OOIR: Observatory of International Research

Papers

(The H4-Index of Drones is 45. 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 2021-04-01 to 2025-04-01.)

Article	Citations
Integrative Path Planning for Multi-Rotor Logistics UAVs Considering UAV Dynamics, Energy Efficiency, and Obstacle Avoidance	451
NoctuDroneNet: Real-Time Semantic Segmentation of Nighttime UAV Imagery in Complex Environments	215
Safety-Critical Trajectory Tracking Control with Safety-Enhanced Reinforcement Learning for Autonomous Underwater Vehicle	147
Enhancing the Performance of Novel Archimedes Spiral Hydrokinetic Turbines Utilizing Blade Winglets in Deep-Sea Power Generation for Autonomous Underwater Vehicles	124
Unmanned Aerial Vehicle-Enabled Aerial Radio Environment Map Construction: A Multi-Stage Approach to Data Sampling and Path Planning	123
Robust Position Control of VTOL UAVs Using a Linear Quadratic Rate-Varying Integral Tracker: Design and Validation	120
Control-Oriented Real-Time Trajectory Planning for Heterogeneous UAV Formations	93
Spray Deposition and Drift as Influenced by Wind Speed and Spray Nozzles from a Remotely Piloted Aerial Application System	93
UAV Path Planning Using an Adaptive Strategy for the Particle Swarm Optimization Algorithm	89
Accurate Estimation of Plant Water Content in Cotton Using UAV Multi-Source and Multi-Stage Data	86
Consensus-Based Formation Control for Heterogeneous Multi-Agent Systems in Complex Environments	85
A Hierarchical Control Algorithm for a Pursuit–Evasion Game Based on Fuzzy Actor–Critic Learning and Model Predictive Control	84
A Comprehensive Survey on Short-Distance Localization of UAVs	83
Formation Transformation Based on Improved Genetic Algorithm and Distributed Model Predictive Control	82
A Hierarchical Deep Reinforcement Learning Approach for Throughput Maximization in Reconfigurable Intelligent Surface-Aided Unmanned Aerial Vehicle–Integrated Sensing and Communication Network	79
New Supplementary Photography Methods after the Anomalous of Ground Control Points in UAV Structure-from-Motion Photogrammetry	78
Automated Rice Phenology Stage Mapping Using UAV Images and Deep Learning	76
Rubber Tree Recognition Based on UAV RGB Multi-Angle Imagery and Deep Learning	73
Impact of Wind on eVTOL Operations and Implications for Vertiport Airside Traffic Flows: A Case Study of Hamburg and Munich	72
High-Precision Mapping of Soil Organic Matter Based on UAV Imagery Using Machine Learning Algorithms	70
AoI-Minimal Task Assignment and Trajectory Optimization in Multi-UAV-Assisted Wireless Powered IoT Networks	69
Unmanned Aircraft Systems (UASs): Current State, Emerging Technologies, and Future Trends	65
Combining UAS LiDAR, Sonar, and Radar Altimetry for River Hydraulic Characterization	63
Measurement and Analysis of the Rician K-Factor for Low-Altitude UAV Air-to-Ground Communications at 2.5 GHz	61
Super-Twisting Algorithm Backstepping Adaptive Terminal Sliding-Mode Tracking Control of Quadrotor Drones Subjected to Faults and Disturbances	59

Research on Automatic Tracking and Size Estimation Algorithm of “Low, Slow and Small” Targets Based on Gm-APD Single-Photon LIDAR	58
Robust Consensus Tracking Control for Multi-Unmanned-Aerial-Vehicle (UAV) System Subjected to Measurement Noise and External Disturbance	57
Cooperative Multi-UAV Task Assignment in Cross-Regional Joint Operations Considering Ammunition Inventory	56
Lightweight Multipurpose Three-Arm Aerial Manipulator Systems for UAV Adaptive Leveling after Landing and Overhead Docking	55
Systematically Improving the Efficiency of Grid-Based Coverage Path Planning Methodologies in Real-World UAVs’ Operations	54
Machine Learning for Precision Agriculture Using Imagery from Unmanned Aerial Vehicles (UAVs): A Survey	54
Software Aging Effects on Kubernetes in Container Orchestration Systems for Digital Twin Cloud Infrastructures of Urban Air Mobility	53
Pipe Routing with Topology Control for Decentralized and Autonomous UAV Networks	53
Variations in Multi-Agent Actor–Critic Frameworks for Joint Optimizations in UAV Swarm Networks: Recent Evolution, Challenges, and Directions	52
Spatiotemporal Analysis of Multi-UAV Persistent Search and Retrieval with Stochastic Target Appearance	52
Drone LiDAR Occlusion Analysis and Simulation from Retrieved Pathways to Improve Ground Mapping of Forested Environments	50
Connectivity Preservation and Obstacle Avoidance Control for Multiple Quadrotor UAVs with Limited Communication Distance	50
Community Drones: A Concept Study on Shared Drone Services	50
Development of a Solar-Powered Edge Processing Perimeter Alert System with AI and LoRa/LoRaWAN Integration for Drone Detection and Enhanced Security	49
RTAPM: A Robust Top-View Absolute Positioning Method with Visual–Inertial Assisted Joint Optimization	49
Quadrotor Unmanned Aerial Vehicle-Mounted Launch Device Precision Analysis for Countering Intruding Drones	46
Vision-Based Drone Detection in Complex Environments: A Survey	45
Measuring Surface Deformation of Asphalt Pavement via Airborne LiDAR: A Pilot Study	45
A Unified Collision Avoidance Trajectory Planning with Dual Variables for Collaborative Aerial Transportation Systems	45
Partially Observable Mean Field Multi-Agent Reinforcement Learning Based on Graph Attention Network for UAV Swarms	45