Results 141 to 150 of about 188,325 (304)

Unmanned Aerial Vehicle (UAV) Robot Microwave Imaging Based on Multi-Path Scattering Model. [PDF]

Sensors (Basel), 2022
Chen Z, Qiao X, Wu P, Zhang T, Hong T, Fang L.   +5 more
europepmc   +1 more source

Evaluating machine learning models for multi‐species wildlife detection and identification on remote sensed nadir imagery in South African savanna

Wildlife Biology, EarlyView.
This research paper investigates the efficacy of leading machine learning (ML) models for detecting and identifying ungulate species in African savanna using nadir imagery from unmanned aerial vehicles (UAVs). Traditional aerial counting methods, while widely used, suffer from significant limitations in accuracy and precision, in part due to human ...
Paul Allin, Fadel Seydou, Radloff Frans, Andrew Davies, Alison Leslie   +4 more
wiley   +1 more source

Heterogeneous mission planning for a single unmanned aerial vehicle (UAV) with attention-based deep reinforcement learning. [PDF]

PeerJ Comput Sci, 2022
Jung M, Oh H.
europepmc   +1 more source

Unmanned Aerial Vehicles (UAVs)-An Overview

International Journal Of Trendy Research In Engineering And Technology, 2021
Dhvani Ajmera, Meet Saroliya
openaire   +1 more source

Estimating red deer Cervus elaphus population density using drones in a steep and rugged terrain

Wildlife Biology, EarlyView.
Precise and accurate information about population density, crucial for wildlife management, is difficult to obtain for elusive species living in dense forests or steep and inaccessible terrain. Using unmanned aerial vehicles (UAVs), we developed a method for obtaining absolute population estimates of ungulates living in steep, rugged, and partly ...
Julie Bommerlund, Torbjørn Ergon, Simon Filhol, Atle Mysterud   +3 more
wiley   +1 more source

Research on safety risk assessment of aging UAV system

Hangkong gongcheng jinzhan
The existing unman aerial vehicle(UAV) risk assessment mostly focuses on small UAV, and there is relatively little research on the aging assessment system of large drones.
WANG Chao, REN Bo, ZENG Hang
doaj   +1 more source

Assessment of Accuracy in Unmanned Aerial Vehicle (UAV) Pose Estimation with the REAL-Time Kinematic (RTK) Method on the Example of DJI Matrice 300 RTK. [PDF]

Sensors (Basel), 2023
Czyża S, Szuniewicz K, Kowalczyk K, Dumalski A, Ogrodniczak M, Zieleniewicz Ł.   +5 more
europepmc   +1 more source

Modelling the Four‐Dimensional Power Line Sag Dynamics by Point Signature in Time‐Series Synthetic‐Aperture Radar Images

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, Tao Li, Mahdi Motagh, Yan Liu, Yangmao Wen   +4 more
wiley   +1 more source

A Tent-Lévy-Based Seagull Optimization Algorithm for the Multi-UAV Collaborative Task Allocation Problem

Applied Sciences
With the rapid advancement of unmanned aerial vehicle technology, the extensive application of multiple unmanned aerial vehicle systems in agriculture has led to significant innovations and benefits.
Zhao Zhou, Huan Liu, Yongqiang Dai, Lijing Qin   +3 more
doaj   +1 more source

The significance of unmanned aerial vehicles (UAVS) in strategic contexts

, 2023
İnsansız Hava Aracı (İHA) terimi ile hava aracı üzerinde kontrol etme kabiliyetine sahip herhangi bir kişi olmadan otonom/yarı otonom ya da uzaktan kontrol edilen hava araçları ifade edilmektedir. Boyut ve şekil bakımından farklılık gösteren İHA'lar, çeşitli sensör ve teknolojilerle donatılmış olarak askeri, ticari ve insani yardım amaçlı ...
openaire   +2 more sources