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Suppression of slice selection axis motion artifacts in MRI

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2 Author(s)
Hedley, M. ; Dept. of Electr. Eng., Sydney Univ., NSW, Australia ; Hong Yan

Patient motion during data acquisition in magnetic resonance imaging causes artifacts in the reconstructed image, which for two-dimensional Fourier transform imaging techniques appear as blurring and ghost repetitions of the moving structures. T. Mitsa et al. (1990) proposed a technique for suppressing artifacts from periodic motion along the slice selection axis. A different approach to the same problem is presented which is not restricted to periodic motion. The algorithm is verified using a simulated phantom and motion. It is also shown to perform well in the presence of noise and motion within the imaging plane

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Medical Imaging, IEEE Transactions on  (Volume:11 ,  Issue: 2 )