MRI signal reconstruction by Fourier frames on interleaving spirals

J.J. Benedetto1, A.M. Powell1, Hui-Chuan Wu2
1Department of Mathematics, University of Maryland, College Park, MD, USA
2Digital Access Corporation, Woodbridge, VA, USA

Tóm tắt

Interleaving spirals are a natural setting for attaining fast MRI signal reconstruction. Using the results of Beurling and Landau, as well as quantitative coverings of the spectral domain by translations of the polar set of the target disk space E, harmonics for Fourier frames F are constructed on interleaving spirals to reconstruct signals on E. Because of the weak Fourier frame bound estimates by standard calculations, implementation is addressed in terms of finite frame approximants of F.

Từ khóa

#Magnetic resonance imaging #Signal reconstruction #Interleaved codes #Spirals #Image reconstruction #Fourier transforms #Differential equations #Nuclear magnetic resonance #Mathematics #Educational institutions

Tài liệu tham khảo

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