Research Article

Bayesian Image Restoration Using a Large-Scale Total Patch Variation Prior

Table 5

SNR and CPU time cost (seconds) for the simulation restorations using the proposed method.

𝑁 and 𝑛 SNR CPU times 𝑁 and 𝑛 SNR CPU times 𝑁 and 𝑛 SNR CPU times

(a) 𝑁 3 × 3 𝑛 1 × 1 15.48 17.98 sec (b) 𝑁 3 × 3 𝑛 3 × 3 15.65 28.59 sec (c) 𝑁 3 × 3 𝑛 7 × 7 15.79 53.69 sec
(d) 𝑁 7 × 7 𝑛 1 × 1 15.54 21.16 sec (e) 𝑁 7 × 7 𝑛 3 × 3 15.70 31.37 sec (f) 𝑁 7 × 7 𝑛 7 × 7 15.8850.91 sec
(g) 𝑁 1 1 × 1 1 𝑛 1 × 1 15.55 24.59 sec (h) 𝑁 1 1 × 1 1 𝑛 3 × 3 15.72 38.42 sec (i) 𝑁 1 1 × 1 1 𝑛 7 × 7 16.02 58.61 sec
(j) 𝑁 1 3 × 1 3 𝑛 1 × 1 15.55 29.54 sec (k) 𝑁 1 3 × 1 3 𝑛 3 × 3 15.75 77.67 sec (l) 𝑁 1 3 × 1 3 𝑛 7 × 7 16.0795.31 sec