QRPos: Indoor positioning system for self-balancing robots based on QR codes

Grigori Goronzy, Mathias Pelka, Horst Hellbrück

Abstract

Localization systems for mobile robots are a tradeoff between accuracy, robustness and costs. Current solutions for landmark based indoor localization are either expensive or inaccurate and unreliable. Accurate solutions for instance require costly infrastructure and/or high computational power. Additionally, self-balancing robots have particular challenges due to the unstable nature of the system. In this work, we design and develop an accurate landmark-based positioning system (QRPos) with low computational requirements that is based on QR codes mounted on the ceiling. Extended QR codes are recorded with a standard low-cost camera and are extracted and decoded with low computational requirements. Self-localization is implemented with 3D pose estimation based solely on camera data to allow for inexpensive positioning with arbitrary camera orientations. We evaluate QRPos by simulation and experiments with a lowend embedded camera against a baseline approach that is not capable of handling arbitrary camera orientations. We find that QRPos estimates pose with satisfactory accuracy and achieves positioning accuracy and robustness suitable for self-balancing robots.

OriginalspracheEnglisch
Titel2016 International Conference on Indoor Positioning and Indoor Navigation (IPIN)
Herausgeber (Verlag)IEEE
Erscheinungsdatum14.11.2016
Aufsatznummer7743616
ISBN (Print)978-1-5090-2426-1, 978-1-5090-2424-7
ISBN (elektronisch)978-1-5090-2425-4
DOIs
PublikationsstatusVeröffentlicht - 14.11.2016
Veranstaltung2016 International Conference on Indoor Positioning and Indoor Navigation - Alcala de Henares, Madrid, Spanien
Dauer: 04.10.201607.10.2016
Konferenznummer: 124865

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