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Reduction of motion artifact in NMR images using spherical navigator signals
Reduction of motion artifact in NMR images using spherical navigator signals
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机译:使用球形导航器信号减少NMR图像中的运动伪像
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摘要
A series of fMRI image frames are acquired along with interleaved navigator signals. The navigator signals are acquired while three orthogonal readout gradients are applied such that a spherical surface is sampled in k-space. The navigator signals are analyzed to measure subject rotational and translational motion during the scan.
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