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Improved Canny Edge Detection Algorithm Based on Minimum Cross Entropy
Author(s): 
Pages: 165-168
Year: Issue:  1
Journal: Video Engineering

Keyword:  边缘检测Canny算子最小交叉熵;
Abstract: 考虑传统Canny算子在边缘检测中的不足,提出一种融入最小交叉熵的Canny边缘检测算法.传统Canny算子的高低阈值一般人为地设定固定值,当一幅图像的灰度级集中在某一区域时,容易造成虚假边缘;利用最小交叉熵计算图像的高低阚值,可以得到理想的阈值;利用图像灰度的均值和方差计算Canny算子的高斯滤波参数.实验结果表明,算法较好地提取了图像的边缘信息,抑制噪声能力较强,有效地提高了边缘检测的鲁棒性.
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