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雾霾天气彩色图像的局域非线性变换增强算法

Keywords: 彩色图像增强,Retinex理论,图像处理,实时处理系统

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Abstract:

基于数字图像处理的实时图像增强处理技术可有效地降低受到雾、霾等大气环境的影响,严重限制了电视成像系统的性能和使用环境这种不利影响,本文分析了雾、霾等大气环境对彩色电视成像系统产生影响的原因,研究了基于Retinex理论的图像增强方法和子块部分重叠局域亮度灰度非线性变换算法,并对这几种算法的处理效果及算法复杂程度进行了对比.结果表明,子块部分重叠局域亮度灰度非线性变换算法是一种处理效果和处理速度比较平衡的算法.

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