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Searching experts for helping make decision in an organization is an effective solution. Traditional approaches of expert search only use the expertise information of a single expert and ignore relationship between persons. Recently some research shows that relationship between persons is also helpful. However, most approaches cost much time and energy to establish expertise profiles for all experts...
From researching tolerance relation and valued tolerance relation, we draw a conclusion that the “similarity” of two objects in incomplete information systems defined by tolerance relation and having missing attribute values is very low. We introduce a new extension of rough set based on strict similarity relation, in which the missing values are considered as “any value”, denoted by *. We regard...
In this paper, a region-based method is proposed for frame rate up-conversion. To reduce spatial discontinuities and mitigate deformed structures commonly seen in block-based motion-compensated frame interpolation approaches, the proposed method interpolates frames based on depth-ordered moving regions. We develop a 3-parameter motion model to describe regions' moving trajectories, and use the local...
In this paper, we present an efficient algorithm for moving region segmentation which operates exclusively in the compressed domain, and yet provides region boundaries with pixel precision. Block-based motion vectors (MVs) are the only information used in the segmentation. First, MVs are-homogeneous regions. Second, the boundary regions are identified, and the density of motion field in boundary regions...
A finite element analysis model was established for the circle-ended concrete-filled steel tubular(CFST) tower of a cable-stayed bridge with ldquosharing-noderdquo method of ANSYS, the circle-ended CFST towerpsilas mechanics behaviors in different load cases in the process of the bridgepsilas construction were stimulated by considering variation of the core concretepsilas Poisson Ratio in the constitutive...
In the present paper, duffing system is used to produce chaotic time series which is then used to reconstruct phase space, RCD algorithm is used to computer the largest Lyapunov characteristic exponent (LCE1), detailed program of these tasks successfully debugged in in Matlab 7.1 is given, experiment method is used to choose parameter in the program, LCE1 and dichotomy is used to find system parameter...
In this paper, we propose the chi2-classifier employing the chi2-test to test the homogeneity of two random samples of term vectors for text categorization decision. First, the properties of chi2-test for text categorization are studied. One of the advantages of chi2-test is that its significance level a is the same as the miss rate that provides a foundation for theoretical performance guarantee...
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