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A system to navigate a robot into a ship structure

Abstract. A prototype system has been built to navigate a walking robot into a ship structure. The 8-legged robot is equipped with an active stereo head. From the CAD-model of the ship good view points are selected, such that the head can look at locations with sufficient edge features, which are extracted automatically for each view. The pose of the robot is estimated from the features detected by two vision approaches. One approach searches in stereo images for junctions and measures the 3-D position. The other method uses monocular image and tracks 2-D edge features. Robust tracking is achieved with a method of edge projected integration of cues (EPIC). Two inclinometres are used to stabilise the head while the robot moves. The results of the final demonstration to navigate the robot within centimetre accuracy are given.

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Vincze, M., Ayromlou, M., Beltran, C. et al. A system to navigate a robot into a ship structure. Machine Vision and Applications 14, 15–25 (2003).

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  • Keywords: Navigation – Ship building application – Computer vision – Model-based tracking