In this paper, an edge detection algorithm in SAR images based on the wavelet function and GVF snake model is presented.Firstly, target segmentation of SAR images have been achieved by pretreatment.

• 摘要给出一种基于小波变换及GVF模型的SAR图像轮廓提取算法，首先，对SAR图像进行预处理，分割出可能的目标片；