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Type: Journal article
Title: Performance of an insect-inspired target tracker in natural conditions
Author: Bagheri, Z.
Wiederman, S.
Cazzolato, B.
Grainger, S.
O'Carroll, D.
Citation: Bioinspiration and Biomimetics, 2017; 12(2):025006-1-025006-16
Publisher: IOP Publishing
Issue Date: 2017
ISSN: 1748-3182
Statement of
Zahra M Bagheri, Steven D Wiederman, Benjamin S Cazzolato, Steven Grainger and David C O’Carroll
Abstract: Robust and efficient target-tracking algorithms embedded on moving platforms, are a requirement for many computer vision and robotic applications. However, deployment of a real-time system is challenging, even with the computational power of modern hardware. As inspiration, we look to biological lightweight solutions-lightweight and low-powered flying insects. For example, dragonflies pursue prey and mates within cluttered, natural environments, deftly selecting their target amidst swarms. In our laboratory, we study the physiology and morphology of dragonfly 'small target motion detector' neurons likely to underlie this pursuit behaviour. Here we describe our insect-inspired tracking model derived from these data and compare its efficacy and efficiency with state-of-the-art engineering models. For model inputs, we use both publicly available video sequences, as well as our own task-specific dataset (small targets embedded within natural scenes). In the context of the tracking problem, we describe differences in object statistics within the video sequences. For the general dataset, our model often locks on to small components of larger objects, tracking these moving features. When input imagery includes small moving targets, for which our highly nonlinear filtering is matched, the robustness outperforms state-of-the-art trackers. In all scenarios, our insect-inspired tracker runs at least twice the speed of the comparison algorithms.
Keywords: Visual target tracking; bio-inspired vision; real-time
Rights: © 2017 IOP Publishing Ltd.
RMID: 0030062806
DOI: 10.1088/1748-3190/aa5b48
Grant ID:
Appears in Collections:Mechanical Engineering publications

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