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In this era of technological advancements, several cutting-edge techniques are being implemented to enhance Autonomous Driving (AD) systems, focusing on improving safety, efficiency, and adaptability in complex driving environments.…

计算与语言 · 计算机科学 2025-02-27 Md Robiul Islam

Large Language Models (LLMs) often generate inconsistent responses when prompted with semantically equivalent paraphrased inputs. Recently, activation steering, a technique that modulates LLMs' behaviours by adjusting their latent…

计算与语言 · 计算机科学 2025-01-23 Jingyuan Yang , Rongjun Li , Weixuan Wang , Ziyu Zhou , Zhiyong Feng , Wei Peng

Short video platforms are evolving rapidly, making the identification of inappropriate content increasingly critical. Existing approaches typically train separate and small classification models for each type of issue, which requires…

计算机视觉与模式识别 · 计算机科学 2025-11-12 Zixuan Wang , Yu Sun , Hongwei Wang , Baoyu Jing , Xiang Shen , Xin Dong , Zhuolin Hao , Hongyu Xiong , Yang Song

Multimodal large language models (MLLMs) have shown satisfactory effects in many autonomous driving tasks. In this paper, MLLMs are utilized to solve joint semantic scene understanding and risk localization tasks, while only relying on…

计算机视觉与模式识别 · 计算机科学 2024-12-30 Jiaqi Fan , Jianhua Wu , Jincheng Gao , Jianhao Yu , Yafei Wang , Hongqing Chu , Bingzhao Gao

Robust alignment guardrails for large language models (LLMs) are becoming increasingly important with their widespread application. In contrast to previous studies, we demonstrate that inference-time activation interventions can bypass…

计算与语言 · 计算机科学 2025-08-26 Paul Darm , Annalisa Riccardi

Safety alignment is critical for deploying large language models (LLMs) in real-world applications, yet most existing approaches rely on large human-annotated datasets and static red-teaming benchmarks that are costly, difficult to scale,…

计算与语言 · 计算机科学 2026-03-10 Punyajoy Saha , Sudipta Halder , Debjyoti Mondal , Subhadarshi Panda

The growth of online platforms and user content requires strong content moderation systems that can handle complex inputs from various media types. While large language models (LLMs) are effective, their high computational cost and latency…

计算与语言 · 计算机科学 2026-04-09 Shutong Zhang , Dylan Zhou , Yinxiao Liu , Yang Yang , Huiwen Luo , Wenfei Zou

Disclaimer: Samples in this paper may be harmful and cause discomfort. Multimodal large language models (MLLMs) enable multimodal generation but inherit toxic, biased, and NSFW signals from weakly curated pretraining corpora, causing safety…

计算与语言 · 计算机科学 2026-02-16 Hongbo Wang , MaungMaung AprilPyone , Isao Echizen

Large Language Models (LLMs) and Multimodal LLMs (MLLMs) have demonstrated immense potential in autonomous driving (AD) by offering human-like reasoning and open-world generalization. However, the excessive computational overhead and high…

机器人学 · 计算机科学 2026-05-26 Ruoyu Yao , Ruiguo Zhong , Pei Liu , Mingxing Peng , Rui Yang , Jun Ma

Achieving robust safety alignment in large language models (LLMs) while preserving their utility remains a fundamental challenge. Existing approaches often struggle to balance comprehensive safety with fine-grained controllability at the…

人工智能 · 计算机科学 2025-09-25 Huizhen Shu , Xuying Li , Zhuo Li

Large Language Models (LLMs) generating unsafe responses to toxic prompts is a significant issue in their applications. While various efforts aim to address this safety concern, previous approaches often demand substantial human data…

计算与语言 · 计算机科学 2024-12-12 Yuxiao Lu , Arunesh Sinha , Pradeep Varakantham

Internal activations of diffusion models encode rich semantic information, but interpreting such representations remains challenging. While Sparse Autoencoders (SAEs) have shown promise in disentangling latent representations, existing…

机器学习 · 计算机科学 2026-01-23 Zhenghao He , Guangzhi Xiong , Boyang Wang , Sanchit Sinha , Aidong Zhang

Detecting deceptive conversations on dynamic platforms is increasingly difficult due to evolving language patterns and Concept Drift (CD)-i.e., semantic or topical shifts that alter the context or intent of interactions over time. These…

计算与语言 · 计算机科学 2026-05-27 Ali Şenol , Garima Agrawal , Huan Liu

Multimodal Large Language Models (MLLMs) have enabled transformative advancements across diverse applications but remain susceptible to safety threats, especially jailbreak attacks that induce harmful outputs. To systematically evaluate and…

Recent advances in alignment techniques such as Supervised Fine-Tuning (SFT), Reinforcement Learning from Human Feedback (RLHF), and Direct Preference Optimization (DPO) have improved the safety of large language models (LLMs). However,…

计算与语言 · 计算机科学 2026-02-26 Mengxuan Hu , Vivek V. Datla , Anoop Kumar , Zihan Guan , Sheng Li , Alfy Samuel , Daben Liu

Recent research explores optimization using large language models (LLMs) by either iteratively seeking next-step solutions from LLMs or directly prompting LLMs for an optimizer. However, these approaches exhibit inherent limitations,…

最优化与控制 · 数学 2024-03-06 Zeyuan Ma , Hongshu Guo , Jiacheng Chen , Guojun Peng , Zhiguang Cao , Yining Ma , Yue-Jiao Gong

Large Vision-Language Models (LVLMs) unlock powerful multimodal reasoning but also expand the attack surface, particularly through adversarial inputs that conceal harmful goals in benign prompts. We propose SHIELD, a lightweight,…

计算与语言 · 计算机科学 2025-10-16 Juan Ren , Mark Dras , Usman Naseem

Large Vision-Language Models face growing safety challenges with multimodal inputs. This paper introduces the concept of Implicit Reasoning Safety, a vulnerability in LVLMs. Benign combined inputs trigger unsafe LVLM outputs due to flawed…

人工智能 · 计算机科学 2025-08-13 Wei Cai , Jian Zhao , Yuchu Jiang , Tianle Zhang , Xuelong Li

Multimodal LLMs (MLLMs) have reached remarkable levels of proficiency in understanding multimodal inputs. However, understanding and interpreting the behavior of such complex models is a challenging task, not to mention the dynamic shifts…

人工智能 · 计算机科学 2025-08-14 Pegah Khayatan , Mustafa Shukor , Jayneel Parekh , Arnaud Dapogny , Matthieu Cord

Sparse autoencoders (SAEs) have become a standard tool for mechanistic interpretability in autoregressive large language models (LLMs), enabling researchers to extract sparse, human-interpretable features and intervene on model behavior.…

机器学习 · 计算机科学 2026-02-06 Xu Wang , Bingqing Jiang , Yu Wan , Baosong Yang , Lingpeng Kong , Difan Zou