Dipam Goswami

PhD student, Computer Vision Center, Universitat Autónoma de Barcelona

1 paper at NeurIPS 2025

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Poster Session 3

1 paper

Thursday, December 4, 2025 · 11:00 AM → 2:00 PM

Exhibit Hall C,D,E

Covariances for Free: Exploiting Mean Distributions for Training-free Federated Learning

#2703 · Dipam Goswami, Simone Magistri, Kai Wang, Bartłomiej Twardowski, Andrew D. Bagdanov, Joost van de Weijer

We estimate global class covariances at the server with a provably unbiased estimator requiring only local class means from clients, achieving performance competitive or superior to algorithms sharing second-order statistics