AUTOMATED BASIN DELINEATION FROM DIGITAL ELEVATION MODELS USING MATHEMATICAL MORPHOLOGY

被引：84

作者：

SOILLE, PJ

ANSOULT, MM

机构：

[1] Unit of Agricultural Engineering, Université Catholique de Louvain

来源：

SIGNAL PROCESSING | 1990年 / 20卷 / 02期

关键词：

DEM; hydrology; image segmentation; mathematical morphology; watershed;

D O I：

10.1016/0165-1684(90)90127-K

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

Basin delineation is a major preliminary of hydrologic modeling and watershed management. An efficient method to delineate topographic basins from digital elevation models is presented. It is based upon mathematical morphology and it consists of two major steps. First, remove all the pits within the model by using an original morphological mapping, and second, delineate topographic basins by using morphological thinnings with specific structuring elements. The results are consistent with real terrain features. In a more general way, the proposed methodology illustrates the segmentation approach provided by the morphological watershed mapping. © 1990.

引用

页码：171 / 182

页数：12

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