Abstract
A novel mobile robot simultaneous localization and mapping (SLAM) method is implemented by using the Rao-Blackwellized particle filter (RBPF) for monocular vision-based autonomous robot in unknown indoor environment. The particle filter combined with unscented Kalman filter (UKF) for extending the path posterior by sampling new poses integrating the current observation. Landmark position estimation and update is implemented through UKF. Furthermore, the number of resampling steps is determined adaptively, which greatly reduces the particle depletion problem. Monocular CCD camera mounted on the robot tracks the 3D natural point landmarks structured with matching image feature pairs extracted through Scale Invariant Feature Transform (SIFT). The matching for multi-dimension SIFT features which are highly distinctive due to a special descriptor is implemented with a KD-Tree. Experiments on the robot Pioneer3 showed that our method is very precise and stable.
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Project (No. 2002AA735041) supported by the Hi-Tech Research and Development Program (863) of China
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Li, Mh., Hong, Br., Luo, Rh. et al. A novel method for mobile robot simultaneous localization and mapping. J. Zhejiang Univ. - Sci. A 7, 937–944 (2006). https://doi.org/10.1631/jzus.2006.A0937
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DOI: https://doi.org/10.1631/jzus.2006.A0937
Key words
- Mobile robot
- Rao-Blackwellized particle filter (RBPF)
- Monocular vision
- Simultaneous localization and mapping