Abstract
Speckle reduction is an important issue in image processing realm. In this paper, we propose a novel model for restoring degraded images with multiplicative noise which follows a Nakagami distribution. A general penalty term based on the statistical property of the speckle noise is used to guarantee the convexity of the denoising model. Moreover, to deal with the minimizing problem, a generalized Bermudez-Moreno algorithm is adopted and its convergence is analysed. The experimental results on some images subject to multiplicative noise as well as comparisons to other state-of-the-art methods are also presented. The results can verify that the new model is reasonable.
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Acknowledgements
The authors would like to sincerely thank the reviewers for their valuable and constructive comments. This work is sponsored by “Chenguang Program” supported by Shanghai Education Development Foundation and Shanghai Municipal Education Commission, the key project of the National Natural Science Foundation of China (No. 61731009), the National Science Foundation of China (11271049, 61501188), RGC 12302714, and the Direct Grant for Research of the Chinese University of Hong Kong.
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Fang, F., Fang, Y., Zeng, T. (2018). On the Convex Model of Speckle Reduction. In: Tai, XC., Bae, E., Lysaker, M. (eds) Imaging, Vision and Learning Based on Optimization and PDEs. IVLOPDE 2016. Mathematics and Visualization. Springer, Cham. https://doi.org/10.1007/978-3-319-91274-5_6
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DOI: https://doi.org/10.1007/978-3-319-91274-5_6
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