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This paper presents a study of the spatial distribution of pore water pressure on urban tunnels in water-rich regions. Based on Harr’s classical solution for unlined tunnels and the actual hydrological environment, a water pressure formula of the seepage field is derived by regarding the surrounding rock, grouting circle, lining, etc., as a complete system. The seepage model test system developed...
In this paper, an improved Kernel Fisher Discriminant (KFD) method is used in face recognition. A Generalized Kernel Fisher Discriminant Analysis (GKFD) is proposed to make the most of two kinds of discriminant information in “double discriminant subspaces”. It can also uniform the discriminant functions in two subspaces of DSDA. Experimental results on ORL face database show the feasibility of the...
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