no code implementations • 24 Jan 2019 • Anastasia Podosinnikova, Amelia Perry, Alexander Wein, Francis Bach, Alexandre d'Aspremont, David Sontag
Moreover, we conjecture that the proposed program recovers a mixing component at the rate k < p^2/4 and prove that a mixing component can be recovered with high probability when k < (2 - epsilon) p log p when the original components are sampled uniformly at random on the hyper sphere.
no code implementations • 29 Feb 2016 • Anastasia Podosinnikova, Francis Bach, Simon Lacoste-Julien
We introduce three novel semi-parametric extensions of probabilistic canonical correlation analysis with identifiability guarantees.
no code implementations • NeurIPS 2015 • Anastasia Podosinnikova, Francis Bach, Simon Lacoste-Julien
We consider moment matching techniques for estimation in Latent Dirichlet Allocation (LDA).
no code implementations • 1 Jun 2015 • Anastasia Podosinnikova, Simon Setzer, Matthias Hein
In distinction to other methods for robust PCA, our method has no free parameter and is computationally very efficient.
