Research Article

Compressed Sensing Photoacoustic Imaging Based on Fast Alternating Direction Algorithm

Figure 4

Relative errors for different CS reconstruction algorithms at different positions for a uniform distribution at a 90-degree curve. (a) Noiseless observation; noisy observation with (b)  dB; (c)  dB; (d)  dB.
206214.fig.004a
(a)
206214.fig.004b
(b)
206214.fig.004c
(c)
206214.fig.004d
(d)