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Large Vision-Language Models (LVLMs) have shown remarkable performance on a wide range of vision-language tasks. Despite this progress, they are still prone to hallucination, generating responses that are inconsistent with visual content.…

Computer Vision and Pattern Recognition · Computer Science 2026-05-21 Yutong Xie , Zhenglin Hua , Ran Wang , Wing W. Y. Ng , Xizhao Wang , Yuheng Jia

Large Vision-Language Models (LVLMs) frequently suffer from severe hallucination issues. Existing mitigation strategies predominantly rely on isolated, single-step states to enhance visual focus or suppress strong linguistic priors.…

Computer Vision and Pattern Recognition · Computer Science 2026-04-02 Bei Yan , Yuecong Min , Jie Zhang , Shiguang Shan , Xilin Chen

Large vision-language models (LVLMs) are now central to healthcare applications such as medical visual question answering and imaging report generation. Yet, these models remain vulnerable to hallucination outputs that appear plausible but…

Computer Vision and Pattern Recognition · Computer Science 2025-12-02 Zahra Mahdavi , Zahra Khodakaramimaghsoud , Hooman Khaloo , Sina Bakhshandeh Taleshani , Erfan Hashemi , Javad Mirzapour Kaleybar , Omid Nejati Manzari

Large vision-language models (LVLMs) have demonstrated impressive capabilities across diverse multimodal tasks, yet they remain highly susceptible to visual hallucinations (VH), often producing confident but inaccurate descriptions of…

Computer Vision and Pattern Recognition · Computer Science 2025-08-19 Lexiang Tang , Xianwei Zhuang , Bang Yang , Zhiyuan Hu , Hongxiang Li , Lu Ma , Jinghan Ru , Yuexian Zou

Large vision-language models (LVLMs) have achieved impressive results in various vision-language tasks. However, despite showing promising performance, LVLMs suffer from hallucinations caused by language bias, leading to diminished focus on…

Computer Vision and Pattern Recognition · Computer Science 2026-05-29 Haozhe Zhao , Shuzheng Si , Liang Chen , Yichi Zhang , Maosong Sun , Mingjia Zhang , Baobao Chang

Hallucination in large language models (LLMs) continues to be a significant issue, particularly in tasks like question answering, where models often generate plausible yet incorrect or irrelevant information. Although various methods have…

Computation and Language · Computer Science 2026-04-09 Ziqin Luo , Yihao Quan , Xiaofeng Zhang , Xiaosong Yuan , Chen Shen

Although Large Vision-Language Models (LVLMs) have demonstrated remarkable performance on downstream tasks, they frequently produce contents that deviate from visual information, leading to object hallucination. To tackle this, recent works…

Computer Vision and Pattern Recognition · Computer Science 2026-05-07 Qiming Li , Zekai Ye , Xiaocheng Feng , Weihong Zhong , Libo Qin , Ruihan Chen , Lei Huang , Baohang Li , Kui Jiang , Yaowei Wang , Ting Liu , Bing Qin

Multimodal Large Language Models (MLLMs) frequently suffer from hallucination issues, generating information about objects that are not present in input images during vision-language tasks. These hallucinations particularly undermine model…

Computer Vision and Pattern Recognition · Computer Science 2025-06-16 Dokyoon Yoon , Youngsook Song , Woomyong Park

Large vision-language models (LVLMs) achieve strong performance on visual reasoning tasks but remain highly susceptible to hallucination. Existing detection methods predominantly rely on coarse, whole-image measures of how an object token…

Object hallucination is a critical issue in Large Vision-Language Models (LVLMs), where outputs include objects that do not appear in the input image. A natural question arises from this phenomenon: Which component of the LVLM pipeline…

Computer Vision and Pattern Recognition · Computer Science 2026-02-26 Lingfeng Ren , Weihao Yu , Runpeng Yu , Xinchao Wang

Visual attention serves as the primary mechanism through which MLLMs interpret visual information; however, its limited localization capability often leads to hallucinations. We observe that although MLLMs can accurately extract visual…

Computer Vision and Pattern Recognition · Computer Science 2026-04-30 Jianfei Zhao , Feng Zhang , Xin Sun , Chong Feng , Zhixing Tan

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…

Computation and Language · Computer Science 2025-05-26 Xinyan Jiang , Hang Ye , Yongxin Zhu , Xiaoying Zheng , Zikang Chen , Jun Gong

Large Multimodal Models (LMMs) have achieved impressive progress in visual perception and reasoning. However, when confronted with visually ambiguous or non-semantic scene text, they often struggle to accurately spot and understand the…

Computer Vision and Pattern Recognition · Computer Science 2025-10-08 Yan Shu , Hangui Lin , Yexin Liu , Yan Zhang , Gangyan Zeng , Yan Li , Yu Zhou , Ser-Nam Lim , Harry Yang , Nicu Sebe

The emergence of large language models (LLMs) is a milestone in generative artificial intelligence, achieving significant success in text comprehension and generation tasks. Despite the tremendous success of LLMs in many downstream tasks,…

Computation and Language · Computer Science 2024-07-16 He Li , Haoang Chi , Mingyu Liu , Wenjing Yang

Large vision-language models (LVLMs), which integrate a vision encoder (VE) with a large language model, have achieved remarkable success across various tasks. However, there are still crucial challenges in LVLMs such as object…

Computer Vision and Pattern Recognition · Computer Science 2025-10-13 Hoigi Seo , Dong Un Kang , Hyunjin Cho , Joohoon Lee , Se Young Chun

Although Visual-Language Models (VLMs) have shown impressive capabilities in tasks like visual question answering and image captioning, they still struggle with hallucinations. Analysis of attention distribution in these models shows that…

Computer Vision and Pattern Recognition · Computer Science 2024-09-11 Xiaoyu Liang , Jiayuan Yu , Lianrui Mu , Jiedong Zhuang , Jiaqi Hu , Yuchen Yang , Jiangnan Ye , Lu Lu , Jian Chen , Haoji Hu

Large Vision-Language Models (LVLMs) exhibit powerful generative capabilities but frequently produce hallucinations that compromise output reliability. Fine-tuning on annotated data devoid of hallucinations offers the most direct solution,…

Computer Vision and Pattern Recognition · Computer Science 2026-04-23 Xingyu Zhu , Junfeng Fang , Shuo Wang , Beier Zhu , Zhicai Wang , Yonghui Yang , Xiangnan He

Large vision-language models (LVLMs) have shown remarkable capabilities in visual-language understanding for downstream multi-modal tasks. Despite their success, LVLMs still suffer from generating hallucinations in complex generation tasks,…

Computer Vision and Pattern Recognition · Computer Science 2025-03-13 Jiaming Li , Jiacheng Zhang , Zequn Jie , Lin Ma , Guanbin Li

Visual hallucinations in Large Language Models (LLMs), where the model generates responses that are inconsistent with the visual input, pose a significant challenge to their reliability, particularly in contexts where precise and…

Computer Vision and Pattern Recognition · Computer Science 2025-06-30 Nokimul Hasan Arif , Shadman Rabby , Md Hefzul Hossain Papon , Sabbir Ahmed

Large Vision-Language Models (LVLMs) have achieved remarkable success across cross-modal tasks but remain hindered by hallucinations, producing textual outputs inconsistent with visual content. Existing methods mitigate hallucinations but…

Computer Vision and Pattern Recognition · Computer Science 2026-04-10 Yuanhong Zhang , Zhaoyang Wang , Xin Zhang , Weizhan Zhang , Joey Tianyi Zhou