Detecting landscape forms using Fourier transformation and singular value decomposition (SVD)

被引：8
|
作者：
Wieland, Ralf [1 ]
Dalchow, Claus [1 ]
机构：
[1] Leibniz Ctr Agr Landscape Res, D-15374 Muncheberg, Germany
来源：
COMPUTERS & GEOSCIENCES | 2009年 / 35卷 / 07期
关键词：
Landscape structure; Relief analysis; Fourier transformation; Singular value decomposition; Moving window technology; AERIAL PHOTOGRAPHS; FLOW;
D O I：
10.1016/j.cageo.2008.10.002
中图分类号：
TP39 [计算机的应用];
学科分类号：
081203 ; 0835 ;
摘要：
Landscape structure is a main determinant of ecological landscape potentials. The basic differentiation of relief into depressions and elevations at deliberately chosen scales can be managed comfortably by the Fourier transformation. The automated extraction of these structures from an elevation map using Fourier transformation or singular value decomposition can help to overcome complicated and errorprone procedures based on the determination of numerical structure parameters such as slope and aspect. The combination of automated extraction methods and moving window technology can lead to further, more integrated insights related to complex landscape patterns. (C) 2009 Elsevier Ltd. All rights reserved.
引用
收藏
页码：1409 / 1414
页数：6
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