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- W2023982588 abstract "In this paper, we present a novel feature extraction approach called FLDA for unsteady flow fields based on Latent Dirichlet allocation (LDA) model. Analogous to topic modeling in text analysis, in our approach, pathlines and features in a given flow field are defined as documents and words respectively. Flow topics are then extracted based on Latent Dirichlet allocation. Different from other feature extraction methods, our approach clusters pathlines with probabilistic assignment, and aggregates features to meaningful topics at the same time. We build a prototype system to support exploration of unsteady flow field with our proposed LDA-based method. Interactive techniques are also developed to explore the extracted topics and to gain insight from the data. We conduct case studies to demonstrate the effectiveness of our proposed approach." @default.
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- W2023982588 date "2014-12-31" @default.
- W2023982588 modified "2023-09-23" @default.
- W2023982588 title "FLDA: Latent Dirichlet Allocation Based Unsteady Flow Analysis" @default.
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- W2023982588 doi "https://doi.org/10.1109/tvcg.2014.2346416" @default.
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