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An Accelerated Proximal Coordinate Gradient Method.
Qihang Lin
Zhaosong Lu
Lin Xiao
Published in:
NIPS (2014)
Keyphrases
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gradient method
convergence rate
optimization methods
convex formulation
step size
negative matrix factorization
data sets
information retrieval systems
feature selection
image processing
multiscale
object recognition
convergence speed