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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

Existing Large Vision-Language Models (LVLMs) exhibit insufficient visual attention, leading to hallucinations. To alleviate this problem, some previous studies adjust and amplify visual attention. These methods present a limitation that…

计算机视觉与模式识别 · 计算机科学 2026-02-11 Jingyi Wang , Fei Li , Rujie Liu

Due to the unidirectional masking mechanism, Decoder-Only models propagate information from left to right. LVLMs (Large Vision-Language Models) follow the same architecture, with visual information gradually integrated into semantic…

计算机视觉与模式识别 · 计算机科学 2025-09-24 Jianfei Zhao , Feng Zhang , Xin Sun , Chong Feng

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.…

计算机视觉与模式识别 · 计算机科学 2026-05-21 Yutong Xie , Zhenglin Hua , Ran Wang , Wing W. Y. Ng , Xizhao Wang , Yuheng Jia

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…

计算机视觉与模式识别 · 计算机科学 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

Large vision-language models (LVLMs) have shown remarkable abilities in understanding visual information with human languages. However, LVLMs still suffer from object hallucination, which is the problem of generating descriptions that…

机器学习 · 计算机科学 2024-03-19 Yiyang Zhou , Chenhang Cui , Jaehong Yoon , Linjun Zhang , Zhun Deng , Chelsea Finn , Mohit Bansal , Huaxiu Yao

Large Vision Language Models (LVLMs) have demonstrated remarkable capabilities in understanding and describing visual content, achieving state-of-the-art performance across various vision-language tasks. However, these models often generate…

计算机视觉与模式识别 · 计算机科学 2025-03-27 Kazi Hasan Ibn Arif , Sajib Acharjee Dip , Khizar Hussain , Lang Zhang , Chris Thomas

Vision-language models (VLMs) frequently generate hallucinated content plausible but incorrect claims about image content. We propose a training-free self-correction framework enabling VLMs to iteratively refine responses through…

计算机视觉与模式识别 · 计算机科学 2025-12-11 Kassoum Sanogo , Renzo Ardiccioni

The rapidly developing Large Vision Language Models (LVLMs) have shown notable capabilities on a range of multi-modal tasks, but still face the hallucination phenomena where the generated texts do not align with the given contexts,…

计算机视觉与模式识别 · 计算机科学 2025-01-07 Wenyi Xiao , Ziwei Huang , Leilei Gan , Wanggui He , Haoyuan Li , Zhelun Yu , Fangxun Shu , Hao Jiang , Linchao Zhu

Despite the recent breakthroughs achieved by Large Vision Language Models (LVLMs) in understanding and responding to complex visual-textual contexts, their inherent hallucination tendencies limit their practical application in real-world…

计算机视觉与模式识别 · 计算机科学 2024-11-26 Junzhe Chen , Tianshu Zhang , Shiyu Huang , Yuwei Niu , Linfeng Zhang , Lijie Wen , Xuming Hu

Multimodal large language models (MLLMs) frequently hallucinate objects that are absent from the visual input, often because attention during decoding is disproportionately drawn to visually dominant or frequently occurring content. We…

计算机视觉与模式识别 · 计算机科学 2026-04-14 Mohammad Anas Azeez , Ankan Deria , Zohaib Hasan Siddiqui , Adinath Madhavrao Dukre , Rafiq Ali , Sara Atito , Yutong Xie , Imran Razzak

Despite their remarkable progress in multimodal understanding tasks, large vision language models (LVLMs) often suffer from "hallucinations", generating texts misaligned with the visual context. Existing methods aimed at reducing…

计算机视觉与模式识别 · 计算机科学 2025-10-17 Sreetama Sarkar , Yue Che , Alex Gavin , Peter A. Beerel , Souvik Kundu

Large Vision-Language Models (LVLMs) have made remarkable developments along with the recent surge of large language models. Despite their advancements, LVLMs have a tendency to generate plausible yet inaccurate or inconsistent information…

计算机视觉与模式识别 · 计算机科学 2024-12-23 Dexter Neo , Tsuhan Chen

Despite the remarkable ability of large vision-language models (LVLMs) in image comprehension, these models frequently generate plausible yet factually incorrect responses, a phenomenon known as hallucination.Recently, in large language…

计算机视觉与模式识别 · 计算机科学 2024-08-02 Xiaoye Qu , Qiyuan Chen , Wei Wei , Jishuo Sun , Jianfeng Dong

Recent Large Vision Language Models (LVLMs) present remarkable zero-shot conversational and reasoning capabilities given multimodal queries. Nevertheless, they suffer from object hallucination, a phenomenon where LVLMs are prone to generate…

计算机视觉与模式识别 · 计算机科学 2024-10-22 Yun Xing , Yiheng Li , Ivan Laptev , Shijian Lu

We study object hallucination in Multimodal Large Language Models (MLLMs) and improve visual contrastive decoding (VCD) by constructing an object-aligned auxiliary view. We leverage object-centric attention in self-supervised Vision…

计算机视觉与模式识别 · 计算机科学 2026-02-13 Boqi Chen , Xudong Liu , Jianing Qiu

Despite their significant advancements, Multimodal Large Language Models (MLLMs) often generate factually inaccurate information, referred to as hallucination. In this work, we address object hallucinations in MLLMs, where information is…

计算机视觉与模式识别 · 计算机科学 2025-03-03 Pritam Sarkar , Sayna Ebrahimi , Ali Etemad , Ahmad Beirami , Sercan Ö. Arık , Tomas Pfister

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 Vision-Language Models (LVLMs) have achieved substantial progress in cross-modal tasks. However, due to language bias, LVLMs are susceptible to object hallucination, which can be primarily divided into category, attribute, and…

计算机视觉与模式识别 · 计算机科学 2026-03-12 Tianbo Wang , Yuqing Ma , Kewei Liao , Zhange Zhang , Simin Li , Jinyang Guo , Xianglong Liu

Despite their success, Large Vision-Language Models (LVLMs) remain vulnerable to hallucinations. While existing studies attribute the cause of hallucinations to insufficient visual attention to image tokens, our findings indicate that…

计算机视觉与模式识别 · 计算机科学 2025-03-17 Beitao Chen , Xinyu Lyu , Lianli Gao , Jingkuan Song , Heng Tao Shen