Fan Xinnan

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Social Networks have become embedded in our daily life so much that we no longer realize it. But researches on the structures of networks are correspondingly fewer than their statistical properties, however, the studies of structural features are necessary and significant. Here we present an approach to study the structures of social networks based on(More)
To obtain a high-resolution sonar image from a set of shifted and decimated low-resolution sonar images, a fast super-resolution algorithm with despeckling is proposed in this paper. According to the sonar imaging model, low-resolution images can be viewed as speckled and downsampled versions of the high-resolution image. Based on L<inf>1</inf> norm(More)
The performance of evolutionary computation (EC) is determined by many parameters among which the mutation operator plays an important role especially for floating-point EC. However, the traditional mutation operation can't effectively keep EC from trapping in local extremum. In order to improve the efficiency of EC, a novel dyadic mutation operator is(More)
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