用无控制DEM匹配与差异探测监测泥石流灾害的方法研究  

Monitoring Debris flow Hazard Based on DEM Matching and Deformation Detecting without Control Points

作　　者：冯义从[1] 岑敏仪[2] 张同刚[2] 

机构地区：[1]四川省国土资源厅信息中心,四川成都610072 [2]西南交通大学土木工程学院地理信心中心,四川成都610031

出　　处：《水土保持通报》2007年第1期74-77,共4页Bulletin of Soil and Water Conservation

基　　金：国家自然科学基金资助项目(40271092)

摘　　要：针对泥石流易暴发区地表变化监测时控制点难以布设的困难,基于最小二乘与稳健估计原理,应用无控制DEM匹配与差异探测方法,对川西南普歪沟流域30 a间由于泥石流暴发造成的地表水土流失情况进行了变化监测。通过对差异探测结果进行分析验证,证明该方法对泥石流灾害地区的地表形变监测具有实际应用价值。In the area inundated by debris flow, constructing ground control points for terrain change detection is very difficult. The DEM matching and deformation detection technique without control points were adopted to monitor the soil and water loss caused by debris-flow in Puwaigou, southwest of Sichuan Province during the past 30 years. The experimental results validate that the proposed method is practical for monitoring the terrain changes in the debris-flow area.

关 键 词：泥石流 DEM 匹配 稳健估计 

分 类 号：TP751.1[自动化与计算机技术—检测技术与自动化装置] P208[自动化与计算机技术—控制科学与工程]