| 简易分时型长波红外偏振成像系统研究 |
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| 引用本文： | 陆高翔,杨志勇,宋俊辰.简易分时型长波红外偏振成像系统研究[J].红外技术,2021,43(8):723-729. |
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| 作者姓名： | 陆高翔 杨志勇 宋俊辰 |
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| 作者单位： | 火箭军工程大学 兵器发射理论与技术国家重点学科实验室,陕西 西安 710025 |
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| 摘 要： | 为了开展红外偏振成像技术研究工作，本文设计搭建了一个长波红外偏振成像系统，实现了目标分时成像。提出了一种改进的基于单像元非均匀性差分图像校正方法去除冷反射，基于Sobel边缘检测方法对图像进行配准，并对目标场景的偏振特性进行了分析。结果表明，设计搭建的系统能够获取目标场景的红外偏振信息，预处理后的图像能够满足实验需要，经过Stokes矢量方法得到的目标场景偏振图像边缘轮廓与细节信息更加丰富。为了进一步衡量实验系统的性能，对强度图像和偏振度图像进行了融合，融合后的图像与红外强度图像相比，图像评估质量得到明显提升，验证了实验系统的可行性。该技术在未来的复杂环境下提高目标探测效率具有应用价值。
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| 关 键 词： | 红外 偏振成像 图像增强 |
| 收稿时间： | 2020-10-29 |
Simple Time-sharing Long Wave Infrared Polarization Imaging System |
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| Affiliation: | State Key Laboratory of Ordnance Launch Theory and Technology, Rocket Force University of Engineering, Xi 'an 710025, China |
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| Abstract: | To conduct research on infrared polarization imaging technology, this paper designs and builds a long-wave infrared polarization imaging system to achieve target time-sharing imaging. An improved differential image correction method based on single-pixel inhomogeneity was proposed to remove cold reflections; the image was registered using the Sobel edge detection method, and the polarization characteristics of the target scene were analyzed. The results demonstrate that the proposed system can obtain the infrared polarization information of the target scene, and the pre-processed image meets the requirements of the experiment. The edge contour and detailed information obtained by the Stokes vector method for the polarization image of the target scene are more abundant. To further measure the performance of the experimental system, the intensity and polarization degree images were fused. Compared with the infrared intensity image, the fused image has a significantly improved image evaluation quality, which verifies the feasibility of the experimental system. This technology can potentially improve target detection efficiency in complex environments in the future. |
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