130 citations · 263 across the 12 of their papers we have counts for
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cs.LG2018
Benefits of over-parameterization with EM
Ji Xu, Daniel Hsu, Arian Maleki
Expectation Maximization (EM) is among the most popular algorithms for maximum likelihood estimation, but it is generally only guaranteed to find its stationary points of the log-l…
cs.IT2018★ 9 cited
Approximate Message Passing for Amplitude Based Optimization
Junjie Ma, Ji Xu, Arian Maleki
We consider an -regularized non-convex optimization problem for recovering signals from their noisy phaseless observations. We design and study the performance of a message…
cs.IT2018★ 8 cited
Optimization-based AMP for Phase Retrieval: The Impact of Initialization and -regularization
Junjie Ma, Ji Xu, Arian Maleki
We consider an -regularized non-convex optimization problem for recovering signals from their noisy phaseless observations. We design and study the performance of a message…