Unsupervised feature selection in digital mammogram image using rough set theory

Authors:
K. Thangavel;C. Velayutham
Affiliations:
Department of Computer Science, Periyar University, Salem, Tamil Nadu 636011, India;Department of Computer Science, Aditanar College of Arts and Science, Tiruchendur, Thoothukudi, Tamil Nadu 628216, India
Venue:
International Journal of Bioinformatics Research and Applications
Year:
2012

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Abstract

Feature Selection (FS) is a process which attempts to select features which are more informative. In this paper, a novel unsupervised FS in mammogram images, using rough set-based relative dependency measures, is proposed. A typical mammogram image processing system generally consists of mammogram image acquisition, pre-processing of image, segmentation and features extraction from the segmented mammogram image. The proposed unsupervised FS method is used to select features from data sets; the method is compared with existing rough set based supervised FS methods, and the classification performance of both methods are recorded and demonstrate the efficiency of this method.