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Adam, Tarmizi and Paramesran, Raveendran (2019) Image denoising using combined higher order non-convex total variation with overlapping group sparsity. Multidimensional Systems and Signal Processing, 30 (1). pp. 503-527. ISSN 0923-6082, DOI https://doi.org/10.1007/s11045-018-0567-3.