摘要
提出了一种基于邻域熵的自适应调整滤波尺度的多尺度边缘检测方法 ,该方法根据当前像素点所处邻域内像素点的灰度分布的有序性 ,定义了邻域内灰度分布的邻域熵 ,以判定该邻域内是否存在边缘。同时分析了后选边缘的宽度 ,以定量调整边缘检测中的滤波尺度参数。实验结果和抗噪性能分析表明 ,这种方法可以得到令人满意的结果 ,特别是对图像中弱边缘的检测效果比较理想。
In this paper, a method for choosing filtering scales adaptively for each site in the image plane in multiscale edge detection is presented. The gray level change in the neighborhood to decide edge region and plain region is analyzed. The edge width is also analyzed in edge region to adjust the scale of cubic B spine wavelet. Finally, the experiment results and comparison are given,and the method is proved to be effective and feasible.
出处
《系统工程与电子技术》
EI
CSCD
北大核心
2001年第1期45-47,共3页
Systems Engineering and Electronics
