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Deep Learning Traversability Estimator for Mobile Robots in Unstructured Environments

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Towards Autonomous Robotic Systems (TAROS 2021)

Part of the book series: Lecture Notes in Computer Science ((LNAI,volume 13054))

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Abstract

Terrain traversability analysis plays a major role in ensuring safe robotic navigation in unstructured environments. However, real-time constraints frequently limit the accuracy of online tests especially in scenarios where realistic robot-terrain interactions are complex to model. In this context, we propose a deep learning framework trained in an end-to-end fashion from elevation maps and trajectories to estimate the occurrence of failure events. The network is first trained and tested in simulation over synthetic maps generated by the OpenSimplex algorithm. The prediction performance of the Deep Learning framework is illustrated by being able to retain over \(94\%\) recall of the original simulator at \(30\%\) of the computational time. Finally, the network is transferred and tested on real elevation maps collected by the SEEKER consortium during the Martian rover test trial in the Atacama desert in Chile. We show that transferring and fine-tuning of an application-independent pre-trained model retains better performance than training uniquely on scarcely available real data.

This work has been carried out within the framework of the EUROfusion Consortium and has received funding from the Euratom research and training programme under grant agreement No. 633053. The views and opinions expressed herein do not necessarily reflect those of the European Commission. The authors are grateful to the Autonomous Systems Group of RAL SPACE for providing the SEEKER dataset.

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Correspondence to Marco Visca .

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Visca, M., Kuutti, S., Powell, R., Gao, Y., Fallah, S. (2021). Deep Learning Traversability Estimator for Mobile Robots in Unstructured Environments. In: Fox, C., Gao, J., Ghalamzan Esfahani, A., Saaj, M., Hanheide, M., Parsons, S. (eds) Towards Autonomous Robotic Systems. TAROS 2021. Lecture Notes in Computer Science(), vol 13054. Springer, Cham. https://doi.org/10.1007/978-3-030-89177-0_22

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  • DOI: https://doi.org/10.1007/978-3-030-89177-0_22

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  • Publisher Name: Springer, Cham

  • Print ISBN: 978-3-030-89176-3

  • Online ISBN: 978-3-030-89177-0

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