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摘要: 近年来，随着光谱成像技术的发展，机载成像光谱仪在海域军事目标的侦察中得到了新的应用。基于此，本文首先从高光谱成像仪的基本原理及特性出发，介绍了高光谱成像仪在海洋军事目标探测方面的应用现状。其次，分别从水面目标探测和水下目标探测两方面综合分析了光谱成像技术在海域目标探测中的应用。对于海面目标探测，多项关键技术获得突破，但当前算法仍然难以解决实时性问题；对于水下目标探测，本文主要以水下潜艇探测为例探讨了利用高光谱成像仪对水下目标进行探测的关键技术及相关可行性方案。分析可知，光谱成像技术用于海洋军事探测从技术上具有可行性且前景广阔，但仍需解决相关算法的效率及精度等关键问题，这对推动光谱成像技术在海域目标探测中的应用具有重要意义。Abstract: In recent years, with the development of spectral imaging technology, airborne imaging spectrometer has been applied in the military target reconnaissance. Firstly, based on the basic principle and characteristics of hyperspectral imager, this paper introduces the application of hyperspectral imager in marine military target detection. Secondly, the application of spectral imaging technology in maritime target detection is analyzed from both the water surface target detection and the underwater target detection. For surface target detection, many key technologies have made breakthroughs, while the current algorithms are still difficult to solve the real-time problems; for underwater target detection, this paper takes the underwater detection as an example to discuss the key technology and feasibility of the underwater target detection based on hyperspectral imager. The analysis shows that the application of spectral imaging technology to military detection is technically feasible and promising. However, the key issues such as the efficiency and accuracy of the algorithm still need to be solved, which is of great significance for the application of spectral imaging in maritime target detection.
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Key words:
- spectral imaging /
- target detection /
- underwater target /
- hyperspectral
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图 2 AVIRIS系统光机结构及ER-2机载平台
Figure 2. Optical-mechanical of AVIRIS and ER-2 airborne platform
图 4 HSI系统及在“捕食者”无人机安装位置
Figure 4. HSI system and the installation site in Predator drone
图 5 HSI地面处理系统及获得的高光谱数据
Figure 5. HSI ground processing system and the obtained hyperspectral data
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