A Class of Fourth-Order Telegraph-Diffusion Equations for Image Restoration

Figure 3

Comparison of different methods on “License plate” image. (a) Original image. (b) Noisy image. (c) PM smodel with 𝑘=10. (d) TDE model with 𝑘=10, 𝜆=40. (e) ITDE model with 𝑘=10, 𝜆=40, 𝜎₁=0.1. (f) Proposed fourth-order TDE with 𝑘=1, 𝑎=4,𝜆=10.

(a)

(b)

(c)

(d)

(e)

(f)