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1. 发明授权

US08630466B2 Method of processing a Radon data based image function and imaging method 失效
标题翻译：基于氡数据的图像处理方法及成像方法
公开(公告)号：US08630466B2
公开(公告)日：2014-01-14
申请号：US12527188
申请日：2008-02-08
申请人： Christoph Hoeschen , Oleg Tischenko , Yuan Xu
发明人： Christoph Hoeschen , Oleg Tischenko , Yuan Xu
IPC分类号： 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 (v), 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：一种用于提供数字化图像作为图像函数f的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大小的多个像素，包括以下步骤：从包含多个投影的氡数据提供图像函数f 根据多个预定投影方向（v）测量的函数，以及根据图像函数确定像素值，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各像素的像素尺寸。此外，描述了使用该图像处理方法的成像方法和成像装置。

2. 发明申请

US20080165917A1 Method and Device for Shaping an Energy Input Beam 失效
标题翻译：形成能量输入光束的方法和装置
公开(公告)号：US20080165917A1
公开(公告)日：2008-07-10
申请号：US11794557
申请日：2005-12-21
申请人： Yuan Xu , Oleg Tischenko , Christoph Hoeschen
发明人： Yuan Xu , Oleg Tischenko , Christoph Hoeschen
IPC分类号： A61B6/06 , G06K9/00
CPC分类号： A61B6/482 , A61B6/027 , A61B6/06 , A61B6/4035 , A61B8/13 , G06T11/005 , G06T2211/421
摘要： An irradiation method, in particular for imaging a region of investigation (2) of an object (1), comprises generating at least one energy input beam (3) with at least one energy input beam source (210), wherein the at least one energy input beam (3) comprises a plurality of individual energy input beam components (3.1, 3.2, 3.3, . . . ), and irradiating the region of investigation (2) with the at least one energy input beam (3) along a plurality of projection directions, wherein the energy input beam components (3.1, 3.2, 3.3, . . . ) are formed with at least one beam mask (211) made of an energy input shielding material with through holes. Furthermore, imaging methods and devices for irradiating or imaging the object are described.
摘要翻译：特别是用于对物体（1）的调查区域（2）进行成像的照射方法包括用至少一个能量输入光束源（210）生成至少一个能量输入光束（3），其中至少一个能量输入光束（3）包括多个单独的能量输入光束分量（3.1,3.2,3.3等），并且沿着多个辐射照射所述至少一个能量输入光束（3）的调查区域（2）的投影方向，其中能量输入光束分量（3.1,3.2,3.3等）由至少一个由具有通孔的能量输入屏蔽材料制成的光束掩模（211）形成。此外，描述用于照射或成像物体的成像方法和装置。

3. 发明授权

US08094910B2 Method of reconstructing an image function from Radon data 有权
标题翻译：从氡数据重建图像函数的方法
公开(公告)号：US08094910B2
公开(公告)日：2012-01-10
申请号：US12282877
申请日：2007-03-14
申请人： Yuan Xu , Oleg Tischenko , Christoph Hoeschen
发明人： Yuan Xu , Oleg Tischenko , Christoph Hoeschen
IPC分类号： G06K9/00 , A61B6/00
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。

4. 发明授权

US08081807B2 Method and device of reconstructing an (n+1)-dimensional image function from radon data 有权
标题翻译：从氡数据重建（n + 1）维图像函数的方法和装置
公开(公告)号：US08081807B2
公开(公告)日：2011-12-20
申请号：US11794558
申请日：2005-12-21
申请人： Yuan Xu , Oleg Tischenko , Christoph Hoeschen
发明人： Yuan Xu , Oleg Tischenko , Christoph Hoeschen
IPC分类号： G06K9/00 , A61B6/00
CPC分类号： A61B6/032 , A61B6/027 , A61B6/06 , A61B6/482 , G06T11/006 , G06T2211/416
摘要： A method of reconstructing an (n+1)-dimensional image function ƒ representing a region of investigation comprises determining the image function ƒ from n-dimensional or less dimensional Radon data comprising a plurality of projection functions pθ(t) measured corresponding to a plurality of predetermined projection directions (Θ), wherein the image function ƒ is determined as a sum of polynomials multiplied with values of the projection functions pθ(t). Imaging methods, imaging devices, and computer tomography devices using this reconstruction method are described.
摘要翻译：重建表示调查区域的（n + 1）维图像函数ƒ的方法包括从包括多个投影函数p＆thetas的n维或更小尺寸的氡数据确定图像函数ƒ（t）多个预定投影方向（Θ），其中图像函数ƒ被确定为与投影函数p＆amp; t（t）的值相乘的多项式的和。描述使用该重建方法的成像方法，成像装置和计算机断层摄影装置。

5. 发明申请

US20090316856A1 Method and device for imaging tomography 失效
标题翻译：成像断层扫描的方法和装置
公开(公告)号：US20090316856A1
公开(公告)日：2009-12-24
申请号：US11920941
申请日：2006-05-19
申请人： Yuan Xu , Oleg Tischenko , Christoph Hoeschen
发明人： Yuan Xu , Oleg Tischenko , Christoph Hoeschen
IPC分类号： A61B6/03 , A61B6/00
CPC分类号： A61B6/06 , A61B6/027 , A61B6/032 , A61B6/482 , G06T11/003 , G06T11/005 , G06T2211/421
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。

6. 发明授权

US07573975B2 Method and device for shaping an energy input beam 失效
标题翻译：用于成形能量输入光束的方法和装置
公开(公告)号：US07573975B2
公开(公告)日：2009-08-11
申请号：US11794557
申请日：2005-12-21
申请人： Yuan Xu , Oleg Tischenko , Christoph Hoeschen
发明人： Yuan Xu , Oleg Tischenko , Christoph Hoeschen
IPC分类号： A61B6/00
CPC分类号： A61B6/482 , A61B6/027 , A61B6/06 , A61B6/4035 , A61B8/13 , G06T11/005 , G06T2211/421
摘要： An irradiation method, in particular for imaging a region of investigation (2) of an object (1), comprises generating at least one energy input beam (3) with at least one energy input beam source (210), wherein the at least one energy input beam (3) comprises a plurality of individual energy input beam components (3.1, 3.2, 3.3, . . . ), and irradiating the region of investigation (2) with the at least one energy input beam (3) along a plurality of projection directions, wherein the energy input beam components (3.1, 3.2, 3.3, . . . ) are formed with at least one beam mask (211) made of an energy input shielding material with through holes. Furthermore, imaging methods and devices for irradiating or imaging the object are described.
摘要翻译：特别是用于对物体（1）的调查区域（2）进行成像的照射方法包括用至少一个能量输入光束源（210）生成至少一个能量输入光束（3），其中至少一个能量输入光束（3）包括多个单独的能量输入光束分量（3.1,3.2,3.3等），并且沿着多个辐射照射所述至少一个能量输入光束（3）的调查区域（2）的投影方向，其中能量输入光束分量（3.1,3.2,3.3等）由至少一个由具有通孔的能量输入屏蔽材料制成的光束掩模（211）形成。此外，描述用于照射或成像物体的成像方法和装置。

7. 发明申请

US20110266453A1 RECONSTRUCTING A TOMOGRAPHIC IMAGE WITH REDUCED ARTIFACTS 失效
标题翻译：用减少的人造成重建图像
公开(公告)号：US20110266453A1
公开(公告)日：2011-11-03
申请号：US13132841
申请日：2009-12-04
申请人： Oleg Tischenko , Yuan Xu , Christoph Hoeschen
发明人： Oleg Tischenko , Yuan Xu , Christoph Hoeschen
IPC分类号： G01T1/00 , G06K9/36
CPC分类号： G06T11/008 , A61B6/027 , G06T11/005
摘要： A method of reconstructing a tomographic image of a region of investigation with reduced artifacts, said method comprises the steps of (a) reconstructing a first partial image and a second partial image of the region of investigation from first and second projection profiles each of which including projection data collected at first and second different groups of parallel projection lines, resp., wherein the first and second projection profiles are provided such that streak aliasing artifacts in the first and second partial images have different spatial phases, and (b) generating the tomographic image of the region of investigation by superimposing the first and second partial images. Preferably, the first and second projection profiles are constructed such that streak aliasing artifacts in the first and second partial images have opposite spatial phases relative to each other. Furthermore, an imaging method and an imaging device for imaging a region of investigation in an object are described.
摘要翻译：一种利用减少的伪像来重建调查区域的断层图像的方法，所述方法包括以下步骤：（a）从第一和第二投影轮廓重建调查区域的第一部分图像和第二部分图像，每个投影图包括在第一和第二不同组的平行投影线上收集的投影数据，其中提供第一和第二投影轮廓，使得第一和第二部分图像中的条纹混叠伪影具有不同的空间相位，以及（b）产生断层图像通过叠加第一和第二部分图像的调查区域的图像。优选地，第一和第二投影轮廓被构造成使得第一和第二部分图像中的条纹混叠伪像相对于彼此具有相反的空间相位。此外，描述了用于对物体中的调查区域进行成像的成像方法和成像装置。

8. 发明申请

US20080130974A1 Method and Device of Reconstructing an (N+1)-Dimensional Image Function from Radon Data 有权
标题翻译：从氡数据重建（N + 1）维图像函数的方法和装置
公开(公告)号：US20080130974A1
公开(公告)日：2008-06-05
申请号：US11794558
申请日：2005-12-21
申请人： Yuan Xu , Oleg Tischenko , Christoph Hoeschen
发明人： Yuan Xu , Oleg Tischenko , Christoph Hoeschen
IPC分类号： G06K9/00 , G06K9/36
CPC分类号： A61B6/032 , A61B6/027 , A61B6/06 , A61B6/482 , G06T11/006 , G06T2211/416
摘要： A method of reconstructing an (n+1)-dimensional image function ƒ representing a region of investigation comprises determining the image function ƒ from n-dimensional or less dimensional Radon data comprising a plurality of projection functions pθ(t) measured corresponding to a plurality of predetermined projection directions (Θ), wherein the image function ƒ is determined as a sum of polynomials multiplied with values of the projection functions pθ(t). Imaging methods, imaging devices, and computer tomography devices using this reconstruction method are described.
摘要翻译：重建表示调查区域的（n + 1）维图像函数f的方法包括从n维或更小尺寸的Radon数据确定包括多个投影函数p < （t）对应于多个预定投影方向（Theta）测量，其中图像函数f被确定为与投影函数pθθ（t）的值相乘的多项式的和。描述使用该重建方法的成像方法，成像装置和计算机断层摄影装置。

9. 发明授权

US08571171B2 Reconstructing a tomographic image with reduced artifacts 失效
标题翻译：重建具有减少伪像的断层图像
公开(公告)号：US08571171B2
公开(公告)日：2013-10-29
申请号：US13132841
申请日：2009-12-04
申请人： Oleg Tischenko , Yuan Xu , Christoph Hoeschen
发明人： Oleg Tischenko , Yuan Xu , Christoph Hoeschen
IPC分类号： A61B6/00 , G01T1/161
CPC分类号： G06T11/008 , A61B6/027 , G06T11/005
摘要： A method of reconstructing a tomographic image of a region of investigation with reduced artifacts, said method comprises the steps of (a) reconstructing a first partial image and a second partial image of the region of investigation from first and second projection profiles each of which including projection data collected at first and second different groups of parallel projection lines, resp., wherein the first and second projection profiles are provided such that streak aliasing artifacts in the first and second partial images have different spatial phases, and (b) generating the tomographic image of the region of investigation by superimposing the first and second partial images. Preferably, the first and second projection profiles are constructed such that streak aliasing artifacts in the first and second partial images have opposite spatial phases relative to each other. Furthermore, an imaging method and an imaging device for imaging a region of investigation in an object are described.
摘要翻译：一种利用减少的伪像来重建调查区域的断层图像的方法，所述方法包括以下步骤：（a）从第一和第二投影轮廓重建调查区域的第一部分图像和第二部分图像，每个投影图包括在第一和第二不同组的平行投影线上收集的投影数据，其中提供第一和第二投影轮廓，使得第一和第二部分图像中的条纹混叠伪影具有不同的空间相位，以及（b）产生断层图像通过叠加第一和第二部分图像的调查区域的图像。优选地，第一和第二投影轮廓被构造成使得第一和第二部分图像中的条纹混叠伪影相对于彼此具有相反的空间相位。此外，描述了用于对物体中的调查区域进行成像的成像方法和成像装置。

10. 发明授权

US08090089B2 Imaging method and device with dual reading scanner 有权
标题翻译：具有双重扫描仪的成像方法和装置
公开(公告)号：US08090089B2
公开(公告)日：2012-01-03
申请号：US12089199
申请日：2006-10-25
申请人： Oleg Tischenko , Christoph Hoeschen , Yuan Xu
发明人： Oleg Tischenko , Christoph Hoeschen , Yuan Xu
IPC分类号： G06T11/00
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。

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