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To address hallucination issues in large language models (LLMs), this paper proposes a method for mitigating prompt-induced hallucinations. Building on a knowledge distillation chain-style model, we introduce a code module to guide…

计算与语言 · 计算机科学 2026-01-07 Jinbo Hao , Kai Yang , Qingzhen Su , Yang Chen , Yifan Li , Chao Jiang

Large Vision-Language Models (VLMs) often exhibit text inertia, where attention drifts from visual evidence toward linguistic priors, resulting in object hallucinations. Existing decoding strategies intervene only at the output logits and…

计算机视觉与模式识别 · 计算机科学 2025-12-08 Weijue Bu , Guan Yuan , Guixian Zhang

While Retrieval-Augmented Generation (RAG) enables large language models (LLMs) to generate contextually grounded responses, contextual faithfulness remains challenging as LLMs may not consistently trust provided context, leading to…

计算与语言 · 计算机科学 2026-02-10 Yongchao Long , Xian Wu , Yingying Zhang , Xianbin Wen , Yuxi Zhou , Shenda Hong

Large Language Models (LLMs) demonstrate significant capabilities in processing natural language data, promising efficient knowledge extraction from diverse textual sources to enhance situational awareness and support decision-making.…

计算与语言 · 计算机科学 2024-06-04 Fatemeh Shiri , Van Nguyen , Farhad Moghimifar , John Yoo , Gholamreza Haffari , Yuan-Fang Li

In real-world applications, Large Language Models (LLMs) often hallucinate, even in Retrieval-Augmented Generation (RAG) settings, which poses a significant challenge to their deployment. In this paper, we introduce AggTruth, a method for…

Large Vision-Language Models (LVLMs) have demonstrated impressive multimodal understanding capabilities, yet they remain prone to object hallucination, where models describe non-existent objects or attribute incorrect factual information,…

计算机视觉与模式识别 · 计算机科学 2026-02-24 Ahmed Akl , Abdelwahed Khamis , Ali Cheraghian , Zhe Wang , Sara Khalifa , Kewen Wang

Despite the groundbreaking advancements made by large language models (LLMs), hallucination remains a critical bottleneck for their deployment in high-stakes domains. Existing classification-based methods mainly rely on static and passive…

机器学习 · 计算机科学 2026-05-12 Linggang Kong , Lei Wu , Yunlong Zhang , Xiaofeng Zhong , Zhen Wang , Yongjie Wang , Yao Pan

Hallucinations in Large Vision-Language Models (LVLMs) significantly undermine their reliability, motivating researchers to explore the causes of hallucination. However, most studies primarily focus on the language aspect rather than the…

计算机视觉与模式识别 · 计算机科学 2025-04-02 Zhangqi Jiang , Junkai Chen , Beier Zhu , Tingjin Luo , Yankun Shen , Xu Yang

Large vision-language models (LVLMs) exhibit impressive ability to jointly reason over visual and textual inputs. However, they often produce outputs that are linguistically fluent but factually inconsistent with the visual evidence, i.e.,…

计算机视觉与模式识别 · 计算机科学 2025-12-16 Zihu Wang , Boxun Xu , Yuxuan Xia , Peng Li

Large Language Models (LLMs) hallucinate, generating factually incorrect yet confident assertions. We argue this stems from the Transformer's Softmax function, which creates "Artificial Certainty" by collapsing ambiguous attention scores…

计算与语言 · 计算机科学 2025-10-15 Shihao Ji , Zihui Song , Jiajie Huang

Large Language Models (LLMs) excel in various language tasks but they often generate incorrect information, a phenomenon known as "hallucinations". Retrieval-Augmented Generation (RAG) aims to mitigate this by using document retrieval for…

信息检索 · 计算机科学 2024-07-18 Hamin Koo , Minseon Kim , Sung Ju Hwang

Hallucination, the generation of factually incorrect content, is a growing challenge in Large Language Models (LLMs). Existing detection and mitigation methods are often isolated and insufficient for domain-specific needs, lacking a…

Despite great success across various multimodal tasks, Large Vision-Language Models (LVLMs) often encounter object hallucinations with generated textual responses being inconsistent with the actual objects in images. We examine different…

计算机视觉与模式识别 · 计算机科学 2025-03-17 Wenbin An , Feng Tian , Sicong Leng , Jiahao Nie , Haonan Lin , QianYing Wang , Ping Chen , Xiaoqin Zhang , Shijian Lu

Large language models (LLMs) produce context inconsistency hallucinations, which are LLM generated outputs that are misaligned with the user prompt. This research project investigates whether prompt engineering (PE) methods can mitigate…

计算与语言 · 计算机科学 2025-12-19 Imane Jaaouine , Ross D. King

Large Language Models (LLMs) often generate hallucinations, producing outputs that are contextually inaccurate or factually incorrect. We introduce HICD, a novel method designed to induce hallucinations for contrastive decoding to mitigate…

计算与语言 · 计算机科学 2025-05-26 Xinyan Jiang , Hang Ye , Yongxin Zhu , Xiaoying Zheng , Zikang Chen , Jun Gong

Large language models (LLMs) frequently hallucinate and produce factual errors, yet our understanding of why they make these errors remains limited. In this study, we delve into the underlying mechanisms of LLM hallucinations from the…

计算与语言 · 计算机科学 2024-03-13 Shiqi Chen , Miao Xiong , Junteng Liu , Zhengxuan Wu , Teng Xiao , Siyang Gao , Junxian He

Large Vision-Language Models (LVLMs) demonstrate impressive capabilities in generating detailed and coherent responses from visual inputs. However, they are prone to generate hallucinations due to an over-reliance on language priors. To…

人工智能 · 计算机科学 2025-02-20 Kyungmin Min , Minbeom Kim , Kang-il Lee , Dongryeol Lee , Kyomin Jung

Large Language Models have rapidly advanced in their ability to interpret and generate natural language. In enterprise settings, they are frequently augmented with closed-source domain knowledge to deliver more contextually informed…

计算与语言 · 计算机科学 2025-12-03 Tanmay Agrawal

Large Language Models (LLMs) and Large Reasoning Models (LRMs) offer transformative potential for high-stakes domains like finance and law, but their tendency to hallucinate, generating factually incorrect or unsupported content, poses a…

人工智能 · 计算机科学 2026-01-16 Ahmad Pesaranghader , Erin Li

The advancement of Large Vision-Language Models (LVLMs) has increasingly highlighted the critical issue of their tendency to hallucinate non-existing objects in the images. To address this issue, previous works focused on using specially…

机器学习 · 计算机科学 2025-06-13 Linxi Zhao , Yihe Deng , Weitong Zhang , Quanquan Gu