Abstract
Recently, multi-view feature learning technique has attracted lots of research interest. Discriminant analysis-based multi-view feature learning is an important research branch. Although some multi-view discriminant analysis methods have been presented, there still exists room for improvement. How to effectively explore the discriminant and local geometrical structure information simultaneously from multiple views is still an important research topic. In this paper, we propose a novel approach named uncorrelated locality-sensitive multi-view discriminant analysis, which jointly learns multiple view-specific transformations, such that in the projected subspace for each view, the within-class nearby samples are close to each other, while the between-class nearby samples are far apart. We provide a multi-view sample distance term to promote the one-to-one data consistency across views. Furthermore, we design uncorrelated constraints to reduce the redundancy among the transformations. Experiments on two widely used datasets demonstrate the effectiveness of the proposed approach.
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Acknowledgements
The work described in this paper was fully supported by the National Natural Science Foundation of China (No. 61702280), Natural Science Foundation of Jiangsu Province (No. BK20170900), National Postdoctoral Program for Innovative Talents (No. BX20180146), China Postdoctoral Science Foundation (No. 2019M661901), Jiangsu Planned Projects for Postdoctoral Research Funds (No. 2019K024), CCF-Tencent Open Fund WeBank Special Funding, and Scientific Research Starting Foundation for Introduced Talents in NJUPT (NUPTSF, No. NY217009).
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Wu, F., Jing, XY. & Huang, Q. Uncorrelated Locality-Sensitive Multi-view Discriminant Analysis. Natl. Acad. Sci. Lett. 43, 327–331 (2020). https://doi.org/10.1007/s40009-019-00864-4
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DOI: https://doi.org/10.1007/s40009-019-00864-4