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Yujuan Ding

المنشورات 3

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GeoLatent: Geometry-Guided Latent Structuring with Routed Optimization for 3D Reasoning

Yakun Zhu, Yi Bin, Yujuan Ding وآخرون · 2026

Despite progress in vision-language models, 3D spatial reasoning from 2D images remains challenging. Text-based methods describe intermediate geometry with discrete tokens, limiting fidelity for continuous spatial relations. Continuous latents offer richer representations, but a single latent type does not explicitly s …

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GeoAAC: Geometry-Based Adaptive Action Chunking from Denoising Trajectories in VLA Policies

Xin Chen, Sen Chen, Yujuan Ding وآخرون · 2026

Action chunking is widely used for action generation and execution in Vision-Language-Action (VLA) policies, yet existing approaches commonly use a fixed action horizon. During a rollout, different task stages may require different levels of action continuity, control precision, and closed-loop feedback, making a fixed …

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