专利快速检索-快速检索全球专利，免费商用专利数据库-IPRDB

1. 发明申请

WO2011130067A2 METHODS OF SCATTER CORRECTION OF X-RAY PROJECTION DATA 2 审中-公开
标题翻译： X射线投影数据扫描校正方法2
公开(公告)号：WO2011130067A2
公开(公告)日：2011-10-20
申请号：PCT/US2011/031269
申请日：2011-04-05
申请人： VARIAN MEDICAL SYSTEMS INC. , STAR-LACK, Josh , SUN, Mingshan
发明人： STAR-LACK, Josh , SUN, Mingshan
IPC分类号： A61B6/03
CPC分类号： A61B6/03 , A61B6/032 , A61B6/0407 , A61B6/5205 , A61B6/5282 , G06T11/005
摘要： A system and method for forming an adjusted estimate of scattered radiation in a radiographic projection of a target object, which incorporates scattered radiation from objects adjacent to the target object, such as a patient table. A piercing point equalization method is disclosed, and a refinement of analytical kernel methods which utilizes hybrid kernels is also disclosed.
摘要翻译：一种用于形成目标对象的射线照相投影中的散射辐射的调整估计的系统和方法，其包括与目标物体相邻的物体（例如患者台）的散射辐射。公开了一种穿刺点均衡方法，并且还公开了利用混合内核的分析核方法的改进。

2. 发明申请

WO2012170319A1 MOTION-BLURRED IMAGING ENHANCEMENT METHOD AND SYSTEM 审中-公开
标题翻译：运动成像增强方法和系统
公开(公告)号：WO2012170319A1
公开(公告)日：2012-12-13
申请号：PCT/US2012/040654
申请日：2012-06-04
申请人： Varian Medical Systems, Inc. , STAR-LACK, Josh , SUN, Mingshan
发明人： STAR-LACK, Josh , SUN, Mingshan
IPC分类号： G06K9/00
CPC分类号： G06T11/005 , G06T2211/412
摘要： In accordance with at least some embodiments of the present disclosure, a process for enhancing a motion-blurred image is presented. The process may include receiving a plurality of projections, wherein the plurality of projections contain computed tomography (CT) data obtained in multiple motion phases. The process may include generating an enhanced multiphase image by performing an enhancement operation based on the plurality of projections. The process may further include generating a plurality of phase-correlated images based on the plurality of projections and the enhanced multi-phase image.
摘要翻译：根据本公开的至少一些实施例，呈现用于增强运动模糊图像的过程。该过程可以包括接收多个突起，其中多个突起包含在多个运动阶段中获得的计算机断层摄影（CT）数据。该过程可以包括通过基于多个投影执行增强操作来生成增强的多相图像。该过程还可以包括基于多个投影和增强的多相图像生成多个相位相关图像。

3. 发明申请

WO2012044715A1 ECG-CORRELATED RADIOTHERAPY 审中-公开
标题翻译：心电图相关放射治疗
公开(公告)号：WO2012044715A1
公开(公告)日：2012-04-05
申请号：PCT/US2011/053778
申请日：2011-09-28
申请人： SUN, Mingshan , STAR-LACK, Josh , VARIAN MEDICAL SYSTEMS, INC.
发明人： SUN, Mingshan , STAR-LACK, Josh
IPC分类号： A61B5/0456
CPC分类号： A61N5/1068 , A61B5/0245
摘要： A method of delivering radiation includes obtaining a first signal that represents a cardiac state of the subject, and generating a control signal using a processor to operate a component of a treatment radiation machine based at least in part on the first signal. A method of delivering radiation includes determining a cardiac state of the subject, and generating a control signal using a processor to operate a component of a treatment radiation machine based at least in part on the determined cardiac state.
摘要翻译：递送辐射的方法包括获得表示对象的心脏状态的第一信号，以及使用处理器至少部分地基于第一信号来操作处理放射线机器的部件来产生控制信号。递送辐射的方法包括确定受试者的心脏状态，以及使用处理器至少部分地基于所确定的心脏状态来操作治疗辐射机器的部件来产生控制信号。

4. 发明申请

WO2011130066A3 METHODS OF SCATTER CORRECTION OF X-RAY PROJECTION DATA 1 审中-公开
公开(公告)号：WO2011130066A3
公开(公告)日：2011-10-20
申请号：PCT/US2011/031249
申请日：2011-04-05
申请人： VARIAN MEDICAL SYSTEMS, INC. , STAR-LACK, Josh , SUN, Mingshan
发明人： STAR-LACK, Josh , SUN, Mingshan
IPC分类号： A61B6/03
摘要： A system and method for forming an adjusted estimate of scattered radiation in a radiographic projection of a target object, which incorporates scattered radiation from objects adjacent to the target object, such as a patient table. A piercing point equalization method is disclosed, and a refinement of analytical kernel methods which utilizes hybrid kernels is also disclosed.

5. 发明申请

WO2017059086A1 HIGH DQE IMAGING DEVICE 审中-公开
标题翻译：高DQE成像装置
公开(公告)号：WO2017059086A1
公开(公告)日：2017-04-06
申请号：PCT/US2016/054472
申请日：2016-09-29
申请人： VARIAN MEDICAL SYSTEMS, INC.
发明人： SHEDLOCK, Daniel , STAR-LACK, Josh M. , MORF, Daniel , ABEL, Eric , VIRSHUP, Gary F. , MEYER, Andre , STEINLIN, Viktor , SUN, Mingshan
IPC分类号： G01T1/20 , A61B6/00 , A61B6/03 , G01T1/00 , G01T1/16
CPC分类号： G01T1/2018 , G01T1/2002
摘要： An imaging device includes: a scintillator layer; and an array of photodiode elements; wherein the scintillator layer is configured to receive radiation that has passed through the array of photodiode elements. An imaging device includes: a scintillator layer having a plurality of scintillator elements configured to convert radiation into photons; and an array of photodiode elements configured to receive photons from the scintillator layer, and generate electrical signals in response to the received photons; wherein at least two of the scintillator elements are separated by an air gap. An imaging device includes: a first scintillator layer having a plurality of scintillator elements arranged in a first plane; and a second scintillator layer having a plurality of scintillator elements arranged in a second plane; wherein the first scintillator layer and the second scintillator layer are arranged next to each other and form a non-zero angle relative to each other.
摘要翻译：一种成像装置包括：闪烁体层; 和一组光电二极管元件; 其中所述闪烁体层被配置为接收已经通过所述光电二极管元件阵列的辐射。一种成像装置包括：具有多个闪烁体元件的闪烁体层，其被配置为将辐射转换成光子; 以及配置成从闪烁体层接收光子的光电二极管元件的阵列，并且响应于所接收的光子而产生电信号; 其中所述闪烁体元件中的至少两个由气隙分开。一种成像装置包括：具有布置在第一平面中的多个闪烁体元件的第一闪烁体层; 以及第二闪烁体层，其具有布置在第二平面中的多个闪烁体元件; 其中所述第一闪烁体层和所述第二闪烁体层彼此相邻布置并且相对于彼此形成非零角度。

6. 发明申请

WO2015048350A1 METHODS AND SYSTEMS FOR ESTIMATING SCATTER 审中-公开
标题翻译：估计散射的方法和系统
公开(公告)号：WO2015048350A1
公开(公告)日：2015-04-02
申请号：PCT/US2014/057552
申请日：2014-09-25
申请人： VARIAN MEDICAL SYSTEMS, INC.
发明人： STAR-LACK, Josh , SUN, Mingshan
IPC分类号： A61B6/03
CPC分类号： A61B6/5282 , A61B6/032 , A61B6/5205 , G01N23/046 , G01N2223/1016 , G01N2223/419 , G06T7/0012 , G06T11/003 , G06T2207/10081
摘要： One example method for estimating scatter associated with a target object may include acquiring a set of original projection data that includes primary radiation and scattered radiation at one or more selected projection angles associated with the target object, generating a first set of estimated scatter data from the set of original projection data, generating reconstructed image data by performing a first pass reconstruction using the first set of estimated scatter data, and generating a set of reference scatter data associated with the target based on the reconstructed image data. The example method may also include generating a set of reference primary plus scatter data associated with the target object based on the reconstructed image data, generating a second set of estimated scatter data associated with the target object based on the set of reference primary plus scatter data, and generating perturbation data associated with the target object.
摘要翻译：用于估计与目标物体相关联的散射的一个示例性方法可以包括获取一组原始投影数据，其包括与目标对象相关联的一个或多个所选投影角度处的主辐射和散射辐射，从而从所述目标物体生成第一组估计散射数据一组原始投影数据，通过使用第一组估计散射数据执行第一遍重建，并且基于重构图像数据生成与目标相关联的参考散射数据集合来生成重建图像数据。该示例性方法还可以包括：基于重构的图像数据生成与目标对象相关联的参考主要加分散数据集合;基于参考主加分散数据集合生成与目标对象相关联的第二组估计分散数据并产生与目标对象相关联的扰动数据。

7. 发明申请

WO2013192600A1 METHODS AND SYSTEMS FOR ESTIMATING SCATTER 审中-公开
标题翻译：估计散射的方法和系统
公开(公告)号：WO2013192600A1
公开(公告)日：2013-12-27
申请号：PCT/US2013/047199
申请日：2013-06-22
申请人： VARIAN MEDICAL SYSTEMS, INC.
发明人： STAR-LACK, Josh , SUN, Mingshan
IPC分类号： G01N23/201 , G01T1/164 , G06F17/18
CPC分类号： G06T7/0012 , A61B6/032 , A61B6/5282 , G06T11/005 , G06T2207/10081 , G06T2207/30004
摘要： Techniques described herein generally relate to estimating scatter. In one embodiment, one example method for estimating scatter associated with a target object may include generating a set of original projections associated with the target object, generating a set of reference scatter data associated with the target object at one or more selected projection angles, generating a first set of estimated scatter data associated with the target object also at the one or more selected projection angles, adjusting first values for one or more kernel parameters of one or more kernels that reduce a difference between the set of reference scatter data and the first set of estimated scatter data, interpolating the adjusted first values for remaining projections out of the set of original projections to generate second values for the one or more kernel parameters, and generating a second set of estimated scatter data associated with the target object.
摘要翻译：本文描述的技术通常涉及估计散射。在一个实施例中，用于估计与目标对象相关联的散射的一个示例性方法可以包括生成与目标对象相关联的一组原始投影，在一个或多个所选投影角处生成与目标对象相关联的一组参考散点数据，生成与所述目标对象相关联的第一组与所述目标对象相关联的估计分散数据也在所述一个或多个选择的投影角度，调整一个或多个内核的一个或多个内核参数的第一值，所述一个或多个内核参数减小所述参考散布数据集与所述第一将所估计的散布数据集合内插用于所述原始投影集合中的剩余投影的经调整的第一值，以生成所述一个或多个核参数的第二值，以及生成与所述目标对象相关联的第二估计分散数据集。

8. 发明公开

EP2557995A2 METHODS OF SCATTER CORRECTION OF X-RAY PROJECTION DATA 1 有权
标题翻译：方法散播投影的纠正措施X数据1
公开(公告)号：EP2557995A2
公开(公告)日：2013-02-20
申请号：EP11769315.0
申请日：2011-04-05
申请人： Varian Medical Systems Inc.
发明人： STAR-LACK, Josh , SUN, Mingshan
IPC分类号： A61B6/03
CPC分类号： A61B6/032 , A61B6/483 , A61B6/5282 , G06T11/005
摘要： A system and method for forming an adjusted estimate of scattered radiation in a radiographic projection of a target object, which incorporates scattered radiation from objects adjacent to the target object, such as a patient table. A piercing point equalization method is disclosed, and a refinement of analytical kernel methods which utilizes hybrid kernels is also disclosed.

9. 发明公开

EP3048979A1 METHODS AND SYSTEMS FOR ESTIMATING SCATTER 有权
标题翻译：扩频测量方法和系统
公开(公告)号：EP3048979A1
公开(公告)日：2016-08-03
申请号：EP14848042.9
申请日：2014-09-25
申请人： Varian Medical Systems, Inc.
发明人： STAR-LACK, Josh , SUN, Mingshan
IPC分类号： A61B6/03
CPC分类号： A61B6/5282 , A61B6/032 , A61B6/5205 , G01N23/046 , G01N2223/1016 , G01N2223/419 , G06T7/0012 , G06T11/003 , G06T2207/10081
摘要： One example method for estimating scatter associated with a target object may include acquiring a set of original projection data that includes primary radiation and scattered radiation at one or more selected projection angles associated with the target object, generating a first set of estimated scatter data from the set of original projection data, generating reconstructed image data by performing a first pass reconstruction using the first set of estimated scatter data, and generating a set of reference scatter data associated with the target based on the reconstructed image data. The example method may also include generating a set of reference primary plus scatter data associated with the target object based on the reconstructed image data, generating a second set of estimated scatter data associated with the target object based on the set of reference primary plus scatter data, and generating perturbation data associated with the target object.

10. 发明公开

EP2557996A2 METHODS OF SCATTER CORRECTION OF X-RAY PROJECTION DATA 2 审中-实审
标题翻译：方法散播投影的纠正措施X数据2
公开(公告)号：EP2557996A2
公开(公告)日：2013-02-20
申请号：EP11769316.8
申请日：2011-04-05
申请人： Varian Medical Systems Inc.
发明人： STAR-LACK, Josh , SUN, Mingshan
IPC分类号： A61B6/03
CPC分类号： A61B6/03 , A61B6/032 , A61B6/0407 , A61B6/5205 , A61B6/5282 , G06T11/005
摘要： A system and method for forming an adjusted estimate of scattered radiation in a radiographic projection of a target object, which incorporates scattered radiation from objects adjacent to the target object, such as a patient table. A piercing point equalization method is disclosed, and a refinement of analytical kernel methods which utilizes hybrid kernels is also disclosed.

你已经成功收藏专利！

检索式保存成功!

IPRDB

热门服务

关于我们

友情链接

联系方式