Author

Wei-Ren Cai

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Preprint Oct 2026

SimpleVLN: Towards Simple and Frontier Vision-Language Navigation

Vision-and-Language Navigation (VLN) requires embodied agents to ground language in visual observations and make long-horizon decisions. Existing methods often address these demands through task-specific architectures. As multimodal large language models (MLLMs) become increasingly capable, an important question remain...

Ling-Yi Hong, Wei-Ren Cai, Jia-Yu Chen et al. · 0 citations

Preprint Sep 2026

MINT: A Unified Model for World-Space Camera and Hand Motion Estimation from Scalable Egocentric Pipeline Supervision

This work introduces MINT (Minting IN-the-Wild Trajectories), a foundation model for world-space hand motion reconstruction from ego-centric RGB video and develops an open-source labeling EGOPIPELINE that converts large collections of public egocentric videos into structured camera-and-hand trajectory supervision.

Zi-Jie Zhu, Wei-Ren Cai, Yi-Zhou Wang et al. · 3 citations