摘要
Canny算子法是边缘检测的重要方法之一。本文从SAR图像乘性噪声的特点出发,通过增加前处理和更改核函数对Canny算子进行了改进,扩展了Canny算子在SAR图像边缘检测中的应用。仿真结果表明该算法提取的边缘丰富,同时又抑制了噪声。
Canny operator is a classic approach for edge detection, but it does not work well in SAR, for the reason that multiplicative noise is presence, analyzes the features of SAR image, and improves the Canny operator by preprocessing and changing the kernel function to spline wavelet, so the improved edge detection approach can be extended to SAR image. The simulated result shows edge is finely detected in SAR image, as well as its noise is suppressed.
出处
《咸阳师范学院学报》
2006年第2期40-42,共3页
Journal of Xianyang Normal University
基金
国家自然科学基金资助项目(60472084)
陕西省教育厅科研专项基金资助项目(05JK312)
咸阳师范学院专项科研基金重点资助项目(04XSYK101)
