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Beyond the Remembered World: Predictive 4D Belief for Persistent Navigation in Evolving Worlds

The paper introduces EvolvingNav, a method for persistent navigation in environments where targets may move when unobserved. It uses a time-indexed belief system to track object histories and update location hypotheses based on visual evidence and temporal patterns. The approach improves navigation success and search efficiency compared to existing methods.

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PublishedSeptember 30, 2026Mingjian Gao, Zhaocheng Li, Haoyang Huang
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WHY IT MAY MATTER

This approach enhances navigation in dynamic environments by incorporating temporal reasoning and uncertainty preservation, making it suitable for real-world applications where objects move unpredictably.

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