Block-Based MAP Superresolution Using Feature-Driven Prior Model

Figure 4

SRR with different prior models (Lena image): (a) the original image, (b) one of the degraded LR image, (c) another of the degraded LR image, (d) SRR with Tikhonov prior model (MSE: 226.4613), (e) SRR with Farsiu BTV prior model (MSE: 173.5646), (f) SRR with Gaussian prior model (MSE: 40.5469), (g) SRR with Laplacian prior model (MSE: 40.1860), (h) SRR with elastic net prior model (MSE: 39.3338), and (i) SRR with feature-driven prior model (MSE: 38.6370).

(a)

(b)

(c)

(d)

(e)

(f)

(g)

(h)

(i)