Research Article

Two New Efficient Iterative Regularization Methods for Image Restoration Problems

Figure 5

(a) True image, (b) blurred and noisy image, (c) restored image with LSQR, Iter = 95, and REN = 0.3519, and (d) restored image with LSMR, Iter = 129, and REN = 0.3417.
129652.fig.005a
(a)
129652.fig.005b
(b)
129652.fig.005c
(c)
129652.fig.005d
(d)