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Spectral Projected Gradient Method with Inexact Restoration for Minimization with Nonconvex Constraints.
Márcia A. Gomes-Ruggiero
José Mario Martínez
Sandra Augusta Santos
Published in:
SIAM J. Sci. Comput. (2009)
Keyphrases
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gradient method
objective function
convergence rate
negative matrix factorization
image processing
optimization methods
step size
constrained optimization
cost function
optimization problems
image restoration
global optimization
stationary points
neural network
image features
document collections