Image denoising using combined higher order non-convex total variation with overlapping group sparsity
It is widely known that the total variation image restoration suffers from the stair casing artifacts which results in blocky restored images. In this paper, we address this problem by proposing a combined non-convex higher order total variation with overlapping group sparse regularizer. The hybrid...
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| Main Authors: | , |
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| Format: | Article |
| Published: |
Springer Verlag
2019
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| Subjects: | |
| Online Access: | http://eprints.um.edu.my/24301/ https://doi.org/10.1007/s11045-018-0567-3 |
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| Institution: | Universiti Malaya |