Table 2: Restoration results with different methods for Example  1, Example  2, and Example  3.

MethodParameter SNR ReErr

Example  1 Tikhonov 8.725 0.2657
TV 14.3210.0895
HTV 14.001 0.0930
Hybrid TV 14.538 0.0871

Example  2 Tikhonov 9.728 0.2223
TV 15.8110.0758
HTV 16.022 0.0740
Hybrid TV 16.323 0.0718

Example  3 Tikhonov 6.924 0.4369
TV 13.6750.2007
HTV 11.566 0.2559
Hybrid TV 14.912 0.1690