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Sponsored Artificial Intelligence: A Modern Approach, Global Edition Artificial Intelligence: A Modern Approach, Global Edition

Author

Hshmat Sahak

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2 papers indexed here

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Preprint Sep 2026

SPARROW: Survival-POMCP for Adaptive Robot Routing, Observation, and Waiting

Temporary obstacles that may block a robot's planned route create a sequential navigation problem: a robot must decide whether to wait for a blockage to clear, reroute, or acquire more information about the obstacle before acting. We formulate graph navigation among temporary obstacles as a partially observable semi-Ma...

Hshmat Sahak, Ao-Ran Jiao, Nicholas Rhinehart et al. · 0 citations
Preprint Sep 2026

PIVOT: Physically Informed Vision-Language Off-Road Traversability for Field Robot Navigation

Terrain assessment is a critical capability for off-road mobile robots, enabling safe and reliable navigation through unstructured and geometrically complex environments. Conventional geometry-based terrain assessment is fast to compute but often overly conservative in unstructured environments. We present PIVOT: a Phy...

Ao-Ran Jiao, Wen-Da Zhao, Hshmat Sahak et al. · 0 citations

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