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Chengzhuo Tong

6 accepted papers

2026

CoF-T2I: Video Models as Pure Visual Reasoners for Text-to-Image Generation

ICML 2026poster

Recent video generation models have revealed the emergence of Chain-of-Frame (CoF) reasoning, enabling frame-by-frame visual inference. With this capability, video models have been successfully applied to various visual tasks (*e.g.*, maze solving, visual puzzles). However, their potential to enhanc…

Cited by 0SourceScholar
2026

RealUnify: Do Unified Models Truly Benefit from Unification? A Comprehensive Benchmark

CVPR 2026

The integration of visual understanding and generation into unified multimodal models represents a significant stride toward general-purpose AI. However, a fundamental question remains unanswered by existing benchmarks: does this architectural unification actually enable synergetic interaction betwe

Cited by 0SourcecodeScholar
2026

Scone: Bridging Composition and Distinction in Subject-Driven Image Generation via Unified Understanding-Generation Modeling

CVPR 2026

Subject-driven image generation has advanced from single- to multi-subject composition, while neglecting distinction, the ability to distinguish and generate the correct subject when inputs contain multiple candidates. This limitation restricts effectiveness in complex, realistic visual settings. We

Cited by 0SourcecodeScholar
2025

Delving into RL for Image Generation with CoT: A Study on DPO vs. GRPO

NeurIPS 2025poster

Recent advancements underscore the significant role of Reinforcement Learning (RL) in enhancing the Chain-of-Thought (CoT) reasoning capabilities of large language models (LLMs). Two prominent RL algorithms, Direct Preference Optimization (DPO) and Group Relative Policy Optimization (GRPO), are cent…

Cited by 0SourcecodeScholar
2025

Let's Verify and Reinforce Image Generation Step by Step

CVPR 2025poster

Chain-of-Thought (CoT) reasoning has been extensively explored in large models to tackle complex understanding tasks. However, it still remains an open question whether such strategies can be applied to verifying and reinforcing image generation scenarios. In this paper, we provide the first compreh…

2025

MAVIS: Mathematical Visual Instruction Tuning with an Automatic Data Engine

ICLR 2025poster

Multi-modal Large Language Models (MLLMs) have recently showcased superior proficiency in general visual scenarios. However, we identify their mathematical capabilities remain under-explored with three areas to be improved: visual encoding of math diagrams, diagram-language alignment, and chain-of-t…