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Medical multi-modal pre-training has revealed promise in computer-aided diagnosis by leveraging large-scale unlabeled datasets. However, existing methods based on masked autoencoders mainly rely on data-level reconstruction tasks, but lack…

Computer Vision and Pattern Recognition · Computer Science 2024-04-10 Yupei Zhang , Li Pan , Qiushi Yang , Tan Li , Zhen Chen

Unified multimodal understanding and generation have recently received much attention in the area of vision and language. Existing UniMs are designed to simultaneously learn both multimodal understanding and generation capabilities,…

Computer Vision and Pattern Recognition · Computer Science 2025-06-09 Jianwen Sun , Yukang Feng , Chuanhao Li , Fanrui Zhang , Zizhen Li , Jiaxin Ai , Sizhuo Zhou , Yu Dai , Shenglin Zhang , Kaipeng Zhang

Sequential Recommender Systems (SRS) aim to predict users' next interaction based on their historical behaviors, while still facing the challenge of data sparsity. With the rapid advancement of Multimodal Large Language Models (MLLMs),…

Information Retrieval · Computer Science 2026-02-17 Mingyao Huang , Qidong Liu , Wenxuan Yang , Moranxin Wang , Yuqi Sun , Haiping Zhu , Feng Tian , Yan Chen

Search and recommendation (S&R) are core to online platforms, addressing explicit intent through queries and modeling implicit intent from behaviors, respectively. Their complementary roles motivate a unified modeling paradigm. Early…

Information Retrieval · Computer Science 2026-01-15 Jujia Zhao , Zihan Wang , Shuaiqun Pan , Suzan Verberne , Zhaochun Ren

Despite significant progress in Unified Multimodal Retrieval (UMR) powered by Large Multimodal Models (LMMs), existing embedding methods primarily focus on sample-level objectives via contrastive learning while overlooking the crucial…

Computer Vision and Pattern Recognition · Computer Science 2026-04-29 Guosheng Zhang , Linkai Liu , Keyao Wang , Haixiao Yue , Zhiwen Tan , Xiao Tan

Unified models (UMs) hold promise for their ability to understand and generate content across heterogeneous modalities. Compared to merely generating visual content, the use of UMs for interleaved cross-modal reasoning is more promising and…

Computer Vision and Pattern Recognition · Computer Science 2026-04-03 Jiachun Jin , Zetong Zhou , Xiao Yang , Hao Zhang , Pengfei Liu , Jun Zhu , Zhijie Deng

Unified Multimodal Models (UMMs) excel in general tasks but struggle to bridge the gap between personalized understanding and generation. Prior works largely rely on implicit token-level alignment via supervised fine-tuning, which fails to…

Computer Vision and Pattern Recognition · Computer Science 2026-05-12 Zijun Shen , Sihan Yang , Ruichuan An , Ziyu Guo , Hao Liang , Ming Lu , Renrui Zhang , Wentao Zhang

Unsupervised image semantic segmentation(UISS) aims to match low-level visual features with semantic-level representations without outer supervision. In this paper, we address the critical properties from the view of feature alignments and…

Computer Vision and Pattern Recognition · Computer Science 2024-12-11 Daoan Zhang , Chenming Li , Haoquan Li , Wenjian Huang , Lingyun Huang , Jianguo Zhang

Multi-modal medical image completion has been extensively applied to alleviate the missing modality issue in a wealth of multi-modal diagnostic tasks. However, for most existing synthesis methods, their inferences of missing modalities can…

Image and Video Processing · Electrical Eng. & Systems 2022-07-08 Xiangxi Meng , Yuning Gu , Yongsheng Pan , Nizhuan Wang , Peng Xue , Mengkang Lu , Xuming He , Yiqiang Zhan , Dinggang Shen

As a powerful way of realizing semi-supervised segmentation, the cross supervision method learns cross consistency based on independent ensemble models using abundant unlabeled images. However, the wrong pseudo labeling information…

Computer Vision and Pattern Recognition · Computer Science 2022-03-16 Yunyang Zhang , Zhiqiang Gong , Xiaohu Zheng , Xiaoyu Zhao , Wen Yao

Unified Multimodal Models (UMMs) exhibit strong understanding, yet this capability often fails to effectively guide generation. We identify this as a Cognitive Gap: the model lacks the understanding of how to enhance its own generation…

Artificial Intelligence · Computer Science 2026-01-29 Zhenchen Tang , Songlin Yang , Zichuan Wang , Bo Peng , Yang Li , Beibei Dong , Jing Dong

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

While Unified Multimodal Models (UMMs) have achieved remarkable success in cross-modal comprehension, a significant gap persists in their ability to leverage such internal knowledge for high-quality generation. We formalize this discrepancy…

Computer Vision and Pattern Recognition · Computer Science 2026-01-09 Ruiyan Han , Zhen Fang , XinYu Sun , Yuchen Ma , Ziheng Wang , Yu Zeng , Zehui Chen , Lin Chen , Wenxuan Huang , Wei-Jie Xu , Yi Cao , Feng Zhao

Large Multimodal Models (LMMs), or Vision-Language Models (VLMs), have shown impressive capabilities in a wide range of visual tasks. However, they often struggle with fine-grained visual reasoning, failing to identify domain-specific…

Computer Vision and Pattern Recognition · Computer Science 2025-02-26 Yucheng Shi , Quanzheng Li , Jin Sun , Xiang Li , Ninghao Liu

In recent years, the need for semantic segmentation has arisen across several different applications and environments. However, the expense and redundancy of annotation often limits the quantity of labels available for training in any…

Computer Vision and Pattern Recognition · Computer Science 2019-09-25 Tarun Kalluri , Girish Varma , Manmohan Chandraker , C V Jawahar

Embodied Vision-Language Models (VLMs) have demonstrated impressive performance and generalization in robotics, particularly within Vision-Language-Action frameworks. However, a significant gap remains between the high-level semantic focus…

Computer Vision and Pattern Recognition · Computer Science 2026-05-28 Ruowen Zhao , Bangguo Li , Zuyan Liu , Yinan Liang , Junliang Ye , Fangfu Liu , Diankun Wu , Zhengyi Wang , Xumin Yu , Yongming Rao , Han Hu , Jun Zhu

Multi-modal image segmentation faces real-world deployment challenges from incomplete/corrupted modalities degrading performance. While existing methods address training-inference modality gaps via specialized per-combination models, they…

Computer Vision and Pattern Recognition · Computer Science 2025-09-22 Xiaoqi Zhao , Youwei Pang , Chenyang Yu , Lihe Zhang , Huchuan Lu , Shijian Lu , Georges El Fakhri , Xiaofeng Liu

In recent times, Vision-Language Models (VLMs) have been trained under two predominant paradigms. Generative training has enabled Multimodal Large Language Models (MLLMs) to tackle various complex tasks, yet issues such as hallucinations…

Computer Vision and Pattern Recognition · Computer Science 2024-11-04 Wei Chow , Juncheng Li , Qifan Yu , Kaihang Pan , Hao Fei , Zhiqi Ge , Shuai Yang , Siliang Tang , Hanwang Zhang , Qianru Sun

Unified Multimodal Large Language Models (U-MLLMs) integrate understanding and generation within a single architecture. However, existing evaluations typically assess these capabilities separately, overlooking semantic equivalence, i.e.,…

Computer Vision and Pattern Recognition · Computer Science 2026-03-02 Hongbo Jiang , Jie Li , Yunhang Shen , Pingyang Dai , Xing Sun , Haoyu Cao , Liujuan Cao

Multimodal representation learning has shown promising improvements on various vision-language tasks. Most existing methods excel at building global-level alignment between vision and language while lacking effective fine-grained image-text…

Computer Vision and Pattern Recognition · Computer Science 2023-06-16 Zijia Zhao , Longteng Guo , Xingjian He , Shuai Shao , Zehuan Yuan , Jing Liu