FlowDec: Temporal Conditional Flow Decorruptor for Robust Continuous Vision-Language Navigation
Vision-and-Language Navigation in Continuous Environments (VLN-CE) requires agents to follow natural-language instructions in unseen scenes. While Large Models (LMs) have advanced VLN-CE, their performance remains severely degraded by real-world visual corruptions, a critical yet underexplored domain constraint. We introduce Temporal Conditional Flow Decorruptor (FlowDec), a novel image restoration framework tailored for LM-based VLN-CE. FlowDec integrates a hybrid temporal conditioning strategy to align the generative flow path with historical context and employs action-centroid guided filtering to dynamically assess and integrate outputs. Extensive experiments demonstrate that FlowDec o...
| Authors | Yufei Zhang, Changhao Chen |
|---|---|
| Primary category | cs.CV |
| Published | 21 June 2026 |
| Last updated at source | 17 August 2026 |
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