公开(公告)号：US08374310B2

公开(公告)日：2013-02-12

申请号：US12665301

申请日：2008-06-19

申请人： Kejun Kang ,  Haifeng Hu ,  Yigang Yang ,  Zhiqiang Chen ,  Qitian Miao ,  Jianping Cheng ,  Yuanjing Li ,  Yinong Liu ,  Hua Peng ,  Tiezhu Li ,  Ziran Zhao ,  Yaohong Liu ,  Wanlong Wu

发明人： Kejun Kang ,  Haifeng Hu ,  Yigang Yang ,  Zhiqiang Chen ,  Qitian Miao ,  Jianping Cheng ,  Yuanjing Li ,  Yinong Liu ,  Hua Peng ,  Tiezhu Li ,  Ziran Zhao ,  Yaohong Liu ,  Wanlong Wu

IPC分类号： G01N23/04

CPC分类号： G21B1/19 ,  C09D5/1606 ,  G21G4/02 ,  H05H6/00

摘要： A method and a system for contraband detection in an object using photoneutrons and x-rays includes an x-ray generator that generates an x-ray main beam including a first x-ray beam and a second x-ray beam, the first x-ray beam being directed to pass through the object. A photoneutron conversion target is arranged to receive the second x-ray beam so as to generate photoneutrons, the photoneutrons being directed to enter the object and react with the object to emit characteristic γ-rays. An x-ray detecting arrangement is arranged to receive the first x-ray beam that has passed through the object in order to perform x-ray imaging detection of the detected object. A γ-ray detecting arrangement is arranged to receive the characteristic γ-rays in order to perform neutron detection of the object based on the characteristic γ-rays. The x-ray imaging detection and the neutron detection are simultaneously performed.

摘要翻译： 使用光子中子和X射线的物体中的违禁品检测方法和系统包括产生包括第一X射线束和第二X射线束的X射线主光束的X射线发生器， 射线束被引导通过物体。 光子中子转换目标被布置成接收第二x射线束以产生光子酮，所述光子酮被引导进入物体并与物体反应以发射特征γ射线。 X射线检测装置被布置成接收已经通过物体的第一x射线束，以对被检测物体进行X射线成像检测。 γ射线检测装置被布置成接收特征γ射线，以便基于特征γ射线进行物体的中子检测。 同时进行x射线成像检测和中子检测。

公开(公告)号：US20100040192A1

公开(公告)日：2010-02-18

申请号：US12509977

申请日：2009-07-27

申请人： Li Zhang ,  Zhiqiang Chen ,  Kejun Kang ,  Haifeng Hu ,  Yuxiang Xing ,  Xinhui Duan ,  Yuanjing Li ,  Yinong Liu ,  Qingping Huang

发明人： Li Zhang ,  Zhiqiang Chen ,  Kejun Kang ,  Haifeng Hu ,  Yuxiang Xing ,  Xinhui Duan ,  Yuanjing Li ,  Yinong Liu ,  Qingping Huang

IPC分类号： A61B6/00

CPC分类号： G01V5/005 ,  G01V5/0041

摘要： Disclosed is an image reconstruction method in a high-energy dual-energy CT system. The method comprises steps of scanning an objection with high-energy dual-energy rays to obtain high-energy dual-energy projection values, calculating projection values of base material coefficients corresponding to the dual-energy projection values on the basis of a pre-created lookup table or by analytically solving a set of equations, and obtaining an image of base material coefficient distribution based on the projection values of base material coefficients. The method provides a solution for reconstruction with high-energy dual energy CT technology and thus a more effective approach for substance identification and contraband inspection, thereby bringing a significant improvement on accuracy and efficiency in security inspection.

摘要翻译： 公开了一种高能双能CT系统中的图像重建方法。 该方法包括以高能双能量射线扫描异物以获得高能双能量投影值的步骤，基于预先创建的计算来计算对应于双能量投影值的基材系数的投影值 查找表或通过分析求解一组方程，并且基于基材系数的投影值获得基材系数分布的图像。 该方法为高能双能CT技术的重建提供了解决方案，是物质识别和违禁检测的有效途径，从而大大提高了安全检测的准确性和效率。

公开(公告)号：US08306180B2

公开(公告)日：2012-11-06

申请号：US12509977

申请日：2009-07-27

申请人： Li Zhang ,  Zhiqiang Chen ,  Kejun Kang ,  Haifeng Hu ,  Yuxiang Xing ,  Xinhui Duan ,  Yuanjing Li ,  Yinong Liu ,  Qingping Huang

发明人： Li Zhang ,  Zhiqiang Chen ,  Kejun Kang ,  Haifeng Hu ,  Yuxiang Xing ,  Xinhui Duan ,  Yuanjing Li ,  Yinong Liu ,  Qingping Huang

IPC分类号： A61B6/00 ,  G01N23/04

CPC分类号： G01V5/005 ,  G01V5/0041

摘要： Disclosed is an image reconstruction method in a high-energy dual-energy CT system. The method comprises steps of scanning an objection with high-energy dual-energy rays to obtain high-energy dual-energy projection values, calculating projection values of base material coefficients corresponding to the dual-energy projection values on the basis of a pre-created lookup table or by analytically solving a set of equations, and obtaining an image of base material coefficient distribution based on the projection values of base material coefficients. The method provides a solution for reconstruction with high-energy dual energy CT technology and thus a more effective approach for substance identification and contraband inspection, thereby bringing a significant improvement on accuracy and efficiency in security inspection.

摘要翻译： 公开了一种高能双能CT系统中的图像重建方法。 该方法包括以高能双能量射线扫描异物以获得高能双能量投影值的步骤，基于预先创建的计算来计算对应于双能量投影值的基材系数的投影值 查找表或通过分析求解一组方程，并且基于基材系数的投影值获得基材系数分布的图像。 该方法为高能双能CT技术的重建提供了解决方案，是物质识别和违禁检测的有效途径，从而大大提高了安全检测的准确性和效率。

公开(公告)号：US07702070B2

公开(公告)日：2010-04-20

申请号：US12204491

申请日：2008-09-04

申请人： Kejun Kang ,  Ziran Zhao ,  Hua Peng ,  Zhiqiang Chen ,  Yuanjing Li ,  Yinong Liu ,  Li Zhang ,  Yaohong Liu ,  Zhizhong Liang ,  Dongmao Li ,  Cong Liu ,  Huabin Tan ,  Yongpeng Liu ,  Xinhui Duan ,  Xueyou Zhou

发明人： Kejun Kang ,  Ziran Zhao ,  Hua Peng ,  Zhiqiang Chen ,  Yuanjing Li ,  Yinong Liu ,  Li Zhang ,  Yaohong Liu ,  Zhizhong Liang ,  Dongmao Li ,  Cong Liu ,  Huabin Tan ,  Yongpeng Liu ,  Xinhui Duan ,  Xueyou Zhou

IPC分类号： G01N23/04

CPC分类号： G01V5/005

摘要： A device for inspecting contraband in an aviation cargo containers includes: a turntable located at an object inspecting position and configured to carry the object to be inspected and bring the object into rotation; an object conveying system; a scanning system including a radiation source and a detector which can synchronously move in the vertical direction; a turntable drive/control system which drives and controls rotation of said turntable so that the turntable can continuously rotate about its rotation axis or rotate to any predetermined angular position; a scanning drive/control system which drives and controls the radiation source and the detector into synchronous movement in the vertical direction so that the radiation source and the detector can continuously move in the vertical direction or move to any predetermined vertical position. The device of the present invention can scan the object and form images in various scanning modes to meet different needs.

摘要翻译： 一种用于检查航空货物集装箱中的违禁品的装置，包括：位于物体检查位置的转盘，其构造成承载被检查物体并使物体旋转; 物体输送系统; 包括能够沿垂直方向同步移动的辐射源和检测器的扫描系统; 转盘驱动/控制系统，其驱动和控制所述转台的旋转，使得转盘可以围绕其旋转轴线连续旋转或旋转到任何预定的角位置; 扫描驱动/控制系统，其将辐射源和检测器驱动并控制在垂直方向上的同步运动，使得辐射源和检测器可以在垂直方向上连续移动或移动到任何预定的垂直位置。 本发明的装置可以扫描对象并以各种扫描模式形成图像以满足不同的需要。

公开(公告)号：US07634055B2

公开(公告)日：2009-12-15

申请号：US11634330

申请日：2006-12-05

申请人： Haifeng Hu ,  Yuanjing Li ,  Kejun Kang ,  Zhiqiang Chen ,  Yinong Liu ,  Yulan Li ,  Li Zhang ,  Wanlong Wu ,  Ziran Zhao ,  Xilei Luo ,  Bin Sang

发明人： Haifeng Hu ,  Yuanjing Li ,  Kejun Kang ,  Zhiqiang Chen ,  Yinong Liu ,  Yulan Li ,  Li Zhang ,  Wanlong Wu ,  Ziran Zhao ,  Xilei Luo ,  Bin Sang

IPC分类号： G01B15/02 ,  G01N23/04

CPC分类号： G01N23/10

摘要： Disclosed is a method and a device for security-inspection of liquid articles with radiations, which relate to the field of radiation inspection technology. The method comprises steps of acquiring original environment information, emitting radiation beams to transmit the liquid articles, receiving the radiation beams transmitted through the liquid articles to form multi-angle projection data, computing a radiation absorption coefficient of the liquid articles to be detected by inverse operation of the multi-angle projection data, based on the initial environmental information and the uniformity of the liquid articles, and comparing the radiation absorption coefficients with the preset data to get the relevant information of the liquid articles. Comparing with the prior art, the present invention is not subjected to affection of cuter package of the liquid article, and is advantageous of high anti-jamming high accuracy, high safety and reliability, low cost and small size.

摘要翻译： 公开了一种与放射线检测技术相关的液体物品的辐射安全检查的方法和装置。 该方法包括以下步骤：获取原始环境信息，发射辐射束以透射液体物品，接收通过液体物品传播的辐射束以形成多角度投影数据;计算待反应的待检测液体物品的辐射吸收系数 基于初始环境信息和液体制品的均匀性，多个投影数据的操作，以及将辐射吸收系数与预设数据进行比较以获得液体物品的相关信息。 与现有技术相比，本发明不受液体制品外包装的影响，具有抗干扰性高，安全可靠，成本低，体积小的优点。

公开(公告)号：US07330534B2

公开(公告)日：2008-02-12

申请号：US11523745

申请日：2006-09-19

申请人： Yulan Li ,  Yuanjing Li ,  Zhiqiang Chen ,  Yinong Liu ,  Qitian Miao ,  Wanlong Wu ,  Ziran Zhao ,  Xilei Luo ,  Li Zhang ,  Bin Sang ,  Hailin Wang

发明人： Yulan Li ,  Yuanjing Li ,  Zhiqiang Chen ,  Yinong Liu ,  Qitian Miao ,  Wanlong Wu ,  Ziran Zhao ,  Xilei Luo ,  Li Zhang ,  Bin Sang ,  Hailin Wang

IPC分类号： G21K1/00 ,  G21K1/02 ,  G21K1/04

CPC分类号： G21K1/025 ,  G21K1/04 ,  G21K5/04

摘要： The present invention discloses a ray beam guiding apparatus, comprising a ray beam guiding box having substantially fan-shaped top and bottom surfaces, defining an inner space, and having open wide and narrow ends; an engaging member joined to the narrow end of the box; a first collimator mounted to the box adjacent to the narrow end for adjusting size/shape of the ray beam in horizontal vertical direction; a second collimator having a calibration slit or grill and mounted to the box adjacent to the wide end; and an adjusting member connecting the engaging member and a ray generator to adjust a distance therebetween. The box can adjust size/shape and centering of the ray beam, so that inspection quality can be improved and thickness of the ray shielding layer can be reduced, the box is applicable to a ray inspection system which performs security inspection of liquid articles.

摘要翻译： 本发明公开了一种射线束引导装置，包括具有大致扇形的顶面和底面的光束引导盒，其限定内部空间，并具有开口的宽而窄的端部; 接合到箱的窄端的接合构件; 安装在与窄端相邻的箱体上的第一准直器，用于调节水平垂直方向上的射线束的尺寸/形状; 具有校准狭缝或格栅的第二准直器，并且安装到与所述宽端相邻的所述箱体; 以及调节构件，其连接所述接合构件和射线发生器以调节它们之间的距离。 该盒子可以调节射线束的尺寸/形状和对中，从而可以提高检查质量，并且可以减小射线屏蔽层的厚度，该盒子适用于进行液体物品的安全检查的射线检查系统。

公开(公告)号：US20070064875A1

公开(公告)日：2007-03-22

申请号：US11523745

申请日：2006-09-19

申请人： Yulan Li ,  Yuanjing Li ,  Zhiqiang Chen ,  Yinong Liu ,  Qitian Miao ,  Wanlong Wu ,  Ziran Zhao ,  Xilei Luo ,  Li Zhang ,  Bin Sang ,  Hailin Wang

发明人： Yulan Li ,  Yuanjing Li ,  Zhiqiang Chen ,  Yinong Liu ,  Qitian Miao ,  Wanlong Wu ,  Ziran Zhao ,  Xilei Luo ,  Li Zhang ,  Bin Sang ,  Hailin Wang

IPC分类号： G21K1/02

CPC分类号： G21K1/025 ,  G21K1/04 ,  G21K5/04

摘要： The present invention discloses a ray beam guiding apparatus, comprising a ray beam guiding box having substantially fan-shaped top and bottom surfaces, defining an inner space, and having open wide and narrow ends; an engaging member joined to the narrow end of the box; a first collimator mounted to the box adjacent to the narrow end and adapted to adjust size/shape of the ray beam in horizontal vertical direction; a second collimator having a calibration slit or grill and mounted to the box adjacent to the wide end; and an adjusting member connecting the engaging member and a ray generator to adjust a distance therebetween. The box can adjust size/shape and centering of the ray beam, so that inspection quality can be improved and thickness of the ray shielding layer can be reduced, the box is applicable to a ray inspection system which performs security inspection of liquid articles.

摘要翻译： 本发明公开了一种射线束引导装置，包括具有大致扇形的顶面和底面的光束引导盒，其限定内部空间，并具有开口的宽而窄的端部; 接合到箱的窄端的接合构件; 第一准直器，其安装在与窄端相邻的箱体上，并适于在水平垂直方向上调节射线束的尺寸/形状; 具有校准狭缝或格栅的第二准直器，并且安装到与所述宽端相邻的所述箱体; 以及调节构件，其连接所述接合构件和射线发生器以调节它们之间的距离。 该盒子可以调节射线束的尺寸/形状和对中，从而可以提高检查质量，并且可以减小射线屏蔽层的厚度，该盒子适用于进行液体物品的安全检查的射线检查系统。

公开(公告)号：US08983033B2

公开(公告)日：2015-03-17

申请号：US13142668

申请日：2011-04-28

申请人： Zhiqiang Chen ,  Yuanjing Li ,  Ziran Zhao ,  Yinong Liu ,  Wanlong Wu ,  Li Zhang ,  Chao Tu ,  Le Tang ,  Yingkang Jin ,  Shuo Cao ,  Guangwei Ding

发明人： Zhiqiang Chen ,  Yuanjing Li ,  Ziran Zhao ,  Yinong Liu ,  Wanlong Wu ,  Li Zhang ,  Chao Tu ,  Le Tang ,  Yingkang Jin ,  Shuo Cao ,  Guangwei Ding

IPC分类号： G01N23/203

CPC分类号： G01N23/203

摘要： The present invention discloses a scanning device of back-scatter imaging with a radiation beam, comprising: a radiation source; a fixed shield plate and a rotatable shield body disposed between the radiation source and a object to be scanned respectively, wherein the fixed shield plate is stationary with respect to the radiation source and the rotatable shield body is rotatable with respect to the fixed shield plate. The fixed shield plate is provided with a ray passing-through region thereon, which allows for a radiation beam from the radiation source to pass through the fixed shield plate, a ray incidence region and a ray emergence region are arranged on the rotatable shield body respectively, during the rotatable scanning of the rotatable shield body, the ray passing-through region of the fixed shield plate continuously intersects with the ray incidence region and the ray emergence region of the rotatable shield body to generate collimated holes for scanning. The ray passing-through region of the fixed shield plate is a rectilinear slit, the rotatable shield body is a cylinder, and the ray incidence and emergence regions are configured to be a series of small discrete holes disposed along a spiral line respectively. In addition, the present invention discloses a scanning method for back-scatter imaging with a radiation beam.

摘要翻译： 本发明公开了一种具有辐射束的背散射成像的扫描装置，包括：辐射源; 固定屏蔽板和设置在辐射源和待扫描物体之间的可旋转屏蔽体，其中固定屏蔽板相对于辐射源是静止的，并且可旋转屏蔽体相对于固定屏蔽板可旋转。 固定屏蔽板在其上设有射线通过区域，其允许来自辐射源的辐射束穿过固定屏蔽板，射线入射区域和射线出射区域分别布置在可旋转屏蔽体上 在可旋转的屏蔽体的可旋转扫描期间，固定屏蔽板的光线通过区域与可旋转屏蔽体的射线入射区域和射线出射区域连续相交，以产生用于扫描的准直孔。 固定屏蔽板的光线通过区域是直线狭缝，可旋转的屏蔽体是圆柱体，射线入射区域和出射区域分别被配置成沿着螺旋线设置的一系列小的分立孔。 此外，本发明公开了一种利用辐射束进行背散射成像的扫描方法。

公开(公告)号：US08513615B2

公开(公告)日：2013-08-20

申请号：US13126067

申请日：2010-12-29

申请人： Zhiqiang Chen ,  Ziran Zhao ,  Yuanjing Li ,  Wanlong Wu ,  Yinong Liu ,  Li Zhang ,  Dong Lin ,  Zongjun Shen ,  Xilei Luo ,  Zhimin Zheng ,  Yingkang Jin ,  Shuo Cao ,  Bin Sang

发明人： Zhiqiang Chen ,  Ziran Zhao ,  Yuanjing Li ,  Wanlong Wu ,  Yinong Liu ,  Li Zhang ,  Dong Lin ,  Zongjun Shen ,  Xilei Luo ,  Zhimin Zheng ,  Yingkang Jin ,  Shuo Cao ,  Bin Sang

IPC分类号： G01J5/02

CPC分类号： G01V8/005 ,  G01K11/006 ,  G01N22/00

摘要： The present invention discloses a millimeter-wave inspection apparatus. The millimeter-wave inspection apparatus comprises: optics devices, configured to receive millimeter-wave energy radiated from an object to be inspected and focus the received millimeter-wave energy; a radiometer receiving device configured to receive the focused millimeter-wave energy and transform the millimeter-wave energy into electrical signal; and an imaging device configured to generate a temperature image of the object to be inspected based on the electrical signal. Compared with the prior art, the millimeter-wave inspection apparatus of the present invention has a simple and compact structure; it would not be harmful to the human health by employing the passive millimeter-wave human body security inspection technology. With the above configuration, the contraband items to be concealed within the human clothing can be efficiently and effectively detected.

摘要翻译： 本发明公开了一种毫米波检测装置。 毫米波检查装置包括：光学装置，被配置为接收从待检查物体辐射的毫米波能量并聚焦接收的毫米波能量; 辐射计接收装置，被配置为接收聚焦的毫米波能量并将毫米波能量转换成电信号; 以及成像装置，被配置为基于所述电信号生成所述待检查对象的温度图像。 与现有技术相比，本发明的毫米波检测装置具有简单紧凑的结构; 采用被动毫米波人体安全检测技术对人体健康无害。 通过上述结构，能够有效且高效地检测隐藏在人体衣物中的违禁物品。

公开(公告)号：US20120170716A1

公开(公告)日：2012-07-05

申请号：US13142668

申请日：2011-04-28

申请人： Zhiqiang Chen ,  Yuanjing Li ,  Ziran Zhao ,  Yinong Liu ,  Wanlong Wu ,  Li Zhang ,  Chao Tu ,  Le Tang ,  Yingkang Jin ,  Shuo Cao ,  Guangwei Ding

发明人： Zhiqiang Chen ,  Yuanjing Li ,  Ziran Zhao ,  Yinong Liu ,  Wanlong Wu ,  Li Zhang ,  Chao Tu ,  Le Tang ,  Yingkang Jin ,  Shuo Cao ,  Guangwei Ding

IPC分类号： G01N23/203

CPC分类号： G01N23/203

摘要： The present invention discloses a scanning device of back-scatter imaging with a radiation beam, comprising: a radiation source; a fixed shield plate and a rotatable shield body disposed between the radiation source and a object to be scanned respectively, wherein the fixed shield plate is stationary with respect to the radiation source and the rotatable shield body is rotatable with respect to the fixed shield plate. The fixed shield plate is provided with a ray passing-through region thereon, which allows for a radiation beam from the radiation source to pass through the fixed shield plate, a ray incidence region and a ray emergence region are arranged on the rotatable shield body respectively, during the rotatable scanning of the rotatable shield body, the ray passing-through region of the fixed shield plate continuously intersects with the ray incidence region and the ray emergence region of the rotatable shield body to generate collimated holes for scanning. The ray passing-through region of the fixed shield plate is a rectilinear slit, the rotatable shield body is a cylinder, and the ray incidence and emergence regions are configured to be a series of small discrete holes disposed along a spiral line respectively. In addition, the present invention discloses a scanning method for back-scatter imaging with a radiation beam.

摘要翻译： 本发明公开了一种具有辐射束的背散射成像的扫描装置，包括：辐射源; 固定屏蔽板和设置在辐射源和待扫描物体之间的可旋转屏蔽体，其中固定屏蔽板相对于辐射源是静止的，并且可旋转屏蔽体相对于固定屏蔽板可旋转。 固定屏蔽板在其上设有射线通过区域，其允许来自辐射源的辐射束穿过固定屏蔽板，射线入射区域和射线出射区域分别布置在可旋转屏蔽体上 在可旋转的屏蔽体的可旋转扫描期间，固定屏蔽板的光线通过区域与可旋转屏蔽体的射线入射区域和射线出射区域连续相交，以产生用于扫描的准直孔。 固定屏蔽板的光线通过区域是直线狭缝，可旋转的屏蔽体是圆柱体，射线入射区域和出射区域分别被配置成沿着螺旋线设置的一系列小的分立孔。 此外，本发明公开了一种利用辐射束进行背散射成像的扫描方法。