| 三镜头偏振CCD相机响应的非一致性校正 |
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| 引用本文： | 李娟,易维宁.三镜头偏振CCD相机响应的非一致性校正[J].红外,2011,32(4):15-17. |
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| 作者姓名： | 李娟 易维宁 |
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| 作者单位： | 1. 湖州师范学院,浙江,湖州,313000
2. 中国科学院安徽光学精密机械研究所中国科学院通用光学定标与表征技术重点实验室,安徽,合肥,230031 |
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| 摘 要： | 简要介绍了三镜头偏振CCD相机.在分析三镜头偏振CCD相机探测元响应的不均匀性和三个偏振方向响应的非一致性的基础上,介绍了一种基于辐射定标的校正方法.通过偏振测量实验,分别计算得到偏振光的真实偏振度、偏振成像原始图像和经非一致性校正后的图像的偏振度.结果表明,非一致性校正可提高成像偏振信息的解析精度.
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| 关 键 词： | 三镜头 偏振 CCD相机 非一致性校正 |
| 收稿时间： | 2011/1/13 0:00:00 |
| 修稿时间： | 3/9/2011 10:45:28 AM |
Nonuniformity Correction of a Three-lens\ Polarizing CCD Camera |
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| Li Juan and Yi Wei-ning.Nonuniformity Correction of a Three-lens\ Polarizing CCD Camera[J].Infrared,2011,32(4):15-17. |
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| Authors: | Li Juan and Yi Wei-ning |
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| Affiliation: | Huzhou Teachers College,Key Laboratory of Optical Calibration Characterization,Anhui Institute of Optics and Fine Mechanics,Chinese Academy of Sciences |
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| Abstract: | A three-lens polarizing CCD camera is presented in brief. After the response nonuniformity of
the detector used in the three-lens polarizing CCD camera and its response nonuniformity in three polarization directions
are analyzed, a correction method based on radiation calibration is proposed. The real polarization of the polarized light,
the polarization of the original polarized image and the polarization of the image corrected by using the nonuniformity
correction method are calculated respectively in the polarization measurement experiment. The result shows that this
nonuniformity correction method can improve the analytic precision of the polarization information in an image. |
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| Keywords: | three-lens polarizing CCD camera nonuniformity correction |
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