磁粒子成像中视场的快速连续运动

2013 International Workshop on Magnetic Particle Imaging (IWMPI) Pub Date : 2013-03-23 DOI:10.1109/IWMPI.2013.6528353

J. Rahmer, B. Gleich, J. Weizenecker, A. Halkola, C. Bontus, J. Schmidt, I. Schmale, O. Woywode, T. Buzug, J. Borgert

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引用次数: 10

摘要

在成像过程中移动视场时，当每体积编码时间的位移大于分辨率时，会产生伪影。高达约1m /s的移动速度，这些可以通过补偿系统功能来消除快速平移。快速连续的视场位移可用于快速引导单个成像体积到感兴趣的区域，或通过重复扫描视场通过感兴趣的体积来实现大的空间覆盖。

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Fast continuous motion of the field of view in magnetic particle imaging

When shifting the FOV during imaging, artifacts arise when the shift per volume encoding time is larger than the resolution. Up to shift velocities of about 1 m/s, these can be removed by compensating the system function for the rapid translation. Fast continuous FOV shifts may be used to rapidly steer a single imaging volume to a region of interest or to achieve large spatial coverage by repeatedly sweeping the FOV through a volume of interest.

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2013 International Workshop on Magnetic Particle Imaging (IWMPI)

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