In this paper, the performance of a topological-metric visual-path-following framework is investigated in different environments. The framework relies on a monocular camera as the only sensing modality. The path is represented as a series of reference images such that each neighboring pair contains a number of common landmarks. Local 3-D geometries are reconstructed between the neighboring reference images to achieve fast feature prediction. This condition allows recovery from tracking failures. During navigation, the robot is controlled using image-based visual servoing. The focus of this paper is on the results from a number of experiments that were conducted in different environments, lighting conditions, and seasons. The experiments with a robot car show that the framework is robust to moving objects and moderate illumination changes. It is also shown that the system is capable of online path learning.
Experimental Evaluation of Autonomous Driving Based on Visual Memory and Image-Based Visual Servoing
IEEE Transactions on Intelligent Transportation Systems ; 12 , 3 ; 870-883
2011-09-01
1518716 byte
Aufsatz (Zeitschrift)
Elektronische Ressource
Englisch
Experimental Evaluation of Autonomous Driving Based on Visual Memory and Image-Based Visual Servoing
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