A Bayesian Optimization-based adversarial framework that selects frames to replace in positive trajectories creates harder contrastive vision negatives and modestly improves VLN navigation performance.
Airbert: In-domain pretraining for vision-and-language navigation,
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Fine-Grained Alignment in Vision-and-Language Navigation through Bayesian Optimization
A Bayesian Optimization-based adversarial framework that selects frames to replace in positive trajectories creates harder contrastive vision negatives and modestly improves VLN navigation performance.