OOIR: Observatory of International Research

Papers

(The H4-Index of Drones is 51. The table below lists those papers that are above that threshold based on CrossRef citation counts [max. 250 papers]. The publications cover those that have been published in the past four years, i.e., from 2021-08-01 to 2025-08-01.)

Article	Citations
On IRS-Assisted Covert Communication with a Friendly UAV	545
Joint Deployment and Coverage Path Planning for Capsule Airports with Multiple Drones	276
Two Low-Complexity Efficient Beamformers for an IRS- and UAV-Aided Directional Modulation Network	197
Joint Design of Altitude and Channel Statistics Based Energy Beamforming for UAV-Enabled Wireless Energy Transfer	157
Drone-Based Monitoring to Remotely Assess a Beach Nourishment Program on Lord Howe Island	155
Improving Racing Drones Flight Analysis: A Data-Driven Approach Using Motion Capture Systems	142
OTFS-IM Modulation Based on Four-Dimensional Spherical Code in Air-to-Ground Communication	140
Multi-Node Joint Jamming Scheme for Secure UAV-Aided NOMA-CDRT Systems: Performance Analysis and Optimization	120
Strapdown Celestial Attitude Estimation from Long Exposure Images for UAV Navigation	105
Speed-First: An Aggressive Gradient-Based Local Planner for Quadrotor Faster Flight	105
Interception of a Single Intruding Unmanned Aerial Vehicle by Multiple Missiles Using the Novel EA-MADDPG Training Algorithm	102
LightMAN: A Lightweight Microchained Fabric for Assurance- and Resilience-Oriented Urban Air Mobility Networks	101
UAV Path Planning Using an Adaptive Strategy for the Particle Swarm Optimization Algorithm	97
Special Issue on Intelligent Image Processing and Sensing for Drones	97
An Efficient and Low-Delay SFC Recovery Method in the Space–Air–Ground Integrated Aviation Information Network with Integrated UAVs	97
An Evaluation of Sun-Glint Correction Methods for UAV-Derived Secchi Depth Estimations in Inland Water Bodies	94
Tiny-Object Detection Based on Optimized YOLO-CSQ for Accurate Drone Detection in Wildfire Scenarios	90
Drone State Estimation Based on Frame-to-Frame Template Matching with Optimal Windows	87
A Hierarchical Control Algorithm for a Pursuit–Evasion Game Based on Fuzzy Actor–Critic Learning and Model Predictive Control	86
Identification of Salt Marsh Vegetation in the Yellow River Delta Using UAV Multispectral Imagery and Deep Learning	85
Modulation Recognition of Low-SNR UAV Radar Signals Based on Bispectral Slices and GA-BP Neural Network	79
Enhancing Unmanned Aerial Vehicle Task Assignment with the Adaptive Sampling-Based Task Rationality Review Algorithm	75
A Ground Point Fitting Method for Winter Wheat Height Estimation Using UAV-Based SfM Point Cloud Data	74
The Use of Drones in the Spatial Social Sciences	73
A Hierarchical Deep Reinforcement Learning Approach for Throughput Maximization in Reconfigurable Intelligent Surface-Aided Unmanned Aerial Vehicle–Integrated Sensing and Communication Network	73

Using Ground-Based Passive Reflectors for Improving UAV Landing	72
Fault Tolerant Control of Drone Interceptors Using Command Filtered Backstepping and Fault Weighting Dynamic Control Allocation	70
Monitoring Maize Leaf Spot Disease Using Multi-Source UAV Imagery	70
Path Planning for Fixed-Wing Unmanned Aerial Vehicles: An Integrated Approach with Theta* and Clothoids	68
UAV-Aided Wireless Energy Transfer for Sustaining Internet of Everything in 6G	67
A Dynamic Checkpoint Interval Decision Algorithm for Live Migration-Based Drone-Recovery System	67
Automated Pavement Construction Inspection Using Uncrewed Aerial Systems (UAS)—Hot Mixed Asphalt (HMA) Temperature Segregation	66
Wind Tunnel Investigation of the Icing of a Drone Rotor in Forward Flight	66
Consensus-Based Formation Control for Heterogeneous Multi-Agent Systems in Complex Environments	64
Automated Rice Phenology Stage Mapping Using UAV Images and Deep Learning	63
Robust Nonlinear Control with Estimation of Disturbances and Parameter Uncertainties for UAVs and Integrated Brushless DC Motors	61
Deep Complex-Valued Convolutional Neural Network for Drone Recognition Based on RF Fingerprinting	60
VSAI: A Multi-View Dataset for Vehicle Detection in Complex Scenarios Using Aerial Images	59
Integral Backstepping Sliding Mode Control for Unmanned Autonomous Helicopters Based on Neural Networks	59
Chattering Reduction of Sliding Mode Control for Quadrotor UAVs Based on Reinforcement Learning	59
Research on Modeling and Fault-Tolerant Control of Distributed Electric Propulsion Aircraft	58
An Integrated Approach for Earth Infrastructure Monitoring Using UAV and ERI: A Systematic Review	58
A Systems Analysis of Energy Usage and Effectiveness of a Counter-Unmanned Aerial System Using a Cyber-Attack Approach	56
Missing Plant Detection in Vineyards Using UAV Angled RGB Imagery Acquired in Dormant Period	55
LSTM-H: A Hybrid Deep Learning Model for Accurate Livestock Movement Prediction in UAV-Based Monitoring Systems	55
A Tunnel Crack Detection Method Based on an Unmanned Aerial Vehicle (UAV) Equipped with a High-Speed Camera and Crack Recognition Algorithm Using Improved Multi-Scale Retinex and Prewitt–Otsu	54
Energy-Aware Hierarchical Reinforcement Learning Based on the Predictive Energy Consumption Algorithm for Search and Rescue Aerial Robots in Unknown Environments	54
Path-Following Control of Small Fixed-Wing UAVs under Wind Disturbance	54
Drone with Mounted Thermal Infrared Cameras for Monitoring Terrestrial Mammals	53
Real-Time Monitoring of Parameters and Diagnostics of the Technical Condition of Small Unmanned Aerial Vehicle’s (UAV) Units Based on Deep BiGRU-CNN Models	52
Revealing Archaeological Sites under Mediterranean Forest Canopy Using LiDAR: El Viandar Castle (husum) in El Hoyo (Belmez-Córdoba, Spain)	51
Cooperative Drone and Water Supply Truck Scheduling for Wildfire Fighting Using Deep Reinforcement Learning	51