Imaging apparatus and imaging method
    21.
    发明授权
    Imaging apparatus and imaging method 有权
    成像设备及成像方法

    公开(公告)号:US07835487B2

    公开(公告)日:2010-11-16

    申请号:US12306347

    申请日:2007-07-04

    IPC分类号: G21K1/12 G21K1/04

    CPC分类号: G01T1/2985

    摘要: Imaging apparatus, for analyzing an object, comprising: a radiation source for transmission of radiation through said object in a section plane of said object; a radiation detector for detecting said radiation in said section plane of said object after transmission through said object; and a masking device for masking out a part of said radiation, wherein said masked part of said radiation is movable in said section plane relative to said radiation detector during said analysis of said object.

    摘要翻译: 一种用于分析物体的成像装置,包括:辐射源,用于在所述物体的截面中透射通过所述物体的辐射; 辐射检测器,用于在透过所述物体之后检测所述物体的所述截面中的所述辐射; 以及用于掩蔽所述辐射的一部分的掩蔽装置,其中所述辐射的所述掩蔽部分在所述物体的所述分析期间可相对于所述辐射检测器在所述截面中移动。

    METHOD OF PROCESSING A RADON DATA BASED IMAGE FUNCTION AND IMAGING METHOD
    22.
    发明申请
    METHOD OF PROCESSING A RADON DATA BASED IMAGE FUNCTION AND IMAGING METHOD 失效
    基于雷达数据的图像功能和成像方法的处理方法

    公开(公告)号:US20100092050A1

    公开(公告)日:2010-04-15

    申请号:US12527188

    申请日:2008-02-08

    IPC分类号: G06K9/36 G06K9/64 G06K9/00

    CPC分类号: G06T11/006

    摘要: An image processing method for providing a digitized image as an approximation of an image function ƒ, wherein the digitized image comprises a plurality of pixels with a predetermined pixel size, comprises the steps of providing the image function ƒ from Radon data comprising a plurality of projection functions measured corresponding to a plurality of predetermined projection directions (ν), and determining pixel values from the image function, the pixel values representing the digitized image to be obtained, wherein the pixel values are determined in dependence on at least two image function values within the pixel size of the respective pixel. Furthermore, an imaging method and an imaging device using the image processing method are described.

    摘要翻译: 一种用于将数字化图像提供为图像函数ƒ近似的图像处理方法,其中所述数字化图像包括具有预定像素尺寸的多个像素,包括以下步骤:从包括多个投影的氡数据提供图像函数ƒ 根据多个预定投影方向测量的函数(&ngr;),以及根据图像函数确定表示要获得的数字化图像的像素值,其中根据至少两个图像函数值确定像素值 在相应像素的像素尺寸内。 此外,描述了使用该图像处理方法的成像方法和成像装置。

    IMAGING METHOD AND DEVICE WITH DUAL READING SCANNER
    23.
    发明申请
    IMAGING METHOD AND DEVICE WITH DUAL READING SCANNER 有权
    具有双读扫描仪的成像方法和装置

    公开(公告)号:US20090245456A1

    公开(公告)日:2009-10-01

    申请号:US12089199

    申请日:2006-10-25

    IPC分类号: H05G1/60

    CPC分类号: A61B6/032 G06T11/005

    摘要: An imaging method for imaging a region of investigation of an object comprises the steps of generating an energy input beam with an energy beam source, irradiating the region of investigation with energy input beam components of the energy input beam along a plurality of projection directions, the energy input beam components being formed with a frame mask being arranged between the energy input beam and the object and including frame mask windows, measuring first integrated attenuation values of the energy input beam components with an outer detector device arranged outside the frame mask, measuring second integrated attenuation values of the energy input beam components with a frame mask detector device being arranged on an inner surface of the frame mask, and reconstructing an image of the region of investigation based on the first and second integrated attenuation values. Furthermore, an imaging device for imaging a region of investigation of an object is described.

    摘要翻译: 用于对物体的调查区域进行成像的成像方法包括以下步骤:利用能量束源产生能量输入光束,沿着多个投影方向对能量输入光束的能量输入光束分量照射调查区域, 能量输入光束分量被形成有框架掩模,其布置在能量输入光束和物体之间,并且包括框架掩模窗口,用设置在框架掩模外部的外部检测器装置测量能量输入光束分量的第一积分衰减值,测量秒 所述能量输入光束分量的积分衰减值与帧掩模检测器装置布置在所述帧掩模的内表面上,并且基于所述第一和第二积分衰减值重建所述调查区域的图像。 此外,描述了用于对物体的调查区域进行成像的成像装置。

    TOMOGRAPHIC IMAGING USING POISSONIAN DETECTOR DATA
    24.
    发明申请
    TOMOGRAPHIC IMAGING USING POISSONIAN DETECTOR DATA 有权
    使用POISSONIAN检测器数据进行TOMOGRAPHIC成像

    公开(公告)号:US20120281896A1

    公开(公告)日:2012-11-08

    申请号:US12990849

    申请日:2010-01-28

    IPC分类号: G06K9/00

    摘要: An image reconstruction method for reconstructing a tomographic image (fj) of a region of investigation within an object (1), comprises the steps of providing detector data (yi) comprising Poisson random values measured at an i-th of a plurality of different positions, e.g. i=(k,l) with pixel index k on a detector device and angular index l referring to both the angular position (αl) and the rotation radius (rl) of the detector device (10) relative to the object (1), providing a predetermined system matrix Aij assigning a j-th voxel of the object (1) to the i-th detector data (yi), and reconstructing the tomographic image (fj) based on the detector data (yi), said reconstructing step including a procedure of minimizing a functional F(f) depending on the detector data (yi) and the system matrix Aij and additionally including a sparse or compressive representation of the object (1) in an orthobasis T, wherein the tomographic image (fj) represents the global minimum of the functional F(f). Furthermore, an imaging method and an imaging device using the image reconstruction method are described.

    摘要翻译: 一种用于重建物体(1)内的调查区域的断层图像(fj)的图像重建方法,包括以下步骤:提供检测器数据(yi),其包括在多个不同位置的第i个测量的泊松随机值 ,例如 i =(k,l),检测器装置上具有像素索引k,角度指数l指的是检测装置(10)相对于物体(1)的角位置(α1)和旋转半径(rl) 提供将对象(1)的第j个体素分配给第i个检测器数据(yi)的预定系统矩阵Aij,以及基于检测器数据(yi)重建断层图像(fj),所述重建步骤包括 根据检测器数据(yi)和系统矩阵Aij最小化功能F(f)的程序,并且还包括邻接位置T中的物体(1)的稀疏或压缩表示,其中断层图像(fj)表示 函数F(f)的全局最小值。 此外,描述了使用图像重建方法的成像方法和成像装置。

    Tomographic imaging using poissonian detector data
    27.
    发明授权
    Tomographic imaging using poissonian detector data 有权
    使用泊松检测器数据进行断层成像

    公开(公告)号:US08559690B2

    公开(公告)日:2013-10-15

    申请号:US12990849

    申请日:2010-01-28

    IPC分类号: G06K9/00

    摘要: An image reconstruction method for reconstructing a tomographic image (fj) of a region of investigation within an object (1), comprises the steps of providing detector data (yi) comprising Poisson random values measured at an i-th of a plurality of different positions, e.g. i=(k,l) with pixel index k on a detector device and angular index l referring to both the angular position (αl) and the rotation radius (rl) of the detector device (10) relative to the object (1), providing a predetermined system matrix Aij assigning a j-th voxel of the object (1) to the i-th detector data (yi), and reconstructing the tomographic image (fj) based on the detector data (yi), said reconstructing step including a procedure of minimizing a functional F(f) depending on the detector data (yi) and the system matrix Aij and additionally including a sparse or compressive representation of the object (1) in an orthobasis T, wherein the tomographic image (fj) represents the global minimum of the functional F(f). Furthermore, an imaging method and an imaging device using the image reconstruction method are described.

    摘要翻译: 一种用于重建物体(1)内的调查区域的断层图像(fj)的图像重建方法,包括以下步骤:提供检测器数据(yi),其包括在多个不同位置的第i个测量的泊松随机值 ,例如 i =(k,l),检测器装置上具有像素索引k,并且角度指数l指的是检测器装置(10)相对于物体(1)的角位置(α)和旋转半径(rl) 提供将对象(1)的第j个体素分配给第i检测器数据(yi)的预定系统矩阵Aij,以及基于检测器数据(yi)重建断层图像(fj),所述重建步骤包括 根据检测器数据(yi)和系统矩阵Aij最小化功能F(f)的程序,并且还包括邻接位置T中的物体(1)的稀疏或压缩表示,其中断层图像(fj)表示 函数F(f)的全局最小值。 此外,描述了使用图像重建方法的成像方法和成像装置。

    MONITORING DEVICE, TERMINAL, AND MONITORING SYSTEM FOR MONITORING THE ENVIRONMENT
    30.
    发明申请
    MONITORING DEVICE, TERMINAL, AND MONITORING SYSTEM FOR MONITORING THE ENVIRONMENT 审中-公开
    用于监测环境的监测装置,终端和监测系统

    公开(公告)号:US20150069219A1

    公开(公告)日:2015-03-12

    申请号:US14353518

    申请日:2011-11-17

    IPC分类号: G01T1/00 G01C21/00 G01C11/00

    摘要: The invention relates to a monitoring device (6) for monitoring the environment, in particular for monitoring the environment for radioactive radiation, comprising at least one receiver for receiving measured values of an environmental variable that potentially poses a health hazard and comprising a computing unit (10) for computing a hazard warning (4.1-4.4) dependent on the measured values. The receiver is designed to receive the measured values from a plurality of spatially distributed electronic terminals (2.1-2.4), in particular from mobile telephones with an image sensor for measuring the radioactive radiation. The invention further relates to a corresponding terminal (2.1-2.4) and to a complete monitoring system with a monitoring device and numerous terminals (2.1-2.4) for measuring the environmental variable.

    摘要翻译: 本发明涉及一种用于监测环境的监测装置(6),特别是用于监测放射性辐射的环境,包括至少一个接收器,用于接收可能造成健康危害的环境变量的测量值,并包括计算单元( 10)用于根据测量值计算危险警告(4.1-4.4)。 接收机设计成从多个空间分布的电子终端(2.1-2.4)接收测量值,特别是从具有用于测量放射性辐射的图像传感器的移动电话接收测量值。 本发明还涉及对应的终端(2.1-2.4)以及具有用于测量环境变量的监视设备和许多终端(2.1-2.4)的完整监控系统。