Online estimation of MGGD: the Riemannian Averaged Natural Gradient method.

Jialun Zhou Salem Said Yannick Berthoumieu

Published in: CAMSAP (2019)

Keyphrases

gradient method
log likelihood function
convergence rate
step size
negative matrix factorization
optimization methods
convex formulation
neural network
genetic algorithm
em algorithm
computer vision
multiresolution
natural gradient learning