used to judge the detected article is greatly increased, therefore, both the detection accuracy and speed are improved.

摘要翻译： 本发明公开了一种由个体DR子系统和个体CT子系统组成的物品检测装置的检测方法，该方法包括：通过使用DR子系统获得关于射线衰减系数的第一投影数据，以投影A 并且通过使用CT子系统以不同于第一投影角度的第二投影角投影物品的A层来获得关于射线衰减系数的第二投影数据; 以及基于所述第一投影数据和所述第二投影数据判断检测到的物品的A层是否含有危险物品，以便获得所检测物品的A层的第一判断。 在本发明中，通过组合DR子系统的投影数据和CT子系统的投影数据，用于判断检测到的物品的数据信息量大大增加，因此提高了检测精度和速度。

公开(公告)号：US07924975B2

公开(公告)日：2011-04-12

申请号：US12419603

申请日：2009-04-07

申请人： Li Zhang ,  Yinong Liu ,  Zhiqiang Chen ,  Yuanjing Li ,  Hewei Gao ,  Yuxiang Xing ,  Ziran Zhao ,  Yongshun Xiao

发明人： Li Zhang ,  Yinong Liu ,  Zhiqiang Chen ,  Yuanjing Li ,  Hewei Gao ,  Yuxiang Xing ,  Ziran Zhao ,  Yongshun Xiao

IPC分类号： G01N23/04

CPC分类号： G01V5/005 ,  G01B15/00 ,  G01V5/0016 ,  G03B42/00

摘要： In a linear track scanning imaging system and method, the imaging system may include: a ray generating unit having a plurality of ray sources that emit beams alternately, only one ray source at a time; an actuating arrangement causing an object under examination to move with respect to the linear track scanning imaging system along a linear track, leading the object to pass through a scanning area of the linear track scanning imaging system; a data collecting unit that collects projection data of the object for each ray source; an imaging unit that reconstructs an image of the object under examination based on the projection data collected for each ray source; and a display unit for displaying the reconstructed image.

摘要翻译： 在线性轨迹扫描成像系统和方法中，成像系统可以包括：具有交替地发射束的多个射线源的射线产生单元，一次只有一个射线源; 致动装置使被检查物体沿着线性轨迹相对于线性轨道扫描成像系统移动，使物体通过线性轨道扫描成像系统的扫描区域; 数据收集单元，收集每个射线源的物体的投影数据; 成像单元，其基于针对每个射线源收集的投影数据重建被检查物体的图像; 以及显示单元，用于显示重建图像。

公开(公告)号：US07760852B2

公开(公告)日：2010-07-20

申请号：US12159640

申请日：2006-12-14

申请人： Zhiqiang Chen ,  Kejun Kang ,  Li Zhang ,  Haifeng Hu ,  Yuxiang Xing ,  Liang Li ,  Yongshun Xiao ,  Ziran Zhao ,  Yuanjing Li ,  Yinong Liu

发明人： Zhiqiang Chen ,  Kejun Kang ,  Li Zhang ,  Haifeng Hu ,  Yuxiang Xing ,  Liang Li ,  Yongshun Xiao ,  Ziran Zhao ,  Yuanjing Li ,  Yinong Liu

IPC分类号： A61B6/00

CPC分类号： A61B6/032 ,  A61B6/587

摘要： An X-CT scan system includes a base, an object rotary support, an X-ray generation device and a data acquisition system, wherein one side of the detector is leveled to or beyond the prolong line of the connecting line between the X-ray source of the X-ray generation device and the center of the object rotary support, the length of the beyond portion is less than the radius of the imaging field. The advantage of the invention is in that the invention can reconstruct the entire image of the object by means of X-ray projection data which only covers half of the area of the object. Compared with the traditional CT scan system, half of the detector size can be saved at most. The X-CT scan system is simplified and the projection data amount for scan and computation amount for image reconstruction are also reduced with the reconstructed image quality guaranteed.

摘要翻译： X-CT扫描系统包括基座，对象旋转支架，X射线产生装置和数据采集系统，其中检测器的一侧被平整到或超过X射线之间的连接线的延长线 X射线产生装置的源和对象旋转支架的中心，超出部分的长度小于成像场的半径。 本发明的优点在于，本发明可以通过仅覆盖对象区域的一半的X射线投影数据来重建物体的整个图像。 与传统CT扫描系统相比，检测器尺寸的一半最多可以节省。 X-CT扫描系统被简化，并且用于图像重建的扫描和计算量的投影数据量也被减少，重建图像质量得到保证。

公开(公告)号：US20090129544A1

公开(公告)日：2009-05-21

申请号：US12270908

申请日：2008-11-14

申请人： Zhiqiang Chen ,  Li Zhang ,  Kejun Kang ,  Xuewu Wang ,  Qingping Huang ,  Yuanjing Li ,  Yinong Liu ,  Ziran Zhao ,  Yongshun Xiao

发明人： Zhiqiang Chen ,  Li Zhang ,  Kejun Kang ,  Xuewu Wang ,  Qingping Huang ,  Yuanjing Li ,  Yinong Liu ,  Ziran Zhao ,  Yongshun Xiao

IPC分类号： G01N23/04

CPC分类号： G01N23/04 ,  G01N23/087 ,  G01N2223/423

摘要： A method for substance identification and an apparatus thereof are disclosed. The method comprises comprising steps of: transmitting an object under inspection using high-energy rays and low-energy rays, so as to obtain a high-energy transmission image and a low-energy transmission image for the object, wherein a value of each pixel in the high-energy image indicates a high-energy transparency of the high-energy rays with respect to corresponding parts of the object, and a value of each pixel in the low-energy image indicates a low-energy transparency of the low-energy rays with respect to corresponding parts of the object; calculating a value of a first function for the high-energy transparency and a value of a second function for the high-energy transparency and the low-energy transparency, for each pixel; and classifying locations determined by the value of the first function and the value of the second function using a pre-created classification curve, so as to identify the type of the substance of a part of the object corresponding to each pixel. With the present invention, it is possible to not only obtain a transmission image of the object, but also obtain material information in the object.

摘要翻译： 公开了一种物质识别方法及其装置。 该方法包括以下步骤：使用高能射线和低能射线发射被检查物体，以获得该物体的高能透射图像和低能透射图像，其中每个像素的值 在高能量图像中表示高能量射线相对于物体的相应部分的高能量透明度，并且低能量图像中的每个像素的值表示低能量透射度的低能量 相对于物体的相应部分的射线; 对于每个像素，计算用于高能量透明度的第一函数的值和用于高能量透明度和低能量透明度的第二函数的值; 以及使用预先创建的分类曲线对由第一函数的值和第二函数的值确定的位置进行分类，以便识别与每个像素对应的对象的一部分的实体的类型。 利用本发明，不仅可以获得对象的发送图像，而且可以获得对象中的素材信息。

公开(公告)号：US07512213B2

公开(公告)日：2009-03-31

申请号：US11801250

申请日：2007-05-08

申请人： Li Zhang ,  Zhiqiang Chen ,  Kejun Kang ,  Haifeng Hu ,  Yuxiang Xing ,  Xinhui Duan ,  Yongshun Xiao ,  Ziran Zhao ,  Yuanjing Li ,  Yinong Liu

发明人： Li Zhang ,  Zhiqiang Chen ,  Kejun Kang ,  Haifeng Hu ,  Yuxiang Xing ,  Xinhui Duan ,  Yongshun Xiao ,  Ziran Zhao ,  Yuanjing Li ,  Yinong Liu

IPC分类号： G01N23/04

CPC分类号： G01N23/046 ,  G01N2223/419 ,  G01T1/2985 ,  G01V5/005 ,  G06T7/0004

摘要： A multiple-view-angle cargo security inspection method for inspecting an object using a cargo security inspection system, the cargo security inspection system including a radiation source for generating a beam of rays for transmitting through the object to be inspected and a data collecting unit for collecting the transmission projection data after the beam of rays has transmitted through the inspected object, the method including a scanning step including: rotating the radiation source and/or the object about a rotation axis so as to achieve a relative rotation, thereby positioning the radiation source in a plurality of discrete positions with different view angles with respect to the inspected object, wherein, in each view angle, the radiation source moves along a straight line in a direction parallel to the rotation axis and at the same time scans the inspected object so as to acquire the transmission projection data at each view angle.

摘要翻译： 一种用于使用货物安全检查系统检查物体的多视角货物安全检查方法，所述货物安全检查系统包括用于产生用于通过待检查对象传送的光束的辐射源，以及用于 在射线束透过被检查物体之后收集透射投影数据，该方法包括扫描步骤，包括：使辐射源和/或物体围绕旋转轴旋转，以实现相对旋转，从而定位辐射 源于相对于被检查物体具有不同视角的多个离散位置，其中，在每个视角中，辐射源沿着平行于旋转轴线的方向沿着直线移动，并且同时扫描被检查物体 以便以每个视角获取传输投影数据。

公开(公告)号：US20090065698A1

公开(公告)日：2009-03-12

申请号：US11997454

申请日：2006-12-22

申请人： Zhiqiang Chen ,  Yuanjing Li ,  Yinong Liu ,  Junli Li ,  Hua Peng ,  Yaohong Liu ,  Shangmin Sun ,  Jinyu Zhang ,  Qingjun Zhang ,  Li Zhang ,  Yali Xie ,  Yanli Deng ,  Ming Ruan ,  Siyuan Liang ,  Guang Yang ,  Wei Jia

发明人： Zhiqiang Chen ,  Yuanjing Li ,  Yinong Liu ,  Junli Li ,  Hua Peng ,  Yaohong Liu ,  Shangmin Sun ,  Jinyu Zhang ,  Qingjun Zhang ,  Li Zhang ,  Yali Xie ,  Yanli Deng ,  Ming Ruan ,  Siyuan Liang ,  Guang Yang ,  Wei Jia

IPC分类号： G01N23/02

CPC分类号： G01N23/10 ,  G01V5/0016

摘要： A radiation inspection system is disclosed. The radiation inspection system comprises: an inspection passage through which a moving object under inspection can pass, a radiation source disposed on a side of the inspection passage for emitting radiation, an array of detectors disposed on the other side of the inspection passage opposite to the radiation source for receiving the radiation emitted from the radiation source, a detector for detecting the moving object, and a controller for receiving a signal from the detector and controlling the radiation source to emit radiation when the detector detects the moving object for radiation imaging and inspection of the moving object. According to the radiation inspection system, the controller can control the radiation source to automatically emit radiation beam based on the detection signal from the detector for inspecting the moving object. As a result, inspection efficiency is improved, safety is increased, and misoperation of the radiation source is eliminated.

摘要翻译： 公开了一种辐射检查系统。 辐射检查系统包括：被检查的运动物体可以穿过的检查通道，设置在检查通道的侧面用于发射辐射的辐射源，设置在与检查通道相对的检查通道的另一侧的检测器阵列 用于接收从辐射源发射的辐射的辐射源，用于检测移动物体的检测器，以及用于当检测器检测到用于放射线成像和检查的移动物体时从检测器接收信号并控制辐射源发射辐射的控制器 的移动物体。 根据辐射检测系统，控制器可以根据来自检测器的检测信号，控制辐射源自动发射辐射束，以检测移动物体。 结果，提高了检查效率，增加了安全性，并且消除了辐射源的误操作。

公开(公告)号：US07499522B2

公开(公告)日：2009-03-03

申请号：US11801272

申请日：2007-05-08

申请人： Zhiqiang Chen ,  Li Zhang ,  Kejun Kang ,  Haifeng Hu ,  Yuanjing Li ,  Yinong Liu ,  Hewei Gao ,  Ziran Zhao ,  Yuxiang Xing ,  Yongshun Xiao ,  Jianmin Li

发明人： Zhiqiang Chen ,  Li Zhang ,  Kejun Kang ,  Haifeng Hu ,  Yuanjing Li ,  Yinong Liu ,  Hewei Gao ,  Ziran Zhao ,  Yuxiang Xing ,  Yongshun Xiao ,  Jianmin Li

IPC分类号： G01N23/04

CPC分类号： G01N23/04 ,  G06T7/0004

摘要： A cargo security inspection system inspecting an object moving through the system, including: a mechanical conveyance unit carrying, conveying, and defining a travel path of the object in the system; a radiation-generating unit generating ray beams for transmitting through the object; and a data collecting unit collecting transmission data about the rays having already transmitted through the object and processing the transmission data; wherein the travel path includes at least two linear sub-paths at an angle relative to each other; the data collecting unit includes at least two detector arrays receiving ray beams, each detector array corresponding to one linear sub-path, a receiving plane of each of the detector arrays disposed parallel to its corresponding linear sub-path; and in use, the radiation-generating and data collecting units remain stationary, and the object travels along its travel path and only translates on the at least two linear sub-paths without any rotation.

摘要翻译： 检查通过系统移动的物体的货物安全检查系统，包括：机械传送单元，承载，传送和限定系统中物体的行进路径; 辐射产生单元，其产生用于透过物体的射线束; 以及数据收集单元，收集关于已经通过对象发送的射线的发送数据，并处理发送数据; 其中所述行进路径包括相对于彼此成一定角度的至少两个线性子路径; 所述数据收集单元包括至少两个接收射线束的检测器阵列，每个检测器阵列对应于一个线性子路径，每个检测器阵列的接收平面平行于其对应的线性子路径设置; 并且在使用中，辐射产生和数据收集单元保持静止，并且物体沿其行进路径行进，并且仅在至少两个线性子路径上平移而没有任何旋转。

公开(公告)号：US07497618B2

公开(公告)日：2009-03-03

申请号：US11974458

申请日：2007-10-12

申请人： Zhiqiang Chen ,  Kejun Kang ,  Haifeng Hu ,  Yuanjing Li ,  Hua Peng ,  Chuanxiang Tang ,  Shangmin Sun ,  Yinong Liu ,  Jianmin Li ,  Junli Li ,  Li Zhang ,  Yaohong Liu ,  Nan Jiang ,  Zhongrong Yang ,  Tao Wang

发明人： Zhiqiang Chen ,  Kejun Kang ,  Haifeng Hu ,  Yuanjing Li ,  Hua Peng ,  Chuanxiang Tang ,  Shangmin Sun ,  Yinong Liu ,  Jianmin Li ,  Junli Li ,  Li Zhang ,  Yaohong Liu ,  Nan Jiang ,  Zhongrong Yang ,  Tao Wang

IPC分类号： H05G1/02

CPC分类号： G01V5/0016

摘要： A mobile vehicle inspection system includes a moving device; a driving device for driving the moving device to move during scanning inspection; a radiation source disposed on the moving device for emitting a ray; a rotary table pivotally disposed on the moving device; an upright post installed on the rotary table at a lower end of the upright post; transverse detector beam having an end connected with an upper end of the upright post; the upright detector beam having an upper end connected with the other end of the transverse detector beam, and extending downwards from the other end of the transverse detector beam so that the upright post, the transverse detector beam and the upright detector beam constitute a frame of a substantial inverted “U” shape, a ray emitted from the radiation source so as to inspect a vehicle to be inspected which passes through the inverted-“U”-shaped frame.

摘要翻译： 移动车辆检查系统包括移动装置; 用于在扫描检查期间驱动移动装置移动的驱动装置; 设置在所述移动装置上用于发射射线的辐射源; 枢转地设置在所述移动装置上的旋转台; 在立柱的下端安装在旋转台上的立柱; 横向检测器梁的一端与直立柱的上端连接; 直立检测器梁具有与横向检测器梁的另一端连接的上端，并且从横向检测器梁的另一端向下延伸，使得立柱，横向检测器梁和竖直检测器梁构成框架 大体上倒置的“U”形，从辐射源发出的射线，以检查通过倒置“U”形框架的被检查车辆。

公开(公告)号：US20090006019A1

公开(公告)日：2009-01-01

申请号：US12078981

申请日：2008-04-09

申请人： Kejun Kang ,  Zhiqiang Chen ,  Haifeng Hu ,  Yuanjing Li ,  Li Zhang ,  Yinong Liu ,  Xuewu Wang ,  Lijun Qiu ,  Hong Zhang

发明人： Kejun Kang ,  Zhiqiang Chen ,  Haifeng Hu ,  Yuanjing Li ,  Li Zhang ,  Yinong Liu ,  Xuewu Wang ,  Lijun Qiu ,  Hong Zhang

IPC分类号： G01N37/00

CPC分类号： G01N23/046 ,  G01N2223/419

摘要： Disclosed are a method and a device for inspection of drugs concealed in liquid articles without opening the outer packages. The method comprises the steps of: emitting radiation beams to transmit through the liquid article; receiving the radiation beams transmitted through the liquid article to get multi-angle projection data; inversely operating the multi-angle projection data based on the uniformity of the liquid article to obtain an attribute value of the inspected liquid article; retrieving a reference attribute value in a pre-created database by using the identification information of the liquid article as an index, and calculating a difference between the calculated attribute value and the reference attribute value; and determining whether the difference is larger than a predefined threshold value; wherein it is concluded that there are drugs concealed in the liquid article when the difference is determined to be larger than the predefined threshold value.

摘要翻译： 公开了一种用于检查隐藏在液体制品中的药物的方法和装置，而不打开外包装。 该方法包括以下步骤：发射辐射束以透过液体制品; 接收透过液体物品的辐射束，得到多角度投影数据; 基于液体制品的均匀性反向操作多角度投影数据，以获得被检液体的属性值; 通过使用液体物品的识别信息作为索引，在预先创建的数据库中检索参考属性值，以及计算所计算的属性值和参考属性值之间的差; 以及确定所述差异是否大于预定阈值; 其中，当确定差异大于预定阈值时，可以认为在液体制品中存在隐藏的药物。