期刊文献+

战场环境仿真中基于图像的实时阴影技术 被引量:2

IBR Real-Time Shadow Technology in the Battlefield Environment Simulation
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摘要 阴影是战场环境仿真中增强真实感的重要手段。分析战场环境中阴影的特点,将其分为静态阴影和动态阴影,根据战场环境仿真对阴影效果实时性和真实感的要求,采用改进的快速光线跟踪算法和预烘焙方法生成光照图,分别实现静态阴影中的地形和地物阴影,采用光源空间透视阴影图技术,改善阴影边缘走样,实时渲染真实的动态阴影。实验结果表明,实现的阴影效果达到了较好的实时性和真实感。 Shadow is the important means to tone up the feeling of reality and immersion in the battlefield envi- ronment simulation. This paper analyzed the characters and classification of shadow, and implemented the static shadow by lightmapping which used the fast tray traced terrain shadow map and pre-bake mesh shadow on terrain and the dynamic shadow by light space perspective shadow map, finally we got satisfactory results.
出处 《测绘科学技术学报》 北大核心 2007年第1期18-21,共4页 Journal of Geomatics Science and Technology
基金 国家自然科学基金(40371090) 武汉大学测绘遥感信息工程国家重点实验室开放基金共同资助
关键词 虚拟现实 光照图 光源空间透视阴影图 实时阴影渲染 virtual reality lightmapping light space perspective shadow map real-time rendering
作者简介 万刚(1972-),男,河北张家口人,副教授,博士,主要从事战场环境仿真研究。
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参考文献6

  • 1游雄.基于虚拟现实技术的战场环境仿真[J].测绘学报,2002,31(1):7-11. 被引量:49
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二级参考文献10

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