| 发明名称 |
Decoupling of Parallel Transmission Arrays in Magnetic Resonance Imaging |
| 摘要 |
A method of determining a decoupling matrix of a decoupling system for an array of coils of a parallel transmission magnetic resonance imaging (MRI) system includes obtaining impedance matrix data for the array of coils without the decoupling system, determining, based on the impedance matrix data for the array of coils, an objective function representative of deviation from a decoupled operating condition for the array of coils in which the array of coils are decoupled via the decoupling system, and defining, with a processor, a decoupling matrix representative of a set of impedances of the decoupling system with an iterative procedure that optimizes elements of the decoupling matrix to minimize the objective function and reach the decoupled operating condition. |
| 申请公布号 |
US2014292337(A1) |
申请公布日期 |
2014.10.02 |
| 申请号 |
US201313918461 |
申请日期 |
2013.06.14 |
| 申请人 |
Adalsteinsson Elfar;Daniel Luca;Guerin Bastien;Mahmood Zohaib;Vester Markus;Wald Lawrence |
发明人 |
Adalsteinsson Elfar;Daniel Luca;Guerin Bastien;Mahmood Zohaib;Vester Markus;Wald Lawrence |
| 分类号 |
G01R33/36 |
主分类号 |
G01R33/36 |
| 代理机构 |
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代理人 |
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| 主权项 |
1. A method of determining a decoupling matrix of a decoupling system for an array of coils of a parallel transmission magnetic resonance imaging (MRI) system, the method comprising:
obtaining impedance matrix data for the array of coils without the decoupling system; determining, based on the impedance matrix data for the array of coils, an objective function representative of deviation from a decoupled operating condition for the array of coils in which the coils are decoupled via the decoupling system; and defining, with a processor, a decoupling matrix representative of a set of impedances of the decoupling system with an iterative procedure that optimizes elements of the decoupling matrix to minimize the objective function and reach the decoupled operating condition. |
| 地址 |
Belmont MA US |
