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Canny色彩边缘检测及分类新方法

DOI: 10.13190/jbupt.201201.115.082, PP. 115-119

Keywords: 色彩不变性,Canny算法,色彩结构张量,边缘检测

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Abstract:

为了解决传统边缘检测方法可能造成的边缘丢失、边缘定位不准、伪边缘、边缘不连续等问题,提出一种改进的Canny算子,用色彩张量表示光照准不变微分式,计算出新的图像边缘的梯度幅值,从而实现彩色图像边缘的精确提取.实验结果表明,改进的Canny检测器可以检测并分类各种色彩边缘.利用边缘检测品质因数Q改进Canny检测器的性能,并进行定量评价,结果表明,该方法降低了色彩边缘检测的误检率和错检率,有效提高了边缘检测器的性能.

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