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电子学报  2013 

基于视觉感知模型修正的彩色图像边缘检测

DOI: 10.3969/j.issn.0372-2112.2013.10.005, PP. 1903-1910

Keywords: 边缘检测,彩色图像处理,色调分量,梯度算子

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Abstract:

在彩色图像边缘检测过程中,准确检测低照度区域的细节边缘是一个难题.提出了一种基于视觉感知模型修正的彩色图像边缘检测方法.由于视觉感知彩色空间中的色调分量具有圆形特性,导致伪边缘问题,利用色调距离计算色调图像的梯度以去除伪边缘,并根据饱和度的非线性函数控制色调分量的梯度,最后利用修正的视觉感知模型计算矢量梯度以获取彩色图像的边缘.实验结果表明,新的彩色边缘检测方法较现有方法能提高彩色图像的边缘检测精度,尤其对于低照度区域的细节边缘具有较好的响应.

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