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Sim-2-Sim Transfer for Vision-and-Language Navigation in Continuous Environments

2022/04/20 by Jacob Krantz, Krantz, Jacob, Stefan Lee +1 · 28 citations
Computer Science · #Computation and Language (cs.CL) #Computer Vision and Pattern Recognition (cs.CV) #Domain Adaptation and Few-Shot Learning #FOS: Computer and information sciences #Multimodal Machine Learning Applications #Natural Language Processing Techniques #Robotics (cs.RO) #cs.CL #cs.CV #cs.RO

paper · pdf · doi:10.48550/arxiv.2204.09667

Changes: figure compression for accessibility

openalex publication_date 2022/04/20 · arxiv created 2022/04/24 · arxiv updated 2022/04/26 · openalex created_date 2022/04/26 · openalex updated_date 2026/07/28

Abstract

Recent work in Vision-and-Language Navigation (VLN) has presented two environmental paradigms with differing realism -- the standard VLN setting built on topological environments where navigation is abstracted away, and the VLN-CE setting where agents must navigate continuous 3D environments using low-level actions. Despite sharing the high-level task and even the underlying instruction-path data, performance on VLN-CE lags behind VLN significantly. In this work, we explore this gap by transferring an agent from the abstract environment of VLN to the continuous environment of VLN-CE. We find that this sim-2-sim transfer is highly effective, improving over the prior state of the art in VLN-CE by +12% success rate. While this demonstrates the potential for this direction, the transfer does not fully retain the original performance of the agent in the abstract setting. We present a sequence of experiments to identify what differences result in performance degradation, providing clear directions for further improvement.

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