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1.发明授权Magnetic resonance method and apparatus to reduce distortions in diffusion imaging 有权磁共振方法和减少扩散成像失真的装置公开(公告)号：US08283925B2
公开(公告)日：2012-10-09
申请号：US12650757
申请日：2009-12-31
申请人： Karin Auslender , Thorsten Feiweier , Stefan Huwer
发明人： Karin Auslender , Thorsten Feiweier , Stefan Huwer
IPC分类号： G01V3/00
CPC分类号： G01R33/56341 , A61B5/055 , A61B5/7207 , G01R33/56518
摘要： In a method and magnetic resonance (MR) system for correction of image distortions that occur in acquisitions of diffusion-weighted MR images of an examination subject a first adjustment measurement with a first diffusion weighting is implemented, a second adjustment measurement with a second diffusion weighting is implemented and correction parameters to de-skew diffusion-weighted MR images are automatically calculated in a computer on the basis of the two adjustment measurements. One of the two adjustment measurements is implemented with a predetermined diffusion weighting in three orthogonal diffusion directions, and correction parameters are determined for the three orthogonal diffusion directions.
摘要翻译： 在用于校正在检查对象的扩散加权MR图像的采集中发生的图像失真的方法和磁共振（MR）系统中，实现具有第一扩散加权的第一调整测量，具有第二扩散加权的第二调整测量 并且基于两个调整测量在计算机中自动计算用于去偏斜扩散加权的MR图像的校正参数。 两个调整测量中的一个在三个正交扩散方向上以预定的扩散加权来实现，并且为三个正交扩散方向确定校正参数。
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2.发明申请MAGNETIC RESONANCE METHOD AND APPARATUS TO REDUCE DISTORTIONS IN DIFFUSION IMAGING 有权磁共振方法和装置减少扩散成像中的失真公开(公告)号：US20100171498A1
公开(公告)日：2010-07-08
申请号：US12650757
申请日：2009-12-31
申请人： Karin Auslender , Thorsten Feiweier , Stefan Huwer
发明人： Karin Auslender , Thorsten Feiweier , Stefan Huwer
CPC分类号： G01R33/56341 , A61B5/055 , A61B5/7207 , G01R33/56518
摘要： In a method and magnetic resonance (MR) system for correction of image distortions that occur in acquisitions of diffusion-weighted MR images of an examination subject a first adjustment measurement with a first diffusion weighting is implemented, a second adjustment measurement with a second diffusion weighting is implemented and correction parameters to de-skew diffusion-weighted MR images are automatically calculated in a computer on the basis of the two adjustment measurements. One of the two adjustment measurements is implemented with a predetermined diffusion weighting in three orthogonal diffusion directions, and correction parameters are determined for the three orthogonal diffusion directions.
摘要翻译： 在用于校正在检查对象的扩散加权MR图像的采集中发生的图像失真的方法和磁共振（MR）系统中，实现具有第一扩散加权的第一调整测量，具有第二扩散加权的第二调整测量 并且基于两个调整测量在计算机中自动计算用于去偏斜扩散加权的MR图像的校正参数。 两个调整测量中的一个在三个正交扩散方向上以预定的扩散加权来实现，并且为三个正交扩散方向确定校正参数。
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