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Digitale Medien

Automatic delineation of drainage basins within digital elevation data using the topographic primal sketch (1990)

Zhang, M. C. ; Campbell, J. B. ; Haralick, R. M.

Springer

Mathematical geology 22 (1990), S. 189-209

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Details

ISSN: 1573-8868

Schlagwort(e): artificial intelligence ; topographic analysis ; image analysis ; drainage networks

Quelle: Springer Online Journal Archives 1860-2000

Thema: Geologie und Paläontologie , Mathematik

Notizen: Abstract A new technique for automatic delineation of drainage basin perimeters within digital elevation data is described which applies the topographic primal sketch to digital terrain data, and is much more natural and much more efficient than usual methods that rely upon moving a window over the array of data. This method is able to find drainage channels, mark water flow direction, and recover drainage basin areas. Results appear to be comparable to drainage patterns which can be interpreted visually from contours of the elevation data.

Materialart: Digitale Medien

URL: http://dx.doi.org/10.1007/BF00891823

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