Incremental feature-based mapping from sonar data using Gaussian mixture models

Authors:
Milton Roberto Heinen;Paulo Martins Engel
Affiliations:
UFRGS-Informatics Institute, Porto Alegre, RS, Brazil;UFRGS-Informatics Institute, Porto Alegre, RS, Brazil
Venue:
Proceedings of the 2011 ACM Symposium on Applied Computing
Year:
2011

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Abstract

This paper proposes a new algorithm for feature-based environment mapping where the environment is represented using multivariate Gaussian mixture models. This algorithm, which can be used either with sonar or laser range data, is able to create and maintain environment maps in real time using few memory requirements. Moreover, it does not assume that the environment is composed by linear structures and allows computing the occupancy probabilities of any map position very fast and without introducing discretization errors. The experiments performed using sonar data show that it is able to build accurate environment representations using noisy data provided by a mobile robot.