Positive Semidefinite Matrix Factorization: A Link to Phase Retrieval And A Block Gradient Algorithm.

Dana Lahat Cédric Févotte

Published in: ICASSP (2020)

Keyphrases

matrix factorization
learning algorithm
objective function
optimal solution
k means
np hard
expectation maximization
small number
convergence rate
learning rate
negative matrix factorization
nonnegative matrix factorization