Results 1 to 10 of about 3,784 (112)
Ecological Indicators, 2022 Accurate quantification of grassland structural and functional traits is the foundation for grassland management and restoration. Light detection and ranging (lidar), especially the unmanned aerial vehicle (UAV) lidar, has been recognized as an accurate ...
Yanjun Su, Qinghua Guo, Lingli Liu
exaly +3 more sources
European Journal of Remote Sensing, 2023 In this paper, we evaluated the results in terms of accuracy and coverage of the LiDAR-UAV system DJI Zenmuse L1 and Digital Aerial Photogrammetric system (DAP – UAV) DJI Zenmuse P1 in a forested area under leaf-off conditions on three sites with varying
Jaroslav Braun +2 more
exaly +3 more sources
Exploring the Potential of UAV LiDAR Data for Trunk Point Extraction and Direct DBH Measurement
Remote Sensing, 2022 The accurate measurement of diameter at breast height (DBH) is one of the essential tasks for biomass estimation at an individual tree scale. This paper aims to explore the potential of unmanned aerial vehicle (UAV) based light detection and ranging ...
Xiaohuan Xi, Jinliang Wang, Guoqing Zhou
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Evaluation of the Usability of UAV LiDAR for Analysis of Karst (Doline) Terrain Morphology [PDF]
SensorsTraditional terrain analysis has relied on Digital Topographic Maps produced by national agencies and Digital Elevation Models (DEMs) created using Airborne LiDAR.
Juneseok Kim, Ilyoung Hong
doaj +2 more sources
Acquisition of high-resolution topographic information in forest environments using integrated UAV-LiDAR system: System development and field demonstration [PDF]
Heliyon, 2023 High-resolution topographic information of landslide-prone areas plays an important role in accurate prediction and characterization of potential landslides and mitigation of landslides-associated hazards. This study presents an advanced geomorphological
Shin-Kyu Choi +2 more
doaj +2 more sources
Analysis of Doline Microtopography in Karst Mountainous Terrain Using UAV LiDAR: A Case Study of ‘Gulneomjae’ in Mungyeong City, South Korea [PDF]
SensorsThis study utilizes UAV-based LiDAR to analyze doline microtopography within a karst mountainous terrain. The study area, ‘Gulneomjae’ in Mungyeong City, South Korea, features steep slopes, limited accessibility, and abundant vegetation—conditions that ...
Juneseok Kim, Ilyoung Hong
doaj +2 more sources
Sensors, 2019 Geospatial products, such as digital elevation models (DEMs), are important topographic tools for tackling local flood studies. This study investigates the contribution of LiDAR elevation data in DEM generation based on fixed-wing unmanned aerial vehicle
Jairo R Escobar Villanueva +2 more
exaly +3 more sources
Geosciences, 2019 Airborne remote sensing systems are increasingly used in engineering geology and geomorphology for studying and monitoring natural hazardous scenarios and events.
Roberta Pellicani +2 more
exaly +3 more sources
Can iPhone/iPad LiDAR data improve canopy height model derived from UAV? [PDF]
BIO Web of Conferences, 2023 Aerial images resulting from unmanned aerial vehicle (UAV) are widely used to estimate tree height. The filtering method is required to distinguish between ground and off-ground point clouds to generate a canopy height model.
Umarhadi Deha Agus +5 more
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UAV-BASED SORGHUM GROWTH MONITORING: A COMPARATIVE ANALYSIS OF LIDAR AND PHOTOGRAMMETRY [PDF]
ISPRS Annals of the Photogrammetry, Remote Sensing and Spatial Information Sciences, 2020 Canopy height (CH) and leaf area index (LAI) provide key information about crop growth and productivity. A rapid and accurate retrieval of CH and LAI is critical for a variety of agricultural applications.
M. Maimaitijiang +12 more
doaj +1 more source