高分辨率SAR图像道路提取综述

在遥感领域,SAR(Synthetic Aperture Radar,SAR)图像道路提取具有很高的研究意义和应用价值,特别是随着SAR成像技术的不断发展、SAR图像分辨率的逐步提高,该课题的研究更加备受关注。然而,从目前的情况看,高分辨率SAR图像的道路提取研究还不够完善,许多低分辨率SAR图像的道路提取方法在处理高分辨图像时并不适用,因此文中归纳总结了高分辨率SAR图像道路提取的一般流程,列举了一些具体的方法,同时有针对性地分析其优缺点和适用范围,指出该研究课题目前存在的主要问题,并展望其发展趋势。

Review of Road Extraction for High-resolution SAR Images

In the field of remote sensing,road extraction for Synthetic Aperture Radar(SAR)images has high research significance and application values.Especially with the continuous development of SAR imaging technology and the gradual improvement of SAR image resolution,the researches on this subject attract much attention.However,from the current situation,the researches on road extraction for high-resolution SAR images are not systematic enough.Many road extraction methods for low-resolution SAR images are not suitable for high-resolution.Therefore,the general flow of road extraction for high-resolution SAR images was summarized,some specific methods were enumerated.At the same time,the advantages and disadvantages and application scopes were analyzed in a targeted manner,the main problems existing in the research topic were pointed out,and the development trends were forecasted.