Search Results for author: Mathieu Carriere

Found 6 papers, 1 papers with code

Diffeomorphic interpolation for efficient persistence-based topological optimization

no code implementations29 May 2024 Mathieu Carriere, Marc Theveneau, Théo Lacombe

In particular, we show that our approach combines efficiently with subsampling techniques routinely used in TDA, as the diffeomorphism derived from the gradient computed on a subsample can be used to update the coordinates of the full input object, allowing us to perform topological optimization on point clouds at an unprecedented scale.

Topological Data Analysis

Topological data analysis identifies emerging adaptive mutations in SARS-CoV-2

no code implementations14 Jun 2021 Michael Bleher, Lukas Hahn, Maximilian Neumann, Juan Angel Patino-Galindo, Mathieu Carriere, Ulrich Bauer, Raul Rabadan, Andreas Ott

By leveraging the stratification by time in sequence data, our method enables the high-resolution longitudinal analysis of topological signals of adaptation.

Topological Data Analysis

Topological Uncertainty: Monitoring trained neural networks through persistence of activation graphs

no code implementations7 May 2021 Théo Lacombe, Yuichi Ike, Mathieu Carriere, Frédéric Chazal, Marc Glisse, Yuhei Umeda

We showcase experimentally the potential of Topological Uncertainty in the context of trained network selection, Out-Of-Distribution detection, and shift-detection, both on synthetic and real datasets of images and graphs.

Data Augmentation Out-of-Distribution Detection

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