Figure 2From: On recovery of block-sparse signals via mixed l 2 /l q (0 < q ≤ 1) norm minimization Recovery results with M = 225 . (a) Original signal; (b) results with l 1 minimization (RMSE = 0.1301); (c) results with l q (q = 0.5) minimization (RMSE = 0.000061); (d) results with l 2/l 1 minimization(RMSE = 0.000033).Back to article page