Results 21 to 30 of about 52,927 (253)

A New Data Processing Method for High-Precision Mining Subsidence Measurement Using Airborne LiDAR

open access: yesFrontiers in Earth Science, 2022
Coal resources are the principal energy in China, and the surface subsidence caused by coal mining has a serious impact on the safe production and life of human beings.
Yue Dong   +3 more
doaj   +1 more source

Is There Deep-Seated Subsidence in the Houston-Galveston Area?

open access: yesInternational Journal of Geophysics, 2014
Long-term continuous groundwater level and land subsidence monitoring in the Houston-Galveston area indicates that, during the past two decades (1993–2012), the groundwater head has been increasing and the overall land subsidence rate has been decreasing.
Jiangbo Yu   +3 more
doaj   +1 more source

AN IMPROVED AUTOMATIC POINTWISE SEMANTIC SEGMENTATION OF A 3D URBAN SCENE FROM MOBILE TERRESTRIAL AND AIRBORNE LIDAR POINT CLOUDS: A MACHINE LEARNING APPROACH [PDF]

open access: yesISPRS Annals of the Photogrammetry, Remote Sensing and Spatial Information Sciences, 2019
Automatic semantic segmentation of point clouds observed in a 3D complex urban scene is a challenging issue. Semantic segmentation of urban scenes based on machine learning algorithm requires appropriate features to distinguish objects from mobile ...
X.-F. Xing   +3 more
doaj   +1 more source

Ocean Optical Profiling in South China Sea Using Airborne LiDAR

open access: yesRemote Sensing, 2019
Increasingly, LiDAR has more and more applications. However, so far, there are no relevant publications on using airborne LiDAR for ocean optical profiling in the South China Sea (SCS). The applicability of airborne LiDAR for optical profiling in the SCS
Peng Chen, Delu Pan
doaj   +1 more source

Airborne forward pointing UV Rayleigh lidar for remote clear air turbulence (CAT) detection: system design and performance [PDF]

open access: yes, 2016
A high-performance airborne UV Rayleigh lidar system was developed within the European project DELICAT. With its forward-pointing architecture it aims at demonstrating a novel detection scheme for clear air turbulence (CAT) for an aeronautics safety ...
Barny, Hervé   +5 more
core   +2 more sources

ABLE: Development of an Airborne Lidar

open access: yesJournal of Atmospheric and Oceanic Technology, 1999
Abstract The acronym ABLE (Airborne Lidar Experiment) identifies a project to develop and fly an optical radar on a stratospheric platform for studies related to atmospheric radiation and composition. The prototype, ABLE 1, has been successfully flown on board the M55 Geophysica aircraft in the Arctic campaign of December 1996–January 1997 to observe ...
FIOCCO, Giorgio   +5 more
openaire   +2 more sources

ACCURACY ASSESSMENT OF LIDAR-DERIVED DIGITAL TERRAIN MODEL (DTM) WITH DIFFERENT SLOPE AND CANOPY COVER IN TROPICAL FOREST REGION [PDF]

open access: yesISPRS Annals of the Photogrammetry, Remote Sensing and Spatial Information Sciences, 2015
Airborne Light Detection and Ranging (LiDAR) technology has been widely used recent years especially in generating high accuracy of Digital Terrain Model (DTM). High density and good quality of airborne LiDAR data promises a high quality of DTM.
M. R. M. Salleh   +2 more
doaj   +1 more source

Analysis and development thinking on the application of airborne blue-green lidar in MCM operation [PDF]

open access: yesZhihui kongzhi yu fangzhen
Due to its excellent concealment and difficulty in deployment and removal, mines have become a recognized challenge for the world navy in MCM operation. Airborne blue-green Lidar technology is one of the new technologies in ocean exploration.
CHEN Huijie, TIAN Kun, CHEN Hao, WANG Sunman
doaj   +1 more source

Characterizing a New England Saltmarsh with NASA G-LiHT Airborne Lidar

open access: yesRemote Sensing, 2019
Airborne lidar can observe saltmarshes on a regional scale, targeting phenological and tidal states to provide the information to more effectively utilize frequent multispectral satellite observations to monitor change.
Ian Paynter   +5 more
doaj   +1 more source

AIRBORNE TO UAS LIDAR: AN ANALYSIS OF UAS LIDAR GROUND CONTROL TARGETS [PDF]

open access: yesThe International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences, 2019
Creating accurate models of the Earth’s surface is an essential step when analysing geomorphological changes through time. Alongside photogrammetry, airborne lidar is an established method for measuring and modelling the Earth’s surface.
L. Davidson   +5 more
doaj   +1 more source

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