Table 14.

PSNR results with Lena (256 × 256).

Item	R	G	B
GN with intensity = 0.02	28.2541	28.5421	28.3041
GN with intensity = 0.2	27.5014	27.3657	27.4251
SPN with intensity = 0.0002	57.4214	56.3527	56.8765
SPN with intensity = 0.0005	66.5047	67.4581	66.5041
SPN with intensity = 0.001	59.1021	61.1042	61.5384
1/8 data loss at the lower-left corner	30.6874	34.5478	35.6522
1/8 data loss at the upper-right corner	33.0001	33.0487	32.6894
1/4 data loss at the lower-right corner	31.5478	31.2587	31.3586
1/4 data loss at the upper-left corner	29.9564	32.7532	32.2287