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Multimodal hallucination in multimodal large language models (MLLMs) restricts the correctness of MLLMs. However, multimodal hallucinations are multi-sourced and arise from diverse causes. Existing benchmarks fail to adequately distinguish…

计算机视觉与模式识别 · 计算机科学 2025-06-03 Bowen Dong , Minheng Ni , Zitong Huang , Guanglei Yang , Wangmeng Zuo , Lei Zhang

Large language models (LLMs) have achieved a degree of success in generating coherent and contextually relevant text, yet they remain prone to a significant challenge known as hallucination: producing information that is not substantiated…

计算与语言 · 计算机科学 2024-10-28 Ray Li , Tanishka Bagade , Kevin Martinez , Flora Yasmin , Grant Ayala , Michael Lam , Kevin Zhu

Large language models (LLMs) frequently produce inaccurate or fabricated information, known as "hallucinations," which compromises their reliability. Existing approaches often train an "Evil LLM" to deliberately generate hallucinations on…

计算与语言 · 计算机科学 2026-01-06 Jiani Guo , Xiangke Zeng , Jie Wu , Zuchao Li

Despite their impressive ability to generate high-quality and fluent text, generative large language models (LLMs) also produce hallucinations: statements that are misaligned with established world knowledge or provided input context.…

计算与语言 · 计算机科学 2025-01-15 Abhilasha Ravichander , Shrusti Ghela , David Wadden , Yejin Choi

Large Language Models (LLMs) have demonstrated effectiveness across a wide variety of tasks involving natural language, however, a fundamental problem of hallucinations still plagues these models, limiting their trustworthiness in…

计算与语言 · 计算机科学 2025-09-09 Jerry Li , Evangelos Papalexakis

Large Vision-Language Models (LVLMs) integrate image encoders with Large Language Models (LLMs) to process multi-modal inputs and perform complex visual tasks. However, they often generate hallucinations by describing non-existent objects…

计算机视觉与模式识别 · 计算机科学 2025-02-25 Yaqi Sun , Kyohei Atarashi , Koh Takeuchi , Hisashi Kashima

Although Large Vision-Language Models (LVLMs) have made substantial progress, hallucination, where generated text is not grounded in the visual input, remains a challenge. As LVLMs become stronger, previously reported hallucination…

计算机视觉与模式识别 · 计算机科学 2026-03-03 April Fu

Recent advancements in multimodal large language models (MLLMs) have significantly improved performance in visual question answering. However, they often suffer from hallucinations. In this work, hallucinations are categorized into two main…

计算机视觉与模式识别 · 计算机科学 2025-06-10 Feilong Tang , Chengzhi Liu , Zhongxing Xu , Ming Hu , Zelin Peng , Zhiwei Yang , Jionglong Su , Minquan Lin , Yifan Peng , Xuelian Cheng , Imran Razzak , Zongyuan Ge

Large language models (LLMs) have revolutionized natural language processing, yet their tendency to hallucinate poses serious challenges for reliable deployment. Despite numerous hallucination detection methods, their evaluations often rely…

计算与语言 · 计算机科学 2025-08-15 Denis Janiak , Jakub Binkowski , Albert Sawczyn , Bogdan Gabrys , Ravid Shwartz-Ziv , Tomasz Kajdanowicz

Nowadays, the research on Large Vision-Language Models (LVLMs) has been significantly promoted thanks to the success of Large Language Models (LLM). Nevertheless, these Vision-Language Models (VLMs) are suffering from the drawback of…

计算机视觉与模式识别 · 计算机科学 2023-11-27 Hongyu Hu , Jiyuan Zhang , Minyi Zhao , Zhenbang Sun

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

Artificial Intelligence (AI), particularly Large Language Models (LLMs), is transforming scientific discovery, enabling rapid knowledge generation and hypothesis formulation. However, a critical challenge is hallucination, where LLMs…

人工智能 · 计算机科学 2025-12-30 Bhanu Prakash Vangala , Sajid Mahmud , Pawan Neupane , Joel Selvaraj , Jianlin Cheng

Large language models (LLMs) have demonstrated remarkable performance across diverse tasks by encoding vast amounts of factual knowledge. However, they are still prone to hallucinations, generating incorrect or misleading information, often…

计算与语言 · 计算机科学 2025-11-13 Xiaomin Li , Zhou Yu , Ziji Zhang , Yingying Zhuang , Swair Shah , Narayanan Sadagopan , Anurag Beniwal

Large language models (LLMs) have shown promise for generative and knowledge-intensive tasks including question-answering (QA) tasks. However, the practical deployment still faces challenges, notably the issue of "hallucination", where…

计算与语言 · 计算机科学 2023-10-11 Ziwei Ji , Tiezheng Yu , Yan Xu , Nayeon Lee , Etsuko Ishii , Pascale Fung

Large Language Models (LLMs) utilize extensive knowledge databases and show powerful text generation ability. However, their reliance on high-quality copyrighted datasets raises concerns about copyright infringements in generated texts.…

计算与语言 · 计算机科学 2026-01-05 Qichao Ma , Rui-Jie Zhu , Peiye Liu , Renye Yan , Fahong Zhang , Ling Liang , Meng Li , Zhaofei Yu , Zongwei Wang , Yimao Cai , Tiejun Huang

Multimodal large language models (MLLMs) struggle with hallucinations, particularly with fine-grained queries, a challenge underrepresented by existing benchmarks that focus on coarse image-related questions. We introduce FIne-grained…

计算机视觉与模式识别 · 计算机科学 2026-03-19 Rui Xiao , Sanghwan Kim , Yongqin Xian , Zeynep Akata , Stephan Alaniz

Large Language Models (LLMs) are known to hallucinate, whereby they generate plausible but inaccurate text. This phenomenon poses significant risks in critical applications, such as medicine or law, necessitating robust hallucination…

计算与语言 · 计算机科学 2024-10-23 Benedict Aaron Tjandra , Muhammed Razzak , Jannik Kossen , Kunal Handa , Yarin Gal

Hallucinations -- plausible yet erroneous outputs -- remain a critical barrier to reliable deployment of large language models (LLMs). We present the first systematic study linking hallucination incidence to internal-state drift induced by…

计算与语言 · 计算机科学 2025-05-23 Zeyu Wei , Shuo Wang , Xiaohui Rong , Xuemin Liu , He Li

Abstractive summarization using large language models (LLMs) has become an essential tool for condensing information. However, despite their ability to generate fluent summaries, these models sometimes produce unfaithful summaries,…

计算与语言 · 计算机科学 2025-10-14 Sicong Huang , Qianqi Yan , Shengze Wang , Ian Lane

Contemporary Language Models (LMs), while impressively fluent, often generate content that is factually incorrect or unfaithful to the input context - a critical issue commonly referred to as 'hallucination'. This tendency of LMs to…

计算与语言 · 计算机科学 2025-06-24 Anwoy Chatterjee , Yash Goel , Tanmoy Chakraborty