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Large-scale generative models have shown impressive image-generation capabilities, propelled by massive data. However, this often inadvertently leads to the generation of harmful or inappropriate content and raises copyright concerns.…

Machine Learning · Computer Science 2025-03-11 Myeongseob Ko , Henry Li , Zhun Wang , Jonathan Patsenker , Jiachen T. Wang , Qinbin Li , Ming Jin , Dawn Song , Ruoxi Jia

In this paper, we introduce ILLUME, a unified multimodal large language model (MLLM) that seamlessly integrates multimodal understanding and generation capabilities within a single large language model through a unified next-token…

Computer Vision and Pattern Recognition · Computer Science 2024-12-10 Chunwei Wang , Guansong Lu , Junwei Yang , Runhui Huang , Jianhua Han , Lu Hou , Wei Zhang , Hang Xu

Despite the recent advancements in Large Language Models (LLMs), which have significantly enhanced the generative capabilities for various NLP tasks, LLMs still face limitations in directly handling retrieval tasks. However, many practical…

Computation and Language · Computer Science 2024-10-03 Jintian Zhang , Cheng Peng , Mengshu Sun , Xiang Chen , Lei Liang , Zhiqiang Zhang , Jun Zhou , Huajun Chen , Ningyu Zhang

Latent diffusion models (LDM) have revolutionized text-to-image generation, leading to the proliferation of various advanced models and diverse downstream applications. However, despite these significant advancements, current diffusion…

Computer Vision and Pattern Recognition · Computer Science 2024-11-27 Jiacheng Zhang , Jie Wu , Yuxi Ren , Xin Xia , Huafeng Kuang , Pan Xie , Jiashi Li , Xuefeng Xiao , Weilin Huang , Shilei Wen , Lean Fu , Guanbin Li

The remarkable success of Large Language Models (LLMs) has extended to the multimodal domain, achieving outstanding performance in image understanding and generation. Recent efforts to develop unified Multimodal Large Language Models…

Computer Vision and Pattern Recognition · Computer Science 2024-12-13 Hao Li , Changyao Tian , Jie Shao , Xizhou Zhu , Zhaokai Wang , Jinguo Zhu , Wenhan Dou , Xiaogang Wang , Hongsheng Li , Lewei Lu , Jifeng Dai

Recent works on large language models (LLMs) have successfully demonstrated the emergence of reasoning capabilities via reinforcement learning (RL). Although recent efforts leverage group relative policy optimization (GRPO) for MLLMs…

Computation and Language · Computer Science 2025-06-18 Shilin Xu , Yanwei Li , Rui Yang , Tao Zhang , Yueyi Sun , Wei Chow , Linfeng Li , Hang Song , Qi Xu , Yunhai Tong , Xiangtai Li , Hao Fei

Reinforcement learning (RL) has improved guided image generation with diffusion models by directly optimizing rewards that capture image quality, aesthetics, and instruction following capabilities. However, the resulting generative policies…

Computer Vision and Pattern Recognition · Computer Science 2024-06-25 Owen Oertell , Jonathan D. Chang , Yiyi Zhang , Kianté Brantley , Wen Sun

Unified Multimodal Models (UMMs) integrate both visual understanding and generation within a single framework. Their ultimate aspiration is to create a cycle where understanding and generation mutually reinforce each other. While recent…

Computer Vision and Pattern Recognition · Computer Science 2026-05-26 Zihan Su , Hongyang Wei , Kangrui Cen , Yong Wang , Guanhua Chen , Chun Yuan , Xiangxiang Chu

Instruction-guided image editing has achieved remarkable progress, yet current models still face challenges with complex instructions and often require multiple samples to produce a desired result. Reinforcement Learning (RL) offers a…

Computer Vision and Pattern Recognition · Computer Science 2026-02-03 Xin Luo , Jiahao Wang , Chenyuan Wu , Shitao Xiao , Xiyan Jiang , Defu Lian , Jiajun Zhang , Dong Liu , Zheng liu

Large Language Models (LLMs) excel in various natural language processing tasks, but leveraging them for dense passage embedding remains challenging. This is due to their causal attention mechanism and the misalignment between their…

Computation and Language · Computer Science 2024-08-08 Hieu Man , Nghia Trung Ngo , Franck Dernoncourt , Thien Huu Nguyen

Recent advancements in multimodal foundation models have yielded significant progress in vision-language understanding. Initial attempts have also explored the potential of multimodal large language models (MLLMs) for visual content…

Computer Vision and Pattern Recognition · Computer Science 2024-10-22 Rongyao Fang , Chengqi Duan , Kun Wang , Hao Li , Hao Tian , Xingyu Zeng , Rui Zhao , Jifeng Dai , Hongsheng Li , Xihui Liu

Instruction-based image editing has achieved remarkable progress; however, models solely trained via supervised fine-tuning often overfit to annotated patterns, hindering their ability to explore and generalize beyond training…

Computer Vision and Pattern Recognition · Computer Science 2025-11-05 Zongjian Li , Zheyuan Liu , Qihui Zhang , Bin Lin , Feize Wu , Shenghai Yuan , Zhiyuan Yan , Yang Ye , Wangbo Yu , Yuwei Niu , Shaodong Wang , Xinhua Cheng , Li Yuan

In this paper, we introduce OneReward, a unified reinforcement learning framework that enhances the model's generative capabilities across multiple tasks under different evaluation criteria using only \textit{One Reward} model. By employing…

Computer Vision and Pattern Recognition · Computer Science 2025-08-29 Yuan Gong , Xionghui Wang , Jie Wu , Shiyin Wang , Yitong Wang , Xinglong Wu

Currently, the success of large language models (LLMs) illustrates that a unified multitasking approach can significantly enhance model usability, streamline deployment, and foster synergistic benefits across different tasks. However, in…

Computer Vision and Pattern Recognition · Computer Science 2025-10-03 Bin Xia , Yuechen Zhang , Jingyao Li , Chengyao Wang , Yitong Wang , Xinglong Wu , Bei Yu , Jiaya Jia

Recent advances in image editing models have shown remarkable progress. A common architectural design couples a multimodal large language model (MLLM) encoder with a diffusion decoder, as seen in systems such as Step1X-Edit and…

Computer Vision and Pattern Recognition · Computer Science 2025-12-02 Fukun Yin , Shiyu Liu , Yucheng Han , Zhibo Wang , Peng Xing , Rui Wang , Wei Cheng , Yingming Wang , Aojie Li , Zixin Yin , Pengtao Chen , Xiangyu Zhang , Daxin Jiang , Xianfang Zeng , Gang Yu

With the recent success of the pre-training technique for NLP and image-linguistic tasks, some video-linguistic pre-training works are gradually developed to improve video-text related downstream tasks. However, most of the existing…

Computer Vision and Pattern Recognition · Computer Science 2020-09-16 Huaishao Luo , Lei Ji , Botian Shi , Haoyang Huang , Nan Duan , Tianrui Li , Jason Li , Taroon Bharti , Ming Zhou

We propose a method to fuse frozen text-only large language models (LLMs) with pre-trained image encoder and decoder models, by mapping between their embedding spaces. Our model demonstrates a wide suite of multimodal capabilities: image…

Computation and Language · Computer Science 2023-10-16 Jing Yu Koh , Daniel Fried , Ruslan Salakhutdinov

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 refine outputs after their initial generation, potentially…

Computer Vision and Pattern Recognition · Computer Science 2026-04-29 Jiayi Guo , Linqing Wang , Jiangshan Wang , Yang Yue , Zeyu Liu , Zhiyuan Zhao , Qinglin Lu , Gao Huang , Chunyu Wang

Unified multimodal models (UMMs) that integrate understanding, reasoning, generation, and editing face inherent trade-offs between maintaining strong semantic comprehension and acquiring powerful generation capabilities. In this report, we…

Recently, Large Vision Language Models (LVLMs) have unlocked many complex use cases that require Multi-Modal (MM) understanding (e.g., image captioning or visual question answering) and MM generation (e.g., text-guided image generation or…

Information Retrieval · Computer Science 2025-03-11 Sahel Sharifymoghaddam , Shivani Upadhyay , Wenhu Chen , Jimmy Lin