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This work is supported by National Natural Science Foundation of China, Specialized Research Fund for the Doctoral Program of Higher Education, 973 Program (2010CB808002) , China Postdoctoral Science Foundation and the Fundamental Research Funds for the Central Universities. Emails: Y. Li: yinghua@scnu.edu.cn, J. Yin: yjx@scnu.edu.cn, Y. Wang:(More)
Tilt correction is a very crucial part of the Vehicle License Plate (VLP) automatic recognition. In this paper, according to the Weighted Least Square Method (WLSM), the VLP region is fitted to a straight line and then the line slope a<inf>1</inf> is obtained, by which the rotation angle a &#x03B1; is calculated. Finally the whole image is rotated by(More)
In this paper, we are concerned with a two-competition model described by a reaction–diffusion system with nonlocal delays which account for the drift of individuals to their present position from their possible positions at previous times. By using the iterative technique recently developed in Wang et al. (2006) [14], the sufficient conditions are(More)
This paper is concernedwith a parabolic problemwith hysteresis effects in the heat source, which models the feedback control. The existence of periodic solutions is proved by the viscosity approach when the heat force changes periodically in time. More precisely, with the help of the subdifferential operator theory and the Poincaré map, the existence of(More)
In this paper, by combining a new maximum principle of fourth-order equations with the theory of eigenline problems, we develop a monotone method in the presence of lower and upper solutions for some fourth-order ordinary differential equation boundary value problem. Our results indicate there is a relation between the existence of solutions of nonlinear(More)