Modeling curiosity in a mobile robot for long-term autonomous exploration and monitoring
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This paper presents a novel approach to modeling curiosity in a mobile robot, which is useful for monitoring and adaptive data collection tasks, especially in the context of long term autonomous missions where pre- programmed missions are likely to have limited utility. We use a realtime topic modeling technique to build a semantic perception model of the environment, using which, we plan a path through the locations in the world with high se- mantic information content. The life-long learning behavior of the proposed perception model makes it suitable for long-term exploration missions. We val- idate the approach using simulated exploration experiments using aerial and underwater data, and demonstrate an implementation on the Aqua underwa- ter robot in a variety of scenarios. We nd that the proposed exploration paths that are biased towards locations with high topic perplexity, produce better terrain models with high discriminative power. Moreover, we show that the proposed algorithm implemented on Aqua robot is able to do tasks such as coral reef inspection, diver following, and sea oor exploration, without any prior training or preparation.
Author Posting. © The Author(s), 2015. This is the author's version of the work. It is posted here by permission of Springer for personal use, not for redistribution. The definitive version was published in Autonomous Robots 40 (2016): 1267–1278, doi:10.1007/s10514-015-9500-x.
Suggested CitationPreprint: Girdhar, Yogesh, Dudek, Gregory, "Modeling curiosity in a mobile robot for long-term autonomous exploration and monitoring", 2015-09, https://doi.org/10.1007/s10514-015-9500-x, https://hdl.handle.net/1912/8505
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