ANALYSIS OF PINE TREE HEIGHT ESTIMATION USING FULL WAVEFORM LIDAR

摘要

Many researchers have attempted to model and analyse three dimensional tree shape using remote sensing techniques. Airborne laser scanning or lidar is especially valuable since it provides a cost-effective, versatile, operationally flexible and robust sampling tool for forest management Airborne laser scanning is able to provide full waveform lidar data that has a potential nse for precision forestry. The aim of this study is to determine the accuracy of tree height measurement from full waveform lidar processing techniques and to compare with alternative height extraction methods. Full waveform lidar was acquired at different densities of more than 2 points/m~2, over a Ptnus radiata plantation test area in New South Wales, Australia. We examine the effect on accuracy of canopy height for varying densities and pine trees of varying ages and growth. The differences between the outputs derived by the full waveform lidar are compared with traditional field survey techniques and ground-based Terrestrial Laser Scanners.