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公开(公告)号：US20120268272A1
公开(公告)日：2012-10-25
申请号：US13450668
申请日：2012-04-19
CPC分类号： G01V3/12 , A61B5/0522 , A61B5/0536 , A61B5/06 , A61B5/7235
摘要： A method for detecting contraband is provided. The method includes acquiring tomographic image data of a subject at a plurality of frequencies using low frequency electromagnetic tomography, generating a composite image of the subject at each of the plurality of frequencies using the acquired tomographic image data, determining a differentiation parameter for a tissue material at each of the plurality of frequencies, determining a differentiation parameter for a non-tissue material at each of the plurality of frequencies, decomposing the composite images into a tissue image and a non-tissue image using the determined differentiation parameters, wherein the tissue image contains any region of the subject composed of the tissue material and the non-tissue image contains any region of the subject composed of the non-tissue material, and determining whether the non-tissue image contains any non-tissue material.
摘要翻译： 提供了检测违禁品的方法。 该方法包括使用低频电磁层析成像以多个频率获取被检者的断层图像数据，使用获取的断层图像数据在多个频率中的每个频率处生成对象的合成图像，确定组织材料的微分参数 在所述多个频率中的每一个处，确定所述多个频率中的每一个处的非组织材料的微分参数，使用所确定的微分参数将所述合成图像分解为组织图像和非组织图像，其中所述组织图像 包含由所述组织材料组成的所述对象的任何区域，并且所述非组织图像包含由所述非组织材料组成的所述对象的任何区域，以及确定所述非组织图像是否包含任何非组织材料。
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公开(公告)号：US20120269385A1
公开(公告)日：2012-10-25
申请号：US13091736
申请日：2011-04-21
IPC分类号： G06K9/00
CPC分类号： G06T11/006 , G06T2211/408
摘要： A method for imaging an object is provided. The method includes acquiring tomographic image data of the object at a plurality of frequencies, generating a composite image of the object at each of the plurality of frequencies using the acquired tomographic image data, determining a scaling factor for a first material at each of the plurality of frequencies, determining a scaling factor for a second material at each of the plurality of frequencies, and decomposing the composite images into a first discrete image and a second discrete image using the determined scaling factors, wherein the first discrete image contains any region of the object composed of the first material and the second discrete image contains any region of the object composed of the second material.
摘要翻译： 提供了一种用于成像对象的方法。 所述方法包括以多个频率获取所述对象的断层图像数据，使用所获取的断层图像数据在所述多个频率中的每个频率处生成所述对象的合成图像，确定所述多个频率中的每一个处的第一材料的缩放因子 确定所述多个频率中的每个频率处的第二材料的缩放因子，以及使用所确定的缩放因子将所述合成图像分解成第一离散图像和第二离散图像，其中所述第一离散图像包含所述多个频率的任何区域， 由第一材料和第二离散图像组成的物体包含由第二材料组成的物体的任何区域。
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公开(公告)号：US08761438B2
公开(公告)日：2014-06-24
申请号：US13091736
申请日：2011-04-21
IPC分类号： G06K9/00
CPC分类号： G06T11/006 , G06T2211/408
摘要： A method for imaging an object is provided. The method includes acquiring tomographic image data of the object at a plurality of frequencies, generating a composite image of the object at each of the plurality of frequencies using the acquired tomographic image data, determining a scaling factor for a first material at each of the plurality of frequencies, determining a scaling factor for a second material at each of the plurality of frequencies, and decomposing the composite images into a first discrete image and a second discrete image using the determined scaling factors, wherein the first discrete image contains any region of the object composed of the first material and the second discrete image contains any region of the object composed of the second material.
摘要翻译： 提供了一种用于成像对象的方法。 所述方法包括以多个频率获取所述对象的断层图像数据，使用所获取的断层图像数据在所述多个频率中的每个频率处生成所述对象的合成图像，确定所述多个频率中的每一个处的第一材料的缩放因子 确定所述多个频率中的每个频率处的第二材料的缩放因子，以及使用所确定的缩放因子将所述合成图像分解成第一离散图像和第二离散图像，其中所述第一离散图像包含所述多个频率的任何区域， 由第一材料和第二离散图像组成的物体包含由第二材料组成的物体的任何区域。
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公开(公告)号：US20090167322A1
公开(公告)日：2009-07-02
申请号：US11965968
申请日：2007-12-28
CPC分类号： G01N24/08 , G01N24/084 , G01R33/44 , G01R33/441 , G01R33/4808
摘要： A method for classifying a substance is provided. The method includes transmitting an electromagnetic signal at the substance, measuring a portion of the electromagnetic signal reflected by the substance, determining a reflection coefficient of the substance using the measured portion of the electromagnetic signal, and outputting a classification of the substance based on the determined reflection coefficient.
摘要翻译： 提供了一种物质分类方法。 该方法包括在物质上传输电磁信号，测量由物质反射的电磁信号的一部分，使用电磁信号的测量部分确定物质的反射系数，并根据确定的物质输出物质的分类 反射系数。
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公开(公告)号：US08424365B2
公开(公告)日：2013-04-23
申请号：US12572880
申请日：2009-10-02
IPC分类号： G01N27/00
CPC分类号： G01N33/0057 , G01N24/084 , G01N27/622 , G01R33/307 , G01R33/341 , G01R33/422 , G01R33/441 , G01R33/4808 , G01V3/14 , G07C11/00
摘要： A method of operating a screening system includes applying an electromagnetic field to a subject in a region at least partially enclosed by electromagnetic shielding, and measuring an output from a sensor. The output is representative of an interaction of the electromagnetic field and the subject. A trace vapor is collected from the subject within the region, and the trace vapor is identified. Based on the measured sensor output and the identified trace vapor, whether a target material is associated with the subject is determined.
摘要翻译： 操作筛选系统的方法包括：在至少部分被电磁屏蔽包围的区域内向被检体施加电磁场，以及测量传感器的输出。 该输出代表电磁场与被摄体的相互作用。 从区域内的受试者收集痕量蒸汽，并识别痕量蒸汽。 基于所测量的传感器输出和识别的痕量蒸气，确定目标材料是否与受试者相关联。
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6.发明申请Method and Apparatus for Reduced Membrane Desorption Time in Ion Molecular Spectrometry 审中-公开离子分子光谱法降低膜解吸时间的方法和装置公开(公告)号：US20130105685A1
公开(公告)日：2013-05-02
申请号：US13287405
申请日：2011-11-02
CPC分类号： G01N27/622
摘要： An ion mobility spectrometer including an ion identifying unit, a detector in flow communication with the identifying unit, a gas inlet configured to provide gas carrying a sample of interest, a membrane substantially covering the first opening of the detector inlet, the membrane configured to capture the sample of interest on an exterior surface of the membrane, a heating device coupled to the membrane, the heating device configured to increase a temperature of the membrane to a temperature threshold level once the sample of interest is captured enabling molecules in the captured sample of interest to pass through the membrane and into the detector inlet, and a radiant heat source configured to apply radiant heat to the membrane to increase the temperature of the membrane to the temperature threshold level.
摘要翻译： 离子迁移谱仪，包括离子识别单元，与识别单元流动连通的检测器，配置成提供携带感兴趣样品的气体的气体入口，基本上覆盖检测器入口的第一开口的膜，所述膜被构造成捕获 在膜的外表面上的感兴趣样品，耦合到膜的加热装置，加热装置被配置成一旦感兴趣的样品使得所捕获的样品中的分子能够将膜的温度升高到温度阈值水平 通过膜并进入检测器入口的兴趣，以及被配置为向膜施加辐射热以将膜的温度升高到温度阈值水平的辐射热源。
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7.发明授权Apparatus and method for varying magnetic field strength in magnetic resonance measurements 失效在磁共振测量中改变磁场强度的装置和方法公开(公告)号：US07759938B2
公开(公告)日：2010-07-20
申请号：US11966331
申请日：2007-12-28
IPC分类号： G01V3/00
CPC分类号： G01R33/3806 , G01N24/08 , G01R33/3802 , G01R33/383 , H01F7/0278
摘要： Apparatus and method for varying field strength in a magnetic resonance system while keeping a relatively uniform magnetic field distribution. In an embodiment, a two-pole, generally u-shaped magnet assembly generates a static and uniform magnetic field. The magnet assembly includes two facing magnet poles separated by an air gap. Holes may be formed with the magnet poles. The field control rods may be placed at a pre-determined distance into these holes and symmetrically or asymmetrically moved across each magnet poles in a controlled manner to change the magnetic field strength while keeping the uniform magnetic field distribution. Maximum magnetic field strength may occur when the rods are removed. Minimum magnetic field strength may occur when the rods are fully inserted.
摘要翻译： 在磁共振系统中改变场强的装置和方法，同时保持相对均匀的磁场分布。 在一个实施例中，两极通常为u形的磁体组件产生静态和均匀的磁场。 磁体组件包括由气隙分开的两个面对的磁极。 孔可以形成有磁极。 现场控制棒可以以预定距离放置在这些孔中，并且以受控的方式对称地或不对称地移动穿过每个磁极，以改变磁场强度同时保持均匀的磁场分布。 当杆被去除时，可能会发生最大的磁场强度。 当杆完全插入时，可能会发生最小的磁场强度。
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公开(公告)号：US20110193558A1
公开(公告)日：2011-08-11
申请号：US13019927
申请日：2011-02-02
申请人： Christopher W. Crowley , Erik Edmund Magnuson , Alejandro Bussandri , Yotam Margalit , Hector Robert
发明人： Christopher W. Crowley , Erik Edmund Magnuson , Alejandro Bussandri , Yotam Margalit , Hector Robert
IPC分类号： G01R19/00
CPC分类号： G01N24/084 , G01R33/422 , G01R33/441
摘要： A passenger scanning system includes a passenger screening area configured for a person to enter and a shield surrounding at least a portion of the passenger screening area. The shield is configured to reduce a radio frequency interference within the passenger screening area. The passenger scanning system also includes one or more sensors positioned in the passenger screening area at a height configured to be proximate one or more of an abdominal region, a groin region, and a pelvic region of the entered person. The sensors are configured to generate a signal in response to a target substance located in the one or more of the abdominal region, the groin region, and the pelvic region.
摘要翻译： 乘客扫描系统包括配置用于人进入的乘客遮蔽区域和围绕乘客遮蔽区域的至少一部分的屏蔽。 屏蔽被配置为减少乘客屏蔽区域内的射频干扰。 乘客扫描系统还包括位于乘客筛选区域中的一个或多个传感器，其高度被配置为接近所输入的人的腹部区域，腹股沟区域和骨盆区域中的一个或多个。 传感器被配置为响应于位于腹部区域，腹股沟区域和骨盆区域中的一个或多个的目标物质产生信号。
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公开(公告)号：US20100213365A1
公开(公告)日：2010-08-26
申请号：US12572880
申请日：2009-10-02
IPC分类号： H01J49/40
CPC分类号： G01N33/0057 , G01N24/084 , G01N27/622 , G01R33/307 , G01R33/341 , G01R33/422 , G01R33/441 , G01R33/4808 , G01V3/14 , G07C11/00
摘要： A method of operating a screening system includes applying an electromagnetic field to a subject in a region at least partially enclosed by electromagnetic shielding, and measuring an output from a sensor. The output is representative of an interaction of the electromagnetic field and the subject. A trace vapor is collected from the subject within the region, and the trace vapor is identified. Based on the measured sensor output and the identified trace vapor, whether a target material is associated with the subject is determined.
摘要翻译： 操作筛选系统的方法包括：在至少部分被电磁屏蔽包围的区域内向被检体施加电磁场，以及测量传感器的输出。 该输出代表电磁场与被摄体的相互作用。 从区域内的受试者收集痕量蒸汽，并识别痕量蒸汽。 基于所测量的传感器输出和识别的痕量蒸气，确定目标材料是否与受试者相关联。
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公开(公告)号：US20090169433A1
公开(公告)日：2009-07-02
申请号：US11966378
申请日：2007-12-28
申请人： Sankaran Kumar , Christopher Crowley , Erik Edmund Magnuson , Michael Craig Burrell , Frank Mondello , Tracy Lynn Paxon
发明人： Sankaran Kumar , Christopher Crowley , Erik Edmund Magnuson , Michael Craig Burrell , Frank Mondello , Tracy Lynn Paxon
IPC分类号： G01N21/31
CPC分类号： G01N21/658 , G01N2021/651
摘要： A substance identification system is configured to identify at least one detection target faster and with greater accuracy than is possible using prior substance identification systems and/or prior substance identification techniques. A chamber includes a pellet forming area having a predetermined geometry that is configured to maximize a ratio of a pellet surface area to a pellet volume. A magnet is positioned on one side of the chamber and configured to form a pellet of aggregated magnetic particles in the pellet forming area. A laser source is positioned on the same side of the chamber as the magnet and configured to illuminate the pellet, when the pellet is formed in the pellet forming area.
摘要翻译： 物质识别系统配置成比使用先前物质识别系统和/或先前物质识别技术更快，更准确地识别至少一个检测目标。 腔室包括具有预定几何形状的丸粒形成区域，其被构造成使球团表面积与球团体积的比例最大化。 磁体位于室的一侧，并且构造成在颗粒形成区域中形成聚集的磁性颗粒的颗粒。 当颗粒形成在颗粒形成区域中时，激光源被定位在与磁体相同的腔室的相同侧上并被配置为照射颗粒。
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