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    Method and system for CT reconstruction with pre-correction
    53.
    发明申请
    Method and system for CT reconstruction with pre-correction 失效
    预矫正CT重建方法与系统

    公开(公告)号：US20060067461A1

    公开(公告)日：2006-03-30

    申请号：US10955623

    申请日：2004-09-30

    申请人： Zhye Yin ,  Jong Ye ,  Francis Little ,  Forrest Hopkins ,  Michael Gong ,  Yanfeng Du

    发明人： Zhye Yin ,  Jong Ye ,  Francis Little ,  Forrest Hopkins ,  Michael Gong ,  Yanfeng Du

    IPC分类号： H05G1/60 ,  A61B6/00

    CPC分类号： G06T5/10 ,  G06T11/005 ,  G06T11/006 ,  G06T2211/421

    摘要： A method for reconstructing image data from measured sinogram data acquired from a CT system is provided. The CT system is configured for industrial imaging. The method includes pre-processing the measured sinogram data. The pre-processing includes performing a beam hardening correction on the measured sinogram data and performing a detector point spread function (PSF) correction and a detector lag correction on the measured sinogram data. The pre-processed sinogram data is reconstructed to generate the image data.

    摘要翻译： 提供了一种用于从CT系统获取的测量的正弦图数据重建图像数据的方法。 CT系统配置为工业成像。 该方法包括预处理测得的正弦图数据。 预处理包括对测量的正弦图数据执行光束硬化校正，并对测量的正弦图数据执行检测器点扩展函数（PSF）校正和检测器滞后校正。 重建预处理的正弦图数据以生成图像数据。

    TARGET-LINKED RADIATION IMAGING SYSTEM
    54.
    发明申请
    TARGET-LINKED RADIATION IMAGING SYSTEM 审中-公开
    目标连接辐射成像系统

    公开(公告)号：US20120008828A1

    公开(公告)日：2012-01-12

    申请号：US13084248

    申请日：2011-04-11

    申请人： Brian David Yanoff ,  Walter Vincent Dixon, III ,  Yanfeng Du ,  Nils Oliver Krahnstoever ,  Feng Pan

    发明人： Brian David Yanoff ,  Walter Vincent Dixon, III ,  Yanfeng Du ,  Nils Oliver Krahnstoever ,  Feng Pan

    IPC分类号： G06K9/00

    CPC分类号： G01T7/00 ,  G01V5/0075

    摘要： An imaging detection system includes at least one location detection device configured to determine coordinates of a target, at least one detector configured to detect events from a source associated with the target, and a processor coupled in communication with the at least one location detection device and the at least one detector. The processor is configured to receive the coordinates from the at least one location detection device and the events from the at least one detector, translate the events using the coordinates acquired from the at least one location detection device to compensate for a relative motion between the source and the at least one detector, and output a processed data set having the events translated based on the coordinates.

    摘要翻译： 成像检测系统包括被配置为确定目标的坐标的至少一个位置检测装置，被配置为从与目标相关联的源检测事件的至少一个检测器以及与所述至少一个位置检测装置通信耦合的处理器，以及 所述至少一个检测器。 处理器被配置为从至少一个位置检测装置接收坐标和来自至少一个检测器的事件，使用从至少一个位置检测装置获取的坐标平移事件，以补偿来自源 和所述至少一个检测器，并且输出具有基于坐标转换的事件的经处理的数据集。

    Method for detecting the presence of high atomic number elements
    55.
    发明授权
    Method for detecting the presence of high atomic number elements 失效
    用于检测高原子序数元素的存在的方法

    公开(公告)号：US07809103B2

    公开(公告)日：2010-10-05

    申请号：US11756027

    申请日：2007-05-31

    申请人： Yanfeng Du ,  Forrest Frank Hopkins ,  Joseph Bendahan

    发明人： Yanfeng Du ,  Forrest Frank Hopkins ,  Joseph Bendahan

    IPC分类号： G01N23/087

    CPC分类号： G01N23/09

    摘要： Disclosed herein is a method for detecting high atomic number elements in an article by using radiation having two different energies. The detecting of high atomic number elements can be accomplished by using an algorithm, curve fitting or using a data table. Disclosed herein too is a radiation system that uses the aforementioned method for detecting high atomic number elements.

    摘要翻译： 本文公开了一种通过使用具有两种不同能量的辐射来检测物品中的高原子数元素的方法。 高原子数元素的检测可以通过使用算法，曲线拟合或使用数据表来完成。 这里也公开了使用上述检测高原子数元素的方法的辐射系统。

    APPARATUS AND METHOD FOR CHANNEL-SPECIFIC CONFIGURATION IN A READOUT ASIC
    56.
    发明申请
    APPARATUS AND METHOD FOR CHANNEL-SPECIFIC CONFIGURATION IN A READOUT ASIC 有权
    读取ASIC中通道特定配置的设备和方法

    公开(公告)号：US20090132789A1

    公开(公告)日：2009-05-21

    申请号：US12199039

    申请日：2008-08-27

    申请人： Naresh Kesavan Rao ,  Brian David Yanoff ,  Yanfeng Du ,  Jianjun Guo

    发明人： Naresh Kesavan Rao ,  Brian David Yanoff ,  Yanfeng Du ,  Jianjun Guo

    IPC分类号： G06F15/76

    CPC分类号： G06G7/18 ,  A61B6/037

    摘要： An application-specific integrated circuit (ASIC) comprising a plurality of channels, each channel having circuitry for time and energy discrimination, a plurality of programmable registers, each programmable register configured to output at least one configuration parameter for the circuitry, and a channel-select register configured to identify a channel of the plurality of channels to be configured. The ASIC further includes a configuration-select register configured to identify the programmable register to be used for channel configuration, and a communications interface configured to transmit instructions received from a controller to one of the channel-select register, the configuration-select register, and the plurality of programmable registers.

    摘要翻译： 一种专用集成电路（ASIC），包括多个通道，每个通道具有用于时间和能量鉴别的电路，多个可编程寄存器，每个可编程寄存器被配置为输出用于该电路的至少一个配置参数， 选择寄存器，其被配置为识别要配置的多个信道的信道。 ASIC还包括配置选择寄存器，配置为识别要用于信道配置的可编程寄存器，以及通信接口，被配置为将从控制器接收的指令发送到频道选择寄存器，配置选择寄存器和 多个可编程寄存器。

    DATA ACQUISITION SYSTEM FOR PHOTON COUNTING AND ENERGY DISCRIMINATING DETECTORS
    57.
    发明申请
    DATA ACQUISITION SYSTEM FOR PHOTON COUNTING AND ENERGY DISCRIMINATING DETECTORS 有权
    用于光电计数和能量鉴别检测器的数据采集系统

    公开(公告)号：US20090129537A1

    公开(公告)日：2009-05-21

    申请号：US12198989

    申请日：2008-08-27

    申请人： Naresh Kesavan Rao ,  Brian David Yanoff ,  Yanfeng Du ,  Jianjun Guo

    发明人： Naresh Kesavan Rao ,  Brian David Yanoff ,  Yanfeng Du ,  Jianjun Guo

    IPC分类号： H05G1/60 ,  H03M1/12

    CPC分类号： G06G7/18

    摘要： A data acquisition system including a readout Application Specific Integrated Circuit (ASIC) having a plurality of channels, each channel having a time discriminating circuit and an energy discriminating circuit, wherein the ASIC is configured to receive a plurality of signals from a semiconductor radiation detector. The data acquisition system also includes a digital-to-analog converter (DAC) electrically coupled to the ASIC and configured to provide a reference signal to the ASIC used in the generation of digital outputs from the ASIC, and a controller electrically coupled to the ASIC and to the DAC, the controller configured to instruct the DAC to provide the reference signal to the ASIC.

    摘要翻译： 一种数据采集系统，包括具有多个通道的读出专用集成电路（ASIC），每个通道具有时间鉴别电路和能量识别电路，其中ASIC被配置为从半导体辐射检测器接收多个信号。 数据采集​​系统还包括电耦合到ASIC的数模转换器（DAC），并被配置为向ASIC中产生数字输出使用的ASIC提供参考信号，以及电耦合到ASIC的控制器 并且所述控制器被配置为指示所述DAC向所述ASIC提供所述参考信号。

    ENERGY DISCRIMINATING DETECTOR DIFFERENT MATERIALS DIRECT CONVERSION LAYERS
    58.
    发明申请
    ENERGY DISCRIMINATING DETECTOR DIFFERENT MATERIALS DIRECT CONVERSION LAYERS 有权
    能源鉴别检测器不同材料直接转换层

    公开(公告)号：US20080230709A1

    公开(公告)日：2008-09-25

    申请号：US11690374

    申请日：2007-03-23

    申请人： J. Eric Tkaczyk ,  Wen Li ,  Yanfeng Du ,  James W. LeBlanc

    发明人： J. Eric Tkaczyk ,  Wen Li ,  Yanfeng Du ,  James W. LeBlanc

    IPC分类号： G01T1/24

    CPC分类号： G01T1/249 ,  G01T1/242

    摘要： A diagnostic imaging system includes a high frequency electromagnetic energy source that emits a beam of high frequency electromagnetic energy toward an object to be imaged. An energy discriminating (ED) detector receives high frequency electromagnetic energy emitted by the high frequency electromagnetic energy source. The ED detector includes a first direct conversion layer and a second direct conversion layer. The first direct conversion layer comprises a first direct conversion material and the second direct conversion layer comprises a second direct conversion material that is different from the first direct conversion material. A data acquisition system (DAS) is operably connected to the ED detector and a computer operably connected to the DAS.

    摘要翻译： 诊断成像系统包括向待成像对象发射高频电磁能束的高频电磁能源。 能量识别（ED）检测器接收由高频电磁能源发出的高频电磁能。 ED检测器包括第一直接转换层和第二直接转换层。 第一直接转换层包括第一直接转换材料，第二直接转换层包括不同于第一直接转换材料的第二直接转换材料。 数据采集​​系统（DAS）可操作地连接到ED检测器和可操作地连接到DAS的计算机。

    X-ray filter having dynamically displaceable x-ray attenuating fluid
    59.
    发明授权
    X-ray filter having dynamically displaceable x-ray attenuating fluid 失效
    X射线滤光片具有动态位移的x射线衰减流体

    公开(公告)号：US07308073B2

    公开(公告)日：2007-12-11

    申请号：US11163496

    申请日：2005-10-20

    申请人： J. Eric Tkaczyk ,  Deborah J. Walter ,  Xiaoye Wu ,  Brian C. Bales ,  James W. Leblanc ,  Yanfeng Du

    发明人： J. Eric Tkaczyk ,  Deborah J. Walter ,  Xiaoye Wu ,  Brian C. Bales ,  James W. Leblanc ,  Yanfeng Du

    IPC分类号： G21K3/00

    CPC分类号： G21K1/10

    摘要： A bowtie filter is constructed to have a fluidic envelope filled with attenuating fluid and a displacement insert that can present various x-ray attenuation profiles during a scan. The insert is designed to displace the attenuating fluid to achieve a denied attenuating or filtering profile. The insert can be rotated, twisted, moved, and otherwise contorted within the fluidic envelope as needed during the course of a scan. As the angle, position and shape of the zombie is changed, the x-ray profile of the filter changes. The insert may have a default shape when at rest, but can have its shape changed when external forces are placed thereon. As x-ray filtering needs change during the course of the scan, the insert can be compressed, stretched, and/or contorted to achieve additional filtering profiles.

    摘要翻译： 弓形过滤器被构造成具有填充有衰减流体的流体信封和可在扫描期间呈现各种x射线衰减分布的位移插入件。 插入件被设计成使衰减流体移位以实现被拒绝的衰减或过滤轮廓。 在扫描过程中，插入物可以根据需要旋转，扭转，移动，并且在流体封套内扭曲。 随着僵尸的角度，位置和形状的改变，过滤器的X射线轮廓也会改变。 当静止时，插入件可以具有默认形状，但是当外力在其上放置时，其形状可以改变。 由于X射线过滤在扫描过程中需要更改，所以插入物可以被压缩，拉伸和/或扭转以实现额外的过滤轮廓。