Abstract
One-dimensional total variation (TV) regularization can be used for signal denoising. We consider one-dimensional signals distorted by additive white Gaussian noise. TV regularization minimizes a functional consisting of the sum of fidelity and regularization terms. We derive exact solutions to one-dimensional TV regularization problem that help us to recover signals with the proposed algorithm. The proposed approach to finding exact solutions has a clear geometrical meaning. Computer simulation results are provided to illustrate the performance of the proposed algorithm for signal denoising.
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Acknowledgments
The work was supported by the Ministry of Education and Science of Russian Federation (grant 2.1766.2014К).
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Makovetskii, A., Voronin, S., Kober, V. (2017). An Efficient Algorithm for Total Variation Denoising. In: Ignatov, D., et al. Analysis of Images, Social Networks and Texts. AIST 2016. Communications in Computer and Information Science, vol 661. Springer, Cham. https://doi.org/10.1007/978-3-319-52920-2_30
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DOI: https://doi.org/10.1007/978-3-319-52920-2_30
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