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2014 | 24 | 2 | 405-415
Tytuł artykułu

An efficient algorithm for adaptive total variation based image decomposition and restoration

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With the aim to better preserve sharp edges and important structure features in the recovered image, this article researches an improved adaptive total variation regularization and H −1 norm fidelity based strategy for image decomposition and restoration. Computationally, for minimizing the proposed energy functional, we investigate an efficient numerical algorithm-the split Bregman method, and briefly prove its convergence. In addition, comparisons are also made with the classical OSV (Osher-Sole-Vese) model (Osher et al., 2003) and the TV-Gabor model (Aujol et al., 2006), in terms of the edge-preserving capability and the recovered results. Numerical experiments markedly demonstrate that our novel scheme yields significantly better outcomes in image decomposition and denoising than the existing models.
Opis fizyczny
  • School of Mathematics and Computational Science, Hunan University of Science and Technology, Xiangtan, Hunan 411201, China
  • College of Mathematics and Econometrics, Hunan University, Changsha, Hunan 410082, China
  • Department of Information Technology, Hunan Women's University, Changsha, Hunan 410004, China
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