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Related papers: Safety Geometry Collapse in Multimodal LLMs and Ad…

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Multimodal Large Language Models (MLLMs) have recently received substantial interest, which shows their emerging potential as general-purpose models for various vision-language tasks. MLLMs involve significant external knowledge within…

Multimedia · Computer Science 2024-10-21 Muhe Ding , Yang Ma , Pengda Qin , Jianlong Wu , Yuhong Li , Liqiang Nie

Large vision-language models (LVLMs) have achieved remarkable progress in vision-language reasoning tasks, yet ensuring their safety remains a critical challenge. Recent input-side defenses detect unsafe images with CLIP and prepend safety…

Computer Vision and Pattern Recognition · Computer Science 2026-03-02 Xingyu Zhu , Beier Zhu , Junfeng Fang , Shuo Wang , Yin Zhang , Xiang Wang , Xiangnan He

While Multimodal Large Language Models (MLLMs) are increasingly integrated with Retrieval-Augmented Generation (RAG) to mitigate hallucinations, the introduction of external documents can conceal severe failure modes at the instance level.…

Computation and Language · Computer Science 2026-05-08 Hoin Jung , Xiaoqian Wang

Multimodal Large Language Models (MLLMs) achieve stronger visual understanding by scaling input fidelity, yet the resulting visual token growth makes jointly sustaining high spatial resolution and long temporal context prohibitive. We argue…

Computer Vision and Pattern Recognition · Computer Science 2026-04-01 Huanxuan Liao , Zhongtao Jiang , Yupu Hao , Yuqiao Tan , Shizhu He , Ben Wang , Jun Zhao , Kun Xu , Kang Liu

Recent advances in Large Language Models (LLMs) and Text-to-Image (T2I) models have led to the emergence of Unified Multimodal Models (UMMs), where multimodal understanding and image generation are tightly integrated within a shared…

Computer Vision and Pattern Recognition · Computer Science 2026-03-31 Kaishen Wang , Heng Huang

Aligned language models that are trained to refuse harmful requests also exhibit over-refusal: they decline safe instructions that seemingly resemble harmful instructions. A natural approach is to ablate the global refusal direction,…

Computation and Language · Computer Science 2026-05-29 Utsav Maskey , Mark Dras , Usman Naseem

Large vision-language models (VLMs) often exhibit weakened safety alignment with the integration of the visual modality. Even when text prompts contain explicit harmful intent, adding an image can substantially increase jailbreak success…

Computer Vision and Pattern Recognition · Computer Science 2026-03-19 Zhihua Wei , Qiang Li , Jian Ruan , Zhenxin Qin , Leilei Wen , Dongrui Liu , Wen Shen

Large Language Models (LLMs) are typically aligned for safety during the post-training phase; however, they may still generate inappropriate outputs that could potentially pose risks to users. This challenge underscores the need for robust…

Machine Learning · Computer Science 2025-12-08 Mahesh Kumar Nandwana , Youngwan Lim , Joseph Liu , Alex Yang , Varun Notibala , Nishchaie Khanna

Safety concerns of Multimodal large language models (MLLMs) have gradually become an important problem in various applications. Surprisingly, previous works indicate a counterintuitive phenomenon that using textual unlearning to align MLLMs…

Cryptography and Security · Computer Science 2025-05-20 Xuhao Hu , Dongrui Liu , Hao Li , Xuanjing Huang , Jing Shao

Large Language Models (LLMs) have demonstrated remarkable performance across various tasks by effectively utilizing a prompting strategy. However, they are highly sensitive to input perturbations, such as typographical errors or slight…

Computation and Language · Computer Science 2026-05-27 Lin Mu , Guowei Chu , Li Ni , Lei Sang , Yiwen Zhang

Autonomous Vehicle decisions rely on multimodal prediction models that account for multiple route options and the inherent uncertainty in human behavior. However, models can suffer from mode collapse, where only the most likely mode is…

Robotics · Computer Science 2025-07-01 Maarten Hugenholtz , Anna Meszaros , Jens Kober , Zlatan Ajanovic

The current paradigm for safety alignment of large language models (LLMs) follows a one-size-fits-all approach: the model refuses to interact with any content deemed unsafe by the model provider. This approach lacks flexibility in the face…

Computation and Language · Computer Science 2025-03-05 Jingyu Zhang , Ahmed Elgohary , Ahmed Magooda , Daniel Khashabi , Benjamin Van Durme

Generalizable alignment is a core challenge for deploying Large Language Models (LLMs) safely in real-world NLP applications. Current alignment methods, including Reinforcement Learning from Human Feedback (RLHF), often fail to guarantee…

Computation and Language · Computer Science 2025-04-07 Jaymari Chua , Chen Wang , Lina Yao

Recent breakthroughs in Large Language Models (LLMs) have led to their adoption across a wide range of tasks, ranging from code generation to machine translation and sentiment analysis, etc. Red teaming/Safety alignment efforts show that…

Computation and Language · Computer Science 2024-09-25 Essa Jan , Nouar AlDahoul , Moiz Ali , Faizan Ahmad , Fareed Zaffar , Yasir Zaki

Despite the impressive capabilities of multimodal large language models (MLLMs) in vision-language tasks, they are prone to hallucinations in real-world scenarios. This paper investigates the hallucination phenomenon in MLLMs from the…

Computer Vision and Pattern Recognition · Computer Science 2025-07-11 Zongmeng Zhang , Wengang Zhou , Jie Zhao , Houqiang Li

Large Language Models (LLMs) pre-trained on internet-scale datasets have shown impressive capabilities in code understanding, synthesis, and general purpose question-and-answering. Key to their performance is the substantial prior knowledge…

Robotics · Computer Science 2023-11-03 Andrea Tagliabue , Kota Kondo , Tong Zhao , Mason Peterson , Claudius T. Tewari , Jonathan P. How

Benefiting from the powerful capabilities of Large Language Models (LLMs), pre-trained visual encoder models connected to an LLMs can realize Vision Language Models (VLMs). However, existing research shows that the visual modality of VLMs…

Computer Vision and Pattern Recognition · Computer Science 2024-05-24 Zhendong Liu , Yuanbi Nie , Yingshui Tan , Xiangyu Yue , Qiushi Cui , Chongjun Wang , Xiaoyong Zhu , Bo Zheng

Multimodal deepfake detection (MDD) aims to uncover manipulations across visual, textual, and auditory modalities, thereby reinforcing the reliability of modern information systems. Although large vision-language models (LVLMs) exhibit…

Computer Vision and Pattern Recognition · Computer Science 2025-09-29 Yuxin Liu , Fei Wang , Kun Li , Yiqi Nie , Junjie Chen , Yanyan Wei , Zhangling Duan , Zhaohong Jia

Diffusion Language Models (DLMs) provide a promising alternative to autoregressive language models by generating text through iterative denoising and bidirectional refinement. However, this iterative generation paradigm also introduces…

Computation and Language · Computer Science 2026-05-14 Yejin Lee , Yo-Sub Han

Continual learning of pretrained vision-language models (VLMs) is prone to catastrophic forgetting, yet current approaches adapt to new tasks without explicitly preserving the cross-modal semantic geometry inherited from pretraining and…

Computer Vision and Pattern Recognition · Computer Science 2026-03-24 Chiyuan He , Zihuan Qiu , Fanman Meng , Runtong Zhang , Linfeng Xu , Qingbo Wu , Hongliang Li