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Magn Reson Imaging. 2008 Jan;26(1):142-5. Epub 2007 Jun 15.

Optimal phase difference reconstruction: comparison of two methods.

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  • 1Department Radiology, Center for Functional MRI, University of California, San Diego, San Diego, CA 92093-0677, USA.


The present study compares the performance of the weighted mean (WM) and sensitivity encoding (SENSE) methods for reconstructing phase difference images over a large range of signal-to-noise ratio (SNR). It is found that the WM algorithm is suboptimal, compared to the SENSE method at low SNR. Numerical simulations, phantom and in vivo results are presented.

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