Overcomplete Independent Component Analysis via SDP

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Podosinnikova, Anastasia; Perry, Amelia; Wein, Alexander; Bach, Francis; d'Aspremont, Alexandre; Sontag, David;
  • Subject: Statistics - Machine Learning | Computer Science - Machine Learning

We present a novel algorithm for overcomplete independent components analysis (ICA), where the number of latent sources k exceeds the dimension p of observed variables. Previous algorithms either suffer from high computational complexity or make strong assumptions about... View more
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