| 自适应实时阴影算法研究与实现(英文) |
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| 引用本文： | 詹华蕊,谢晓尧,景凤宣.自适应实时阴影算法研究与实现(英文)[J].贵州师范大学学报(自然科学版),2012,30(6):100-104,112. |
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| 作者姓名： | 詹华蕊 谢晓尧 景凤宣 |
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| 作者单位： | 贵州师范大学贵州省信息与计算科学重点实验室,贵州贵阳,550001 |
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| 基金项目： | supported in part by Development and Reform Commission of Guizhou Province,China under Grant 20102400;Economy and Informatization Commission of Guizhou Provice,China under Grant 20101013 |
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| 摘 要： | 提出一种有效的自适应阴影算法。该算法首先用多个有不同深度的阴影图来替换传统的一个阴影图,然后在绘制场景到屏幕之前,将场景绘制到一个屏幕缓冲纹理中,对其进行PCF和模糊处理,最后生成阴影。实验表明,该算法简单实用,不仅能够在保证大规模场景绘制速率的同时,生成令人满意的逼真实时阴影,还能达到在大规模场景中实时绘制阴影的效果。
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| 关 键 词： | 阴影映射 阴影图 PCF 实时阴影 |
Research and realization of self-adaptive real-time shadow algorithm |
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| ZHAN Hua-rui,XIE Xiao-yao ,JING Feng-xuan.Research and realization of self-adaptive real-time shadow algorithm[J].Journal of Guizhou Normal University(Natural Sciences),2012,30(6):100-104,112. |
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| Authors: | ZHAN Hua-rui XIE Xiao-yao JING Feng-xuan |
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| Institution: | (Key Laboratory of Information and Computing Science of Guizhou Province,Guizhou Normal University,Guiyang,Guizhou 550001,China) |
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| Abstract: | Put forward an effective self-adaptive shadow algorithm.The algorithm first replaces the traditional shadowgraph with a shadowgraph with different depths,then draws the scene in a screen buffer texture and disposes it using PCF and fuzzy processing before drawing the scene in a screen and finally generates the shadow.Experiments clearly shows that the algorithm is simple and practical,it can not only guarantee the speed of large-scale scene drawing while generate satisfying verisimilitude real-time shadow,but also achieve the effectiveness of real-time drawing shadow in a large-scale scene drawing. |
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| Keywords: | shadow mapping shadowgraph PCF real-time shadow drawing |
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