750146.fig.003a
(a)
750146.fig.003b
(b)
750146.fig.003c
(c)
750146.fig.003d
(d)
Figure 3: Lena: the restored images and the corresponding residuals by (a) CCAD, (b) END, (c) RDC, and (d) . For a visualization purpose, the displayed residuals are twice-magnified and shifted, , where is the original clean image.