公开(公告)号：US20080056443A1

公开(公告)日：2008-03-06

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： G01N23/06 ,  G01N23/04 ,  G01B15/02

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：US08724889B2

公开(公告)日：2014-05-13

申请号：US13140761

申请日：2011-05-11

申请人： Liang Li ,  Zhiqiang Chen ,  Li Zhang ,  Kejun Kang ,  Yuxiang Xing ,  Ziran Zhao ,  Yongshun Xiao ,  Zhifeng Huang

发明人： Liang Li ,  Zhiqiang Chen ,  Li Zhang ,  Kejun Kang ,  Yuxiang Xing ,  Ziran Zhao ,  Yongshun Xiao ,  Zhifeng Huang

IPC分类号： G06K9/00 ,  A61B6/00 ,  G01N23/00 ,  G21K1/12 ,  H05G1/60

CPC分类号： G06T11/006 ,  G06T2211/421

摘要： A method and apparatus for CT image reconstruction may include selecting, by a unit, projection data of the same height on a curve having a curvature approximate to that of the scanning circular orbit, implementing, by a unit, a weighting processing on the selected projection data, filtering, by a unit, the weighting processed projection data along a horizontal direction, implementing, by a unit, three-dimensional back projection on the filtered projection data along the direction of ray. The method and apparatus can effectively eliminate cone beam artifact under a large cone angle.

摘要翻译： 用于CT图像重建的方法和装置可以包括以单位选择具有接近于扫描圆形轨道的曲率的曲线上具有相同高度的投影数据，由单元实现对所选投影的加权处理 数据，单位滤波沿着水平方向的加权处理的投影数据，通过一个单元沿着沿着光线的方向实现对经滤波的投影数据的三维反投影。 该方法和装置可以有效地消除大锥角下的锥束伪影。

公开(公告)号：US20130094625A1

公开(公告)日：2013-04-18

申请号：US13641542

申请日：2010-12-27

申请人： Zhifeng Huang ,  Zhiqiang Chen ,  Li Zhang ,  Yuanjing Li ,  Yuxiang Xing ,  Ziran Zhao ,  Yongshun Xiao ,  Liang Li ,  Fei Ding

发明人： Zhifeng Huang ,  Zhiqiang Chen ,  Li Zhang ,  Yuanjing Li ,  Yuxiang Xing ,  Ziran Zhao ,  Yongshun Xiao ,  Liang Li ,  Fei Ding

IPC分类号： G01N23/04

CPC分类号： G01N23/046 ,  A61B6/4291 ,  A61B6/484 ,  G01N2223/419

摘要： An X-ray imaging system comprising: an X-ray source, a source grating, a fixed grating module and an X-ray detector, which are successively positioned in the propagation direction of X-ray; an object to be detected is positioned between the source grating and the fixed gating module; said source grating can perform stepping movement in a direction perpendicular to the optical path and grating stripes; wherein the system further comprises a computer workstation for controlling said X-ray source, source grating and X-ray detector so as to perform the following processes: the source grating performs stepping movement in at least one period thereof; at each stepping step, the X-ray source emits X-ray to the object to be detected, and the detector receives the X-ray at the same time; wherein after at least one period of stepping and data acquisition, the light intensity of X-ray at each pixel point on the detector is represented as a light intensity curve; the light intensity curve at each pixel point on the detector is compared with a light intensity curve in the absence of the object to be detected, a pixel value of each pixel point is calculated from change in said light intensity curve; an image of the detected object is reconstructed according to the calculated pixel value.

摘要翻译： 一种X射线成像系统，包括：X射线源，源光栅，固定光栅模块和X射线检测器，其依次位于X射线的传播方向上; 要检测的物体位于源光栅和固定门控模块之间; 所述源光栅可以在垂直于光路和光栅条纹的方向上执行步进运动; 其中所述系统还包括用于控制所述X射线源，源光栅和X射线检测器的计算机工作站，以便执行以下处理：源光栅在其至少一个周期中执行步进运动; 在每个步进步骤中，X射线源向被检测物体发射X射线，并且检测器同时接收X射线; 其中在步进和数据采集的至少一个周期之后，将检测器上每个像素点处的X射线的光强度表示为光强度曲线; 将检测器上的每个像素点处的光强度曲线与不存在待检测对象的光强度曲线进行比较，根据所述光强度曲线的变化计算每个像素点的像素值; 根据计算出的像素值重建被检测物体的图像。

公开(公告)号：US20120106832A1

公开(公告)日：2012-05-03

申请号：US13140761

申请日：2011-05-11

申请人： Liang Li ,  Zhiqiang Chen ,  Li Zhang ,  Kejun Kang ,  Yuxiang Xing ,  Ziran Zhao ,  Yongshun Xiao ,  Zhifeng Huang

发明人： Liang Li ,  Zhiqiang Chen ,  Li Zhang ,  Kejun Kang ,  Yuxiang Xing ,  Ziran Zhao ,  Yongshun Xiao ,  Zhifeng Huang

IPC分类号： G06K9/00

CPC分类号： G06T11/006 ,  G06T2211/421

摘要： A method and apparatus for CT image reconstruction may include selecting, by a unit, projection data of the same height on a curve having a curvature approximate to that of the scanning circular orbit, implementing, by a unit, a weighting processing on the selected projection data, filtering, by a unit, the weighting processed projection data along a horizontal direction, implementing, by a unit, three-dimensional back projection on the filtered projection data along the direction of ray. The method and apparatus can effectively eliminate cone beam artifact under a large cone angle.

摘要翻译： 用于CT图像重建的方法和装置可以包括以单位选择具有接近于扫描圆形轨道的曲率的曲线上具有相同高度的投影数据，由单元实现对所选投影的加权处理 数据，单位滤波沿着水平方向的加权处理的投影数据，通过一个单元沿着沿着光线的方向实现对经滤波的投影数据的三维反投影。 该方法和装置可以有效地消除大锥角下的锥束伪影。

公开(公告)号：US09134259B2

公开(公告)日：2015-09-15

申请号：US13641542

申请日：2010-12-27

申请人： Zhifeng Huang ,  Zhiqiang Chen ,  Li Zhang ,  Yuanjing Li ,  Yuxiang Xing ,  Ziran Zhao ,  Yongshun Xiao ,  Liang Li ,  Fei Ding

发明人： Zhifeng Huang ,  Zhiqiang Chen ,  Li Zhang ,  Yuanjing Li ,  Yuxiang Xing ,  Ziran Zhao ,  Yongshun Xiao ,  Liang Li ,  Fei Ding

IPC分类号： G01N23/00 ,  G01N23/04 ,  A61B6/00

CPC分类号： G01N23/046 ,  A61B6/4291 ,  A61B6/484 ,  G01N2223/419

摘要： An X-ray imaging system comprising: an X-ray source, a source grating, a fixed grating module and an X-ray detector, which are successively positioned in the propagation direction of X-ray; an object to be detected is positioned between the source grating and the fixed gating module; said source grating can perform stepping movement in a direction perpendicular to the optical path and grating stripes; wherein the system further comprises a computer workstation for controlling said X-ray source, source grating and X-ray detector so as to perform the following processes: the source grating performs stepping movement in at least one period thereof; at each stepping step, the X-ray source emits X-ray to the object to be detected, and the detector receives the X-ray at the same time; wherein after at least one period of stepping and data acquisition, the light intensity of X-ray at each pixel point on the detector is represented as a light intensity curve; the light intensity curve at each pixel point on the detector is compared with a light intensity curve in the absence of the object to be detected, a pixel value of each pixel point is calculated from change in said light intensity curve; an image of the detected object is reconstructed according to the calculated pixel value.

摘要翻译： 一种X射线成像系统，包括：X射线源，源光栅，固定光栅模块和X射线检测器，其依次位于X射线的传播方向上; 要检测的物体位于源光栅和固定门控模块之间; 所述源光栅可以在垂直于光路和光栅条纹的方向上执行步进运动; 其中所述系统还包括用于控制所述X射线源，源光栅和X射线检测器的计算机工作站，以便执行以下处理：源光栅在其至少一个周期中执行步进运动; 在每个步进步骤中，X射线源向被检测物体发射X射线，并且检测器同时接收X射线; 其中在步进和数据采集的至少一个周期之后，将检测器上每个像素点处的X射线的光强度表示为光强度曲线; 将检测器上的每个像素点处的光强度曲线与不存在待检测对象的光强度曲线进行比较，根据所述光强度曲线的变化计算每个像素点的像素值; 根据计算出的像素值重建被检测物体的图像。

公开(公告)号：US08027429B2

公开(公告)日：2011-09-27

申请号：US12492739

申请日：2009-06-26

申请人： Haifeng Hu ,  Kejun Kang ,  Li Zhang ,  Xuewu Wang ,  Qingping Huang ,  Yuanjing Li ,  Yinong Liu ,  Ziran Zhao ,  Zhen Wu

发明人： Haifeng Hu ,  Kejun Kang ,  Li Zhang ,  Xuewu Wang ,  Qingping Huang ,  Yuanjing Li ,  Yinong Liu ,  Ziran Zhao ,  Zhen Wu

IPC分类号： G01N23/06 ,  G01N23/087 ,  G01D18/00

CPC分类号： G01N23/04 ,  G01N2223/303 ,  G01N2223/423 ,  G01V5/0041

摘要： Disclosed are a method and a device for real-time mark for a high-energy X-ray dual-energy imaging container inspection system in the radiation imaging field. The method comprises the steps of emitting a first main beam of rays and a first auxiliary beam of rays having a first energy, and a second main beam of rays and a second auxiliary beam of rays having a second energy; causing the first and second main beams of rays transmitting through the article to be inspected; causing the first and second auxiliary beams of rays transmitting through at least one real-time mark material block; collecting values of the first and second main beams of rays that have transmitted through the article to be inspected as dual-energy data; collecting values of the first and second auxiliary beams of rays that have transmitted through the real-time mark material block as adjustment parameters; adjusting the set of classification parameters based on the adjustment parameters; and identifying the substance according to the dual-energy data based on adjusted classification parameters. The method according to the invention simplifies the mark procedure for a substance identification subsystem in a high-energy dual-energy system while improves the stability of the material differentiation result of the system.

摘要翻译： 公开了用于在辐射成像领域中的高能量X射线双能量成像容器检查系统的实时标记的方法和装置。 该方法包括以下步骤：发射第一主光束和具有第一能量的第一辅助光束和第二主射线束以及具有第二能量的第二辅助光束; 导致透过物品的第一和第二主光束被检查; 使得所述第一和第二辅助光束通过至少一个实时标记材料块传播; 收集通过待检测物品的第一和第二主光束的值作为双能数据; 收集通过实时标记材料块传输的第一和第二辅助光束的值作为调整参数; 根据调整参数调整分类参数集; 并根据调整后的分类参数，根据双能数据识别物质。 根据本发明的方法简化了高能双能系统中物质识别子系统的标记程序，同时提高了系统材料分化结果的稳定性。

公开(公告)号：US20090323894A1

公开(公告)日：2009-12-31

申请号：US12492739

申请日：2009-06-26

申请人： Haifeng Hu ,  Kejun Kang ,  Li Zhang ,  Xuewu Wang ,  Qingping Huang ,  Yuanjing Li ,  Yinong Liu ,  Ziran Zhao ,  Zhen Wu

发明人： Haifeng Hu ,  Kejun Kang ,  Li Zhang ,  Xuewu Wang ,  Qingping Huang ,  Yuanjing Li ,  Yinong Liu ,  Ziran Zhao ,  Zhen Wu

IPC分类号： G01N23/06 ,  G01N23/04

CPC分类号： G01N23/04 ,  G01N2223/303 ,  G01N2223/423 ,  G01V5/0041

摘要： Disclosed are a method and a device for real-time mark for a high-energy X-ray dual-energy imaging container inspection system in the radiation imaging field. The method comprises the steps of emitting a first main beam of rays and a first auxiliary beam of rays having a first energy, and a second main beam of rays and a second auxiliary beam of rays having a second energy; causing the first and second main beams of rays transmitting through the article to be inspected; causing the first and second auxiliary beams of rays transmitting through at least one real-time mark material block; collecting values of the first and second main beams of rays that have transmitted through the article to be inspected as dual-energy data; collecting values of the first and second auxiliary beams of rays that have transmitted through the real-time mark material block as adjustment parameters; adjusting the set of classification parameters based on the adjustment parameters; and identifying the substance according to the dual-energy data based on adjusted classification parameters. The method according to the invention simplifies the mark procedure for a substance identification subsystem in a high-energy dual-energy system while improves the stability of the material differentiation result of the system.

摘要翻译： 公开了用于在辐射成像领域中的高能量X射线双能量成像容器检查系统的实时标记的方法和装置。 该方法包括以下步骤：发射第一主光束和具有第一能量的第一辅助光束和第二主射线束以及具有第二能量的第二辅助光束; 导致透过物品的第一和第二主光束被检查; 使得所述第一和第二辅助光束通过至少一个实时标记材料块传播; 收集通过待检测物品的第一和第二主光束的值作为双能数据; 收集通过实时标记材料块传输的第一和第二辅助光束的值作为调整参数; 根据调整参数调整分类参数集; 并根据调整后的分类参数，根据双能数据识别物质。 根据本发明的方法简化了高能双能系统中物质识别子系统的标记程序，同时提高了系统材料分化结果的稳定性。

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：US07722251B2

公开(公告)日：2010-05-25

申请号：US12204525

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： H05G1/02 ,  G01N23/083

CPC分类号： G01V5/0008

摘要： A device for inspecting contraband in an aviation cargo container includes: a turntable and a scanning system, the scanning system including a radiation source; a detector; a radiation source mounting structure; and a detector mounting structure for mounting the detector. Each of said radiation source mounting structure and said detector mounting structure includes at least one column assembly. The radiation source and the detector are mounted on the column assembly and allowed to synchronously ascend and descend along said column assembly. By combining different movement modes of the turntable and the scanning system, the device of the present invention can scan the object in various scanning modes. The device is stable in structure, convenient in installation, and occupies a small space. The device can inspect aviation containers over two meters long and/or over two meters wide and achieve a relatively high passing rate of the objects.

摘要翻译： 一种用于在航空货物集装箱中检查违禁品的装置包括：转台和扫描系统，所述扫描系统包括辐射源; 检测器 辐射源安装结构; 以及用于安装检测器的检测器安装结构。 所述辐射源安装结构和所述检测器安装结构中的每一个包括至少一个柱组件。 辐射源和检测器安装在柱组件上，允许沿着柱组件同步地上升和下降。 通过组合转盘和扫描系统的不同移动模式，本发明的装置可以以各种扫描模式扫描对象。 该装置结构稳定，安装方便，占地面积小。 该装置可以检查两米长和/或两米以上的航空集装箱，达到相对较高的通过率。

公开(公告)号：US08066102B2

公开(公告)日：2011-11-29

申请号：US11525697

申请日：2006-09-22

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

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

IPC分类号： B66B9/02 ,  H01L21/68 ,  G21K5/10

CPC分类号： G01N23/046 ,  G01N2223/419

摘要： A lifting apparatus includes a vertical guide device, a turntable device which is movable along the vertical guide device upwards or downwards, and a first driving device which drives the turntable device moving in an upward and downward direction guided by the vertical guide device. The turntable device includes a bracket which is slidably engaged with the vertical guide device and projects perpendicularly toward a side of the vertical guide device, a turntable which is rotatably provided on the bracket, and a second driving device which rotates the turntable on the bracket.

摘要翻译： 提升装置包括垂直导向装置，可沿着垂直导向装置向上或向下移动的转台装置，以及第一驱动装置，其驱动转盘装置沿垂直导向装置引导的向上和向下方向移动。 转盘装置包括：托架，其与所述垂直引导装置可滑动地接合并且垂直地朝向所述垂直引导装置的侧面突出;转台，其可旋转地设置在所述支架上;以及第二驱动装置，其使所述转盘旋转在所述支架上。