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- W4291330383 abstract "Sparse Blind Source Separation (sparse BSS) is a key method to analyze multichannel data in fields ranging from medical imaging to astrophysics. However, since it relies on seeking the solution of a non-convex penalized matrix factorization problem, its performances largely depend on the optimization strategy. In this context, Proximal Alternating Linearized Minimization (PALM) has become a standard algorithm which, despite its theoretical grounding, generally provides poor practical separation results. In this work, we propose a novel strategy that combines a heuristic approach with PALM. We show its relevance on realistic astrophysical data." @default.
- W4291330383 created "2022-08-14" @default.
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- W4291330383 date "2018-12-17" @default.
- W4291330383 modified "2023-09-27" @default.
- W4291330383 title "Heuristics for Efficient Sparse Blind Source Separation" @default.
- W4291330383 doi "https://doi.org/10.48550/arxiv.1812.06737" @default.
- W4291330383 hasPublicationYear "2018" @default.
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