MODELING THE EFFECT OF DATA ERRORS ON FEATURE-EXTRACTION FROM DIGITAL ELEVATION MODELS

被引：0
|
作者：
LEE, J
SNYDER, PK
FISHER, PF
机构：
[1] UNIV GEORGIA,DEPT GEOG,ATHENS,GA 30602
[2] UNIV LEICESTER,DEPT GEOG,LEICESTER LE1 7RH,ENGLAND
来源：
PHOTOGRAMMETRIC ENGINEERING AND REMOTE SENSING | 1992年 / 58卷 / 10期
关键词：
D O I：
暂无
中图分类号：
P9 [自然地理学];
学科分类号：
0705 ; 070501 ;
摘要：
Controlled simulations were used to document the impact that errors in a digital elevation model (DEM) have on the accuracy of the procedures for the extraction of terrain features. A set of procedures was devised for extracting floodplain cells from a DEM, the most common data source for terrain analysis, with a raster geographical information system (GIS). It is observed that the magnitudes and the spatial patterns of errors in a DEM significantly affect the results of the tested terrain analysis. Maps showing the probabilities of DEM cells being classified as the floodplain cells are included.
引用
收藏
页码：1461 / 1467
页数：7
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