Author

Jun-Yi Hu

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Preprint Sep 2026

CST-WM: A Causally Structured World Model for Embodied Visual Tracking

Embodied visual tracking requires a robot not only to react to the current view, but to choose actions that preserve or recover future evidence of a moving target under ego-motion, occlusion, and distractors. It is therefore a predictive decision problem over future target observability and apparent scale. A central di...

Jun-Yi Hu, Shuaihang Yuan, Yi Fang · 0 citations

#computer vision Preprint Sep 2026

SignDino: Self-Supervised Sign Language Representation Learning via Temporal-Axis Self-Distillation

SignDino, a self-supervised sign-video encoder that moves the DINOv3 student--teacher recipe from the spatial domain of image crops to the temporal domain of tracked sign streams, provides a strong public self-supervised representation and shows competitive or state-of-the-art performance under matched downstream evalu...

Jun-Yi Hu, Zhe-Wen He, Hao Huang et al. · 0 citations

Jul 2026

VTaMo: Video-Text Alignment Model for Sign Language Translation

VTaMo is presented, a framework that introduces explicit multi-granularity alignment at three levels: local alignment via entropy-regularized optimal transport with a learnable null token for fine-grained frame-to-token correspondences; global alignment via a learnable orthogonal transformation that calibrates embeddin...

Junyi Hu, Zhewen He, Hao Huang et al. · arXiv.org · 0 citations