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1. 发明申请

US20110211667A1 DE-POPULATED DETECTOR FOR COMPUTED TOMOGRAPHY AND METHOD OF MAKING SAME 审中-公开
标题翻译：用于计算机图像的人口检测器及其制造方法
公开(公告)号：US20110211667A1
公开(公告)日：2011-09-01
申请号：US12714168
申请日：2010-02-26
申请人： Abdelaziz Ikhlef , Jiang Hsieh , Jeffrey Alan Kautzer , Robert F. Senzig , Bruno Kristiaan Bernard De Man , Paavana Sainath , Xiaoye Wu , Jed Douglas Pack
发明人： Abdelaziz Ikhlef , Jiang Hsieh , Jeffrey Alan Kautzer , Robert F. Senzig , Bruno Kristiaan Bernard De Man , Paavana Sainath , Xiaoye Wu , Jed Douglas Pack
IPC分类号： H05G1/60 , B23P11/00
CPC分类号： A61B6/4208 , A61B6/032 , G01T1/2985 , Y10T29/49826
摘要： A system, method, and apparatus includes a computed tomography (CT) detector array having a central region with a plurality of central region detecting cells configured to acquire CT data of a first number of slices during a scan, a first wing along a first side of the central region, and a second wing along a second side of the central region opposite the first side. The first wing includes a plurality of first wing detecting cells configured to acquire CT data of a second number of slices during the scan. The second wing includes a plurality of second wing detecting cells configured to acquire CT data of a third number of slices during the scan. The second and third number of slices are less than the first number of slices. The first wing detecting cells are of a different type than the central region detecting cells.
摘要翻译：系统，方法和装置包括具有中心区域的计算机断层摄影（CT）检测器阵列，多个中心区域检测单元被配置为在扫描期间获取第一数量的切片的CT数据，沿着第一侧并且沿着与第一侧相对的中心区域的第二侧的第二翼。第一机翼包括多个第一机翼检测单元，其被配置为在扫描期间获取第二数量的切片的CT数据。第二翼包括多个第二翼检测单元，其被配置为在扫描期间获取第三数量的切片的CT数据。第二和第三数量的切片小于第一数量的切片。第一机翼检测单元与中央区域检测单元不同。

2. 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。

3. 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。

4. 发明授权

US08588494B2 System and method for material decomposition optimization in image domain 有权
标题翻译：图像域中物质分解优化的系统和方法
公开(公告)号：US08588494B2
公开(公告)日：2013-11-19
申请号：US12915195
申请日：2010-10-29
申请人： Bruno Kristiaan Bernard De Man , Jiang Hsieh , Naveen Chandra , Jed Douglas Pack , Jiahua Fan
发明人： Bruno Kristiaan Bernard De Man , Jiang Hsieh , Naveen Chandra , Jed Douglas Pack , Jiahua Fan
IPC分类号： G06K9/00 , A61B6/00 , G01N23/00 , G21K1/12 , H05G1/60
CPC分类号： H04B1/1638 , G06T11/008 , G06T2211/408
摘要： A system and method for material decomposition optimization in the image domain include a non-transitory computer readable medium has stored thereon a sequence of instructions which, when executed by a computer, causes the computer to access a reconstructed basis material image. For a first voxel of the reconstructed basis material image, the instructions also cause the computer to optimize a concentration of a pair of materials (a,b) in the first voxel exclusively in the image domain and based on a first probability based on random perturbations and a second probability based on random perturbations. The optimization is further based on a third probability based on known materials and a fourth probability based on concentrations of the pair of materials in a pair of voxels neighboring the first voxel.
摘要翻译：用于图像域中的材料分解优化的系统和方法包括其上存储有一系列指令的非瞬时计算机可读介质，所述指令序列当由计算机执行时使计算机访问重建的基础材料图像。对于重建的基材图像的第一体素，指令还使计算机优化仅在图像域中的第一体素中的一对材料（a，b）的浓度，并且基于基于随机扰动的第一概率和基于随机扰动的第二概率。优化进一步基于基于已知材料的第三概率和基于邻近第一体素的一对体素中的该对材料对的浓度的第四概率。

5. 发明申请

US20130003912A1 SYSTEM AND METHOD OF ACQUIRING COMPUTED TOMOGRAPHY DATA USING A MULTI-ENERGY X-RAY SOURCE 审中-公开
标题翻译：使用多能量X射线源获取计算机图像数据的系统和方法
公开(公告)号：US20130003912A1
公开(公告)日：2013-01-03
申请号：US13174485
申请日：2011-06-30
申请人： Bruno Kristiaan Bernard De Man , Jiang Hsieh , Naveen Stephan Chandra , Jiahua Fan , Jed Douglas Pack
发明人： Bruno Kristiaan Bernard De Man , Jiang Hsieh , Naveen Stephan Chandra , Jiahua Fan , Jed Douglas Pack
IPC分类号： A61B6/03 , G01N23/04
CPC分类号： A61B6/482 , A61B6/032 , A61B6/405
摘要： The subject matter disclosed herein relates to X-ray imaging systems, and more specifically, to multi-energy computed tomography (CT) X-ray imaging systems. In an embodiment, a multi-energy computed tomography (CT) imaging system includes an X-ray source that emits X-rays upon the application of a low stable bias, a high stable bias, and transitional biases between the low stable bias and the high stable bias. The imaging system also includes an X-ray detector configured to produce an electrical signal corresponding to the intensity of the X-rays emitted by the X-ray source that reach the X-ray detector. The imaging system also includes data processing circuitry configured to acquire a first set of data corresponding to the electrical signal produced by the X-ray detector only when the low stable bias or the high stable bias is applied to the X-ray source. The imaging system also includes a processor configured to process the first set of acquired data and construct one or more multi-energy CT images.
摘要翻译：本文公开的主题涉及X射线成像系统，更具体地，涉及多能计算机断层摄影（CT）X射线成像系统。在一个实施例中，多能量计算机断层摄影（CT）成像系统包括在施加低稳定偏压，高稳定偏差以及低稳定偏压和低稳定偏差之间的过渡偏差时发射X射线的X射线源高稳定偏差。成像系统还包括：X射线检测器，被配置为产生对应于由X射线源发射的X射线的强度的电信号，该X射线到达X射线检测器。成像系统还包括数据处理电路，其被配置为仅当低稳定偏压或高稳定偏压施加到X射线源时才获取对应于由X射线检测器产生的电信号的第一组数据。成像系统还包括被配置为处理第一组获取的数据并构造一个或多个多能CT图像的处理器。

6. 发明授权

US09326738B2 Method and system for reduced dose X-ray imaging 有权
标题翻译：降低剂量X射线成像的方法和系统
公开(公告)号：US09326738B2
公开(公告)日：2016-05-03
申请号：US13174438
申请日：2011-06-30
申请人： Zhye Yin , Roy Arnulf Helge Nilsen , Jiahua Fan , Thomas Matthew Benson , Bruno Kristiaan Bernard De Man , Jed Douglas Pack , Kai Zeng
发明人： Zhye Yin , Roy Arnulf Helge Nilsen , Jiahua Fan , Thomas Matthew Benson , Bruno Kristiaan Bernard De Man , Jed Douglas Pack , Kai Zeng
IPC分类号： A61B6/03 , A61B6/06 , A61B6/00
CPC分类号： A61B6/032 , A61B6/06 , A61B6/405 , A61B6/4085 , A61B6/4435 , A61B6/542
摘要： Approaches for acquiring CT image data corresponding to a full scan, but at a reduced dose are disclosed. In one implementation, X-ray tube current modulation is employed to reduce the effective dose. In other implementations, acquisition of sparse views, z-collimation, and two-rotation acquisition protocols may be employed to achieve a reduced dose relative to a full-scan acquisition protocol.
摘要翻译：公开了用于获取对应于全扫描但以减小剂量的CT图像数据的方法。在一个实施方案中，采用X射线管电流调制来降低有效剂量。在其他实施方案中，可采用稀疏视图，z准直和双旋转采集协议的采集来实现相对于全扫描采集协议的减少的剂量。

7. 发明授权

US08861829B2 Method and system for reconstruction of tomographic images 有权
标题翻译：断层图像重建方法及系统
公开(公告)号：US08861829B2
公开(公告)日：2014-10-14
申请号：US13250753
申请日：2011-09-30
申请人： Kai Zeng , Jed Douglas Pack , Kyle Morgan Champley , Bruno Kristiaan Bernard De Man
发明人： Kai Zeng , Jed Douglas Pack , Kyle Morgan Champley , Bruno Kristiaan Bernard De Man
IPC分类号： G06K9/00 , G06T11/00 , G06K9/46
CPC分类号： G06K9/46 , G06T11/003 , G06T11/006 , G06T2211/421
摘要： Approaches are described for processing half-scan or full-scan cone beam image data using one or more half-ramp filtering operations. In one embodiment, the half-ramp filtering operations allow extraction and use of missing frequency data so as to generate a reconstructed image that is relatively complete in terms of frequency data and which has suitable temporal resolution. In addition, in certain embodiments, the reconstructed image may have uniform frequency weighting.
摘要翻译：描述了使用一个或多个半斜坡滤波操作来处理半扫描或全扫描锥形束图像数据的方法。在一个实施例中，半斜坡滤波操作允许提取和使用丢失的频率数据，以便产生在频率数据方面相对完整并且具有合适的时间分辨率的重构图像。此外，在某些实施例中，重构图像可以具有均匀的频率加权。

8. 发明申请

US20130003914A1 METHOD AND SYSTEM FOR REDUCED DOSE X-RAY IMAGING 有权
标题翻译：用于减少剂量X射线成像的方法和系统
公开(公告)号：US20130003914A1
公开(公告)日：2013-01-03
申请号：US13174438
申请日：2011-06-30
申请人： Zhye Yin , Roy Arnulf Helge Nilsen , Jiahua Fan , Thomas Matthew Benson , Bruno Kristiaan Bernard De Man , Jed Douglas Pack , Kai Zeng
发明人： Zhye Yin , Roy Arnulf Helge Nilsen , Jiahua Fan , Thomas Matthew Benson , Bruno Kristiaan Bernard De Man , Jed Douglas Pack , Kai Zeng
IPC分类号： A61B6/03
CPC分类号： A61B6/032 , A61B6/06 , A61B6/405 , A61B6/4085 , A61B6/4435 , A61B6/542
摘要： Approaches for acquiring CT image data corresponding to a full scan, but at a reduced dose are disclosed. In one implementation, X-ray tube current modulation is employed to reduce the effective dose. In other implementations, acquisition of sparse views, z-collimation, and two-rotation acquisition protocols may be employed to achieve a reduced dose relative to a full-scan acquisition protocol.
摘要翻译：公开了用于获取对应于全扫描但以减小剂量的CT图像数据的方法。在一个实施方案中，采用X射线管电流调制来降低有效剂量。在其他实施方案中，可采用稀疏视图，z准直和双旋转采集协议的采集来实现相对于全扫描采集协议的减少的剂量。

9. 发明申请

US20130083986A1 METHOD AND SYSTEM FOR RECONSTRUCTION OF TOMOGRAPHIC IMAGES 有权
标题翻译：重建图像图像的方法和系统
公开(公告)号：US20130083986A1
公开(公告)日：2013-04-04
申请号：US13250753
申请日：2011-09-30
申请人： Kai Zeng , Jed Douglas Pack , Kyle Morgan Champley , Bruno Kristiaan Bernard De Man
发明人： Kai Zeng , Jed Douglas Pack , Kyle Morgan Champley , Bruno Kristiaan Bernard De Man
IPC分类号： G06K9/46
CPC分类号： G06K9/46 , G06T11/003 , G06T11/006 , G06T2211/421
摘要： Approaches are described for processing half-scan or full-scan cone beam image data using one or more half-ramp filtering operations. In one embodiment, the half-ramp filtering operations allow extraction and use of missing frequency data so as to generate a reconstructed image that is relatively complete in terms of frequency data and which has suitable temporal resolution. In addition, in certain embodiments, the reconstructed image may have uniform frequency weighting.
摘要翻译：描述了使用一个或多个半斜坡滤波操作来处理半扫描或全扫描锥形束图像数据的方法。在一个实施例中，半斜坡滤波操作允许提取和使用丢失的频率数据，以便产生在频率数据方面相对完整并且具有合适的时间分辨率的重构图像。此外，在某些实施例中，重构图像可以具有均匀的频率加权。

10. 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。

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