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Volume rendering is a central task in the medical image reconstruction and 3D visualization fields. A new method was proposed in this paper. Instead of optimization of the transfer function or the rendering shader construction, we focus the processing of the original data-set images. In early stage of the volume rendering pipeline, a series of image filters are applied to preprocess the source images...
In this paper, we explore the solutions of several optimization problems related to the Lagrangians of 3-uniform hypergraphs in some special cases. Exact solutions of these problems will benefit applications such as machine vision, image-guided neuro surgery and human face tracking in real time.
This paper concentrates on the development and evaluation of linear characteristics of a complex flexure hinge with high accuracy and large stiffness. The flexure hinge mechanism is used to clamp the shaft of a micropositioning stage based on the inchworm principle. Six key parameters of the flexure hinge are optimized by using finite element method. Developed flexure hinge has very good effects on...
We present a numerical method based on surrogate duality to solve contact problems in elasticity. The primal optimization problem arising from the contact problem is converted to a corresponding dual problem using surrogate duality. An explicit dual formulation for the surrogate dual problem is obtained on some certain conditions, and a Karmarkar's interior point based method is introduced to solve...
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