Estimating fractal dimensions of tree crowns in 3-D space based on structural relationships

被引:6
作者
Zhu, Jiangang [1 ]
Wang, Xiaoping [1 ]
Chen, Junqi [1 ,2 ]
Huang, Haofeng [3 ]
Yang, Xiaohui [4 ]
机构
[1] Beijing Forestry & Pk Dept Int Cooperat, Beijing, Peoples R China
[2] Beijing Forestry Univ, Beijing, Peoples R China
[3] Beijing Golden Five Rings Landscape Engn Co Ltd, Beijing, Peoples R China
[4] Chinese Acad Forestry, Inst Desertificat Studies, Beijing, Peoples R China
关键词
fractal geometry; branching; foliage distribution; structural relationships; GEOMETRY; PLANTS;
D O I
10.5558/tfc2014-035
中图分类号
S7 [林业];
学科分类号
0829 ; 0907 ;
摘要
Complex branching and irregular foliage distribution render the quantitative description of tree crowns a scientific and technological challenge. This study explores the use of fractal geometry to describe crowns. Based on the derivation of a classical model-the Sierpinski tetrahedron-a new method we call comprehensive structural relationships (CSR) is described for estimating fractal dimensions in 3-D space. All possible structural relationships were examined under the scale transformation and space expansion modes, resulting in 15 structural relationships. The method was applied to a deciduous species to describe structural characteristics of branching and foliage distribution. Results demonstrate that it is practical to estimate fractal dimensions of tree crowns in the field.
引用
收藏
页码:177 / 183
页数:7
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