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Accurate human motion capture in large areas by combining IMU- and laser-based people tracking / Ziegler, Jakob; Henrik, Kretzschmar; Cyrill, Stachniss; Grisetti, Giorgio; Burgard, Wolfram. - STAMPA. - (2011), pp. 86-91. ( 2011 IEEE/RSJ International Conference on Intelligent Robots and Systems San Francisco, CA; USA 25-30 September 2011) [10.1109/iros.2011.6094430].

Accurate human motion capture in large areas by combining IMU- and laser-based people tracking

GRISETTI, GIORGIO;
2011
2011
2011 IEEE/RSJ International Conference on Intelligent Robots and Systems
A large number of applications use motion capture systems to track the location and the body posture of people. For instance, the movie industry captures actors to animate virtual characters that perform stunts. Today's tracking systems either operate with statically mounted cameras and thus can be used in confined areas only or rely on inertial sensors that allow for free and large-scale motion but suffer from drift in the pose estimate. This paper presents a novel tracking approach that aims to provide globally aligned full body posture estimates by combining a mobile robot and an inertial motion capture system. In our approach, a mobile robot equipped with a laser scanner is used to anchor the pose estimates of a person given a map of the environment. It uses a particle filter to globally localize a person wearing a motion capture suit and to robustly track the person's position. To obtain a smooth and globally aligned trajectory of the person, we solve a least squares optimization problem formulated from the motion capture suite and tracking data. Our approach has been implemented on a real robot and exhaustively tested. As the experimental evaluation shows, our system is able to provide locally precise and globally aligned estimates of the person's full body posture.
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Accurate human motion capture in large areas by combining IMU- and laser-based people tracking / Ziegler, Jakob; Henrik, Kretzschmar; Cyrill, Stachniss; Grisetti, Giorgio; Burgard, Wolfram. - STAMPA. - (2011), pp. 86-91. ( 2011 IEEE/RSJ International Conference on Intelligent Robots and Systems San Francisco, CA; USA 25-30 September 2011) [10.1109/iros.2011.6094430].
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11573/669219
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