| 一种用于大气温度梯度测量的光斑图像质心算法 |
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| 引用本文： | 洪宇,陆亦怀,曾宗泳,肖峰钢. 一种用于大气温度梯度测量的光斑图像质心算法[J]. 大气与环境光学学报, 2009, 4(3): 206-210. DOI: 10.3969/j.issn.1673-6141.2009.03.007 |
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| 作者姓名： | 洪宇 陆亦怀 曾宗泳 肖峰钢 |
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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与技术重点实验室,安徽,合肥,230031 |
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| 摘 要： | 光斑质心的计算是折射法大气温度梯度测量的关键.提出了一种用于折射法大气温度梯度测量的光斑图像质心算法.该算法使用了自适应阚值选取,适应性强.实验表明,该光斑图像质心算法实时性强、实现简单,适用于大气温度梯度测量.
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| 关 键 词： | 大气温度梯度 图像处理 光斑质心计算 |
| 收稿时间： | 2009-03-30 |
Light Spot Image's Center of Mass Calculation Algorithm for Atmospheric Temperature Gradient Measurement |
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| HONG Yu,LU Yi-huai,ZENG Zong-yong,XIAO Feng-gang. Light Spot Image's Center of Mass Calculation Algorithm for Atmospheric Temperature Gradient Measurement[J]. Journal of Atmospheric and Environmental Optics, 2009, 4(3): 206-210. DOI: 10.3969/j.issn.1673-6141.2009.03.007 |
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| Authors: | HONG Yu LU Yi-huai ZENG Zong-yong XIAO Feng-gang |
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| Abstract: | The determination of the light spot center of mass is a key step in the refraction based measurement of atmospheric temperature gradient. An algorithm for the calculation of the light spot image’s center of mass is introduced. The calculation is used in the refraction based atmospheric temperature gradient measurement. An adaptive auto thresholding method is used in the algorithm which is suitable for various ambient environments. Experiment shows that the algorithm can be implemented easily and run in real-time; it is suitable to be used in the atmospheric temperature gradient measurement. |
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| Keywords: | atmospheric temperature gradient image processing light spot center of mass calculation |
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