DU-PSISTA combines linear sketching with periodic ISTA and deep unfolding to achieve linear convergence to a neighborhood of the true sparse signal at lower computational cost when the period and sketch size are chosen appropriately.
ALISTA: Ana- lytic weights are as good as learned weights in LISTA,
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Computationally Efficient Sparse Signal Recovery via Linear Sketching and Deep Unfolding
DU-PSISTA combines linear sketching with periodic ISTA and deep unfolding to achieve linear convergence to a neighborhood of the true sparse signal at lower computational cost when the period and sketch size are chosen appropriately.