129652.fig.003a
(a)
129652.fig.003b
(b)
129652.fig.003c
(c)
129652.fig.003d
(d)
Figure 3: (a) True image, (b) blurred and noisy image, (c) restored image with LSQR, Iter = 104, and REN = 0.5004, and (d) restored image with LSMR, Iter = 128, and REN = 0.4919.