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- W4285220982 abstract "<p style='text-indent:20px;'>This work proposes a novel technique for clustering multimodal data according to their information content. Statistical correlations present in data that contain similar information are exploited to perform the clustering task. Specifically, multiset canonical correlation analysis is equipped with norm-one regularization mechanisms to identify clusters within different types of data that share the same information content. A pertinent minimization formulation is put forth, while block coordinate descent is employed to derive a batch clustering algorithm which achieves better clustering performance than existing alternatives. Relying on subgradient descent, an online clustering approach is derived which substantially lowers computational complexity compared to the batch approach, while not compromising significantly the clustering performance. It is established that for an increasing number of data the novel regularized multiset framework is able to correctly cluster the multimodal data entries. Further, it is proved that the online clustering scheme converges with probability one to a stationary point of the ensemble regularized multiset correlations cost having the potential to recover the correct clusters. Extensive numerical tests demonstrate that the novel clustering scheme outperforms existing alternatives, while the online scheme achieves substantial computational savings.</p>" @default.
- W4285220982 created "2022-07-14" @default.
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- W4285220982 date "2022-01-01" @default.
- W4285220982 modified "2023-09-25" @default.
- W4285220982 title "Multimodal correlations-based data clustering" @default.
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- W4285220982 doi "https://doi.org/10.3934/fods.2022011" @default.
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