Data Filtering for Cluster Analysis by $\ell_0$-Norm Regularization

29 Jul 2016 Andrea Cristofari

A data filtering method for cluster analysis is proposed, based on minimizing a least squares function with a weighted $\ell_0$-norm penalty. To overcome the discontinuity of the objective function, smooth non-convex functions are employed to approximate the $\ell_0$-norm... (read more)

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