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Lin-Feng Zhang

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Preprint Sep 2026

EvolvingAvatar: Interactive 3D Head Generation That Adapts as Conversations Unfold

Interactive 3D head generation requires coordinated speaking and listening motion that responds to an evolving conversation. Existing generators use incoming observations as context but keep their parameters fixed, leaving conversational patterns unused as a learning signal. We introduce EvolvingAvatar, a causal genera...

Junjie Chen, Fei Wang, Kun Li et al. · 0 citations
Preprint Aug 2026

STEP-OPD: Rethinking Output Targets and Internal Dynamics in On-Policy Distillation for Diffusion Models

STEP-OPD is proposed, an on-policy distillation framework for image generation that extends the student's learning target beyond the teacher and introduces explicit constraints on its internal representation evolution, showing that output extrapolation enables beyond-teacher learning.

Qing-Yan Wei, Guang-Zhao Li, Xiao-Bing Tu et al. · 1 citation
Preprint Aug 2026

Unlocking the Potential of Image Editing via Concept Scaling and Dense Supervision

A comprehensive hierarchical taxonomy featuring over 1,000 fine-grained edit concepts is established and a dense supervision training strategy that synthesizes multiple non-interfering concepts into single image pairs is proposed that significantly enhances both training efficiency and overall model performance.

Long Cui, Xiao-Qian Liu, Qi Qin et al. · 0 citations
Jul 2026

EgoGenesis: Egocentric World-Action Modeling with Online Anchored Projective Memory and Action-3D RoPE

Method, an egocentric world-action simulator that synthesizes controllable, high-quality manipulation videos to expand scarce real-world training data, is presented, demonstrating that the synthesized data substantially improve downstream WAM generalization.

Zexuan Yan, Yuzhou Wu, Yue Ma et al. · 0 citations

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