Results 31 to 40 of about 52,927 (253)

Classification of Mangrove Vegetation Structure using Airborne LiDAR in Ratai Bay, Lampung Province, Indonesia

Geoplanning: Journal of Geomatics and Planning, 2023
Mapping and inventory of the distribution and composition of mangrove vegetation structures are crucial in managing mangrove ecosystems. The availability of airborne LiDAR remote sensing technology provides capability of mapping vegetation structures in ...
Muhammad Sufwandika Wijaya, Muhammad Kamal, Prima Widayani, Sanjiwana Arjasakusuma   +3 more
doaj   +1 more source

Exploiting Full-Waveform Lidar Data and Multiresolution Wavelet Analysis for Vertical Object Detection and Recognition [PDF]

, 2007
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

Evaluating Multispectral Imagery and Lidar Data for Vegetation Classification: A Comparative Assessment of UASs and Traditional Field Methods to Support Coastal Restoration Monitoring

Remote Sensing
There is growing interest in uncrewed aircraft system (UAS) technology to supplement coastal restoration monitoring, yet it’s unclear how UAS data products compare to traditional field monitoring data that are fundamental to restoration programs. In this
Molly K. Reif, Aaron N. Schad, Joseph H. Harwood, Christopher L. Macon, Lynde L. Dodd   +4 more
doaj   +1 more source

Measuring Surface Deformation of Asphalt Pavement via Airborne LiDAR: A Pilot Study

Drones, 2023
Measuring the surface deformation of asphalt pavement and acquiring the rutting condition is of great importance to transportation agencies. This paper proposes a rutting measuring method based on an unmanned aerial vehicle (UAV) mounted with Light ...
Junqing Zhu, Yingda Gao, Siqi Huang, Tianxiang Bu, Shun Jiang   +4 more
doaj   +1 more source

Simulating an Airborne Lidar Bathymetry (ALB) System [PDF]

, 2010
This study’s focus is on the horizontal and vertical uncertainties associated with ALB measurements due to scattering through the water column.
Calder, Brian R., Kumar, Amaresh M, Pe\u27eri, Shachak   +2 more
core   +3 more sources

A Comparison of Standard Modeling Techniques Using Digital Aerial Imagery with National Elevation Datasets and Airborne LiDAR to Predict Size and Density Forest Metrics in the Sapphire Mountains MT, USA

ISPRS International Journal of Geo-Information, 2019
In recent years airborne Light Detection and Ranging (LiDAR) technology has received a great deal of attention. Using airborne LiDAR, analysts have successfully related height measurements to forest characteristics such as tree size, basal area, and ...
Robert Ahl, John Hogland, Steve Brown
doaj   +1 more source

Comparison of Field and Virtual Vegetation Surveys Conducted Using Uncrewed Aircraft System (UAS) Imagery at Two Coastal Marsh Restoration Projects

Remote Sensing
Traditional field vegetation plot surveys are critical for monitoring ecosystem restoration performance and include visual observations to quantitatively measure plants (e.g., species composition and abundance).
Aaron N. Schad, Molly K. Reif, Joseph H. Harwood, Christopher L. Macon, Lynde L. Dodd, Katie L. Vasquez, Kevin D. Philley, Glenn E. Dobson, Katie M. Steinmetz   +8 more
doaj   +1 more source

Scan Line Intensity-Elevation Ratio (SLIER): An Airborne LiDAR Ratio Index for Automatic Water Surface Mapping

Remote Sensing, 2019
Owing to the characteristics of how a laser interacts with the water surface and water column, the measured Light Detection and Ranging (LiDAR) intensity values are different with respect to the laser wavelength, the scanning geometry and the reflection ...
Wai Yeung Yan, Ahmed Shaker, Paul E. LaRocque   +2 more
doaj   +1 more source

Airborne Raman Lidar and its Applications for Atmospheric Process Studies

EPJ Web of Conferences, 2016
Although ground-base Raman lidars are widely used for atmospheric observations, the capabilities of airborne Raman lidar is not fully explored. Here we presented two recently developed airborne Raman lidar systems for the studies of atmospheric boundary ...
Wang Zhien, Wechsler Perry J., Mahon Nick, Wu Decheng, Liu Bo, Burkhart Matthew, Glover Brent, Kuestner William, Welch Wayne, Thomson Andrew   +9 more
doaj   +1 more source

Airborne lidar observations supporting the ADM-Aeolus mission for global wind profiling [PDF]

, 2012
The Atmospheric Dynamics Mission ADM-Aeolus of ESA will be the first lidar mission to sense the global wind field from space. The instrument is based on a direct-detection Doppler lidar operating at 354.9 nm with two spectrometers for aerosol/cloud ...
Lemmerz, Christian, Marksteiner, Uwe, Rahm, Stephan, Reitebuch, Oliver, Witschas, Benjamin   +4 more
core