To solve these problems, the paper presents two classes of ways: One based on image restoration technique and the other based on image enhancement technique.

为了解决这些问题，论文分为两大类方法对图像进行处理，一类是基于模型的图像复原技术，一类是非建模的图像增强技术。

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At the aspect of image enhancement technique, this paper proposed the adaptive gray-scale extension and enhanced the higher temperature region, which is important to this system.

在图像增强处理技术方面，提出了自适应灰度拉伸法，实现了对本系统感兴趣的温度偏高区域的增强。

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A novel image enhancement technique suitable for low light level image, dualistic sub image enhancement based on two dimensional histogram analysis and histogram equalization, is presented.

提出了基于二维直方图分析的二元子图微光图像增强处理算法。

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