Results 101 to 110 of about 68,732 (167)

Virtual reality-assisted visualization of flood susceptibility using optimized machine learning models

open access: yesApplied Water Science
Effective flood disaster preparedness and mitigation techniques require flood susceptibility mapping (FSM). However, existing maps do not offer the stakeholders a good understanding and clear rationale for decision-making, as they lack a comprehensive ...
Seyed Vahid Razavi-Termeh   +4 more
doaj   +1 more source

Evaluation of the Usability of UAV LiDAR for Analysis of Karst (Doline) Terrain Morphology

open access: yesSensors
Traditional 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   +1 more source

Drone-type-Set: Drone types detection benchmark for drone detection and tracking

open access: yes2024 International Conference on Intelligent Systems and Computer Vision (ISCV)
The Unmanned Aerial Vehicles (UAVs) market has been significantly growing and Considering the availability of drones at low-cost prices the possibility of misusing them, for illegal purposes such as drug trafficking, spying, and terrorist attacks posing high risks to national security, is rising. Therefore, detecting and tracking unauthorized drones to
AlDosari, Khloud   +4 more
openaire   +3 more sources

[Letter from Robert Drone describing General Braddock's defeat].

open access: yes
Robert Drone sent a letter from Ft. Cumberland. He was too badly wounded to write it himself, so he dictated to Capt. Dobson. The letter is closely written with several cross-outs and a failure on a fold.
Drone, Robert,
core  

Drone-Vehicle Routing Problem Instances

open access: yes, 2018
<p>The following instances are originally presented in the (soon to be published) paper <em>A large Neighborhood Search Heuristic for the Drone-Vehicle Routing Problem</em>, written by David Sacramento Lechado, David Pisinger and ...
David Sacramento   +1 more
core   +1 more source

Signal Extension Method for Improved Range Resolution of Frequency-Modulated Continuous Wave Radar in Indoor Environments

open access: yesApplied Sciences
The range resolution of FMCW radar is critical for accurately distinguishing between multiple objects. Higher range resolution allows for better object separation and more precise location determination.
Seonyul Lee   +3 more
doaj   +1 more source

Drone-based effective counting and ageing of hippopotamus (Hippopotamus amphibius) in the Okavango Delta in Botswana - Fig 2

open access: yes, 2019
Violin and boxplot (mean, circle) showing variation in total hippo counts for a) land and three drone heights (40m, 80m and 120m) and b) time of day (EM–early morning, LM–late morning, EA–early afternoon, LA–late afternoon).
Keith E. A. Leggett (8087690)   +3 more
core   +1 more source

Real-Time TECS Gain Tuning Using Steepest Descent Method for Post-Transition Stability in Unmanned Tilt-Rotor eVTOLs

open access: yesDrones
Unmanned tilt-rotor electric Vertical Take-Off and Landing (eVTOL) aircraft face significant control challenges during the transition from hover to forward flight, particularly when using open-source autopilot systems that rely on open-loop tilt control ...
Choonghyun Lee   +3 more
doaj   +1 more source

A Drone Opera

open access: yes, 2015
The electrifying experience of drones underscores this ambitious contemporary opera. Featuring a number of purpose-built drones, laser set design and transcendent vocals, A Drone Opera introduces audiences to the sublimely beautiful, visceral and ...
Shaw, Bosco   +15 more
core  

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