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金属付近でMR位相コントラスト画像を生成するためのシステムおよび方法
专利权人:
ゼネラル・エレクトリック・カンパニイ
发明人:
ケビン・エム・コッチ
申请号:
JP2013070797
公开号:
JP6172737B2
申请日:
2013.03.29
申请国别(地区):
JP
年份:
2017
代理人:
摘要:
A system and method for generating MR phase contrast images near metal include an MRI apparatus that includes an MRI system having a plurality of gradient coils and an RF transceiver system and an RF switch controlled by a pulse module to transmit RF signals to an RF coil assembly. The MRI apparatus also includes a computer programmed to acquire a plurality of three-dimensional (3D) MR data sets and to generate a plurality of frequency images based on the plurality of 3D MR data sets. Each 3D MR data set is acquired using a central transmit frequency and a central receive frequency set to an offset frequency value that is distinct for each 3D MR data set. The computer is also programmed to convert the plurality of frequency images to a plurality of time domain images and to generate a phase image based on the plurality of time domain images.
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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