Fig. 13From: Improved iterative shrinkage-thresholding for sparse signal recovery via Laplace mixtures modelsAnalysis of performance for Lena image deblurring: a original image, b acquired image, c FISTA reconstruction MSE (dB) = − 10.718 (after 1000 iterations), d 2-LMM-FISTA reconstruction MSE (dB) = − 13.3958 (after 1000 iterations)Back to article page