Robust Semi-Supervised Manifold Learning Algorithm for Classification
Mingxia Chen,
Jing Wang,
Xueqing Li and
Xiaolong Sun
Mathematical Problems in Engineering, 2018, vol. 2018, 1-8
Abstract:
In the recent years, manifold learning methods have been widely used in data classification to tackle the curse of dimensionality problem, since they can discover the potential intrinsic low-dimensional structures of the high-dimensional data. Given partially labeled data, the semi-supervised manifold learning algorithms are proposed to predict the labels of the unlabeled points, taking into account label information. However, these semi-supervised manifold learning algorithms are not robust against noisy points, especially when the labeled data contain noise. In this paper, we propose a framework for robust semi-supervised manifold learning (RSSML) to address this problem. The noisy levels of the labeled points are firstly predicted, and then a regularization term is constructed to reduce the impact of labeled points containing noise. A new robust semi-supervised optimization model is proposed by adding the regularization term to the traditional semi-supervised optimization model. Numerical experiments are given to show the improvement and efficiency of RSSML on noisy data sets.
Date: 2018
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Persistent link: https://EconPapers.repec.org/RePEc:hin:jnlmpe:2382803
DOI: 10.1155/2018/2382803
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