METHOD OF RECONSTRUCTING AN IMAGE FUNCTION FROM RADON DATA
    11.
    发明申请
    METHOD OF RECONSTRUCTING AN IMAGE FUNCTION FROM RADON DATA 有权
    从雷达数据重建图像功能的方法

    公开(公告)号:US20090297009A1

    公开(公告)日:2009-12-03

    申请号:US12282877

    申请日:2007-03-14

    IPC分类号: G06K9/00

    CPC分类号: G06T11/005 A61B6/027

    摘要: A method of reconstructing an image function on the basis of a plurality of projection profiles corresponding to a plurality of projection directions through a region of investigation, each projection profile including a series of value positions, wherein measured projection values corresponding to projection lines parallel to the respective projection direction are assigned to respective value positions and a plurality of remaining value positions are empty, comprises the steps of (a) assigning first interpolation values to the empty value positions for constructing a plurality of interpolation profiles on the basis of the projection profiles, wherein the first interpolation values are obtained from a first interpolation within a group of measured projection values having the same value position in different projection profiles, and (b) determining the image function by applying a predetermined reconstruction algorithm on the interpolation profiles.

    摘要翻译: 一种基于通过调查区域对应于多个投影方向的多个投影轮廓来重建图像功能的方法,每个投影轮廓包括一系列值位置,其中对应于与所述投影线平行的投影线的测量投影值 相应的投影方向被分配给相应的值位置,并且多个剩余值位置为空,包括以下步骤:(a)基于投影轮廓来分配用于构建多个插值轮廓的空值位置的第一内插值, 其中所述第一内插值是从在不同投影轮廓中具有相同值位置的测量投影值组中的第一内插获得的,以及(b)通过对所述插值曲线应用预定重建算法来确定所述图像功能。

    Method and device for imaging tomography
    12.
    发明授权
    Method and device for imaging tomography 失效
    成像断层扫描的方法和装置

    公开(公告)号:US08243875B2

    公开(公告)日:2012-08-14

    申请号:US11920941

    申请日:2006-05-19

    IPC分类号: G01K23/00

    摘要: An imaging method for imaging a region of investigation of an object, comprises the step of irradiating the region of investigation with at least one energy input beam along a plurality of projection directions, wherein the at least one energy input beam comprises a plurality of individual energy input beam components, wherein the energy input beam is shaped such that at least two of the energy input beam components have different cross-sections and groups of parallel energy input beam components being parallel to one of the projection directions provide a continuous irradiation of the region of investigation. Furthermore, a device for imaging the object is described.

    摘要翻译: 一种用于对物体调查区域进行成像的成像方法包括以沿着多个投影方向的至少一个能量输入光束照射研究区域的步骤,其中所述至少一个能量输入光束包括多个单独的能量 输入光束分量,其中所述能量输入光束被成形为使得所述能量输入光束分量中的至少两个具有不同的横截面,并且平行的能量输入光束分量的组平行于所述投影方向之一提供所述区域的连续照射 的调查。 此外,描述了用于对物体成像的装置。

    METHOD OF PROCESSING A RADON DATA BASED IMAGE FUNCTION AND IMAGING METHOD
    13.
    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
    14.
    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。

    IMAGING APPARATUS AND IMAGING METHOD
    15.
    发明申请
    IMAGING APPARATUS AND IMAGING METHOD 有权
    成像装置和成像方法

    公开(公告)号:US20090310738A1

    公开(公告)日:2009-12-17

    申请号:US12306347

    申请日:2007-07-04

    IPC分类号: A61B6/00 G21K1/04 H01J3/14

    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。

    SCATTERED RADIATION CORRECTION OF DETECTOR SIGNALS FOR PROJECTION-BASED IMAGING
    17.
    发明申请
    SCATTERED RADIATION CORRECTION OF DETECTOR SIGNALS FOR PROJECTION-BASED IMAGING 审中-公开
    用于基于投影的成像的检测器信号的散射辐射校正

    公开(公告)号:US20090020692A1

    公开(公告)日:2009-01-22

    申请号:US12162806

    申请日:2007-02-09

    IPC分类号: G01D18/00

    CPC分类号: G06T11/005

    摘要: A method of correcting detector signals, in particular for scatter noise correction with an projection-based imaging device, comprises the steps of irradiating an object (1) with a radiation beam (2) including a plurality of discrete beam component (3, 3.1, 3.2) bounded by a plurality of masked angular ranges (4, 4.1, 4.2), so that the object (1) is partially irradiated with the beam components (3, 3.1, 3.2), detecting radiation transmitted through the object (1) with a detector device (30) comprising a plurality of detector portions (32, 32.1, 32.2, 33.1, 33.2), wherein direct radiation of the beam components (3) is detected by directly irradiated detector portions (32, 32.1, 32.2), detecting indirect radiation occurring in the masked angular ranges by masked detector portions (33.1, 33.2) adjacent to the directly irradiated detector portions (32, 32.1, 32.2), and correcting detector signals of the directly irradiated detector portions (32, 32.1, 32.2) in dependence on the detector signals of the masked detector portions (33.1, 33.2) for providing corrected detector signals. Furthermore, an imaging device for projection-based imaging is described.

    摘要翻译: 校正检测器信号的方法,特别是用于基于投影的成像装置的散射噪声校正的方法包括以下步骤:用物体(1)照射包括多个离散束分量(3,3.1, 3.2),其被多个掩蔽角度范围(4,4.1,4.2)限定,使得物体(1)被光束分量(3,3.1,3.2)部分地照射,检测通过物体(1)传播的辐射与 检测器装置(30),包括多个检测器部分(32,32.1,32.2,33.1,33.2),其中通过直接照射的检测器部分(32,32.1,32.2)检测光束分量(3)的直接辐射,检测 通过与直接照射的检测器部分(32,32.1,32.2)相邻的掩蔽的检测器部分(33.1,33.2)在掩蔽的角度范围内发生间接辐射,以及校正直接照射的检测器部分(32,32.1,32.2)中的检测器信号 依赖于检测器si 用于提供校正的检测器信号的掩蔽检测器部分(33.1,33.2)的接口。 此外,描述了用于基于投影的成像的成像装置。

    TOMOGRAPHY APPARATUS AND TOMOGRAPHY METHOD
    18.
    发明申请
    TOMOGRAPHY APPARATUS AND TOMOGRAPHY METHOD 有权
    TOMOGRAPHY装置和TOMOGRAPHY方法

    公开(公告)号:US20130039459A1

    公开(公告)日:2013-02-14

    申请号:US13320175

    申请日:2010-05-10

    IPC分类号: A61B6/02

    摘要: A tomography apparatus that generates images of an object includes a radiation source emitting a radiation beam, wherein the radiation beam rotates around the object and penetrates the object; a radiation detector rotating around the object opposite the radiation source so that the radiation detector detects the radiation beam after penetration of the object; a radiation mask surrounding the object that masks the radiation beam, wherein the radiation mask is arranged in a path of the radiation beam between the radiation source and the radiation detector and the radiation beam passes the radiation mask only once between the radiation source and the radiation detector.

    摘要翻译: 产生物体图像的断层摄影装置包括发射辐射束的辐射源,其中辐射束围绕物体旋转并穿透物体; 辐射检测器围绕与辐射源相对的物体旋转,使得辐射检测器在物体穿透之后检测辐射束; 围绕物体的辐射掩模,其掩蔽辐射束,其中辐射掩模布置在辐射源和辐射检测器之间的辐射束的路径中,并且辐射束仅在辐射源和辐射之间通过辐射掩模一次 探测器。

    SCANNER DEVICE AND METHOD FOR COMPUTED TOMOGRAPHY IMAGING
    20.
    发明申请
    SCANNER DEVICE AND METHOD FOR COMPUTED TOMOGRAPHY IMAGING 失效
    扫描仪器和计算机图像成像方法

    公开(公告)号:US20110222648A1

    公开(公告)日:2011-09-15

    申请号:US12996154

    申请日:2009-06-05

    IPC分类号: A61B6/03

    摘要: A scanner device for computed tomography imaging of an object, includes a measurement device including a source device arranged for irradiating the object with at least one beam and a detector device arranged for detecting radiation transmitted through the object, wherein the source device has a fixed position relative the detector device, and a carrier device accommodating the object in a position between the source device and the detector device, wherein the measurement device and the carrier device are capable of a scanning movement relative to each other, and the measurement device and the carrier device have a fixed spatial orientation during the scanning movement. Furthermore, a scanning method for computed tomography imaging of an object is described.

    摘要翻译: 一种用于对象的计算机断层成像的扫描仪装置,包括测量装置,其包括被布置成用至少一个光束照射所述物体的源装置和被布置成用于检测透过所述物体的辐射的检测器装置,其中所述源装置具有固定位置 相对于检测器装置,以及将物体容纳在源装置和检测装置之间的位置的载体装置,其中测量装置和载体装置能够相对于彼此扫描运动,并且测量装置和载体 装置在扫描运动期间具有固定的空间取向。 此外,描述了用于对象的计算机断层摄影成像的扫描方法。