Unified Multimodal Understanding and Generation Models: Advances, Challenges, and Opportunities
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arXiv
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| Autori principali: | , , , , , , , , , , , |
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| Natura: | Preprint |
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2025
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| author | Zhao, Shanshan Zhang, Xinjie Guo, Jintao Hu, Jiakui Duan, Lunhao Fu, Minghao Chng, Yong Xien Wang, Guo-Hua Chen, Qing-Guo Xu, Zhao Luo, Weihua Zhang, Kaifu |
| author_facet | Zhao, Shanshan Zhang, Xinjie Guo, Jintao Hu, Jiakui Duan, Lunhao Fu, Minghao Chng, Yong Xien Wang, Guo-Hua Chen, Qing-Guo Xu, Zhao Luo, Weihua Zhang, Kaifu |
| contents | Recent years have seen remarkable progress in both multimodal understanding models and image generation models. Despite their respective successes, these two domains have evolved independently, leading to distinct architectural paradigms: While autoregressive-based architectures have dominated multimodal understanding, diffusion-based models have become the cornerstone of image generation. Recently, there has been growing interest in developing unified frameworks that integrate these tasks. The emergence of GPT-4o's new capabilities exemplifies this trend, highlighting the potential for unification. However, the architectural differences between the two domains pose significant challenges. To provide a clear overview of current efforts toward unification, we present a comprehensive survey aimed at guiding future research. First, we introduce the foundational concepts and recent advancements in multimodal understanding and text-to-image generation models. Next, we review existing unified models, categorizing them into three main architectural paradigms: diffusion-based, autoregressive-based, and hybrid approaches that fuse autoregressive and diffusion mechanisms. For each category, we analyze the structural designs and innovations introduced by related works. Additionally, we compile datasets and benchmarks tailored for unified models, offering resources for future exploration. Finally, we discuss the key challenges facing this nascent field, including tokenization strategy, cross-modal attention, and data. As this area is still in its early stages, we anticipate rapid advancements and will regularly update this survey. Our goal is to inspire further research and provide a valuable reference for the community. The references associated with this survey are available on GitHub (https://github.com/AIDC-AI/Awesome-Unified-Multimodal-Models). |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2505_02567 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | Unified Multimodal Understanding and Generation Models: Advances, Challenges, and Opportunities Zhao, Shanshan Zhang, Xinjie Guo, Jintao Hu, Jiakui Duan, Lunhao Fu, Minghao Chng, Yong Xien Wang, Guo-Hua Chen, Qing-Guo Xu, Zhao Luo, Weihua Zhang, Kaifu Computer Vision and Pattern Recognition Recent years have seen remarkable progress in both multimodal understanding models and image generation models. Despite their respective successes, these two domains have evolved independently, leading to distinct architectural paradigms: While autoregressive-based architectures have dominated multimodal understanding, diffusion-based models have become the cornerstone of image generation. Recently, there has been growing interest in developing unified frameworks that integrate these tasks. The emergence of GPT-4o's new capabilities exemplifies this trend, highlighting the potential for unification. However, the architectural differences between the two domains pose significant challenges. To provide a clear overview of current efforts toward unification, we present a comprehensive survey aimed at guiding future research. First, we introduce the foundational concepts and recent advancements in multimodal understanding and text-to-image generation models. Next, we review existing unified models, categorizing them into three main architectural paradigms: diffusion-based, autoregressive-based, and hybrid approaches that fuse autoregressive and diffusion mechanisms. For each category, we analyze the structural designs and innovations introduced by related works. Additionally, we compile datasets and benchmarks tailored for unified models, offering resources for future exploration. Finally, we discuss the key challenges facing this nascent field, including tokenization strategy, cross-modal attention, and data. As this area is still in its early stages, we anticipate rapid advancements and will regularly update this survey. Our goal is to inspire further research and provide a valuable reference for the community. The references associated with this survey are available on GitHub (https://github.com/AIDC-AI/Awesome-Unified-Multimodal-Models). |
| title | Unified Multimodal Understanding and Generation Models: Advances, Challenges, and Opportunities |
| topic | Computer Vision and Pattern Recognition |
| url | https://arxiv.org/abs/2505.02567 |