TY - JOUR T1 - An Adaptive Strategy for the Restoration of Textured Images Using Fractional Order Regularization AU - R. H. Chan, A. Lanza, S. Morigi & F. Sgallari JO - Numerical Mathematics: Theory, Methods and Applications VL - 1 SP - 276 EP - 296 PY - 2013 DA - 2013/06 SN - 6 DO - http://doi.org/10.4208/nmtma.2013.mssvm15 UR - https://global-sci.org/intro/article_detail/nmtma/5904.html KW - Ill-posed problem, deblurring, fractional order derivatives, regularizing iterative method. AB -
Total variation regularization has good performance in noise removal and edge preservation but lacks in texture restoration. Here we present a texture-preserving strategy to restore images contaminated by blur and noise. According to a texture detection strategy, we apply spatially adaptive fractional order diffusion. A fast algorithm based on the half-quadratic technique is used to minimize the resulting objective function. Numerical results show the effectiveness of our strategy.