2023
DOI: 10.1007/s12145-023-00943-7
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Extraction of terrain ridge lines and valley lines based on agglomeration analysis of terrain points: a cluster analysis method

Abstract: Terrain feature extraction is one of the critical issues in geographic information science. As important terrain feature lines, ridge lines and valley lines, play an important role in hydrological analysis, terrain reconstruction and automatic integration of contour lines. But, the extraction of terrain feature lines is complicated and time-consuming task. In this paper, a terrain feature line extraction method is proposed based on clustering technique. The terrain feature points are automatically extracted ac… Show more

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