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In credibility theory, variance is usually used as a measure of the variation of a possibility distribution about the expected value. Since the variance is defined via nonlinear fuzzy integral, its computation is difficult for general fuzzy variables. To avoid this difficulty, this paper defines the spread of a fuzzy variable based on Lebesgue-Stieltjes (L-S) integral. Our approach is to find an "average...
An image fusion system using a fuzzy biorthogonal wavelet transform technique is proposed and justified in this paper. The basic fuzzy sets are defined on the low-high, high-low, and high-high spatial frequency bands at different scales of biorthogonal wavelet transform on the visible light images and infrared images. The simulation results demonstrate the effectiveness of the fusion scheme in this...
There are lots of categorical valued and mixed numeric and categorical valued data in the practical application, and the traditional clustering methods can't analyses this kind of data very well. Aiming at the clustering of the mixed valued data, and a advanced kernel k-aggregate clustering algorithm is presented by combining the clustering analysis with kernel-based method. In this algorithm, the...
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