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Motion correction for magnetic resonance angiography (MRA) with 3D radial acquisitions
专利权人:
发明人:
Aiming Lu,Cheng Ouyang
申请号:
US14191762
公开号:
US09788761B2
申请日:
2014.02.27
申请国别(地区):
US
年份:
2017
代理人:
摘要:
A magnetic resonance imaging (MRI) system, method and/or computer readable medium is configured to effect magnetic resonance angiography (MRA) images with reduced motion artifacts includes acquiring a plurality of k-space data sets by traversing a plurality of radial trajectories in three-dimensional (3D) k-space, generating a plurality of 3D MR images derived from k-space populated by the k-space data sets, aligning the 3D MR images with respect to each other, determining one or more motion parameters for the object based upon the aligning, modifying values of k-space data sets using the determined one or more motion parameters, generating a motion-corrected 3D MR image from a combination of acquired k-space data sets including the modified values.
来源网站:
中国工程科技知识中心
来源网址:
http://www.ckcest.cn/home/

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