Mathematical Problems in Engineering / 2019 / Article / Fig 4

Research Article

A New Smoothed L0 Regularization Approach for Sparse Signal Recovery

Figure 4

Signal recovery effect by different algorithms when noise intensity = 0.2. (a) signal recovery by the BPDN algorithm; (b) signal recovery by the SL0 algorithm; (c) signal recovery by the L2-SL0 algorithm; (d) signal recovery by the -RLS algorithm; (e) signal recovery by the RRSL0 algorithm.

(a)
(b)
(c)
(d)
(e)

We are committed to sharing findings related to COVID-19 as quickly and safely as possible. Any author submitting a COVID-19 paper should notify us at help@hindawi.com to ensure their research is fast-tracked and made available on a preprint server as soon as possible. We will be providing unlimited waivers of publication charges for accepted articles related to COVID-19. Sign up here as a reviewer to help fast-track new submissions.