摘要
边缘检测在图像处理中有着重要的作用。依据canny算子的核心思想,运用小波分析技术,提出了一种基于小波变换的模极大值边缘检测算法。仿真结果表明:该算法能提取图像较弱的边缘,有较好的去噪效果,且边缘有较强的连续性,优于传统的边缘检测算子。
Edge detection plays an important role in the image processing. Based on the Canny operator, using the technology of wavelet analysis, an algorithm of edge detection based on the maxima of wavelet transform modulus has been presented in this paper. The result of simulation shows that the algorithm can detect weak edges which possess a better denoising effect and strong continuity, superior to the traditional edge detection operators.
出处
《农业网络信息》
2008年第7期27-28,45,共3页
Agriculture Network Information
关键词
边缘检测
模极大值
小波变换
阈值
Edge detection
Modulus maxima
Wavelet transform
Threshold