Anisotropic compressed sensing for non-Cartesian MRI acquisitions

10/31/2019

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by   Philippe Ciuciu, et al.

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In the present note we develop some theoretical results in the theory of anisotropic compressed sensing that allow to take structured sparsity and variable density structured sampling into account. We expect that the obtained results will be useful to derive explicit expressions for optimal sampling strategies in the non-Cartesian (radial, spiral, etc.) setting in MRI.