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A Novel Keep Zero as Zero Polar Correlation Technique for Mobile Robot Localization using LIDARSIDHARTHAN, R. K. , KANNAN, R. , SRINIVASAN, S. , BALAS, M. M.
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correlation, mobile robots, pattern matching, sensor fusion, simultaneous localization and mapping
systems(9), slam(9), scan(8), robotics(8), matching(8), fast(6), data(6), zhang(5), localization(5), laser(5)
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About this article
Date of Publication: 2016-11-30
Volume 16, Issue 4, Year 2016, On page(s): 15 - 22
ISSN: 1582-7445, e-ISSN: 1844-7600
Digital Object Identifier: 10.4316/AECE.2016.04003
Web of Science Accession Number: 000390675900003
SCOPUS ID: 85007524779
Sensor fusion based localization techniques often need accurate estimate of the fast and uncertain scene change in environment. To determine the scene change from two consecutive LIDAR scans, this paper proposes a novel technique called 'keep zero as zero' polar correlation. As it name implies any zero in the scan data is kept isolated from scene change estimation as it do not carry any information about scene change. Unlike existing techniques, the proposed methodology employs minimization of selective horizontal and vertically shifted sum of difference between the scans to estimate scene change in terms of rotation and translation. Minimization of the proposed correlation function across the specified search space can guarantee an accurate estimate of scene change without any ambiguity. The performance of the proposed method is tested experimentally on a mobile robot in two modes depending on the scene change. In the first mode, scene change is detected using dynamic LIDAR, whereas static LIDAR is used in the second mode. The proposed methodology is found to be more robust to environmental uncertainties with a reliable level of localization accuracy.
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Faculty of Electrical Engineering and Computer Science
Stefan cel Mare University of Suceava, Romania
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