Tomographic imaging systems and methods
    1.
    发明申请
    Tomographic imaging systems and methods 有权
    断层成像系统和方法

    公开(公告)号:US20080025461A1

    公开(公告)日:2008-01-31

    申请号:US11704893

    申请日:2007-02-09

    IPC分类号: G01N23/04 G06F19/00

    CPC分类号: G01N23/046 G01N2223/419

    摘要: A method for operating an inspection system is disclosed in which an item under inspection may be moved in a first direction relative to and at least partially between at least one radiation source and at least some radiation detectors illuminated by the at least one radiation source. The radiation source and detectors may be operated such that ray paths extending linearly between the at least one radiation source and at least some of the radiation detectors form acute angles with respect to a plane having a normal direction coinciding with the first direction that are substantially in excess of three degrees. Data accumulated by the radiation detectors may be processed to form a three-dimensional tomographic data image of at least a portion of the item under inspection. In some embodiments, transmission data based upon outputs of a plurality of radiation detectors may be processed to form a tomographic image, in which, for all possible orientations of a three dimensional plane, the orientation vectors of at least some of the rays of radiation for which transmission data was accumulated and used to form the tomographic image form an angle of less than eighty-five degrees or greater than ninety five degrees with respect to the plane.

    摘要翻译: 公开了一种用于操作检查系统的方法,其中待检查的物品可以相对于并且至少部分地在至少一个辐射源与由至少一个辐射源照射的至少一些辐射探测器之间的第一方向上移动。 可以操作辐射源和检测器,使得在至少一个辐射源与至少一些辐射探测器之间线性延伸的射线路径相对于具有与第一方向重合的平面的平面形成锐角,该平面基本上在 超过三度。 可以处理由辐射检测器累积的数据,以形成被检查物品的至少一部分的三维断层数据图像。 在一些实施例中,可以处理基于多个辐射检测器的输出的传输数据以形成断层图像,其中对于三维平面的所有可能的取向,至少一些辐射射线的取向向量用于 该传输数据被累积并用于形成相对于该平面小于八十五度或大于九十五度的角度的断层图像。

    Radiation scanning systems and methods
    2.
    发明申请
    Radiation scanning systems and methods 有权
    辐射扫描系统和方法

    公开(公告)号:US20080025464A1

    公开(公告)日:2008-01-31

    申请号:US11704905

    申请日:2007-02-09

    IPC分类号: G01N23/10

    CPC分类号: G01N23/04

    摘要: An apparatus may comprise a frame supporting at least first and second skewed radiation sources and at least first and second radiation detectors. The first and second radiation detectors may be substantially non-contiguous such that a substantial gap exists between the first and second radiation detectors that is free of any radiation detectors. Each of the first and second radiation detectors may also configured and arranged to detect radiation emitted by each of the first and second skewed radiation sources.

    摘要翻译: 装置可以包括支撑至少第一和第二偏斜辐射源的框架,以及至少第一和第二辐射检测器。 第一和第二辐射检测器可以基本上不连续,使得在没有任何辐射检测器的第一和第二辐射检测器之间存在实质的间隙。 第一和第二辐射检测器中的每一个也可以被配置和布置成检测由第一和第二偏斜辐射源中的每一个发射的辐射。

    Selective generation of radiation at multiple energy levels
    3.
    发明申请
    Selective generation of radiation at multiple energy levels 有权
    选择性地在多种能级产生辐射

    公开(公告)号:US20080043917A1

    公开(公告)日:2008-02-21

    申请号:US11704894

    申请日:2007-02-09

    IPC分类号: H05G1/56

    CPC分类号: G01V5/0025 G01V5/005

    摘要: A system may comprise a cathode, a target, one or more switches, and a conductive element. The cathode may be configured and arranged to generate an electron beam, and the target may be configured and arranged to emit radiation when electrons in the electron beam impact the target after being accelerated by an energy source. The one or more switches may be configured and arranged to apply either a first voltage or a second voltage from a power supply between the cathode and the target. The conductive element may be disposed between the cathode and the target so as to inhibit the electron beam generated by the cathode from reaching the target when a signal is applied to the conductive element.

    摘要翻译: 系统可以包括阴极,靶,一个或多个开关和导电元件。 阴极可以被配置和布置成产生电子束,并且靶可以被配置和布置成当电子束中的电子在被能量源加速之后撞击靶时发射辐射。 一个或多个开关可以被配置和布置成施加来自阴极和靶之间的电源的第一电压或第二电压。 导电元件可以设置在阴极和靶之间,以便当信号被施加到导电元件时,抑制由阴极产生的电子束到达目标。

    Scatter imaging system
    4.
    发明申请
    Scatter imaging system 审中-公开
    散射成像系统

    公开(公告)号:US20070030955A1

    公开(公告)日:2007-02-08

    申请号:US11351998

    申请日:2006-02-10

    IPC分类号: G01N23/201

    CPC分类号: G01V5/0025

    摘要: A radiation (e.g., X-ray) source and collimator assembly with no moving parts provides a swept-line scan of radiation suitable for imaging or analyzing radiation scattered from an object. Scatter radiation is sensed by (e.g., scintillation devices) to produce a signal which is then able to be processed to produce an image, or to be analyzed.

    摘要翻译: 具有没有运动部件的辐射(例如,X射线)源和准直器组件提供适于成像或分析从物体散射的辐射的辐射的扫描线扫描。 散射辐射由(例如,闪烁装置)感测以产生信号,然后能够对其进行处理以产生图像或进行分析。

    Compact e-beam source for generating X-rays
    5.
    发明申请
    Compact e-beam source for generating X-rays 失效
    用于产生X射线的紧凑型电子束源

    公开(公告)号:US20080075230A1

    公开(公告)日:2008-03-27

    申请号:US11903035

    申请日:2007-09-20

    IPC分类号: H01J35/20

    摘要: Various novel apparatuses and methods for generating X-rays are disclosed. In some embodiments, for example, an apparatus may be configured and arranged so that, for at least one interception point on a particular portion of a scan path on a surface of a target along which a steering element steers an accelerated electron beam (e-beam), both an angle and its complement between a line corresponding to a direction in which the accelerated e-beam is traveling at the interception point and a line oriented normal to the surface of the target at such interception point are greater than forty five degrees.

    摘要翻译: 公开了用于产生X射线的各种新颖的装置和方法。 在一些实施例中,例如,可以对装置进行配置和布置,使得对于目标表面上的扫描路径的特定部分上的至少一个截取点,操纵元件沿着该截取点转向加速的电子束(e- 光束),在与截取点处的加速电子束行进的方向对应的线和在该截取点处与靶的表面垂直的线之间的角度及其补码都大于四十五度 。

    Reconstruction of X-ray images into basis function components using multiple-energy sources
    6.
    发明申请
    Reconstruction of X-ray images into basis function components using multiple-energy sources 失效
    使用多能源将X射线图像重建为基函数分量

    公开(公告)号:US20080013819A1

    公开(公告)日:2008-01-17

    申请号:US11271196

    申请日:2005-11-10

    IPC分类号: G06K9/00

    摘要: An inspection system that forms material sensitive X-ray images of items under inspection. The images are decomposed into basis function images using basis functions representative of materials of interest. The decomposed images may be processed separately to detect concentrations of a material of interest corresponding to one or more of the basis functions. When operated in this mode, the inspection system may be used in applications such as material sorting or security screening. At least one basis function is selected to distinguish a material of interest from other materials likely contained with the item, allowing one of the basis function images to be analyzed to obtain information about a specific material of interest. The images may be automatically analyzed or may be superimposed for display with different visual characteristics assigned to the components associated with each basis function for analysis by a human operator.

    摘要翻译: 检查系统,形成检查项目的物质敏感的X射线图像。 使用表示感兴趣材料的基函数将图像分解为基函数图像。 分解的图像可以单独处理以检测与一个或多个基本功能相对应的感兴趣的材料的浓度。 当在这种模式下操作时,检查系统可以用于诸如材料分选或安全检查的应用中。 选择至少一个基函数来区分感兴趣的材料和可能包含在该项目中的其他材料,从而允许分析基础函数图像之一以获得关于特定感兴趣材料的信息。 图像可以被自动分析或者可以被叠加以用于显示,其具有分配给与每个基本功能相关联的组件的不同视觉特征,以供人类操作者分析。

    Method and apparatus for target transmitting information about a target object between a prescanner and a CT scanner
    7.
    发明申请
    Method and apparatus for target transmitting information about a target object between a prescanner and a CT scanner 有权
    用于在预划器和CT扫描仪之间传送关于目标对象的信息的方法和装置

    公开(公告)号:US20050111619A1

    公开(公告)日:2005-05-26

    申请号:US11018078

    申请日:2004-12-20

    IPC分类号: G01N23/04

    摘要: A method or apparatus for analyzing an object includes an X-ray prescanner that performs a prescan of the object to determine prescan information about the object. Then, a CT scanner performs a CT scan on at least one plane of the object based on the prescan information to determine CT information. In one embodiment, if the CT scan of the object includes or is in the vicinity of metal, then metal artifact correction of a reconstructed image from the CT scan is performed based on the prescan information. In another embodiment, a processor analyzes the CT information and the prescan information to determine whether to update the prescan information based on the CT information

    摘要翻译: 用于分析对象的方法或装置包括执行对象的预扫描以确定关于对象的预扫描信息的X射线预处理器。 然后,CT扫描仪基于预扫描信息对目标的至少一个平面进行CT扫描,以确定CT信息。 在一个实施例中,如果对象的CT扫描包括或处于金属附近,则基于预扫描信息执行来自CT扫描的重建图像的金属伪影校正。 在另一实施例中,处理器分析CT信息和预扫描信息,以确定是否基于CT信息来更新预扫描信息

    User Interface for Contraband Detection System
    8.
    发明申请
    User Interface for Contraband Detection System 审中-公开
    对照检测系统的用户界面

    公开(公告)号:US20080095396A1

    公开(公告)日:2008-04-24

    申请号:US11667036

    申请日:2005-11-03

    IPC分类号: G06K9/00

    CPC分类号: G01V5/0008

    摘要: An improved user interface for use with systems that display images. The interface allows easy control over the appearance of images. The user interface allows motion of a single input device to control at least two parameters of an image mapping. The controls impact the appearance of the image in real time. An operator may use the interface to optimize the appearance of a region of the image. The invention is described in connection with a contraband detection system that includes a touch screen input device. Images formed by the inspection systems are mapped to a display, with parameters provided through the touch screen controlling the mapping. The interface is employed to control the contrast of the image displayed for the operator. The value of one parameter obtained through the interface controls an intensity level at which the contrast mapping is nonlinear. The value of the second parameter obtained through the interface controls the amount of the nonlinearity.

    摘要翻译: 改进的用户界面,用于显示图像的系统。 该界面可以方便地控制图像的外观。 用户界面允许单个输入设备的运动来控制图像映射的至少两个参数。 控件会实时影响图像的外观。 操作者可以使用界面来优化图像区域的外观。 结合包括触摸屏输入装置的违禁品检测系统来描述本发明。 由检查系统形成的图像被映射到显示器,通过触摸屏提供的参数控制映射。 该接口用于控制为操作员显示的图像的对比度。 通过界面获得的一个参数的值控制对比度映射是非线性的强度级别。 通过界面获得的第二个参数的值控制非线性的数量。

    Methods and apparatus for e-beam scanning
    9.
    发明申请
    Methods and apparatus for e-beam scanning 有权
    电子束扫描的方法和装置

    公开(公告)号:US20070081623A1

    公开(公告)日:2007-04-12

    申请号:US11481322

    申请日:2006-07-05

    申请人: Richard Eilbert

    发明人: Richard Eilbert

    摘要: In one aspect, an x-ray scanning device is provided. The x-ray scanning device comprises a target adapted to convert electron-beam (e-beam) energy into x-ray energy, a detector array positioned to detect at least some x-rays emitted from the target, and a conveyer mechanism adapted to convey items to be inspected through an inspection region formed by the target and the detector array, wherein the target and the detector array are rotated out of alignment with each other such that x-rays emitted from the target impinge on diametrically positioned detectors of the detector array without passing through near-side detectors of the detector array.

    摘要翻译: 一方面,提供了一种X射线扫描装置。 X射线扫描装置包括适于将电子束(电子束)能量转换成x射线能量的靶,定位成检测从目标射出的至少一些X射线的检测器阵列,以及适于 通过由目标和检测器阵列形成的检查区域输送要检查的物品,其中目标物和检测器阵列彼此旋转离开对准,使得从目标射出的X射线照射在检测器的直径定位的检测器上 阵列不经过检测器阵列的近侧检测器。

    METHOD AND APPARATUS FOR TRANSMITTING INFORMATION ABOUT A TARGET OBJECT BETWEEN A PRESCANNER AND A CT SCANNER
    10.
    发明申请
    METHOD AND APPARATUS FOR TRANSMITTING INFORMATION ABOUT A TARGET OBJECT BETWEEN A PRESCANNER AND A CT SCANNER 失效
    用于传输预分频器和CT扫描仪之间目标对象的信息的方法和装置

    公开(公告)号:US20050094765A1

    公开(公告)日:2005-05-05

    申请号:US10702814

    申请日:2003-11-06

    IPC分类号: G01N23/04 H05G1/64

    摘要: A method or apparatus for analyzing an object includes an X-ray prescanner that performs a prescan of the object to determine prescan information about the object. Then, a CT scanner performs a CT scan on at least one plane of the object based on the prescan information to determine CT information. In one embodiment, if the CT scan of the object includes or is in the vicinity of metal, then metal artifact correction of a reconstructed image from the CT scan is performed based on the prescan information. In another embodiment, a processor analyzes the CT information and the prescan information to determine whether to update the prescan information based on the CT information

    摘要翻译: 用于分析对象的方法或装置包括执行对象的预扫描以确定关于对象的预扫描信息的X射线预处理器。 然后,CT扫描仪基于预扫描信息对目标的至少一个平面进行CT扫描,以确定CT信息。 在一个实施例中,如果对象的CT扫描包括或处于金属附近,则基于预扫描信息执行来自CT扫描的重建图像的金属伪影校正。 在另一实施例中,处理器分析CT信息和预扫描信息,以确定是否基于CT信息来更新预扫描信息