TUNG FANG Institutional Repository:Item 987654321/1395
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    题名: Design of a two-stage fuzzy classification model
    作者: Li ,Tzuu-Hseng S.
    Guo, Nai-Ren
    Cheng, Chia-Ping
    郭乃仁
    (東方技術學院電機工程系)
    贡献者: 東方技術學院電機工程系
    关键词: Fuzzy mode
    Classification problem
    Genetic algorithms
    Fuzzy feature extraction agent
    Adaptive grade mechanism
    日期: 2008-10
    上传时间: 2012-11-14 11:19:24 (UTC+8)
    摘要: This paper proposes a novel two-stagefuzzyclassificationmodel established by the fuzzy feature extraction agent (FFEA) and the fuzzyclassification unit (FCU). At first, we propose a FFEA to validly extraction the feature variables from the original database. And then, the FCU, which is the main determination of the classification result, is developed to generate the if–then rules automatically. In fact, both the FFEA and FCU are fuzzymodels themselves. In order to obtain better classification results, we utilize the genetic algorithms (GAs) and adaptive grade mechanism (AGM) to tune the FFEA and FCU, respectively, to improve the performance of the proposed fuzzyclassificationmodel. In this model, GAs are used to determine the distribution of the fuzzy sets for each feature variable of the FFEA, and the AGM is developed to regulate the confidence grade of the principal if–then rule of the FCU. Finally, the well-known Iris, Wine, and Glass databases are exploited to test the performances. Computer simulation results demonstrate that the proposed fuzzyclassificationmodel can provide a sufficiently high classification rate in comparison with other models in the literature.
    關聯: Expert Systems with Applications, no.35, pp.1482-1495
    显示于类别:[電機工程系(數位科技系、玩具科)] 期刊論文

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