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- W4386876209 abstract "This paper provides an overview of three notable approaches for detecting anomalies in spatio-temporal data. The three review methods are selected from the framework of multivariate statistical process control (SPC), scan statistics, and tensor decomposition. For each method, we first demonstrate its technical intricacies and then apply it to a real-world dataset, which is 300 images of solar activities collected by satellite. Our findings reveal that these methods possess distinct strengths. Specifically, scan statistics excel at identifying clustered anomalies, multivariate SPC is effective in detecting sparse anomalies, and tensor decomposition is adept at identifying anomalies exhibiting desirable patterns, such as temporal circularity. We emphasize the importance of customizing the selection of these methods based on the specific characteristics of the dataset and the analysis objectives." @default.
- W4386876209 created "2023-09-20" @default.
- W4386876209 creator A5073589352 @default.
- W4386876209 date "2023-09-18" @default.
- W4386876209 modified "2023-09-27" @default.
- W4386876209 title "Anomaly Detection in Spatio-Temporal Data: Theory and Application" @default.
- W4386876209 doi "https://doi.org/10.48550/arxiv.2309.09878" @default.
- W4386876209 hasPublicationYear "2023" @default.
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