An efficient augmented Lagrangian algorithm for graph regularized sparse coding in clustering
2013
The combination of sparse coding and manifold learning
has received much attention recently. However, the
computational complexity of the resulting optimization
problem hinders its practical application. In this paper, an
augmented Lagrangian method is proposed to address this
issue, which first transforms the unconstrained problem to
an equivalent constrained problem and then an alternating
direction method is used to iteratively solve the
subproblems. Experimental results validate the effectiveness
of the propose algorithm.
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