Research Article

Poisson Noise Removal Scheme Based on Fourth-Order PDE by Alternating Minimization Algorithm

Figure 2

Enlarged partial recovered results by different approaches.
965281.fig.002a
(a) Original image
965281.fig.002b
(b) Degenerated image
965281.fig.002c
(c) 460 iterations by GD-(1.2)
965281.fig.002d
(d) 280 iterations by GD-(1.4)
965281.fig.002e
(e) 45 iterations by AM-(3.4)