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21. 发明授权

US08155265B2 Asymmetric de-populated detector for computed tomography and method of making same 有权
标题翻译：用于计算机断层扫描的不对称解除检测器及其制造方法
公开(公告)号：US08155265B2
公开(公告)日：2012-04-10
申请号：US12837035
申请日：2010-07-15
申请人： Bruno Kristiaan Bernard De Man , Abdelaziz Ikhlef , Jiang Hsieh , Jeffrey Alan Kautzer , Robert F. Senzig , Paavana Sainath , Xiaoye Wu , Jed Douglas Pack
发明人： Bruno Kristiaan Bernard De Man , Abdelaziz Ikhlef , Jiang Hsieh , Jeffrey Alan Kautzer , Robert F. Senzig , Paavana Sainath , Xiaoye Wu , Jed Douglas Pack
IPC分类号： A61B6/03
CPC分类号： A61B6/032 , A61B6/4208 , G01T1/2985 , Y10T29/49002
摘要： A computed tomography (CT) detector array includes a central region substantially symmetric about a central axis thereof and includes a first plurality of x-ray detector cells configured to acquire CT data from a first number of detector rows during a scan, wherein the central axis is in a channel direction of the CT detector array and transverse to a slice direction of the CT detector array. A first wing is coupled to a first side of the central region, and a second wing is coupled to a second side of the central region opposite the first side. The first and second wings include respective second and third pluralities of x-ray detector cells and are each configured to acquire CT data from a number of detector rows that is less than the first number of detector rows. The CT detector array is asymmetric about the central axis of the central region.
摘要翻译：计算机断层摄影（CT）检测器阵列包括围绕其中心轴基本对称的中心区域，并且包括第一多个x射线检测器单元，其被配置为在扫描期间从第一数量的检测器行获取CT数据，其中中心轴在CT检测器阵列的通道方向上并且横向于CT检测器阵列的切片方向。第一翼连接到中心区域的第一侧，第二翼连接到与第一侧相对的中心区域的第二侧。第一和第二翼包括相应的第二和第三多个X射线检测器单元，并且各自被配置为从小于第一数量的检测器行的多个检测器行获取CT数据。 CT检测器阵列关于中心区域的中心轴线是不对称的。

22. 发明申请

US20120014502A1 ASYMMETRIC DE-POPULATED DETECTOR FOR COMPUTED TOMOGRAPHY AND METHOD OF MAKING SAME 有权
标题翻译：用于计算机图像的不对称去除检测器及其制造方法
公开(公告)号：US20120014502A1
公开(公告)日：2012-01-19
申请号：US12837035
申请日：2010-07-15
申请人： Bruno Kristiaan Bernard De Man , Abdelaziz Ikhlef , Jiang Hsieh , Jeffrey Alan Kautzer , Robert F. Senzig , Paavana Sainath , Xiaoye Wu , Jed Douglas Pack
发明人： Bruno Kristiaan Bernard De Man , Abdelaziz Ikhlef , Jiang Hsieh , Jeffrey Alan Kautzer , Robert F. Senzig , Paavana Sainath , Xiaoye Wu , Jed Douglas Pack
IPC分类号： A61B6/03 , H05K13/00
CPC分类号： A61B6/032 , A61B6/4208 , G01T1/2985 , Y10T29/49002
摘要： A computed tomography (CT) detector array includes a central region substantially symmetric about a central axis thereof and includes a first plurality of x-ray detector cells configured to acquire CT data from a first number of detector rows during a scan, wherein the central axis is in a channel direction of the CT detector array and transverse to a slice direction of the CT detector array. A first wing is coupled to a first side of the central region, and a second wing is coupled to a second side of the central region opposite the first side. The first and second wings include respective second and third pluralities of x-ray detector cells and are each configured to acquire CT data from a number of detector rows that is less than the first number of detector rows. The CT detector array is asymmetric about the central axis of the central region.
摘要翻译：计算机断层摄影（CT）检测器阵列包括围绕其中心轴基本对称的中心区域，并且包括第一多个x射线检测器单元，其被配置为在扫描期间从第一数量的检测器行获取CT数据，其中中心轴在CT检测器阵列的通道方向上并且横向于CT检测器阵列的切片方向。第一翼连接到中心区域的第一侧，第二翼连接到与第一侧相对的中心区域的第二侧。第一和第二翼包括相应的第二和第三多个X射线检测器单元，并且各自被配置为从小于第一数量的检测器行的多个检测器行获取CT数据。 CT检测器阵列关于中心区域的中心轴线是不对称的。

23. 发明申请

US20110150183A1 DUAL-ENERGY IMAGING AT REDUCED SAMPLE RATES 有权
标题翻译：降低采样率的双能量成像
公开(公告)号：US20110150183A1
公开(公告)日：2011-06-23
申请号：US12962972
申请日：2010-12-08
申请人： Xiaoye Wu , David Allen Langan , Jiang Hsieh , Robert Franklin Senzig , Hao Lia , Dan Xu , Thomas Matthew Benson
发明人： Xiaoye Wu , David Allen Langan , Jiang Hsieh , Robert Franklin Senzig , Hao Lia , Dan Xu , Thomas Matthew Benson
IPC分类号： H05G1/64
CPC分类号： A61B6/4241 , A61B6/032 , A61B6/405 , A61B6/482 , A61B6/505 , G06T11/005 , G06T2211/408
摘要： The present disclosure relates to the generation of dual-energy X-ray data using a data sampling rate comparable to the rate utilized for single-energy imaging. In accordance with the present technique a reduced kVp switching rate is employed compared to conventional dual-energy imaging. Full angular resolution is achieved in the generated images.
摘要翻译：本公开涉及使用与用于单能量成像的速率相当的数据采样率来生成双能量X射线数据。根据本技术，与传统的双能量成像相比，采用了降低的kVp开关速率。在生成的图像中实现全角度分辨率。

24. 发明授权

US08611627B2 CT spectral calibration 有权
标题翻译： CT光谱校准
公开(公告)号：US08611627B2
公开(公告)日：2013-12-17
申请号：US12976785
申请日：2010-12-22
申请人： Xiaoye Wu , Robert Franklin Senzig , Jing Zhao
发明人： Xiaoye Wu , Robert Franklin Senzig , Jing Zhao
IPC分类号： G06K9/00
CPC分类号： A61B6/032 , A61B6/5205 , A61B6/5229 , A61B6/583 , G06T11/005
摘要： The present disclosure relates to the performing spectral calibration of a CT imaging system. In accordance with certain embodiments, spectral calibration phantoms are scanned while positioned on a table in the imaging volume of the CT imaging system. The scans of the calibration phantoms, in conjunction with air sans performed on the CT imaging system, are used to derive information about the deviation of the measured phantom scans from an ideal. The deviation information is in turn used to derive spectral calibration vectors that may be used with the CT imaging system.
摘要翻译：本公开涉及执行CT成像系统的光谱校准。根据某些实施例，在定位在CT成像系统的成像体积的台上的同时扫描光谱校准模体。校准模型的扫描结合在CT成像系统上执行的空气，用于得到关于测量的幻影扫描与理想的偏差的信息。偏差信息又用于导出可与CT成像系统一起使用的光谱校准矢量。

25. 发明授权

US08483361B2 Anode target for an x-ray tube and method for controlling the x-ray tube 有权
标题翻译：用于X射线管的阳极靶和用于控制X射线管的方法
公开(公告)号：US08483361B2
公开(公告)日：2013-07-09
申请号：US12976950
申请日：2010-12-22
申请人： Paavana Sainath , Xiaoye Wu , Girijesh K. Yadava
发明人： Paavana Sainath , Xiaoye Wu , Girijesh K. Yadava
IPC分类号： H01J35/30
CPC分类号： H01J35/10 , A61B6/027 , A61B6/032 , A61B6/4021 , A61B6/4028 , A61B6/4078 , A61B6/4233 , A61B6/482 , H01J35/14 , H01J2235/081 , H01J2235/086
摘要： Anode targets for an x-ray tube and methods for controlling x-ray tubes for x-ray systems are provided. One x-ray system includes a field-generator configured to generate a field, an electron beam generator configured to generate an electron beam directed towards a target and a voltage controller configured to control the electron beam generator to produce an electron beam at a first energy level and an electron beam at a second energy level. The x-ray system also includes a field-generator controller configured to control a field to deflect at least one of the electron beams, wherein the electron beam, at the first energy level, impinges on the target at a first contact position and the electron beam, at the second energy level, impinges on the target at a second contact position. The at the first contact position and at the second contact position is configured to filter x-rays.
摘要翻译：阳极靶向X射线管，并提供了用于控制x射线系统的X射线管的方法。一个x射线系统包括被配置为产生场的场发生器，被配置为产生朝向目标的电子束的电子束发生器和被配置为控制电子束发生器以产生第一能量的电子束的电压控制器电平和电子束处于第二能级。 x射线系统还包括场发生器控制器，其被配置为控制场以偏转至少一个电子束，其中在第一能级处的电子束在第一接触位置撞击靶，并且电子在第二能量水平处的光束在第二接触位置处撞击在目标上。在第一接触位置处和在第二接触位置处被配置为过滤x射线。

26. 发明授权

US08396185B2 Method of fast current modulation in an X-ray tube and apparatus for implementing same 有权
标题翻译： X射线管中的快速电流调制方法及其实现方法
公开(公告)号：US08396185B2
公开(公告)日：2013-03-12
申请号：US12778756
申请日：2010-05-12
申请人： Yun Zou , Brian Lounsberry , Carey Shawn Rogers , Sergio Lemaitre , Xiaoye Wu , Jizhong Chen , Floribertus P. Heukensfeldt Jansen
发明人： Yun Zou , Brian Lounsberry , Carey Shawn Rogers , Sergio Lemaitre , Xiaoye Wu , Jizhong Chen , Floribertus P. Heukensfeldt Jansen
IPC分类号： H05G1/08 , H05G1/32 , H05G1/56 , H01J35/06 , H01J35/14
CPC分类号： A61B6/405 , A61B6/032 , A61B6/4021 , A61B6/4291 , A61B6/482 , H01J35/045 , H01J35/06
摘要： An X-ray tube includes a target and a cathode assembly. The cathode assembly includes a first filament configured to emit a first beam of electrons toward the target, a first gridding electrode coupled to the first filament, a second filament configured to emit a second beam of electrons toward the target, and a second gridding electrode coupled to the second filament.
摘要翻译： X射线管包括靶和阴极组件。阴极组件包括：第一灯丝，被配置为朝向靶发射第一电子束;第一栅网电极，其耦合到第一灯丝;第二灯丝，被配置为朝向靶发射第二电子束;以及第二栅电极，到第二根丝。

27. 发明授权

US08160200B2 Method and system for image data acquisition 有权
标题翻译：图像数据采集方法和系统
公开(公告)号：US08160200B2
公开(公告)日：2012-04-17
申请号：US12750050
申请日：2010-03-30
申请人： John Eric Tkaczyk , David Allen Langan , Samit Kumar Basu , Xiaoye Wu , Bruno Kristiaan Bernard De Man , Jeffrey Seymour Gordon
发明人： John Eric Tkaczyk , David Allen Langan , Samit Kumar Basu , Xiaoye Wu , Bruno Kristiaan Bernard De Man , Jeffrey Seymour Gordon
IPC分类号： H05G1/26
CPC分类号： A61B6/4035 , A61B6/032 , A61B6/405 , A61B6/4241 , A61B6/482 , A61B6/488 , A61B6/542
摘要： A technique for acquiring desired image data in an imaging system comprising at least one radiation source and a detector is described. Initially, preliminary image data corresponding to an object may be acquired. Further, at least one parameter associated with the radiation source and corresponding to a particular view angle of the radiation source may be determined based on the preliminary image data and a priori information. Similarly, at least one parameter associated with the detector and corresponding to the particular view angle may be determined based on a priori information and the preliminary image data. Efficient operating modes of the radiation source and the detector corresponding to the particular view angle may be selected based on the determined parameters to achieve a desired system performance. Subsequently, the final image data may be acquired using the selected operating modes of the radiation source and the detector.
摘要翻译：描述了在包括至少一个辐射源和检测器的成像系统中获取所需图像数据的技术。首先，可以获取与对象相对应的初步图像数据。此外，可以基于初步图像数据和先验信息来确定与辐射源相关联并且对应于辐射源的特定视角的至少一个参数。类似地，可以基于先验信息和初步图像数据来确定与检测器相关联并且对应于特定视角的至少一个参数。可以基于确定的参数来选择对应于特定视角的辐射源和检测器的有效操作模式以实现期望的系统性能。随后，可以使用所选择的辐射源和检测器的操作模式来获取最终图像数据。

28. 发明授权

US07995702B2 System and method of data interpolation in fast kVp switching dual energy CT 有权
标题翻译：快速kVp开关双能CT数据插值系统与方法
公开(公告)号：US07995702B2
公开(公告)日：2011-08-09
申请号：US12547117
申请日：2009-08-25
申请人： Dan Xu , David Allen Langan , Xiaoye Wu
发明人： Dan Xu , David Allen Langan , Xiaoye Wu
IPC分类号： A61B6/00
CPC分类号： G01N23/046 , A61B6/027 , G01N2223/419 , G01N2223/612 , G06T11/005 , G06T2211/408
摘要： A CT system includes a rotatable gantry having an opening for receiving an object to be scanned, an x-ray source coupled to the gantry and configured to project x-rays through the opening, a generator configured to energize the x-ray source to a first kVp and to a second kVp to generate the x-rays, and a detector having pixels therein, the detector attached to the gantry and positioned to receive the x-rays. The system includes a computer programmed to acquire a first view dataset and a second view dataset with the x-ray source energized to the first kVp, interpolate the first and second view datasets to generate interpolated pixels in an interpolated view dataset at the first kVp, using at least two pixels from each of the first and second view datasets to generate each interpolated pixel in the interpolated view dataset, and generate an image of the object using the interpolated view dataset.
摘要翻译： CT系统包括可旋转机架，其具有用于接收待扫描物体的开口，耦合到台架的X射线源，并且被配置成将X射线投射穿过开口;发生器，被配置为将x射线源激励到第一kVp和第二kVp以产生x射线，以及其中具有像素的检测器，所述检测器附接到台架并定位成接收x射线。该系统包括被编程为获取第一视图数据集的计算机和具有激励到第一kVp的x射线源的第二视图数据集，内插第一和第二视图数据集以在第一kVp的内插视图数据集中生成内插像素，使用来自第一和第二视图数据集中的每一个的至少两个像素来生成内插视图数据集中的每个内插像素，并且使用内插视图数据集生成对象的图像。

29. 发明申请

US20110158381A1 2D REFLECTOR AND COLLIMATOR STRUCTURE AND METHOD OF MANUFACTURING THEREOF 有权
标题翻译：二维反射器及其制造方法及其制造方法
公开(公告)号：US20110158381A1
公开(公告)日：2011-06-30
申请号：US12647603
申请日：2009-12-28
申请人： Zhaoping Wu , Haochuan Jiang , Joseph James Lacey , James S. Vartuli , Yunfeng Sun , Qun Deng , Xiaoye Wu , Kun Tao , Zhaohui Yang
发明人： Zhaoping Wu , Haochuan Jiang , Joseph James Lacey , James S. Vartuli , Yunfeng Sun , Qun Deng , Xiaoye Wu , Kun Tao , Zhaohui Yang
IPC分类号： H05G1/60 , G21K1/02 , B29D11/00 , B05D5/06
CPC分类号： G21K1/025 , A61B6/032 , A61B6/4291 , B29D11/00596
摘要： A two dimensional collimator assembly and method of manufacturing thereof is disclosed. The collimator assembly includes a wall structure constructed to form a two dimensional array of channels to collimate x-rays. The wall structure further includes a first portion positioned proximate the object to be scanned and configured to absorb scattered x-rays and a second portion formed integrally with the first portion and extending out from the first portion away from the object to be scanned. The first portion of the wall structure has a height greater than a height of the second portion of the wall structure. The second portion of the wall structure includes a reflective material coated thereon in each of the channels forming the two dimensional array of channels.
摘要翻译：公开了二维准直器组件及其制造方法。准直器组件包括构造成形成二维阵列阵列以准直X射线的壁结构。壁结构还包括靠近待扫描物体定位的第一部分，并且被配置成吸收散射的x射线，以及第二部分与第一部分整体形成并从第一部分延伸离开被扫描物体。壁结构的第一部分的高度大于壁结构的第二部分的高度。壁结构的第二部分包括在每个通道中涂覆的反射材料，形成二维通道阵列。

30. 发明申请

US20110052022A1 SYSTEM AND METHOD OF DATA INTERPOLATION IN FAST KVP SWITCHING DUAL ENERGY CT 有权
标题翻译：快速KVP切换双能量CT数据插值系统与方法
公开(公告)号：US20110052022A1
公开(公告)日：2011-03-03
申请号：US12547117
申请日：2009-08-25
申请人： Dan Xu , David Allen Langan , Xiaoye Wu
发明人： Dan Xu , David Allen Langan , Xiaoye Wu
IPC分类号： G06K9/00 , G01N23/00
CPC分类号： G01N23/046 , A61B6/027 , G01N2223/419 , G01N2223/612 , G06T11/005 , G06T2211/408
摘要： A CT system includes a rotatable gantry having an opening for receiving an object to be scanned, an x-ray source coupled to the gantry and configured to project x-rays through the opening, a generator configured to energize the x-ray source to a first kVp and to a second kVp to generate the x-rays, and a detector having pixels therein, the detector attached to the gantry and positioned to receive the x-rays. The system includes a computer programmed to acquire a first view dataset and a second view dataset with the x-ray source energized to the first kVp, interpolate the first and second view datasets to generate interpolated pixels in an interpolated view dataset at the first kVp, using at least two pixels from each of the first and second view datasets to generate each interpolated pixel in the interpolated view dataset, and generate an image of the object using the interpolated view dataset.
摘要翻译： CT系统包括可旋转机架，其具有用于接收待扫描物体的开口，耦合到台架的X射线源，并且被配置成将X射线投射穿过开口;发生器，被配置为将x射线源激励到第一kVp和第二kVp以产生x射线，以及其中具有像素的检测器，所述检测器附接到台架并定位成接收x射线。该系统包括被编程为获取第一视图数据集的计算机和具有激励到第一kVp的x射线源的第二视图数据集，内插第一和第二视图数据集以在第一kVp的内插视图数据集中生成内插像素，使用来自第一和第二视图数据集中的每一个的至少两个像素来生成内插视图数据集中的每个内插像素，并且使用内插视图数据集生成对象的图像。

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