Avoiding collision with moving obstacles for UAVs using robust ego-motion estimation technique

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This paper proposes a vision-based collision avoidance system for unmanned aerial vehicles (UAVs). A method to detect and avoid approaching objects is necessary for UAVs since they are inherently vulnerable to external impacts. To resolve common issues with motion detection on a moving platform, computer vision algorithms such as optical flow and homography transform are utilized. The robustness of these algorithms is improved by employing characteristics of differential images. The proposed method is implemented in a camera-equipped onboard computer and then mounted onto a UAV as a collision avoidance system. It performs evasive maneuvers to avoid various objects thrown in its flight path, demonstrating its functionality and robustness.
Publisher
SPIE
Issue Date
2021-03-22
Language
English
Citation

Active and Passive Smart Structures and Integrated Systems XV 2021

DOI
10.1117/12.2583377
URI
http://hdl.handle.net/10203/287484
Appears in Collection
AE-Conference Papers(학술회의논문)
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