Results 91 to 100 of about 219,149 (197)
In this work, we compared six emerging mobile laser scanning (MLS) technologies for field reference data collection at the individual tree level in boreal forest conditions.
Eric Hyyppä +6 more
doaj +1 more source
Canopy structural modeling using object-oriented image classification and laser scanning [PDF]
A terrestrial laser scanning (TLS) experiment was carried out in the EAGLE 2006 campaign to characterize and model the canopy structure of the Speulderbos forest. Semi-variogram analysis was used to describe spatial variability of the surface.
Dost, R. +3 more
core
Building reconstruction from airborne laser scanning data [PDF]
The research on building model reconstruction has been a long-term hot topic in both the photogrammetry and computer vision areas. The airborne laser scanning technique provides new opportunities for building model reconstruction. Despite many investigations on building reconstruction using point clouds, there are still many unresolved problems that ...
openaire +1 more source
Beyond single receptive field: A receptive field fusion-and-stratification network for airborne laser scanning point cloud classification [PDF]
Yongqiang Mao +6 more
semanticscholar +1 more source
Protection and recovery of natural resource and biodiversity requires accurate monitoring at multiple scales. Airborne Laser Scanning (ALS) provides high-resolution imagery that is valuable for monitoring structural changes to vegetation, providing a ...
K. Stereńczak +6 more
semanticscholar +1 more source
Exploiting Full-Waveform Lidar Data and Multiresolution Wavelet Analysis for Vertical Object Detection and Recognition [PDF]
A current challenge in performing airport obstruction surveys using airborne lidar is lack of reliable, automated methods for extracting and attributing vertical objects from the lidar data.
Parrish, Christopher
core +2 more sources
Sustainable forest management increasingly highlights the maintenance of biological diversity and requires up-to-date information on the occurrence and distribution of key ecological features in forest environments. European aspen (Populus tremula L.) is
A. Viinikka +8 more
semanticscholar +1 more source
Estimating site index from short term TanDEM-X canopy height models [PDF]
The tree height growth from three vegetation seasons was fitted to height growth curves in order to estimate the site index, which is a variable related to forest site productivity.
Fransson, Johan, Persson, Henrik
core +1 more source
Airborne laser scanning raster data visualization
This guide provides an insight into a range of visualization techniques for high-resolution digital elevation models (DEMs). It is provided in the context of investigation and interpretation of various types of historical and modern, cultural and natural small-scale relief features and landscape structures.
Ralf Hesse, Žiga Kokalj
openaire +1 more source
Estimation of forest variables using airborne laser scanning [PDF]
Airborne laser scanning can provide three-dimensional measurements of the forest canopy with high efficiency and precision. There are presently a large number of airborne laser scanning instruments in operation.
Holmgren, Johan
core

