Capítulo de Libro
A Kernel for Time Series Classification: Application to Atmospheric Pollutants
Autor/es | Arias, Marta
Troncoso Lora, Alicia Riquelme Santos, José Cristóbal |
Departamento | Universidad de Sevilla. Departamento de Lenguajes y Sistemas Informáticos |
Fecha de publicación | 2013 |
Fecha de depósito | 2016-06-20 |
Publicado en |
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ISBN/ISSN | 978-3-642-32921-0 2194-5357 |
Resumen | In this paper a kernel for time-series data is presented. The
main idea of the kernel is that it is designed to recognize as similar time
series that may be slightly shifted with one another. Namely, it tries to
focus ... In this paper a kernel for time-series data is presented. The main idea of the kernel is that it is designed to recognize as similar time series that may be slightly shifted with one another. Namely, it tries to focus on the shape of the time-series and ignores the fact that the series may not be perfectly aligned. The proposed kernel has been validated on several datasets based on the UCR time-series repository [1]. A comparison with the well-known Dynamic Time Warping (DTW) distance and Euclidean distance shows that the proposed kernel outperforms the Euclidean distance and is competitive with respect to the DTW distance while having a much lower computational cost. |
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