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- W4387638248 abstract "Image deblurring is a fundamental image processing task, and research for efficient image deblurring methods is still a great challenge. Most of the currently existing methods are focused on TV-based models and regularization term construction; little efforts are paid to model proposal and correlated algorithms for the fidelity term in fractional-order derivative space. In this paper, we propose a novel fractional-order variational model for image deblurring, which can efficiently address three different blur kernels. The objective functional contains a fractional-order gradient fidelity term and a total generalized variation (TGV) regularization term, and it highlights the ability to preserve details and eliminate the staircase effect. To solve the problem efficiently, we provide two numerical algorithms based on the Chambolle-Pock primal-dual method (PD) and the alternating direction method of multipliers (ADMM). A series of experiments show that the proposed method achieves a good balance between detail preservation and deblurring compared with several existing advanced models." @default.
- W4387638248 created "2023-10-15" @default.
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- W4387638248 date "2023-10-13" @default.
- W4387638248 modified "2023-10-18" @default.
- W4387638248 title "A Fractional-Order Fidelity-Based Total Generalized Variation Model for Image Deblurring" @default.
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- W4387638248 doi "https://doi.org/10.3390/fractalfract7100756" @default.
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