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math.NA2018★ 6 cited
Beyond Pham's algorithm for joint diagonalization
Pierre Ablin, Jean-François Cardoso, Alexandre Gramfort
The approximate joint diagonalization of a set of matrices consists in finding a basis in which these matrices are as diagonal as possible. This problem naturally appears in severa…
stat.ML2018
A Quasi-Newton algorithm on the orthogonal manifold for NMF with transform learning
Pierre Ablin, Dylan Fagot, Herwig Wendt +2
Nonnegative matrix factorization (NMF) is a popular method for audio spectral unmixing. While NMF is traditionally applied to off-the-shelf time-frequency representations based on…