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Sim-to-Real Transfer via 3D Feature Fields for Vision-and-Language Navigation

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arxiv 2406.09798 v3 pith:YZIKPN5Q submitted 2024-06-14 cs.RO cs.CV

Sim-to-Real Transfer via 3D Feature Fields for Vision-and-Language Navigation

classification cs.RO cs.CV
keywords monocularnavigationpanoramicrobotsenvironmentssim-to-realtransferagent
verification ladder T0 review T1 audit T2 compute T3 formal T4 reserved
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Vision-and-language navigation (VLN) enables the agent to navigate to a remote location in 3D environments following the natural language instruction. In this field, the agent is usually trained and evaluated in the navigation simulators, lacking effective approaches for sim-to-real transfer. The VLN agents with only a monocular camera exhibit extremely limited performance, while the mainstream VLN models trained with panoramic observation, perform better but are difficult to deploy on most monocular robots. For this case, we propose a sim-to-real transfer approach to endow the monocular robots with panoramic traversability perception and panoramic semantic understanding, thus smoothly transferring the high-performance panoramic VLN models to the common monocular robots. In this work, the semantic traversable map is proposed to predict agent-centric navigable waypoints, and the novel view representations of these navigable waypoints are predicted through the 3D feature fields. These methods broaden the limited field of view of the monocular robots and significantly improve navigation performance in the real world. Our VLN system outperforms previous SOTA monocular VLN methods in R2R-CE and RxR-CE benchmarks within the simulation environments and is also validated in real-world environments, providing a practical and high-performance solution for real-world VLN.

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Forward citations

Cited by 10 Pith papers

Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score.

  1. Joint On-and-Off Policy Learning for Vision-and-Language Navigation

    cs.RO 2026-07 conditional novelty 6.0

    JOP-VLN combines DAgger imitation learning with GRPO reinforcement learning, using high-entropy trajectory filtering and error-correction prioritization, achieving 69.9% SR on R2R Val-Unseen.

  2. Goal2Pixel: Grounding Goals to Pixels for Vision-Language Navigation

    cs.CV 2026-06 unverdicted novelty 6.0

    Goal2Pixel grounds VLN-CE goals to image pixels via VLM prediction plus keyframe memory, reaching 54.1% SR on R2R-CE Val-Unseen with 7.75 calls per episode versus 46.62 for action prediction.

  3. GA-VLN: Geometry-Aware BEV Representation for Efficient Vision-Language Navigation

    cs.CV 2026-05 unverdicted novelty 6.0

    GA-VLN builds a geometry-aware BEV representation from RGB-D inputs plus 3D foundation model features to deliver state-of-the-art vision-language navigation using only navigation data.

  4. SpaAct: Spatially-Activated Transition Learning with Curriculum Adaptation for Vision-Language Navigation

    cs.CV 2026-04 unverdicted novelty 6.0

    SpaAct activates spatial awareness in VLMs using action retrospection, future frame prediction, and progressive curriculum learning to reach SOTA on VLN-CE benchmarks.

  5. Structured Observation Language for Efficient and Generalizable Vision-Language Navigation

    cs.CV 2026-03 conditional novelty 6.0

    SOL-Nav encodes RGB-D observations as grid-organized text and uses a 0.6B text-embedding model with four classification heads to predict navigation action blocks, reporting SOTA/comparable R2R-CE/RxR-CE results with 1...

  6. Efficient-VLN: A Simple yet Strong Baseline for Efficient Vision-Language Navigation

    cs.CV 2025-12 reject novelty 6.0

    The submitted abstract, the paper body, and the conclusion report incompatible headline results (73.2/75.6, 64.2/67.0, and 62.3/64.5 SR on R2R-CE/RxR-CE), so the claimed state of the art is not internally consistent.

  7. Progress-Think: Semantic Progress Reasoning for Vision-Language Navigation

    cs.RO 2025-11 unverdicted novelty 6.0

    Semantic progress reasoning predicts instruction-style advancement from visual history to guide policies, yielding state-of-the-art success and efficiency on R2R-CE and RxR-CE.

  8. Uni-NaVid: A Video-based Vision-Language-Action Model for Unifying Embodied Navigation Tasks

    cs.RO 2024-12 unverdicted novelty 6.0

    Uni-NaVid unifies diverse embodied navigation tasks into one video-based vision-language-action model trained on 3.6 million samples from four sub-tasks, achieving state-of-the-art performance on benchmarks and real-w...

  9. MemVLN: Episodic and Procedural Memory for Vision-and-Language Navigation

    cs.CV 2026-07 conditional novelty 5.0

    Pyramidal multi-resolution visual memory plus single-token mid-level actions let a 4B–8B VLM navigate continuous indoor environments at 14 FPS with SOTA R2R/RxR success rates.

  10. FutureNav: Unified World-Action Modeling for Vision-and-Language Navigation

    cs.RO 2026-06 unverdicted novelty 5.0

    FutureNav proposes a 4B-scale VLM that jointly optimizes action prediction, inverse/forward dynamics, and future state generation for VLN and reports SOTA results on multiple benchmarks.