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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…

Computer Vision and Pattern Recognition · Computer Science 2024-08-02 Xiaoye Qu , Qiyuan Chen , Wei Wei , Jishuo Sun , Jianfeng Dong

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…

Computer Vision and Pattern Recognition · Computer Science 2025-02-25 Yaqi Sun , Kyohei Atarashi , Koh Takeuchi , Hisashi Kashima

Despite significant advancements in Vision-Language Models (VLMs), the performance of existing VLMs remains hindered by object hallucination, a critical challenge to achieving accurate visual understanding. To address this issue, we propose…

Computer Vision and Pattern Recognition · Computer Science 2026-03-31 Woohyeon Park , Woojin Kim , Jaeik Kim , Jaeyoung Do

Hallucinations in vision-language models (VLMs) hinder reliability and real-world applicability, usually stemming from distribution shifts between pretraining data and test samples. Existing solutions, such as retraining or fine-tuning on…

Multimedia · Computer Science 2025-06-10 Fei Zhao , Chengcui Zhang , Runlin Zhang , Tianyang Wang , Xi Li

Large vision-language models (LVLMs) achieve impressive performance on multimodal tasks but often suffer from hallucination, and confidently describe objects or attributes not present in the image. Current training-free interventions…

Computer Vision and Pattern Recognition · Computer Science 2026-04-13 Mehrdad Fazli , Bowen Wei , Ahmet Sari , Ziwei Zhu

Recent development of Large Vision-Language Models (LVLMs) has attracted growing attention within the AI landscape for its practical implementation potential. However, ``hallucination'', or more specifically, the misalignment between…

Computer Vision and Pattern Recognition · Computer Science 2024-05-07 Hanchao Liu , Wenyuan Xue , Yifei Chen , Dapeng Chen , Xiutian Zhao , Ke Wang , Liping Hou , Rongjun Li , Wei Peng

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…

Computer Vision and Pattern Recognition · Computer Science 2024-12-23 Dexter Neo , Tsuhan Chen

Large vision-language models (LVLMs) often hallucinate content that is fluent yet unsupported by the image, limiting their reliability in real-world deployment. We show that a key failure mode arises from route competition: even when visual…

Computer Vision and Pattern Recognition · Computer Science 2026-05-26 Zhe Cheng , Wenyu Chen , Fode Zhang , Dehuan Shen

Large Vision-Language Models (LVLMs) recently achieve significant breakthroughs in understanding complex visual-textual contexts. However, hallucination issues still limit their real-world applicability. Although previous mitigation methods…

Computer Vision and Pattern Recognition · Computer Science 2025-08-06 Zhaoxu Li , Chenqi Kong , Yi Yu , Qiangqiang Wu , Xinghao Jiang , Ngai-Man Cheung , Bihan Wen , Alex Kot , Xudong Jiang

As scaling up training data has significantly improved the general multimodal capabilities of Large Vision-Language Models (LVLMs), they still suffer from the hallucination issue, generating text that is inconsistent with the visual input.…

Computer Vision and Pattern Recognition · Computer Science 2025-08-07 Yifan Li , Kun Zhou , Wayne Xin Zhao , Lei Fang , Ji-Rong Wen

Large vision-language models (LVLMs) frequently suffer from Object Hallucination (OH), wherein they generate descriptions containing objects that are not actually present in the input image. This phenomenon is particularly problematic in…

Computer Vision and Pattern Recognition · Computer Science 2026-04-22 Yanbin Huang , Yisen Li , Guiyao Tie , Xiaoye Qu , Pan Zhou , Hongfei Wang , Zhaofan Zou , Hao Sun , Xuelong Li

Large vision-language models (LVLMs) have demonstrated remarkable multimodal comprehension and reasoning capabilities, but they still suffer from severe object hallucination. Previous studies primarily attribute the flaw to linguistic prior…

Computer Vision and Pattern Recognition · Computer Science 2025-08-05 Haohan Zheng , Zhenguo Zhang

Large language models (LLMs) have proven effective for layout generation due to their ability to produce structure-description languages, such as HTML or JSON. In this paper, we argue that while LLMs can perform reasonably well in certain…

Computer Vision and Pattern Recognition · Computer Science 2025-03-12 Jiahao Zhang , Ryota Yoshihashi , Shunsuke Kitada , Atsuki Osanai , Yuta Nakashima

The Large Visual Language Models (LVLMs) enhances user interaction and enriches user experience by integrating visual modality on the basis of the Large Language Models (LLMs). It has demonstrated their powerful information processing and…

Artificial Intelligence · Computer Science 2024-10-22 Wei Lan , Wenyi Chen , Qingfeng Chen , Shirui Pan , Huiyu Zhou , Yi Pan

The rapid advancements in Large Language Models (LLMs) and Large Visual-Language Models (LVLMs) have opened up new opportunities for integrating visual and linguistic modalities. However, effectively aligning these modalities remains…

Computer Vision and Pattern Recognition · Computer Science 2025-09-12 Sihan Yang , Chenhang Cui , Zihao Zhao , Yiyang Zhou , Weilong Yan , Ying Wei , Huaxiu Yao

Object hallucination remains a primary obstacle to the reliable deployment of Multimodal Large Language Models (MLLMs). Current inference-time mitigation methods mainly assume hallucinations stem from visual neglect, steering models to…

Computation and Language · Computer Science 2026-05-28 Jingwen Wu , Xijun Zhang , Ge Song

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…

Computer Vision and Pattern Recognition · Computer Science 2026-02-13 Boqi Chen , Xudong Liu , Jianing Qiu

Hallucination, posed as a pervasive challenge of multi-modal large language models (MLLMs), has significantly impeded their real-world usage that demands precise judgment. Existing methods mitigate this issue with either training with…

Computer Vision and Pattern Recognition · Computer Science 2024-03-13 Qidong Huang , Xiaoyi Dong , Pan Zhang , Bin Wang , Conghui He , Jiaqi Wang , Dahua Lin , Weiming Zhang , Nenghai Yu

Despite their impressive performance on multi-modal tasks, large vision-language models (LVLMs) tend to suffer from hallucinations. An important type is object hallucination, where LVLMs generate objects that are inconsistent with the…

Computer Vision and Pattern Recognition · Computer Science 2025-01-28 Shounak Datta , Dhanasekar Sundararaman

There is a gap in the understanding of occluded objects in existing large-scale visual language multi-modal models. Current state-of-the-art multi-modal models fail to provide satisfactory results in describing occluded objects through…

Computer Vision and Pattern Recognition · Computer Science 2024-10-04 Shuxin Yang , Xinhan Di