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Song-Hua Liu

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#natural language process... Preprint Oct 2026

Agentic University: Collaborative Agents for Personalized Learning

Large language models support personalized tutoring, content generation, and adaptive learning paths. However, capability development requires these resources and interactions to form a coherent learning process that evolves with the learner. A central challenge is to align goals, activities, and assessment while using...

Jing-Ru Fan, Tian-Le Zhou, Yu-Jie Zhou et al. · 0 citations
Preprint Sep 2026

Structured Residual Connectivity Matters for Diffusion Transformers

Diffusion Transformers (DiTs) have established themselves as a scalable backbone for high-fidelity image synthesis. However, unlike U-Net based diffusion models that rely on rigid, hand-crafted skip connections, DiTs predominantly use a uniform residual stream that integrates all preceding layers as a monolithic state....

Yu-He Liu, Xinyin Ma, Gongfan Fang et al. · 0 citations
Preprint Oct 2026

Backend-Agnostic Sparse Attention for Fast High-Resolution Visual Generation

Diffusion Transformers (DiTs) have achieved strong performance in image and video generation, but the quadratic complexity of full attention makes high-resolution generation computationally expensive. Window attention offers an efficient alternative, yet existing methods face a practical trade-off: partitioned window a...

Liao Ma, Jia-Yi Song, Yun-Feng Wu et al. · 0 citations
Preprint Sep 2026

Streaming Video Editing with Easy Adaptation

This paper proposes SVEET, a framework that requires merely training on a pretrained bidirectional video diffusion model but supports high-quality streaming video editing in an auto-regressive fashion and proposes a decoupled training scheme that explicitly enforces the orthogonality between the optimization directions...

Yu-Jia Hu, Jia-Jun Li, Zi-Hao He et al. · 0 citations
Preprint Aug 2026

Staying True to the Origin: Continuous Image Stylization with Smooth Transitions

This paper proposes a simple yet effective two-stage training strategy along with a style-strength-aware spline formulation to enable modern Diffusion Transformer-based multi-reference editing models to faithfully preserve the semantic structure of the content image, render strong stylization effects, and smoothly tran...

Rui Xu, Han-Mo Zhang, Song-Hua Liu · 0 citations
Preprint Aug 2026

ABSeeker: Training Long-Horizon Search Agents via Answer-Backtracked Credit Assignment

Answer-Backtracked Credit Assignment (ABC) is proposed, a fine-grained credit assignment framework for training long-horizon search agents by converting sparse trajectory-level outcomes into dense step-level supervision that rewards useful actions (even in failed trajectories) while suppressing erroneous or redundant a...

Yi-Jun Lu, Rui Ye, Jia-Jun Wang et al. · 1 citation
Preprint Aug 2026

Bend the Basics: Degradation-Aware Deformable Tokenization for All-in-One Image Restoration

FIT employs a lightweight Degradation Encoder to predict a global degradation vector and a spatial degradation map from local degradation severity, which jointly condition the patch embedding and unembedding through adaptive deformation, and introduces a task-token dropout strategy that regularizes task conditioning du...

Zi-Hao He, Yunfeng Wu, Xinchao Wang et al. · 0 citations
Preprint Aug 2026

EDITBRIDGE: Towards Faithful and Efficient Ultra-High-Resolution Image Editing

This work proposes EditBridge, a diffusion bridge framework for efficient ultra high-resolution editing that achieves high-fidelity editing with superior perceptual quality at resolutions up to 4K, delivering 3.6--8.4$\times$ speedup at 2K and enabling practical 4K editing in 61 seconds.

Jia-Yi Song, Shijie Huang, Fang-Tai Wu et al. · 1 citation · ⚡1

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