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            <title xml:lang="en">Resting State fMRI Data Classification Method Based on K-means Algorithm Optimized by Rough Set</title>
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                <forename type="first">Xianzhe</forename>
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                <title xml:lang="en">Resting State fMRI Data Classification Method Based on K-means Algorithm Optimized by Rough Set</title>
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                    <forename type="first">Xianzhe</forename>
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                    <forename type="first">Weiming</forename>
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                    <forename type="first">Yuhu</forename>
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                    <forename type="first">Shaojun</forename>
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                  <date type="start">2017-10-25</date>
                  <date type="end">2017-10-28</date>
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                  <country key="CN">China</country>
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                <editor>Zhongzhi Shi</editor>
                <editor>Ben Goertzel</editor>
                <editor>Jiali Feng</editor>
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                  <publisher>Springer International Publishing</publisher>
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                <term xml:lang="en">Resting state</term>
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                <term xml:lang="en">Rough set</term>
                <term xml:lang="en">Functional MRI</term>
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              <p>With the development of brain science, a variety of new methods and techniques continue to emerge. Functional magnetic resonance imaging (fMRI) has become one of the important ways to study the brain functional connection and of brain functional connectivity detection because of its noninvasive and repeatability. However, there are still some issues in the fMRI researches such as the amounts of data and the interference noise in the data. Therefore, how to effectively reduce the fMRI data dimension and extract data features has become one of the core content of study. In this paper, a K-means algorithm based on rough set optimization is proposed to solve these problems. Firstly, the concept of important attributes is put forward according to the characteristics of Rough Set, and the attribute importance is calculated by observing the change of attribute positive domain. Then, the best attributes reduction is selected by the attribute importance, so that these important attributes are the best attributes reduction. Finally, the K-means algorithm is used to classify the important attributes. The experiments of two datasets are designed to evaluate the proposed algorithm, and the experimental results show that the K-means algorithm based on rough set optimization has more classification accuracy than the original K-means algorithm.</p>
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