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Multi-dimensional sparse structured signal approximation using split Bregman iterations
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Multi-dimensional sparse structured signal approximation using split Bregman iterations
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The paper focuses on the sparse approximation of signals using overcomplete representations, such that it preserves the (prior) structure of multi-dimensional signals. The underlying optimization problem is tackled using a multi-dimensional split Bregman optimization approach. An extensive empirical evaluation shows how the proposed approach compares to the state of the art depending on the signal features.
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