Search Results for author: Federico Bassetti

Found 4 papers, 2 papers with code

Computing Kantorovich-Wasserstein Distances on d-dimensional histograms using (d+1)-partite graphs

no code implementations NeurIPS 2018 Gennaro Auricchio, Federico Bassetti, Stefano Gualandi, Marco Veneroni

This paper presents a novel method to compute the exact Kantorovich-Wasserstein distance between a pair of $d$-dimensional histograms having $n$ bins each.

Computing Kantorovich-Wasserstein Distances on $d$-dimensional histograms using $(d+1)$-partite graphs

1 code implementation NeurIPS 2018 Gennaro Auricchio, Federico Bassetti, Stefano Gualandi, Marco Veneroni

This paper presents a novel method to compute the exact Kantorovich-Wasserstein distance between a pair of $d$-dimensional histograms having $n$ bins each.

On the Computation of Kantorovich-Wasserstein Distances between 2D-Histograms by Uncapacitated Minimum Cost Flows

3 code implementations2 Apr 2018 Federico Bassetti, Stefano Gualandi, Marco Veneroni

When the distance among bins is measured with the 2-norm: (i) we derive a quantitative estimate on the error between optimal and approximate solution; (ii) given the error, we construct a reduced flow network of size $O(n)$.

Generalized Species Sampling Priors with Latent Beta reinforcements

no code implementations4 Dec 2010 Edoardo M. Airoldi, Thiago Costa, Federico Bassetti, Fabrizio Leisen, Michele Guindani

We evaluate the performance of the prior and the robustness of the resulting inference in a simulation study, providing a comparison with popular Dirichlet Processes mixtures and Hidden Markov Models.

Clustering

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