Results 41 to 50 of about 68,732 (167)

Lightweight Drone-to-Ground Station and Drone-to-Drone Authentication Scheme for Internet of Drones

open access: yesSymmetry
The implementation of the Authentication and Key Agreement (AKA) protocol in the Internet of Drones (IoD) is crucial for enhancing the security and reliability of information transmission. However, almost all existing authentication protocols between drones and Ground Station (GS) may suffer from several attacks due to capture attacks. In addition, the
Qi Xie 0001, Jilin Zhang
openaire   +2 more sources

Heterogeneous Drone Small Cells: Optimal 3D Placement for Downlink Power Efficiency and Rate Satisfaction

open access: yes, 2023
In this paper, we delve into the domain of heterogeneous drone-enabled aerial base stations, each equipped with varying transmit powers, serving as downlink wireless providers for ground users.
Nima Namvar   +2 more
core   +1 more source

Vision-Based Relative Pose Estimation of Non-Cooperative Spacecraft Using Time-of-Flight Camera

open access: yesIEEE Access
This paper deals with a vision-based pose estimation of a target using a time-of-flight (ToF) camera. In particular, a relative pose estimation algorithm for non-cooperative targets that lack markers or accessible sensor is proposed. The proposed method,
Sangdo Park   +3 more
doaj   +1 more source

DVS: A Drone Video Synopsis towards Storing and Analyzing Drone Surveillance Data in Smart Cities

open access: yesSystems, 2022
The commercialization and advancement of unmanned aerial vehicles (UAVs) have increased in the past decades for surveillance. UAVs use gimbal cameras and LIDAR technology for monitoring as they are resource-constrained devices that are composed of ...
Palash Yuvraj Ingle   +2 more
doaj   +1 more source

Automated Drone Detection Using YOLOv4

open access: yes, 2021
Drones are increasing in popularity and are reaching the public faster than ever before. Consequently, the chances of a drone being misused are multiplying.
Subroto Singha, Burchan Aydin
core   +1 more source

Drone congregation areas of red dwarf honeybee, Apis florea [PDF]

open access: yes, 2009
The drones of dwarf honeybees assemble at the drone congregation areas close to small trees with dense leafage at the heights between 2 to 4 ...
Narayanappa Nagaraja, Axel Brockmann
core  

The drone debate: sudden bullet or slow boomerang? [PDF]

open access: yes, 2013
Introduction: Growth in the manufacture, military use, and transfer of unmanned aerial vehicles (UAVs or drones) and their associated systems proceeds apace.
Roderic Alley
core  

Drone High-Rise Aerial Delivery with Vertical Grid Screening

open access: yes, 2023
Delivery drones typically perform delivery by suspending the parcel vertically or landing the drone to drop off the package. However, because of the constrained landing area and the requirement for precise navigation, delivering items to customers who ...
Endrowednes Kuantama   +4 more
core   +1 more source

Drone Surveys Are More Accurate Than Boat-Based Surveys of Bottlenose Dolphins (Tursiops truncatus)

open access: yesDrones, 2022
Generating accurate estimates of group sizes or behaviours of cetaceans from boat-based surveys can be challenging because much of their activity occurs below the water surface and observations are distorted by horizontal perspectives.
Ticiana Fettermann   +4 more
doaj   +1 more source

Deep Learning for Indoor Pedestal Fan Blade Inspection: Utilizing Low-Cost Autonomous Drones in an Educational Setting

open access: yesDrones
This paper introduces a drone-based surrogate project aimed at serving as a preliminary educational platform for undergraduate students in the Electrical and Computer Engineering (ECE) fields.
Angel A. Rodriguez   +6 more
doaj   +1 more source

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