REDUAS 2019 Paper Abstract


Paper TuD22T2.4

Fanin, Fausto (Cranfield University), Hong, Ju-Hyeon (Cranfield University)

Visual Inertial Navigation for a Small UAV Using Sparse and Dense Optical Flow

Scheduled for presentation during the Regular Session "Navigation" (TuD22T2), Tuesday, November 26, 2019, 11:10−11:30, Room T2

2019 Workshop on Research, Education and Development of Unmanned Aerial Systems (RED UAS), November 25-27, 2019, Cranfield University, Cranfield, UK

This information is tentative and subject to change. Compiled on January 20, 2022

Keywords Navigation, Sensor Fusion, Micro- and Mini- UAS


There has been a recent surge in interest regarding small Unmanned Aerial Vehicles (UAV) that operate in indoor environments. A crucial part of such platforms is the navigation system that allows them to navigate in Global Navigation Satellite System (GNSS) denied environments. The two objectives of this work were to develop an Optical Flow (OF) based method for navigation and a high-fidelity simulation for testing and verification. This paper presents the Visual-Inertial Navigation System (VINS) developed that utilises sparse and dense Optical Flow patterns within an Extended Kalman Filter (EKF) framework for autonomous navigation in GNSS denied environments. The principal novelty is the use of dense Optical Flow measurements to estimate the velocity of the UAV.



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