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Tracking an unknown moving target from UAV: Extracting and localizing an moving target with vision sensor based on optical flow

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3 Author(s)
Jay Hyuk Choi ; Division of Aerospace Engineering, Korea Advanced Institute of Science and Technology, Daejeon, Korea ; Dongjin Lee ; Hyochoong Bang

This paper proposes a novel algorithm for tracking a target from UAV(Unmanned Aerial Vehicle). No knowledge is assumed about the target, apart from being in motion. The algorithm includes optical flow to compute velocity field of sequential frames. Velocity field varies radically near the boundary of the target. This simple fact enables to segregate the target and background from the scene and to obtain their velocities. With the aid of simple geolocation method, we can get the absolute location and velocity of the target and this will enable target tracking for UAV based on optical flow.

Published in:

Automation, Robotics and Applications (ICARA), 2011 5th International Conference on

Date of Conference:

6-8 Dec. 2011