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- W3134468082 abstract "Topological Data Analysis (TDA) is a rapidly growing field, which studies methods for learning underlying topological structures present in complex data representations. TDA methods have found recent success in extracting useful geometric structures for a wide range of applications, including protein classification, neuroscience, and time-series analysis. However, in many such applications, one is also interested in sequentially detecting changes in this topological structure. We propose a new method called Persistence Diagram based Change-Point (PD-CP), which tackles this problem by integrating the widely-used persistence diagrams in TDA with recent developments in nonparametric change-point detection. The key novelty in PD-CP is that it leverages the distribution of points on persistence diagrams for online detection of topological changes. We demonstrate the effectiveness of PD-CP in an application to solar flare monitoring." @default.
- W3134468082 created "2021-03-15" @default.
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- W3134468082 date "2021-02-27" @default.
- W3134468082 modified "2023-09-27" @default.
- W3134468082 title "Online High-Dimensional Change-Point Detection using Topological Data Analysis" @default.
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