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红外技术  2014 

用于增强可视性的高动态范围红外图像融合

DOI: 10.11846/j.issn.1001_8891.201405005, PP. 365-371

Keywords: 高动态范围,数字全变分滤波器,可视性,图像融合

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Abstract:

针对高动态范围(14bit)红外图像融合后并不能直接用于显示的问题,设计了一种用于增强红外图像可视性的融合框架。利用数字全变分滤波器对图像分层处理,然后对每一层进行动态范围压缩,自适应的合成低动态范围图像(8bit),再通过传统融合算法进行融合,得到可视性增强的低动态范围融合图像。实验结果表明,相较于目前已有的方法,该框架融合得到的信息量大,在增强对比度的同时能有效抑制噪声,明显改善融合图像的视觉效果。

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