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    题名: Modified Sequential Floating Search Algorithm with a Novel Ranking Method
    作者: Chou, Chien-hsing;Hsieh, Yi-zeng;Tsai, Chi-yi
    贡献者: 淡江大學電機工程學系
    关键词: Feature selection;Sequential floating search;False feature;One-against-all;Pattern classification
    日期: 2012-03
    上传时间: 2012-05-05 17:49:49 (UTC+8)
    出版者: Kumamoto: I C I C International
    摘要: Feature selection plays a critical role in pattern classification. Of the various feature selection methods, the sequential floating search (SFS) method is perhaps the most well-known and widely adopted. This paper proposes a feature selection method combining feature ranking and SFS. The proposed feature ranking approach adopts the new idea of false features to rank features based on their importance, and then applies SFS to features that are less important or of lower rank. This approach overcomes issues with the original SFS and extracts more critical features. In addition, most feature selection methods do not consider the problem of multi-class classification. As a result, these methods have difficulty achieving good performance when dealing with a greater variety of classes. Therefore, this study adopts a one-against-all strategy to address this issue. The proposed approach divides multi-class classification into several binary classifications and adopts feature selection to derive individual feature subsets. This strategy achieves satisfactory performance in experimental simulations.
    關聯: International Journal of Innovative Computing, Information and Control 8(3)pt.B, pp.2089-2100
    显示于类别:[電機工程學系暨研究所] 期刊論文

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