Search Results for author: Romain Tavenard

Found 10 papers, 6 papers with code

Early Classification for Agricultural Monitoring from Satellite Time Series

no code implementations27 Aug 2019 Marc Rußwurm, Romain Tavenard, Sébastien Lefèvre, Marco Körner

In this work, we introduce a recently developed early classification mechanism to satellite-based agricultural monitoring.

Classification Early Classification +3

Learning Interpretable Shapelets for Time Series Classification through Adversarial Regularization

no code implementations3 Jun 2019 Yichang Wang, Rémi Emonet, Elisa Fromont, Simon Malinowski, Etienne Menager, Loïc Mosser, Romain Tavenard

Times series classification can be successfully tackled by jointly learning a shapelet-based representation of the series in the dataset and classifying the series according to this representation.

Classification General Classification +3

Sliced Gromov-Wasserstein

1 code implementation NeurIPS 2019 Titouan Vayer, Rémi Flamary, Romain Tavenard, Laetitia Chapel, Nicolas Courty

Recently used in various machine learning contexts, the Gromov-Wasserstein distance (GW) allows for comparing distributions whose supports do not necessarily lie in the same metric space.

End-to-End Learned Early Classification of Time Series for In-Season Crop Type Mapping

2 code implementations30 Jan 2019 Marc Rußwurm, Nicolas Courty, Rémi Emonet, Sébastien Lefèvre, Devis Tuia, Romain Tavenard

In this work, we present an End-to-End Learned Early Classification of Time Series (ELECTS) model that estimates a classification score and a probability of whether sufficient data has been observed to come to an early and still accurate decision.

Classification Crop Classification +6

Fused Gromov-Wasserstein distance for structured objects: theoretical foundations and mathematical properties

1 code implementation7 Nov 2018 Titouan Vayer, Laetita Chapel, Rémi Flamary, Romain Tavenard, Nicolas Courty

Optimal transport theory has recently found many applications in machine learning thanks to its capacity for comparing various machine learning objects considered as distributions.

BIG-bench Machine Learning

From BOP to BOSS and Beyond: Time Series Classification with Dictionary Based Classifiers

no code implementations18 Sep 2018 James Large, Anthony Bagnall, Simon Malinowski, Romain Tavenard

We find that whilst ensembling is a key component for both algorithms, the effect of the other components is mixed and more complex.

General Classification Image Classification +3

Optimal Transport for structured data with application on graphs

2 code implementations23 May 2018 Titouan Vayer, Laetitia Chapel, Rémi Flamary, Romain Tavenard, Nicolas Courty

This work considers the problem of computing distances between structured objects such as undirected graphs, seen as probability distributions in a specific metric space.

Clustering Graph Classification +2

Dense Bag-of-Temporal-SIFT-Words for Time Series Classification

no code implementations8 Jan 2016 Adeline Bailly, Simon Malinowski, Romain Tavenard, Thomas Guyet, Laetitia Chapel

In this paper, we design a time series classification scheme that builds on the SIFT framework adapted to time series to feed a Bag-of-Words.

Classification General Classification +4

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