Results 111 to 120 of about 4,996,434 (258)
Real-Time Single-Frequency GPS/MEMS-IMU Attitude Determination of Lightweight UAVs
Sensors, 2015 In this paper, a newly-developed direct georeferencing system for the guidance, navigation and control of lightweight unmanned aerial vehicles (UAVs), having a weight limit of 5 kg and a size limit of 1.5 m, and for UAV-based surveying and remote sensing
Christian Eling +2 more
doaj +1 more source
Quantifying microhabitat selection of snowshoe hares using forest metrics from UAS‐based LiDAR
Wildlife Biology, EarlyView.Identifying the spatial and temporal scale at which animals select resources is critical for predicting how populations respond to changes in the environment. The spatial distribution of fine‐scale resources (e.g. patches of dense vegetation) are often linked with critical life‐history requirements such as denning and feeding sites.
Alexej P. K. Sirén +7 more
wiley +1 more source
Direct Sensor Orientation of a Land-Based Mobile Mapping System
Sensors, 2011 A land-based mobile mapping system (MMS) is flexible and useful for the acquisition of road environment geospatial information. It integrates a set of imaging sensors and a position and orientation system (POS). The positioning quality of such systems is
Yu-Hua Li +6 more
doaj +1 more source
Decision Of EO Parameters Based On Direct Georeferencing Using SmartBase
Journal of the Korean Society of Surveying, Geodesy, Photogrammetry and Cartography, 2013 Recently, it is a pretty well known way to compute GPS/INS using Continuously Operating Reference Station (CORS) and Network-based RTK for obtaining Exterior Orientation (EO) parameters of aerial photogrammetry. In this study, it is way to compute Exterior Orientation (EO) parameters using ground base stations, using Continuously Operating Reference ...
openaire +2 more sources
We All Live in a Virtual Submarine [PDF]
, 2010 Our seas and oceans hide a plethora of archaeological sites such as ancient shipwrecks that, over time, are being destroyed through activities such as deepwater trawling and treasure hunting.
Bale, Kim, Chapman, Paul, Drap, Pierre
core +1 more source
High Voltage, EarlyView.ABSTRACT Power lines in synthetic‐aperture radar (SAR) images are reflected as point signatures, which fluctuate annually in both the azimuth and range directions. A novel framework is proposed in this paper to evaluate the four‐dimensional dynamic status of power line sag using those point signatures in time‐series SAR images.
Sijie Ma +4 more
wiley +1 more source
, 2017 . Within the past years, the development of high-quality Inertial Measurement Units (IMU) and GNSS technology and dedicated RTK (Real Time Kinematic) and PPK (Post-Processing Kinematic) solutions for UAVs promise accurate measurements of the exterior ...
Claudia Stöcker +3 more
semanticscholar +1 more source
Specimens at the Center: An Informatics Workflow and Toolkit for Specimen-level analysis of Public DNA database data [PDF]
, 2016 Major public DNA databases — NCBI GenBank, the DNA DataBank of Japan (DDBJ), and the European Molecular Biology Laboratory (EMBL) — are invaluable biodiversity libraries. Systematists and other biodiversity scientists commonly mine these databases for
Brown, Bethany H. +8 more
core +1 more source
International Journal of Urban and Regional Research, EarlyView.Abstract In a context of unprecedented urbanization, nineteenth‐century European cities faced the ‘housing question’, i.e. precarious housing standards and affordability problems. While existing research has well described these historical housing problems in single‐city studies or in national urbanization histories, to our knowledge, there are hardly ...
Sebastian Kohl +2 more
wiley +1 more source
Integrated GNSS Attitude Determination and Positioning for Direct Geo-Referencing
Sensors, 2014 Direct geo-referencing is an efficient methodology for the fast acquisition of 3D spatial data. It requires the fusion of spatial data acquisition sensors with navigation sensors, such as Global Navigation Satellite System (GNSS) receivers.
Nandakumaran Nadarajah +2 more
doaj +1 more source