no code implementations • 9 Oct 2024 • Ciro Carvallo, Hernán Bocaccio, Gabriel B. Mindlin, Pablo Groisman
We present a method for reconstructing evolutionary trees from high-dimensional data, with a specific application to bird song spectrograms.
no code implementations • 30 Nov 2023 • Frédéric Chazal, Laure Ferraris, Pablo Groisman, Matthieu Jonckheere, Frédéric Pascal, Facundo Sapienza
The Fermat distance has been recently established as a useful tool for machine learning tasks when a natural distance is not directly available to the practitioner or to improve the results given by Euclidean distances by exploding the geometrical and statistical properties of the dataset.
1 code implementation • 11 Dec 2020 • Ximena Fernández, Eugenio Borghini, Gabriel Mindlin, Pablo Groisman
Our approach is based on the computation of persistent homology of the space of data points endowed with a sample metric known as Fermat distance.
2 code implementations • 22 Oct 2018 • Pablo Groisman, Matthieu Jonckheere, Facundo Sapienza
Consider an i. i. d.
Probability 60D05, 62G99