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Markov Localization for Mobile Robots in Dynamic Environments

Open access
Fox, D., Burgard, W., Thrun, S.·1999·Journal of Artificial Intelligence Research

Abstract

Localization, that is the estimation of a robot's location from sensor data, is a fundamental problem in mobile robotics. This papers presents a version of Markov localization which provides accurate position estimates and which is tailored towards dynamic environments. The key idea of Markov localization is to maintain a probability density over the space of all locations of a robot in its environment. Our approach represents this space metrically, using a fine-grained grid to approximate densities. It is able to globally localize the robot from scratch and to recover from localization failures. It is robust to approximate models of the environment (such as occupancy grid maps) and noisy sensors (such as ultrasound sensors). Our approach also includes a filtering technique which allows a mobile robot to reliably estimate its position even in densely populated environments in which crowds of people block the robot's sensors for extended periods of time. The method described here has been implemented and tested in several real-world applications of mobile robots, including the deployments of two mobile robots as interactive museum tour-guides.

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Metadata

Authors
Fox, D., Burgard, W., & Thrun, S.
Venue
Journal of Artificial Intelligence Research
Published
1999-11-23
Volume
11
Pages
391-427
ISSN
1076-9757 (ISSN-L)
OpenAlex
W1601378499
Cited by
904
References
3
FWCI
65.86
Type
journal article
Language
en
Open access
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CoChat. (2026). Citation check: Markov Localization for Mobile Robots in Dynamic Environments. https://app.cochat.ai/papers/10.1613/jair.616
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Fox, D., Burgard, W., & Thrun, S. (1999). Markov Localization for Mobile Robots in Dynamic Environments. Journal of Artificial Intelligence Research. https://doi.org/10.1613/jair.616

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