Study on Extraction and Analysis of Tree Measure Factors Based on Point Cloud Data

Abstract

Abstract: In this paper,three-dimensional laser scanner has been used to scan trees to get point cloud data of trees.After format conversion,separation and extraction,the measurement and analysis are conducted to measure such factors as DBH,tree height,crown and timber volume.These factors can be calculated by point cloud data.Through experimental analysis,it can be drawn that with the improve of measurement techniques,the leaf area index of canopy is better to reflect the physiological significance of the crown;stem volume calculated by irregular polyhedron triangulation is more accurate and convenient than that by the average basal area and the central stem basal area in calculating volume.

Key words: point cloud data, trees measure factors, canopy, volume

CLC Number:

S758

GAO Shaowei, FENG Zhongke, WU Lulu. Study on Extraction and Analysis of Tree Measure Factors Based on Point Cloud Data[J]. FOREST RESOURCES WANAGEMENT, 2012, 0(6): 101-104.

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Study on Extraction and Analysis of Tree Measure Factors Based on Point Cloud Data

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