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Different risk constraint represents the different decision-making process of decision-makers. This paper use the traditional Mean-Variance, Value at Risk and Conditional Value at Risk which are from financial engineering to establish the optimum order risk decision model under the assumption of normal distribution. In order to illustrate the characteristics of different risk measurement constraint,...
Case representation is groundwork in case retrieval and case-based reasoning system. The retrieval result will mainly depend on case representation. This paper presents a novel approach to model ontology-based case using rough set in a structuring way which can largely enhance the efficiency of case retrieval. It is proved through experiment that user can get much better result based on this approach.
In order to improve the quality of the infrared image, a kind of algorithm based on fuzzy-set and multi-scale wavelet decomposition (FSMW) to enhance the edge without the noise enhancement is advanced in this paper. Because the details and the noise of the image are difficult to distinguish and the edges are distributed in multi-scales, the membership functions in each scales of the noise, the low...
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