13.4. Vegetation canopy height and vertical structure from airborne stereoscopic images
Lidar and InSAR have been widely evaluated in extraction of vegetation canopy height. In addition to these two data types, another one can be used for the measurement of forest height are the stereoscopic images. Studies on stereoscopic images are much earlier than lidar and InSAR. However, the application of stereoscopic data is only limited within the domain of survey and mapping, due to the complicated data processing techniques.
As shown in Fig. 13.11, the two point cloud data are come from CCD camera of Hasselblad-50 and lidar sensor of LMS-Q680i (Pang et al., 2016). Both point cloud data give good characteristics and similar features of canopy surface ...
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