基于双极化SAR数据的建筑栋数信息提取研究  

Study on Extracting Building Units Number Information Based on Dual Polarization SAR Data

作　　者：苏彩霞[1] 曹永锋[1] 

机构地区：[1]贵州师范大学数学与计算机科学学院,贵州贵阳550001

出　　处：《福建师范大学学报（自然科学版）》2014年第4期26-31,共6页Journal of Fujian Normal University：Natural Science Edition

基　　金：国家自然科学基金资助项目(40901207;41161065);贵州省科学技术厅;贵州师范大学联合科技基金资助项目(黔科合J字LKS[2013]28号)

摘　　要：通过分析建筑物在不同极化数据上后向散射特征的不同,提出一种基于双极化SAR数据的建筑栋数信息检测方法.该方法主要包括建筑初检测、联合HH与VV数据的检测结果修正以及使用面积阈值去除虚警3个主要部分.最后,在双极化TerraSAR—X图像上进行了验证和评价,并与基于单极化SAR数据进行建筑栋数检测得到的结果进行对比,显示了方法的有效性.A new method for detecting spatial building units number information based on dual polarization SAR data is proposed by analyzing the backscatter characteristics of buildings on different polarization data. This method mainly includes preliminary detection of buildings, the amend- ment to the detection result by combining HH SAR and VV_SAR data and area-thresholding in order to eliminating false alarm. Finally the proposed method is verified and evaluated on the TerraSAR X image. The result is compared with the one obtained from the method based on single polarization SAR data. All show the validity of the method.

关 键 词：建筑栋数 数学形态学 双极化 高分辨率SAR图像 

分 类 号：TP751[自动化与计算机技术—检测技术与自动化装置]