1 code implementation • 28 Sep 2023 • Ali Ismail-Fawaz, Hassan Ismail Fawaz, François Petitjean, Maxime Devanne, Jonathan Weber, Stefano Berretti, Geoffrey I. Webb, Germain Forestier
Our approach uses a new form of time series average, the ShapeDTW Barycentric Average.
no code implementations • 8 Dec 2021 • Loong Kuan Lee, Nico Piatkowski, François Petitjean, Geoffrey I. Webb
We show that we are able to compute a wide family of functionals and divergences, such as the alpha-beta divergence, between two decomposable models, i. e. chordal Markov networks, in time exponential to the treewidth of these models.
1 code implementation • 25 May 2020 • Benjamin Lucas, Charlotte Pelletier, Daniel Schmidt, Geoffrey I. Webb, François Petitjean
In this paper we present Sourcerer, a Bayesian-inspired, deep learning-based, semi-supervised DA technique for producing land cover maps from SITS data.
6 code implementations • 29 Oct 2019 • Angus Dempster, François Petitjean, Geoffrey I. Webb
Most methods for time series classification that attain state-of-the-art accuracy have high computational complexity, requiring significant training time even for smaller datasets, and are intractable for larger datasets.
10 code implementations • 11 Sep 2019 • Hassan Ismail Fawaz, Benjamin Lucas, Germain Forestier, Charlotte Pelletier, Daniel F. Schmidt, Jonathan Weber, Geoffrey I. Webb, Lhassane Idoumghar, Pierre-Alain Muller, François Petitjean
TSC is the area of machine learning tasked with the categorization (or labelling) of time series.
1 code implementation • 3 Apr 2019 • Hassan Ismail Fawaz, Germain Forestier, Jonathan Weber, François Petitjean, Lhassane Idoumghar, Pierre-Alain Muller
Over the past one hundred years, the classic teaching methodology of "see one, do one, teach one" has governed the surgical education systems worldwide.
1 code implementation • 2 Apr 2017 • Geoffrey I. Webb, Loong Kuan Lee, François Petitjean, Bart Goethals
Concept drift is a major issue that greatly affects the accuracy and reliability of many real-world applications of machine learning.