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A sparse reconstruction algorithm for parallel spiral MR spectroscopic imaging | IEEE Conference Publication | IEEE Xplore

A sparse reconstruction algorithm for parallel spiral MR spectroscopic imaging


Abstract:

In this paper we propose an efficient sparse reconstruction scheme for the parallel MRSI data acquired using a fast spiral scheme. We model the system using the MR priors...Show More

Abstract:

In this paper we propose an efficient sparse reconstruction scheme for the parallel MRSI data acquired using a fast spiral scheme. We model the system using the MR priors estimated from the water reference scan. In our sparse reconstruction approach, we minimize the total variation and ℓ1 norm of the compartmentalized MRSI data in order to reduce noise, inhomogeneity distortions, and spectral leakage. We demonstrate significant improvement for in vivo brain results when compared to classical regularized SENSE MRSI reconstruction.
Date of Conference: 30 March 2011 - 02 April 2011
Date Added to IEEE Xplore: 09 June 2011
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Conference Location: Chicago, IL, USA

References

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