2 papers
stat.ME2025
Modeling high dimensional point clouds with the spherical cluster model
Frédéric Cazals, Antoine Commaret, Louis Goldenberg
A parametric cluster model is a statistical model providing geometric insights onto the points defining a cluster. The {\em spherical cluster model} (SC) approximates a finite poin…
cs.LG2025
Improved seeding strategies for k-means and k-GMM
Guillaume Carrière, Frédéric Cazals
We revisit the randomized seeding techniques for k-means clustering and k-GMM (Gaussian Mixture model fitting with Expectation-Maximization), formalizing their three key ingredient…