ICUAS 2020 Paper Abstract

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James, Jasmin (Queensland University of Technology), Ford, Jason (Queensland University of Technology), Molloy, Timothy L. (University of Melbourne)

A Novel Technique for Rejecting Non-Aircraft Artefacts in above Horizon Vision-Based Aircraft Detection

Scheduled for presentation during the Regular Session "See and Avoid Systems I" (ThA1), Thursday, September 3, 2020, 10:00−10:20, Macedonia Hall

2020 International Conference on Unmanned Aircraft Systems (ICUAS), September 1-4, 2020 (Postponed from June 9-12, 2020), Athens, Greece

This information is tentative and subject to change. Compiled on September 25, 2020

Keywords See-and-avoid Systems

Abstract

Unmanned aerial vehicle (UAV) operations are steadily expanding into many important applications. A key technology for better enabling their commercial use is an onboard sense and avoid (SAA) technology which can detect potential mid-air collision threats in the same manner expected from a human pilot. Ideally, aircraft should be detected as early as possible whilst maintaining a low false alarm rate, however, textured clouds and other unstructured terrain make this trade-off a challenge. In this paper we present a new technique for the modelling and detection of small to medium fixed-wing aircraft above the horizon that is able to penalise non-aircraft artefacts (such as textured clouds and other unstructured terrain). We evaluate the performance of our proposed system on flight data of a Cessna 172 on a near collision course encounter with a ScanEagle UAV data collection aircraft. By penalising non-aircraft artefacts we are able to demonstrate, for a zero false alarm rate, a mean detection range of 2445m corresponding to an improvement in detection ranges by 9.8% (218m).

 

 

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