2 papers
astro-ph.IM2025
The Leinster-Cobbold diversity index as a criterion for sub-clustering
Hugo Chambon, Didier Fraix-Burnet
An automatic procedure to perform sub-clustering on large samples is presented. At each iteration, the most diverse cluster is sub-clustered, and the global diversity of the new cl…
astro-ph.GA2024
Spectral similarities in galaxies through an unsupervised classification of spaxels
Hugo Chambon, Didier Fraix-Burnet
We present the first unsupervised classification of spaxels in hyperspectral images of individual galaxies. Classes identify regions by spectral similarity and thus take all the in…