Distilling Global Traversability Priors for Image-based Affordance Prediction in Off-road Environments

Abstract:Standard methods for autonomous navigation in unstructured terrain are prone to myopic behaviors in long-horizon scenarios. The use of metric maps built from LiDAR or cameras provides necessary local geometry and semantic information but is strictly limited by depth sensing range. By discarding data beyond the mapping horizon robots suffer from suboptimal, short-sighted decisions. To recover this lost information, we focus on extracting long-range traversability-aware frontiers directly from first-person-view (FPV) images. By leveraging satellite imagery, we compute the set of feasible navigation paths for a dataset of image/pose pairs and use them to supervise our network, reducing the need for extensive human demonstration data. We demonstrate that this approach improves performance in long-range off-road navigation over existing methods by more than 10% in various offline benchmarks and reduces the number of human interventions incurred in a set of real-world experiments. More details can be found at this https URL .

Robotics (cs.RO)

arXiv:2607.17984 [cs.RO]

(or arXiv:2607.17984v1 [cs.RO] for this version)

https://doi.org/10.48550/arXiv.2607.17984 Focus to learn more arXiv-issued DOI via DataCite (pending registration)

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