Author

Yihan Li

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#artificial intelligence Preprint Sep 2026

Credit-Guided Policy Improvement for Test-time Adaptive Vision-Language Navigation

Credit-Guided Policy Improvement (CGPI), which recovers signed, reference-relative decision credit from action-induced observation transitions without external outcome feedback from action-induced observation transitions without external outcome feedback is proposed.

Yang Li, Si-Jia Zhang, Yi-Han Li et al. · 0 citations

Preprint Aug 2026

Unordered Landmark Visual Navigation

Unordered Landmark Visual Navigation (ULVN) is proposed, a unified RGB-only framework free from temporal and odometric priors that constructs a robust 2D topological map directly from unstructured images via calibrated geometric verification and maximum spanning forest refinement.

Hao Ren, Junzhe Zhu, Yihan Li et al. · 0 citations