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Mineralogical Mapping with Accurately Corrected Shortwave Infrared Hyperspectral Data Acquired Obliquely from UAVs

Samuel T. Thiele, Zakaria Bnoulkacem, Sandra Lorenz, Aurélien Bordenave, Niccolò Menegoni, Yuleika Madriz, Emmanuel Dujoncquoy, Richard Gloaguen, Jeroen Kenter
2021 Remote Sensing  
In this contribution we propose a novel correction methodology, and associated toolbox, dedicated to the accurate production of hyperspectral data acquired by UAVs, without any restriction concerning view  ...  These corrections are especially important for detecting the typically small spectral features produced by minerals, and for infrared data acquired using pushbroom sensors.  ...  This data cube must then be geometrically corrected to a spatially accurate hyperspectral swath (c) that can be analysed or interpreted to map, e.g., mineralogy. Figure 1.  ... 
doi:10.3390/rs14010005 fatcat:fhzxfn24onemdemw6nv2pdryoa

Integration of Terrestrial and Drone-Borne Hyperspectral and Photogrammetric Sensing Methods for Exploration Mapping and Mining Monitoring

Moritz Kirsch, Sandra Lorenz, Robert Zimmermann, Laura Tusa, Robert Möckel, Philip Hödl, René Booysen, Mahdi Khodadadzadeh, Richard Gloaguen
2018 Remote Sensing  
We describe an integrated workflow to produce a geometrically and spectrally accurate combination of a Structure-from-Motion Multi-View Stereo point cloud and hyperspectral data cubes in the visible to  ...  near-infrared (VNIR) and short-wave infrared (SWIR), as well as long-wave infrared (LWIR) ranges acquired by terrestrial and drone-borne imaging sensors.  ...  Abbreviations: VNIR-visible to near-infrared; SWIR-shortwave infrared; LWIR-longwave infrared.  ... 
doi:10.3390/rs10091366 fatcat:477dzvii4rc63hfmm6ifxcb26y

Detection of REEs with lightweight UAV-based hyperspectral imaging

René Booysen, Robert Jackisch, Sandra Lorenz, Robert Zimmermann, Moritz Kirsch, Paul A. M. Nex, Richard Gloaguen
2020 Scientific Reports  
We showcase for the first time the direct mapping of REEs with lightweight hyperspectral UAV platforms.  ...  We employ drones with hyperspectral sensors to detect REEs at the earth's surface and thus contribute to a rapidly evolving field at the cutting edge of exploration technologies.  ...  Acknowledgements We would like to thank the mine geologist, Aleksi Salo, from the Yara Suomi Oy mine, for the field guidance and assistance during data acquisition in Siilinjärvi.  ... 
doi:10.1038/s41598-020-74422-0 pmid:33060759 fatcat:h4rtp7bxsngblec6vwfecbjmne

Linking Remote Sensing and Geodiversity and Their Traits Relevant to Biodiversity—Part I: Soil Characteristics

Angela Lausch, Jussi Baade, Lutz Bannehr, Erik Borg, Jan Bumberger, Sabine Chabrilliat, Peter Dietrich, Heike Gerighausen, Cornelia Glässer, Jorg M. Hacker, Dagmar Haase, Thomas Jagdhuber (+30 others)
2019 Remote Sensing  
This paper gives an overview of the state-of-the-art approaches for monitoring soil characteristics and soil moisture with unmanned aerial vehicles (UAV) and air- and spaceborne remote sensing techniques  ...  Furthermore, the paper discusses current and future satellite-borne sensors and missions as well as existing data products.  ...  Key characteristic surface mineralogical properties, which can be derived from optical RS data in the visible (VIS, λ = 0.4-0.7 µm), near infrared (NIR, λ = 0.7-1.0 µm), and short-wave thermal infrared  ... 
doi:10.3390/rs11202356 fatcat:eds6dxqbxractag5ktor7ssa7a

2019 Index IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing Vol. 12

2019 IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing  
., +, JSTARS Jan. 2019 382-388 Data integration A Machine Learning Framework for Drill-Core Mineral Mapping Using Hyperspectral and High-Resolution Mineralogical Data Fusion.  ...  ., JSTARS April 2019 1085-1090 Retrieving Atmospheric and Land Surface Parameters From At-Sensor Thermal Infrared Hyperspectral Data With Artificial Neural Network.  ... 
doi:10.1109/jstars.2020.2973794 fatcat:sncrozq3fjg4bgjf4lnkslbz3u

Knowledge Extracted from Copernicus Satellite Data

Dumitru Octavian, Schwarz Gottfried, Eltoft Torbjørn, Kræmer Thomas, Wagner Penelope, Hughes Nick, Arthus David, Fleming Andrew, Koubarakis Manolis, Datcu Mihai
2019 Zenodo  
For doing this, we propose to select overlapping target areas from Synthetic Aperture Radar and multispectral images acquired with rapid succession.  ...  ExtremeEarth is a European H2020 project; it aims at developing analytics techniques and technologies that combine Copernicus satellite data with information and knowledge extraction, and exploiting them  ...  The use of multi-or hyperspectral remote sensing data into soil monitoring and digital mapping can provide a large-scale survey, comprehensive and effective sites' monitoring and assess topsoil variables  ... 
doi:10.5281/zenodo.3941573 fatcat:zzifwgljifck5bpjnboetsftfu

GAC-MAC 2021 London Joint Annual Meeting: Abstracts, Volume 44

Andrew Kerr
2021 Geoscience Canada  
Centered over a volcanogenic massive sulphide ore deposit in west-central Newfoundland, the abandoned Gullbridge mine produced 94,000 tonnes of copper concentrate from 2.8 million tonnes of ore from 1967  ...  The tailings facility employs an earth-filled dam separating a valley impoundment reservoir, containing 1.8 million m 3 of subaqueously deposited copper tailings, from an adjacent wetland.  ...  Remote predictive maps are usually derived from supervised classifications performed on multispectral satellite images acquired in the visible, near infrared and shortwave infrared.  ... 
doi:10.12789/geocanj.2021.48.181 fatcat:fckev3h45jgxhnwbgkvcbacpcq

New Zealand kauri trees : identification and canopy stress analysis with optical remote sensing and LiDAR data [article]

Jane J. Meiforth, University Of Canterbury
A distinct spectral pattern of kauri crowns could be discovered with the use of an airborne AISA Fenix hyperspectral image in the far near-infrared part of the spectrum.  ...  The reference data used here include 3165 precisely located crowns from three study sites in the Waitakere Ranges west of Auckland.  ...  Our thanks go to Massey University for the provision of the hyperspectral data acquisition, as well as AAM NZ Ltd. for the acquisition and processing of airborne LiDAR data.  ... 
doi:10.26021/10219 fatcat:2lem4rjdr5hl3laipyms4mitam

Insights into dyke emplacement mechanisms using new high-resolution 3D digital outcrop methods [article]

Gregory Dering
The emergence of digital photogrammetry along with Unmanned Aerial Vehicles (UAVs, a.k.a. drones) have expanded our capability to acquire data from geological outcrops with a precision and sampling density  ...  2.3.1 Example of mapping dyke-induced deformation 2.3.2 Example of high resolution aperture measurements Extraction of dyke aperture data from non-uniform surfaces Aperture result from  ...  near infrared to shortwave infrared hyperspectral cameras, thermal infrared), and geophysical data (especially aeromagnetic surveys).  ... 
doi:10.26182/5eab97f21c63d fatcat:xa74min3wjadnltvfjt3l4jm2u