IMHE OpenIR  > 山地灾害与地表过程重点实验室
Alternative TitleAltitude difference calculation based on neighborhood statistics with dynamic windows
张建强1; 邹强2; 苏凤环1; 葛永刚1
Corresponding Author张建强
Source Publication测绘科学
Other Abstract



Altitude difference is widely used in the geoscience, such as the division of geomorphic
types, boundary determining of different landforms, as well as hazardous assessment for slope hazards. In this paper, the base altitude was calculated by neighborhood statistics with fixed window. Neighborhood statistics with dynamic windows were applied. The distance from the pixel to the slope foot was taken as the radius of the window. Then the altitude of the slope foot was got by neighborhood statistics with dynamic windows. This dataset was taken as the base altitude for each pixel. At last, the altitude difference was calculated using the DEM data minus base altitude data. Taking Hongkou, Dujiangyan as the study area, the two methods were utilized in the region. The result showed that the proposed method significantly improved the precision, and the arithmetic average deviation decreased from 75.53 to 13.24.

Keyword高差 动态窗口 邻域统计 地理信息系统
Subject AreaP208
Indexed ByCSCD ; 北大中文核心
Citation statistics
Cited Times:1[CSCD]   [CSCD Record]
Document Type期刊论文
First Author Affilication中国科学院水利部成都山地灾害与环境研究所
Recommended Citation
GB/T 7714
张建强,邹强,苏凤环,等. 动态窗口邻域统计的高差计算方法[J]. 测绘科学,2017,42(6):36-40.
APA 张建强,邹强,苏凤环,&葛永刚.(2017).动态窗口邻域统计的高差计算方法.测绘科学,42(6),36-40.
MLA 张建强,et al."动态窗口邻域统计的高差计算方法".测绘科学 42.6(2017):36-40.
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