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Functional Kernel Density Estimation: Point and Fourier Approaches to Time Series Anomaly Detection

We present an unsupervised method to detect anomalous time series among a collection of time series. To do so, we extend traditional Kernel Density Estimation for estimating probability distributions in Euclidean space to Hilbert spaces. The estimated probability densities we derive can be obtained...

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Publicado en:Entropy (Basel)
Autores principales: Lindstrom, Michael R., Jung, Hyuntae, Larocque, Denis
Formato: Artigo
Lenguaje:Inglês
Publicado: MDPI 2020
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Acceso en línea:https://ncbi.nlm.nih.gov/pmc/articles/PMC7759980/
https://ncbi.nlm.nih.gov/pubmed/33266340
https://ncbi.nlm.nih.govhttp://dx.doi.org/10.3390/e22121363
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