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Author

Tianyi Wei

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Preprint Oct 2026

ThinkDrag: Semantic Drag-Based Image Editing with Visual Reasoning

Drag-based image editing provides an intuitive interface for spatially controlled image manipulation by allowing users to specify handle and target points. Existing methods have made substantial progress through optimization-based, one-step, and feed-forward formulations, but they often interpret drag instructions as g...

Armando Fortes, Tian-Yi Wei, Chindanai Trakantannarong et al. · 0 citations
Preprint Aug 2026

HPSD: Hybrid-Policy Self-Distillation for Text-Image-to-Video Diffusion Models

This work proposes Hybrid-Policy Self-Distillation (HPSD), a novel self-distillation framework where a single TI2V model acts as both teacher and student under different conditions: the teacher operates in TI2V mode with a high-quality first frame and an enhanced prompt, while the student runs in the base T2V mode with...

Jia-Zi Bu, Peng-Yang Ling, Yu-Jie Zhou et al. · 2 citations
Jun 2026

The Surprising Effectiveness of Video Diffusion Models for Hand Motion Reconstruction

4D hand motion reconstruction from egocentric video is bottlenecked by clear limitations of existing methods: image-based pipelines depend on a detector that fails under heavy occlusion, while video-based methods rely on temporal modules learned only from scarce hand-pose annotations, a narrow signal insufficient to mo...

Yuxi Wang, Chengkai Jin, Yufei Liu et al. · 1 citation · ⚡1

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