activity
20242026
most citedAdvances in UAV Avionics Systems Architecture, Classification and Integration: A Comprehensive Review and Future Perspectives

70 citations · 173 across the 12 of their papers we have counts for

collaborators

13 papers

cs.CV2026

TileNet: Tile-Based CNN-SVM Architecture for Autonomous Unmanned Aerial Systems Inspection of Flat Roofs

Samuel Dunthorne, Hashim A. Hashim

Flat roofs are among the most influential components of the building envelope, governing both structural performance and thermal efficiency, and thereby contributing directly to ho…

cs.RO2026

Dual Quaternion-Based Unscented Kalman Filter with Visual Inertial Odometry for Navigation in GPS-Denied Environments

Mohamed Khalifa, Hashim A. Hashim

Reliable navigation in GPS-denied environments remains a fundamental challenge in robotics, aerospace, and autonomous vehicle applications. This paper presents a Dual Quaternion-Ba…

eess.SY2026★ 3 cited

Quaternion-based Unscented Kalman Filter for Robust Wrench Estimation of Human-UAV Physical Interaction

Hussein Naser, Hashim A. Hashim, Mojtaba Ahmadi

This paper introduces an advanced Quaternion-based Unscented Kalman Filter (QUKF) for real-time, robust estimation of system states and external wrenches in assistive aerial payloa…

eess.SY2026

Adaptive Gain Nonlinear Observer for External Wrench Estimation in Human-UAV Physical Interaction

Hussein N. Naser, Hashim A. Hashim, Mojtaba Ahmadi

This paper presents an Adaptive Gain Nonlinear Observer (AGNO) for estimating the external interaction wrench (forces and torques) in human-UAV physical interaction for assistive p…

cs.RO2025

Unscented Particle Filter for Visual-inertial Navigation using IMU and Landmark Measurements

Khashayar Ghanizadegan, Hashim A. Hashim

This paper introduces a geometric Quaternion-based Unscented Particle Filter for Visual-Inertial Navigation (QUPF-VIN) specifically designed for a vehicle operating with six degree…

eess.SY2025

Human Physical Interaction based on UAV Cooperative Payload Transportation System using Adaptive Backstepping and FNTSMC

Hussein N. Naser, Hashim A. Hashim, Mojtaba Ahmadi

This paper presents a nonlinear control strategy for an aerial cooperative payload transportation system consisting of two quadrotor UAVs rigidly connected to a payload. The system…

cs.RO2025★ 11 cited

DeepUKF-VIN: Adaptively-tuned Deep Unscented Kalman Filter for 3D Visual-Inertial Navigation based on IMU-Vision-Net

Khashayar Ghanizadegan, Hashim A. Hashim

This paper addresses the challenge of estimating the orientation, position, and velocity of a vehicle operating in three-dimensional (3D) space with six degrees of freedom (6-DoF).…

eess.SY2025★ 70 cited

Advances in UAV Avionics Systems Architecture, Classification and Integration: A Comprehensive Review and Future Perspectives

Hashim A. Hashim

Avionics systems of an Unmanned Aerial Vehicle (UAV) or drone are the critical electronic components found onboard that regulate, navigate, and control UAV travel while ensuring pu…

cs.RO2024★ 18 cited

Aerial Assistive Payload Transportation Using Quadrotor UAVs with Nonsingular Fast Terminal SMC for Human Physical Interaction

Hussein Naser, Hashim A. Hashim, Mojtaba Ahmadi

This paper presents a novel approach to utilizing underactuated quadrotor Unmanned Aerial Vehicles (UAVs) as assistive devices in cooperative payload transportation task through hu…

cs.RO2024★ 21 cited

Quaternion-based Unscented Kalman Filter for 6-DoF Vision-based Inertial Navigation in GPS-denied Regions

Khashayar Ghanizadegan, Hashim A. Hashim

This paper investigates the orientation, position, and linear velocity estimation problem of a rigid-body moving in three-dimensional (3D) space with six degrees-of-freedom (6 DoF)…

cs.CV2024

Comprehensive and Comparative Analysis between Transfer Learning and Custom Built VGG and CNN-SVM Models for Wildfire Detection

Aditya V. Jonnalagadda, Hashim A. Hashim, Andrew Harris

Contemporary Artificial Intelligence (AI) and Machine Learning (ML) research places a significant emphasis on transfer learning, showcasing its transformative potential in enhancin…

cs.RO2024

Deep Reinforcement Learning for Sim-to-Real Policy Transfer of VTOL-UAVs Offshore Docking Operations

Ali M. Ali, Aryaman Gupta, Hashim A. Hashim

This paper proposes a novel Reinforcement Learning (RL) approach for sim-to-real policy transfer of Vertical Take-Off and Landing Unmanned Aerial Vehicle (VTOL-UAV). The proposed a…

cs.CV2024★ 50 cited

SegNet: A Segmented Deep Learning based Convolutional Neural Network Approach for Drones Wildfire Detection

Aditya V. Jonnalagadda, Hashim A. Hashim

This research addresses the pressing challenge of enhancing processing times and detection capabilities in Unmanned Aerial Vehicle (UAV)/drone imagery for global wildfire detection…