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Although many mesh generation methods have been developed, difficulties still exist in generating high-quality structured hex-meshes for specific local geometric features such as holes and columns in three-dimensional models. In this paper, a mesh generation approach is proposed to overcome the problem of meshing local features having regular structure with high quality. Firstly, analyze the feature's...
This paper present a method for the calculation of elastohydrodynamic lubrication (EHL) that can used in the dynamic analysis of rolling bearings. In EHL theory, it is generally assumed that the rolling element is subject to a constant load, but in the dynamic analysis of rolling bearings, the load is unknown. Based on geometry and position relation of rolling elements, the convergence criterion of...
In this paper, a novel descriptor — Line-SIFT Geometric Pattern (LSGP) is proposed for wide-baseline image matching. In this descriptor, the geometry relationship between a line segment and its neighboring SIFT features is used to describe the line segments. By measuring the similarities between line segments, we could find line correspondences between multiple images which embed more intuitive information...
Due to ear's complex structure, particular position, and preferable stability, ear biometrics has attracted increasingly attention recently. In this paper, we present a new multi-view based ear feature extraction strategy. We utilize not only front view ear image but backside view ear image to extract 2D ear shape four kinds of rich features for ear recognition. In addition, we utilize multi-view...
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