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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

In the dynamic landscape of artificial intelligence, the exploration of hallucinations within vision-language (VL) models emerges as a critical frontier. This work delves into the intricacies of hallucinatory phenomena exhibited by widely…

计算机视觉与模式识别 · 计算机科学 2025-08-04 Maria Lymperaiou , Giorgos Filandrianos , Angeliki Dimitriou , Athanasios Voulodimos , Giorgos Stamou

Large Language Models (LLMs) have transformed natural language processing (NLP) tasks, but they suffer from hallucination, generating plausible yet factually incorrect content. This issue extends to Video-Language Models (VideoLLMs), where…

计算机视觉与模式识别 · 计算机科学 2025-04-22 Ahmad Khalil , Mahmoud Khalil , Alioune Ngom

Generative models are prone to hallucinations: plausible but incorrect structures absent in the ground truth. This issue is problematic in image restoration for safety-critical domains such as medical imaging, industrial inspection, and…

计算机视觉与模式识别 · 计算机科学 2025-12-04 Seunghoi Kim , Henry F. J. Tregidgo , Chen Jin , Matteo Figini , Daniel C. Alexander

Retrieval-Augmented Generation (RAG) aims to mitigate hallucinations in large language models (LLMs) by grounding responses in retrieved documents. Yet, RAG-based LLMs still hallucinate even when provided with correct and sufficient…

计算与语言 · 计算机科学 2026-02-04 Samuel Yeh , Sharon Li , Tanwi Mallick

Multimodal Large Language Models (MLLMs) have demonstrated strong performance in visual understanding tasks, yet they often suffer from object hallucinations--generating descriptions of objects that are inconsistent with or entirely absent…

人工智能 · 计算机科学 2025-05-27 Xinmiao Hu , Chun Wang , Ruihe An , ChenYu Shao , Xiaojun Ye , Sheng Zhou , Liangcheng Li

Large Vision Language Models exhibit remarkable capabilities but struggle with hallucinations inconsistencies between images and their descriptions. Previous hallucination evaluation studies on LVLMs have identified hallucinations in terms…

人工智能 · 计算机科学 2024-11-11 Chaoya Jiang , Hongrui Jia , Wei Ye , Mengfan Dong , Haiyang Xu , Ming Yan , Ji Zhang , Shikun Zhang

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

Object hallucination remains a critical challenge in Large Vision-Language Models (LVLMs), where models generate content inconsistent with visual inputs. Existing language-decoder based mitigation approaches often regulate visual or textual…

计算机视觉与模式识别 · 计算机科学 2025-11-13 Liu Yu , Zhonghao Chen , Ping Kuang , Zhikun Feng , Fan Zhou , Lan Wang , Gillian Dobbie

Large Language Models (LLMs) have become powerful, but hallucinations remain a vital obstacle to their trustworthy use. Previous works improved the capability of hallucination detection by measuring uncertainty. But they can not explain the…

计算与语言 · 计算机科学 2026-02-03 Yiming Huang , Junyan Zhang , Zihao Wang , Biquan Bie , Yunzhong Qiu , Xuming Hu , Yi R. Fung , Xinlei He

Segmentation Vision-Language Models (VLMs) have significantly advanced grounded visual understanding, yet they remain prone to pixel-grounding hallucinations, producing masks for incorrect objects or for objects that are entirely absent.…

计算机视觉与模式识别 · 计算机科学 2026-04-24 Xinzhuo Li , Adheesh Juvekar , Jiaxun Zhang , Xingyou Liu , Muntasir Wahed , Kiet A. Nguyen , Yifan Shen , Tianjiao Yu , Ismini Lourentzou

The rapid advancement of generative models has intensified the challenge of detecting and interpreting visual forgeries, necessitating robust frameworks for image forgery detection while providing reasoning as well as localization. While…

计算机视觉与模式识别 · 计算机科学 2025-09-09 Ipsita Praharaj , Yukta Butala , Badrikanath Praharaj , Yash Butala

This work introduces a novel methodology for the automatic detection of hallucinations generated during large language model (LLM) inference. The proposed approach is based on a systematic taxonomy and controlled reproduction of diverse…

计算与语言 · 计算机科学 2025-10-08 Maksym Zavhorodnii , Dmytro Dehtiarov , Anna Konovalenko

Object hallucination is a significant challenge that hinders the application of large vision-language models (LVLMs) in practice. We hypothesize that one possible origin of hallucination is the model's tendency to prioritize text generation…

计算机视觉与模式识别 · 计算机科学 2026-05-21 Meng Shen , Minghao Wu , Deepu Rajan

Large Language Models (LLMs) are adept at text manipulation -- tasks such as machine translation and text summarization. However, these models can also be prone to hallucination, which can be detrimental to the faithfulness of any answers…

计算与语言 · 计算机科学 2024-04-04 Priyesh Vakharia , Devavrat Joshi , Meenal Chavan , Dhananjay Sonawane , Bhrigu Garg , Parsa Mazaheri

Multimodal Large Language Models (MLLMs) excel in vision-language tasks, such as image captioning and visual question answering. However, they often suffer from over-reliance on spurious correlations, primarily due to linguistic priors that…

计算机视觉与模式识别 · 计算机科学 2025-06-24 Yixuan Wu , Yang Zhang , Jian Wu , Philip Torr , Jindong Gu

The hallucination problem in multimodal large language models (MLLMs) remains a common issue. Although image tokens occupy a majority of the input sequence of MLLMs, there is limited research to explore the relationship between image tokens…

计算机视觉与模式识别 · 计算机科学 2024-11-18 Xiaofeng Zhang , Yihao Quan , Chaochen Gu , Chen Shen , Xiaosong Yuan , Shaotian Yan , Hao Cheng , Kaijie Wu , Jieping Ye

While multimodal large language models excel at various tasks, they still suffer from hallucinations, which limit their reliability and scalability for broader domain applications. To address this issue, recent research mainly focuses on…

人工智能 · 计算机科学 2025-06-10 Liangliang You , Junchi Yao , Shu Yang , Guimin Hu , Lijie Hu , Di Wang

The generation of factually incorrect objects, commonly known as object hallucination, remains a persistent challenge in Large Vision-Language Models (LVLMs). Current approaches to address this issue - ranging from expensive data-driven…

人工智能 · 计算机科学 2026-05-26 Yuanzhi Xu , Qian Gao , Jun Fan , Guohui Ding , Zhenyu Yang , Sixue Lin , Yuteng Xiao

Hallucinations in Large Language Models (LLMs) pose a major barrier to their reliable use in critical decision-making. Although existing hallucination detection methods have improved accuracy, they still struggle with disentangling semantic…

计算与语言 · 计算机科学 2026-04-02 Junjie Hu , Gang Tu , ShengYu Cheng , Jinxin Li , Jinting Wang , Rui Chen , Zhilong Zhou , Dongbo Shan