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Title: Monocular trail detection and tracking aided by visual SLAM for small unmanned aerial vehicles
Authors: Silva, A.
Mendonça, R.
Santana, P.
Keywords: UAV
Path detection
Visual SLAM
Issue Date: 2019
Publisher: Springer
Abstract: This article addresses the navigation problem of small and medium-sized unmanned aerial vehicles (UAVs) built to perform missions in forest environments (e.g., search and rescue) by exploiting the presence of natural or man-made paths, typically present in this type of environments. The proposed system extends a previous monocular-based technique for trail detection and tracking so as to take into account volumetric data acquired from a Visual SLAM algorithm and, as a result, to increase its sturdiness upon challenging trails. The experimental results, obtained via a set of 12 videos recorded with a camera installed in a tele-operated, unmanned small-sized aerial vehicle, show the ability of the proposed system to overcome some of the difficulties of the original detector, attaining a success rate of 97.8%.
Peer reviewed: yes
DOI: 10.1007/s10846-019-01033-x
ISSN: 0921-0296
Appears in Collections:IT-RI - Artigo em revista internacional com arbitragem científica

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