The Restoration of Textured Images Using Fractional-Order Regularization

Figure 2

Analysis of restoration on 1D signal using gradient prior. ((a) and (c)) Sharp and blurred signal; ((b) and (d)) sum of gradients −log𝑝(𝐱)=∑_𝑖|𝐺_𝑖(𝐱)|^𝛼 as a function of 𝛼.

(a)

(b)

(c)

(d)