| 涂层表面偏振双向反射分布函数的模型研究 |
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| 引用本文： | 冯巍巍,魏庆农,汪世美,吴云智,刘世胜,伍德侠,刘增东,王东方.涂层表面偏振双向反射分布函数的模型研究[J].光学学报,2008,28(2):290-294. |
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| 作者姓名： | 冯巍巍 魏庆农 汪世美 吴云智 刘世胜 伍德侠 刘增东 王东方 |
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| 作者单位： | 中国科学院安徽光学精密机械研究所中国科学院环境光学重点实验室,安徽,合肥,230031;安徽省环境光学重点实验室,安徽,合肥,230031 |
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| 基金项目： | 国家973计划重大安全基础研究项目(61341020201-1)资助课题 |
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| 摘 要： | 为了表征复杂涂层表面的光学散射特性,基于微面元理论的偏振双向反射分布函数模型,利用遗传算法从实验数据中反演出模型的关键参量。采用C 语言对偏振双向反射分布函数模型进行了数值模拟,分析了模型参量对偏振双向反射分布函数的影响。数值模拟结果与实验数据的对比表明,该模型算法有较高的模拟精度,可以为后续的目标特征提取与识别工作提供参考。
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| 关 键 词： | 散射 偏振 双向反射分布函数(BRDF) 遗传算法 数值模拟 |
| 收稿时间： | 2007/6/4 |
Study of Polarized Bidirectional Reflectance Distribution Function Model for Painted Surfaces |
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| Feng Weiwei,Wei Qingnong,Wang Shimei,Wu Yunzhi,Liu Shisheng,Wu Dexia,Liu Zengdong,Wang Dongfang.Study of Polarized Bidirectional Reflectance Distribution Function Model for Painted Surfaces[J].Acta Optica Sinica,2008,28(2):290-294. |
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| Authors: | Feng Weiwei Wei Qingnong Wang Shimei Wu Yunzhi Liu Shisheng Wu Dexia Liu Zengdong Wang Dongfang |
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| Abstract: | In order to represent optical scattering properties of the complex painted surfaces,based on microfacet theory for polarized bidirectional reflectance distribution function(BRDF),genetic algorithm is used to get the key parameters in the model.Numerical simulation is done using C language and the impact of the model parameters is analyzed.The comparison between numerical simulation results and experimental data indicate:this model has the higher precision for simulation,and can be used as a reference for target feature extraction and recognition in the future. |
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| Keywords: | scattering polarization bidirectional reflectance distribution function(BRDF) genetic algorithm numerical simulation |
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