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Table 3 Parameters of several shrinkage-thresholding algorithms

From: Improved iterative shrinkage-thresholding for sparse signal recovery via Laplace mixtures models

  λ τ ( t) π (0) α (0) K
ISTA 0.005 0.2
IRL1 0.005 0.2 66
FISTA 0.001 0.2 66
2-LMM-ISTA 0.005 0.2 0.1 66
2-LMM-FISTA 0.001 0.2 0.1 66
AMP 0.9 Eq. (17), χ=0.9
2-LMM-AMP 0.9 Eq. (17), χ=0.9 0.1 66