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Method and apparatus for for analyzing tree canopies with LiDAR data
Method and apparatus for for analyzing tree canopies with LiDAR data
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机译:利用LiDAR数据分析树冠的方法和装置
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摘要
A system and method for analyzing a canopy of a forest by analyzing the spatial uniformity of LiDAR data point heights in a number of areas surrounding a tree top, where the areas are smaller than the expected size of the crown of the tree. In one embodiment, the spatial uniformity is quantified as a canopy closure vector based on an analysis of the LiDAR data point heights in a frequency domain. In one particular embodiment, the standard deviation of the frequency components in the cells of a number of rings centered around the average value in an FFT output matrix is used to quantify the spatial uniformity.
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