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eess.SP2022★ 2 cited
Bayesian Optimization of Sampling Densities in MRI
Alban Gossard, Frédéric de Gournay, Pierre Weiss
Data-driven optimization of sampling patterns in MRI has recently received a significant attention.Following recent observations on the combinatorial number of minimizers in off-th…
math.OC2022
Spurious minimizers in non uniform Fourier sampling optimization
Frédéric de Gournay, Alban Gossard, Pierre Weiss
A recent trend in the signal/image processing literature is the optimization of Fourier sampling schemes for specific datasets of signals. In this paper, we explain why choosing op…