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Aimed at the defect of the traditional mean shift tracking algorithm which using symmetric kernel function who contains amounts of background pixels, this paper presents an enhanced mean shift tracking algorithm based on evolutive asymmetric kernel to improve the tracking accuracy and stability. The paper firstly described the calculation method of Template Center which is the key issue in introducing...
Based on the study of the mechanics features of air spring including the nonlinearities in material, geometry, contact, the nonlinear finite element analysis was applied to study nonlinearity characteristic of air spring. The three-dimensional finite element model of a cystiform air spring was established with the method of nonlinear finite element analysis. The analytical results were confirmed by...
Taking Xuzhou City as a case, the studies of landscape classification, pattern analysis and eco-environmental impacts evaluation are made using Landsat TM/ETM+ images in this paper. For this purpose, firstly urban landscape information is extracted from Landsat TM/ETM+ images using C5.0 decision tree classification method based on spectral features, texture features and shape information. The results...
This paper was concerned with a new integrated method of topology optimization and shape optimization. The new method was used in this paper to optimize the structure of an air suspension bracket. In this article, Method of Moving Asymptotes was employed to solve the variable density model discrete by finite element method. The compliance and mass were regarded as topology and shape optimization objectives,...
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