A 3D pose estimator for the visually impaired
This paper presents an indoor localization system for the visually impaired. The basis of our system is an Extended Kalman Filter (EKF) for six degree-of-freedom (d.o.f.) position and orientation (pose) estimation. The sensing platform consists of an Inertial Measurement Unit (IMU) and a 2D laser sc...
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| creator | Hesch, J.A. Mirzaei, F.M. Mariottini, G.L. Roumeliotis, S.I. |
| description | This paper presents an indoor localization system for the visually impaired. The basis of our system is an Extended Kalman Filter (EKF) for six degree-of-freedom (d.o.f.) position and orientation (pose) estimation. The sensing platform consists of an Inertial Measurement Unit (IMU) and a 2D laser scanner. The IMU measurements are integrated to obtain pose estimates which are subsequently corrected using line-to-plane correspondences between linear segments in the laser-scan data and known 3D structural planes of the building. Furthermore, we utilize Lie derivatives to show that the system is observable when at least three planes are detected by the laser scanner. Experimental results are presented that demonstrate the reliability of the proposed method for accurate and realtime indoor localization. |
| doi_str_mv | 10.1109/IROS.2009.5354060 |
| format | Conference Proceeding |
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| identifier | ISSN: 2153-0858 |
| ispartof | 2009 IEEE/RSJ International Conference on Intelligent Robots and Systems, 2009, p.2716-2723 |
| issn | 2153-0858 2153-0866 |
| language | eng |
| recordid | cdi_ieee_primary_5354060 |
| source | IEEE Electronic Library (IEL) Conference Proceedings |
| subjects | Buildings Gyroscopes Intelligent robots Laser theory Measurement units Navigation Packaging Sensor systems USA Councils Velocity measurement |
| title | A 3D pose estimator for the visually impaired |
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