Data Augmentation for Time Series Classification using Convolutional Neural Networks

Arthur Le Guennec; Simon Malinowski; Romain Tavenard

Data Augmentation for Time Series Classification using Convolutional Neural Networks

Arthur Le Guennec ^{1, 2} Simon Malinowski ³ Romain Tavenard ^{2, 1}

1 OBELIX - Environment observation with complex imagery

UBS - Université de Bretagne Sud, IRISA-D5 - SIGNAUX ET IMAGES NUMÉRIQUES, ROBOTIQUE

2 LETG - Rennes - Littoral, Environnement, Télédétection, Géomatique

LETG - Littoral, Environnement, Télédétection, Géomatique

3 LinkMedia - Creating and exploiting explicit links between multimedia fragments

IRISA-D6 - MEDIA ET INTERACTIONS, Inria Rennes – Bretagne Atlantique

Abstract : Time series classification has been around for decades in the data-mining and machine learning communities. In this paper, we investigate the use of convolutional neural networks (CNN) for time series classification. Such networks have been widely used in many domains like computer vision and speech recognition, but only a little for time series classification. We design a convolu-tional neural network that consists of two convolutional layers. One drawback with CNN is that they need a lot of training data to be efficient. We propose two ways to circumvent this problem: designing data-augmentation techniques and learning the network in a semi-supervised way using training time series from different datasets. These techniques are experimentally evaluated on a benchmark of time series datasets.

Keywords : convolutional neural networks time series

Type de document :

Communication dans un congrès

ECML/PKDD Workshop on Advanced Analytics and Learning on Temporal Data, Sep 2016, Riva Del Garda, Italy

Domaine :

Sciences de l'Homme et Société / Méthodes et statistiques

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https://halshs.archives-ouvertes.fr/halshs-01357973
Contributeur : Romain Tavenard <>
Soumis le : mardi 30 août 2016 - 16:53:44
Dernière modification le : mardi 5 juin 2018 - 10:14:24

AALTD16_paper_9.pdf

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