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- W2899971957 abstract "In this paper, a sparsity-based method for solving an underde-termind source separation problem is proposed. The proposed method is formulated as a convex optimization problem with two kinds of sparsity priors: sparsity in time-frequency domain and direction-of-arrival (DOA). These priors enable simultaneous estimation of DOA and sound sources, while the estimation result does not depend on an initialization method thanks to the convexity. Experiments using 4 sound sources recorded by 2 microphones confirmed that every random initial value in the proposed method resulted in the same performance which was better than the conventional methods." @default.
- W2899971957 created "2018-11-16" @default.
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- W2899971957 date "2018-09-01" @default.
- W2899971957 modified "2023-09-24" @default.
- W2899971957 title "Underdetermined Source Separation with Simultaneous DOA Estimation Without Initial Value Dependency" @default.
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- W2899971957 doi "https://doi.org/10.1109/iwaenc.2018.8521359" @default.
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