Author

Xinrui Lin

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Preprint Oct 2026

FocusOPD: Structure-Guided On-Policy Distillation for Diffusion Models

Multi-teacher on-policy distillation enables rectified-flow models with diffusion-transformer architectures to combine task-specific capabilities within a single student. However, matching model outputs does not guarantee that their internal representations are aligned, and it remains unclear where and when additional...

Xin-Rui Lin, Shu-Min Wang, Su-Qi Song et al. · 0 citations

Preprint Aug 2026

ThinkAfford: Affordance-Centric Reasoning for Fine-Grained 3D Grounding in Cluttered Scenes

This work introduces ThinkAfford, which decouples high-recall affordance proposal generation from instruction-grounded reasoning and outperforming comparable 3D open-vocabulary and vision-language-model-based 2D-to-3D baselines.

Xinrui Lin, Sha Zhang, Shu-Min Wang et al. · 0 citations