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电子学报  2015 

基于景深约束的单幅雾天图像去雾算法

DOI: 10.3969/j.issn.0372-2112.2015.03.013, PP. 500-504

Keywords: 图像去雾,退化模型,景深,变分模型

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Abstract:

本文提出一种基于景深约束的单幅雾天图像去雾算法,该算法首先对退化模型进行变换以满足Kimmel变分框架的要求;其次,考虑到人眼视网膜锥细胞对绿光的敏感性,将绿光分量作为大气传输图变分求解模型的输入;最后,利用景深图像特性,在8邻域快速求解中对能量函数进行约束,从而有效提升去雾图像的视觉效果.实验结果表明本文算法在获得最佳去雾效果的同时,具有较好的实用性和较少的计算资源消耗.

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