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Terrestrial LiDAR systems have received lots of attention on three-dimensional (3D) structure reconstruction for trees, especially on the branches skeleton generation. On this basis, a method is proposed to add leaves structures based on point density by dividing small cube in the canopy to reduce the influence of uneven distribution of point cloud, combining gap fraction model to retrieve leaf area...
Continuous LAI values are very important in crop growth monitoring, however, all of the remotely sensed LAI products are limited by the temporal and spatial resolution. High spatial resolution is good for crop monitoring but with very poor temporal sampling. The popular MODIS 8 day LAI product is still not sufficient for crop monitoring. An empirical crop growth model was developed based on two years'...
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