Table 4:
PSNR computations for ROI image recovery in various error ratio.
Images
Lady
Lena
Candy
error ratio*
10%
29.5
27.2
29.1
20%
27.8
26.1
28.2
30%
25.5
24.8
26.8
40%
23.6
22.9
23.2
∗
included
6
.
2
5
%
ROI and (error ratio-
6
.
2
5
%
) non-ROI image damaged.