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. Author manuscript; available in PMC: 2015 Nov 6.
Published in final edited form as: IEEE Trans Signal Process. 2014 Jan 1;62(1):183–195. doi: 10.1109/TSP.2013.2287685

Fig. 2.

Fig. 2

Mean square error (20 log10 ||x̄ − x||2) as a function of ℓ and SNR, for ν = 1 and ε(5) = 10−4. The figure shows that the stability of IRLS compares favorably to that of ℓ1-minimization. More importantly, only a few number of IRLS iterations are required to reach a satisfactory value of the MSE.