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1. 发明授权

US09237873B2 Methods and systems for CT projection domain extrapolation 有权
标题翻译： CT投影域外推的方法和系统
公开(公告)号：US09237873B2
公开(公告)日：2016-01-19
申请号：US13285953
申请日：2011-10-31
申请人： Zhye Yin , Paulo Ricardo Mendonca , Bruno Kristiaan Bernard De Man , Kai Zeng
发明人： Zhye Yin , Paulo Ricardo Mendonca , Bruno Kristiaan Bernard De Man , Kai Zeng
IPC分类号： A61B6/02 , A61B6/03 , A61B6/00 , G06T11/00
CPC分类号： A61B6/032 , A61B6/5205 , A61B6/5258 , G06T11/005 , G06T2211/432
摘要： A system and method for CT projection extrapolation are provided. The method comprises receiving a CT projection for extrapolation. The method also comprises selecting a target patch comprising at least one pixel of a row to be extrapolated. The method further comprises generating a correlation profile between the target patch and one or more source patches, wherein the source patches comprise measured pixels in the CT projection in one or more rows adjacent to the target patch. The projection data is generated for at least one pixel of the target patch based on the correlation profile and the measured pixels of at least one of the source patches.
摘要翻译：提供了一种用于CT投影外插的系统和方法。该方法包括接收用于外推的CT投影。该方法还包括选择包括要外推的行的至少一个像素的目标补丁。所述方法还包括在所述目标贴片和一个或多个源贴片之间产生相关曲线，其中所述源贴片包括所述CT投影中与所述目标贴片相邻的一行或多行中的测量像素。基于相关分布和至少一个源补丁的测量像素，为目标补丁的至少一个像素生成投影数据。

2. 发明申请

US20130108007A1 METHODS AND SYSTEMS FOR CT SINOGRAM EXTRAPOLATION 有权
标题翻译： CT SINOGRAM EXTRAPOLATION的方法与系统
公开(公告)号：US20130108007A1
公开(公告)日：2013-05-02
申请号：US13285953
申请日：2011-10-31
申请人： Zhye Yin , Paulo Ricardo Mendonca , Bruno Kristiaan Bernard De Man , Kai Zeng
发明人： Zhye Yin , Paulo Ricardo Mendonca , Bruno Kristiaan Bernard De Man , Kai Zeng
IPC分类号： A61B6/03
CPC分类号： A61B6/032 , A61B6/5205 , A61B6/5258 , G06T11/005 , G06T2211/432
摘要： A system and method for CT sinogram extrapolation are provided. The method comprises receiving a CT projection for extrapolation. The method also comprises selecting a target patch comprising at least one pixel of a row to be extrapolated. The method further comprises generating a correlation profile between the target patch and one or more source patches, wherein the source patches comprise measured pixels in the CT projection in one or more rows adjacent to the target patch. The projection data is generated for at least one pixel of the target patch based on the correlation profile and the measured pixels of at least one of the source patches.
摘要翻译：提供了一种用于CT正弦图外插的系统和方法。该方法包括接收用于外推的CT投影。该方法还包括选择包括要外推的行的至少一个像素的目标补丁。所述方法还包括在所述目标贴片和一个或多个源贴片之间产生相关曲线，其中所述源贴片包括所述CT投影中与所述目标贴片相邻的一行或多行中的测量像素。基于相关分布和至少一个源补丁的测量像素，为目标补丁的至少一个像素生成投影数据。

3. 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。

4. 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。

5. 发明授权

US07885375B2 Method and system for X-ray imaging 失效
标题翻译： X射线成像方法与系统
公开(公告)号：US07885375B2
公开(公告)日：2011-02-08
申请号：US12254732
申请日：2008-10-20
申请人： Bruno Kristiaan Bernard De Man , Daniel David Harrison , Maria Iatrou , Brian Patrick Smyth , Zhye Yin , Samit Kumar Basu , Souma Sengupta , Peter Claudius Sanza
发明人： Bruno Kristiaan Bernard De Man , Daniel David Harrison , Maria Iatrou , Brian Patrick Smyth , Zhye Yin , Samit Kumar Basu , Souma Sengupta , Peter Claudius Sanza
IPC分类号： G01N23/00
CPC分类号： A61B6/032 , A61B6/027 , A61B6/4014 , A61B6/4028 , A61B6/4085 , A61B6/4266
摘要： A technique is provided for imaging a field of view using an X-ray source comprising two or more emission points. The two or more emission points may be independently operated. Independent operation of the two or more emission points in performed in accordance with a list of commands that specifies the operation of the emission points. The list of commands, in one embodiment, is stored in a sequence buffer. In other embodiments, the list of commands is generated for a given usage, without being stored in a sequence buffer.
摘要翻译：提供了一种使用包括两个或更多个发射点的X射线源对视场成像的技术。两个或更多个发射点可以独立地操作。根据指定发射点的操作的命令的列表来执行两个或更多个发射点的独立操作。在一个实施例中，命令列表存储在序列缓冲器中。在其他实施例中，为给定的使用生成命令列表，而不被存储在序列缓冲器中。

6. 发明申请

US20090161816A1 METHOD AND SYSTEM FOR X-RAY IMAGING 失效
标题翻译： X射线成像的方法和系统
公开(公告)号：US20090161816A1
公开(公告)日：2009-06-25
申请号：US12254732
申请日：2008-10-20
申请人： Bruno Kristiaan Bernard De Man , Daniel David Harrison , Maria Iatrou , Brian Patrick Smyth , Zhye Yin , Samit Kumar Basu , Souma Sengupta , Peter Claudius Sanza
发明人： Bruno Kristiaan Bernard De Man , Daniel David Harrison , Maria Iatrou , Brian Patrick Smyth , Zhye Yin , Samit Kumar Basu , Souma Sengupta , Peter Claudius Sanza
IPC分类号： A61B6/00 , H05G1/70
CPC分类号： A61B6/032 , A61B6/027 , A61B6/4014 , A61B6/4028 , A61B6/4085 , A61B6/4266
摘要： A technique is provided for imaging a field of view using an X-ray source comprising two or more emission points. The two or more emission points may be independently operated. Independent operation of the two or more emission points in performed in accordance with a list of commands that specifies the operation of the emission points. The list of commands, in one embodiment, is stored in a sequence buffer. In other embodiments, the list of commands is generated for a given usage, without being stored in a sequence buffer.
摘要翻译：提供了一种使用包括两个或更多个发射点的X射线源对视场成像的技术。两个或更多个发射点可以独立地操作。根据指定发射点的操作的命令的列表来执行两个或更多个发射点的独立操作。在一个实施例中，命令列表存储在序列缓冲器中。在其他实施例中，为给定的使用生成命令列表，而不被存储在序列缓冲器中。

7. 发明授权

US08615121B2 Reconstruction of projection data to generate tomographic images having improved frequency characteristics 有权
标题翻译：重建投影数据以产生具有改进的频率特性的断层图像
公开(公告)号：US08615121B2
公开(公告)日：2013-12-24
申请号：US13149734
申请日：2011-05-31
申请人： Jed Douglas Pack , Kai Zeng , Zhye Yin
发明人： Jed Douglas Pack , Kai Zeng , Zhye Yin
IPC分类号： G06K9/00
CPC分类号： G06T11/006 , G06T2211/436
摘要： Algorithms are disclosed that recombine acquired data so as to generate a substantially uniform and complete set of frequency data where frequency data might otherwise be incomplete. This process, or its equivalent, may be accomplished in a computationally efficient manner using filtering steps in one or both of the reconstruction space and/or the post-processing space.
摘要翻译：公开了算法，其重组所获取的数据，以便产生基本均匀且完整的频率数据集合，其中频率数据可能不完整。该过程或其等同物可以以计算有效的方式使用在重建空间和/或后处理空间中的一个或两者中的过滤步骤来完成。

8. 发明申请

US20100158194A1 SYSTEM AND METHOD FOR IMAGE RECONSTRUCTION 有权
标题翻译：用于图像重构的系统和方法
公开(公告)号：US20100158194A1
公开(公告)日：2010-06-24
申请号：US12340787
申请日：2008-12-22
申请人： Jed Douglas Pack , Kai Zeng , Zhye Yin
发明人： Jed Douglas Pack , Kai Zeng , Zhye Yin
IPC分类号： H05G1/64 , G06K9/00
CPC分类号： A61B6/032 , A61B6/027 , G06T11/006
摘要： A method of performing a computed tomographic image reconstruction is provided. The method provides for performing a short scan of an imaging object to acquire a short scan data, performing a plurality of image reconstructions based on the short scan data wherein the plurality of image reconstructions result in a corresponding plurality of image volumes wherein the image reconstructions use different view weighting functions, filtering the plurality of image volumes such that when the volumes are added together, the frequency domain data is substantially uniformly weighted. Further, the method provides for combining the plurality of image volumes together to produce a final image volume.
摘要翻译：提供了一种执行计算机断层图像重建的方法。该方法提供对成像对象进行短扫描以获取短扫描数据，基于短扫描数据执行多个图像重建，其中多个图像重建产生相应的多个图像体积，其中图像重建使用不同的视图加权函数，对多个图像卷进行过滤，使得当体积相加在一起时，频域数据基本上均匀加权。此外，该方法提供将多个图像体积组合在一起以产生最终图像体积。

9. 发明申请

US20120308101A1 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：US20120308101A1
公开(公告)日：2012-12-06
申请号：US13149732
申请日：2011-05-31
申请人： Kai Zeng , Jed Douglas Pack , Bruno Kristiaan Bernard DeMan , Zhye Yin , Kyle Morgan Champley
发明人： Kai Zeng , Jed Douglas Pack , Bruno Kristiaan Bernard DeMan , Zhye Yin , Kyle Morgan Champley
IPC分类号： G06K9/00
CPC分类号： G06T11/008 , G06T2211/432
摘要： Approaches are described for generating an initial reconstruction of CT data acquired using a wide-cone system. The initial reconstruction may be processed (such as via a non-linear operation) to correct frequency omissions and/or errors in the reconstruction. Corrected frequency information may then be added to the reconstruction to improve the reconstructed image.
摘要翻译：描述了用于生成使用广锥系统获取的CT数据的初始重建的方法。可以处理初始重建（诸如经由非线性操作）以校正重建中的频率遗漏和/或错误。然后可以将校正的频率信息添加到重建中以改善重建的图像。

10. 发明授权

US08284892B2 System and method for image reconstruction 有权
标题翻译：图像重建系统和方法
公开(公告)号：US08284892B2
公开(公告)日：2012-10-09
申请号：US12340787
申请日：2008-12-22
申请人： Jed Douglas Pack , Kai Zeng , Zhye Yin
发明人： Jed Douglas Pack , Kai Zeng , Zhye Yin
IPC分类号： A61B6/03
CPC分类号： A61B6/032 , A61B6/027 , G06T11/006
摘要： A method of performing a computed tomographic image reconstruction is provided. The method provides for performing a short scan of an imaging object to acquire a short scan data, performing a plurality of image reconstructions based on the short scan data wherein the plurality of image reconstructions result in a corresponding plurality of image volumes wherein the image reconstructions use different view weighting functions, filtering the plurality of image volumes such that when the volumes are added together, the frequency domain data is substantially uniformly weighted. Further, the method provides for combining the plurality of image volumes together to produce a final image volume.
摘要翻译：提供了一种执行计算机断层图像重建的方法。该方法提供对成像对象进行短扫描以获取短扫描数据，基于短扫描数据执行多个图像重建，其中多个图像重建产生相应的多个图像体积，其中图像重建使用不同的视图加权函数，对多个图像卷进行过滤，使得当体积相加在一起时，频域数据基本上均匀加权。此外，该方法提供将多个图像体积组合在一起以产生最终图像体积。

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