生物医学工程研究Issue(2)：67-73,7.
压缩感知磁共振成像脉冲序列的设计与实现
Design and Implementation of Compressed Sensing MRI Pulse Sequence
摘要
Abstract
To reduce the time of data scan and enhance the imaging speed in MRI,we make research on the compressed sensing MRI pulse sequence.Using variant density under -sampling acquisition,we designed a CS sequence based on the spin echo sequence. PPL language was used to program the sequence,which was realized on the permanent and super -conduct MR scanner.The under -sampling data from the CS sequence and the full sampling data from the spin -echo sequence were reconstructed and analyzed.The re-sult showed that the CS sequence met the speed requirement.The suitable acceleration factor was two and four for the data scanned on brain and knee respectively.The implementation of the CS pulse sequence makes it possible that rapid imaging can be realized on the low field MR scanner without improving the gradient performance.It has laid a foundation of improving the research and development level of the MR scanner in China.关键词
磁共振成像/压缩感知/脉冲序列/自旋回波/图像重建/稀疏变换Key words
MRI/Compressed sensing/Pulse sequence/Spin echo/Image reconstruction/Sparse transformation分类
医药卫生引用本文复制引用
黄敏,林颖,陈军波..压缩感知磁共振成像脉冲序列的设计与实现[J].生物医学工程研究,2015,(2):67-73,7.基金项目
国家自然科学基金资助项目（30970782）；湖北省自然科学基金项目（2014CFB918）。 （）
