Mingqiang Yin

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The competition in 21 century is no longer located among enterprises, but in all the supply chains. To maximize the supply chain benefit, the stable and efficient supply chain should be provided. This paper applies the polychromatic sets to discuss the supplier selection problem and describe the supplier selection related factors. According to those(More)
As the complexity of virtual environments increases, it becomes a critical issue to ray tracing of dynamic scenes interactively. In this paper, we propose an effective method to address this issue. Firstly, we improve the Surface Area Heuristics (SAH) based bounding volume hierarchies (BVHs) construction algorithm and present a sub-interval search criterion(More)
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