The Restoration of Textured Images Using Fractional-Order Regularization

Figure 3

Analysis of restoration on 1D signal: (a) sharp versus blurred signal; (b) sum of gradients −log𝑝(𝐱)=∑_𝑖|𝐺_𝑖(𝐱)|^𝛼 as a function of 𝛼; (c) sum of gradients −log𝑝(𝐱)=∑_𝑖|𝐺^𝑣_𝑖(𝐱)|^𝛼 as a function of 𝛼 (the value of 𝑣 is 0.3).

(a)

(b)

(c)