HANDLING IMPRECISE LABELS IN FEATURE SELECTION WITH GRAPH LAPLACIAN

Gauthier Doquire; Michel Verleysen

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Paper

HANDLING IMPRECISE LABELS IN FEATURE SELECTION WITH GRAPH LAPLACIAN

Topics: Classification; Feature Selection and Extraction

In Proceedings of the 1st International Conference on Pattern Recognition Applications and Methods - Volume 2: ICPRAM, 162-169, 2012 , Vilamoura, Algarve, Portugal

Authors: Gauthier Doquire and Michel Verleysen

Affiliation: Université catholique de Louvain, Belgium

Keyword(s): Feature selection, Imprecise labels, Graph laplacian.

Related Ontology Subjects/Areas/Topics: Classification ; Feature Selection and Extraction ; Pattern Recognition ; Theory and Methods

Abstract: Feature selection is a preprocessing step of great importance for a lot of pattern recognition and machine learning applications, including classification. Even if feature selection has been extensively studied for classical problems, very little work has been done to take into account a possible imprecision or uncertainty in the assignment of the class labels. However, such a situation can be encountered frequently in practice, especially when the labels are given by a human expert having some doubts on the exact class value. In this paper, the problem where each possible class for a given sample is associated with a probability is considered. A feature selection criterion based on the theory of graph Laplacian is proposed and its interest is experimentally demonstrated when compared with basic approaches to handle such imprecise labels.

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Paper citation in several formats:

Doquire, G. and Verleysen, M. (2012). HANDLING IMPRECISE LABELS IN FEATURE SELECTION WITH GRAPH LAPLACIAN. In Proceedings of the 1st International Conference on Pattern Recognition Applications and Methods - Volume 2: ICPRAM; ISBN 978-989-8425-98-0; ISSN 2184-4313, SciTePress, pages 162-169. DOI: 10.5220/0003712101620169

@conference{icpram12,
author={Gauthier Doquire. and Michel Verleysen.},
title={HANDLING IMPRECISE LABELS IN FEATURE SELECTION WITH GRAPH LAPLACIAN},
booktitle={Proceedings of the 1st International Conference on Pattern Recognition Applications and Methods - Volume 2: ICPRAM},
year={2012},
pages={162-169},
publisher={SciTePress},
organization={INSTICC},
doi={10.5220/0003712101620169},
isbn={978-989-8425-98-0},
issn={2184-4313},
}

TY - CONF

JO - Proceedings of the 1st International Conference on Pattern Recognition Applications and Methods - Volume 2: ICPRAM
TI - HANDLING IMPRECISE LABELS IN FEATURE SELECTION WITH GRAPH LAPLACIAN
SN - 978-989-8425-98-0
IS - 2184-4313
AU - Doquire, G.
AU - Verleysen, M.
PY - 2012
SP - 162
EP - 169
DO - 10.5220/0003712101620169
PB - SciTePress