collaborators

14 papers

cs.CV2026

ChatUMM: Robust Context Tracking for Conversational Interleaved Generation

Wenxun Dai, Zhiyuan Zhao, Yule Zhong +12

Unified multimodal models (UMMs) have achieved remarkable progress yet remain constrained by a single-turn interaction paradigm, effectively functioning as solvers for independent…

cs.CV2026

Refinement via Regeneration: Enlarging Modification Space Boosts Image Refinement in Unified Multimodal Models

Jiayi Guo, Linqing Wang, Jiangshan Wang +6

Unified multimodal models (UMMs) integrate visual understanding and generation within a single framework. For text-to-image (T2I) tasks, this unified capability allows UMMs to refi…

cs.CV2026

Meta-CoT: Enhancing Granularity and Generalization in Image Editing

Shiyi Zhang, Yiji Cheng, Tiankai Hang +8

Unified multi-modal understanding/generative models have shown improved image editing performance by incorporating fine-grained understanding into their Chain-of-Thought (CoT) proc…

cs.CV2026

Pref-GRPO: Pairwise Preference Reward-based GRPO for Stable Text-to-Image Reinforcement Learning

Yibin Wang, Zhimin Li, Yuhang Zang +6

Recent advancements highlight the importance of GRPO-based reinforcement learning methods and benchmarking in enhancing text-to-image (T2I) generation. However, current methods usi…

cs.LG2026

SOAR: Self-Correction for Optimal Alignment and Refinement in Diffusion Models

You Qin, Linqing Wang, Hao Fei +4

The post-training pipeline for diffusion models currently has two stages: supervised fine-tuning (SFT) on curated data and reinforcement learning (RL) with reward models. A fundame…

cs.LG2026

Hierarchical SVG Tokenization: Learning Compact Visual Programs for Scalable Vector Graphics Modeling

Ximing Xing, Ziteng Xue, Zhenxi Li +8

Recent large language models have shifted SVG generation from differentiable rendering optimization to autoregressive program synthesis. However, existing approaches still rely on…