图像光照增强:基于双边滤波和局部均值算法的实现

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图像光照增强是一种常见的图像处理技术,旨在改善图像的亮度和对比度,使其更加清晰和易于观察。在本文中,我们将介绍一种基于双边滤波和局部均值算法的图像光照增强方法,并提供相应的MATLAB代码实现。

双边滤波是一种常用的图像平滑技术,它可以在保持边缘信息的同时去除噪声。通过结合双边滤波和局部均值算法,我们可以实现图像光照增强。

下面是MATLAB代码示例:

function enhanced_image = enhance_image(input_image, sigma_spatial, sigma_range, window_size)
    % 输入参数:
    % input_image: 输入图像
    % sigma_spatial: 空间域标准差
基于双边滤波的图像增强算法 摘    要:双边滤波器在很多领域被应用,在图像研究中经常应用于平滑滤波和保边。但是双边滤波保边性会因为平滑滤波作用而减弱,造成图像模糊不清晰。为了克服这一缺点,提出了基于双边滤波的图像增强算法。该算法是将原图像高低频分量进行分离,在重新分配权重合成一张新图像。新算法解决了边缘保边效果减弱,图像不清晰问题,增强了图像细节和层次感。实验结果表明该算法有较好的图像增强效果。关 键 词:双边滤波,图像增... 阅读详情

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