Action selection for single-camera SLAM
- Publication Type:
- Journal Article
- Citation:
- IEEE Transactions on Systems, Man, and Cybernetics, Part B: Cybernetics, 2010, 40 (6), pp. 1567 - 1581
- Issue Date:
- 2010-12-01
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A method for evaluating, at video rate, the quality of actions for a single camera while mapping unknown indoor environments is presented. The strategy maximizes mutual information between measurements and states to help the camera avoid making ill-conditioned measurements that are appropriate to lack of depth in monocular vision systems. Our system prompts a user with the appropriate motion commands during 6-DOF visual simultaneous localization and mapping with a handheld camera. Additionally, the system has been ported to a mobile robotic platform, thus closing the control-estimation loop. To show the viability of the approach, simulations and experiments are presented for the unconstrained motion of a handheld camera and for the motion of a mobile robot with nonholonomic constraints. When combined with a path planner, the technique safely drives to a marked goal while, at the same time, producing an optimal estimated map. © 2010 IEEE.
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