基于目标边缘轮廓偏振特征的姿态分析初探
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北京环境特性研究所 光学辐射重点实验室,信阳师范学院物理电子工程学院,北京环境特性研究所 光学辐射重点实验室 北京,北京环境特性研究所 光学辐射重点实验室 北京,北京环境特性研究所 光学辐射重点实验室 北京,北京环境特性研究所 光学辐射重点实验室 北京,北京环境特性研究所 光学辐射重点实验室 北京

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国家重点基础研究发展计划(973计划)


Gesture analysis based on the polarization characteristics for the target edge contour
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Science and Technology on Optical Radiation Laboratory, Beijing,China,Physics and Electronic institute of Xin yang Normal University,Xin yang,Science and Technology on Optical Radiation Laboratory, Beijing,China,Science and Technology on Optical Radiation Laboratory, Beijing,China,Science and Technology on Optical Radiation Laboratory, Beijing,China,Science and Technology on Optical Radiation Laboratory, Beijing,China,Science and Technology on Optical Radiation Laboratory, Beijing,China

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    摘要:

    通过微面元理论的函数模型, 基于红外偏振辐射传输方程,推导分析红外偏振角与目标表面折射率、反射率及探测角度等关系的数学模型, 通过合理简化模型仿真得出偏振角随入射角的单调变化曲线; 开展红外偏振成像试验, 试验数据分析与仿真结果一致, 这表明: 目标边缘轮廓的偏振角特征与探测波长的相关性可以忽略, 在目标与背景辐射相差较小的情况下, 采用光谱辐射亮度对比度的方法无法区分目标, 而通过偏振角对比度可以明显区分-目标边缘特征, 并提出通过基于目标几何特征以及探测位置, 反演解算目标的姿态信息的新方法.

    Abstract:

    The mathematical model of the relationship between infrared polarization angle and other parameters such as surface refractive index, reflectivity, and the detection angle was derived, based on the equation of infrared polarized radiation through micro-facet theory. Reasonable simplification for the model was made in simulation. The curve show that the polarization angle changes with the incident angle monotonously, in agree with the experimental results. It is concluded that the correlation between the polarization angle characteristics of the target edge contour and the detection wavelength can be neglected. It is difficult to distinguish between target and background by spectral radiance contrast when they have small radiation difference. While the target edge features can be obtained from the polarization angle contrast. A new method to calculate target gesture information was proposed based on geometry features of the target and the relative detection position.

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陈伟力,孙秋菊,王淑华,武敬力,陈艳,李军伟,许元男.基于目标边缘轮廓偏振特征的姿态分析初探[J].红外与毫米波学报,2016,35(6):758~765]. CHEN Wei-Li, SUN Qiu-Ju, WANG Shu-Hua, WU Jing-Li, CHEN Yan, LI Jun-Wei, XU Yuan-Nan. Gesture analysis based on the polarization characteristics for the target edge contour[J]. J. Infrared Millim. Waves,2016,35(6):758~765.]

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  • 收稿日期:2015-10-15
  • 最后修改日期:2015-12-22
  • 录用日期:2015-12-23
  • 在线发布日期: 2016-12-06
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