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Within the multimodal field, large vision-language models (LVLMs) have made significant progress due to their strong perception and reasoning capabilities in the visual and language systems. However, LVLMs are still plagued by the two…

计算机视觉与模式识别 · 计算机科学 2024-06-14 Sirui Cheng , Siyu Zhang , Jiayi Wu , Muchen Lan

Large Vision-Language Models (LVLMs) have recently demonstrated remarkable progress, yet hallucination remains a critical barrier, particularly in chart understanding, which requires sophisticated perceptual and cognitive abilities as well…

计算机视觉与模式识别 · 计算机科学 2025-09-23 Xingqi Wang , Yiming Cui , Xin Yao , Shijin Wang , Guoping Hu , Xiaoyu Qin

Multimodal large language models (MLLMs) have achieved remarkable success across diverse vision-language tasks, yet they remain highly susceptible to hallucinations, producing content that is fluent but inconsistent with visual evidence.…

计算机视觉与模式识别 · 计算机科学 2025-09-29 Youxu Shi , Suorong Yang , Dong Liu

Multimodal Large Language Models (MLLMs) have shown remarkable proficiency on general-purpose vision-language benchmarks, reaching or even exceeding human-level performance. However, these evaluations typically rely on standard…

计算机视觉与模式识别 · 计算机科学 2026-02-03 Wenjin Hou , Wei Liu , Han Hu , Xiaoxiao Sun , Serena Yeung-Levy , Hehe Fan

While Large Vision-Language Models (LVLMs) have exhibited remarkable capabilities across a wide range of tasks, they suffer from hallucination problems, where models generate plausible yet incorrect answers given the input image-query pair.…

计算机视觉与模式识别 · 计算机科学 2024-08-02 Xiaoye Qu , Mingyang Song , Wei Wei , Jianfeng Dong , Yu Cheng

Large language models and vision transformers have demonstrated impressive zero-shot capabilities, enabling significant transferability in downstream tasks. The fusion of these models has resulted in multi-modal architectures with enhanced…

计算机视觉与模式识别 · 计算机科学 2025-01-07 Andrés Villa , Juan León Alcázar , Motasem Alfarra , Vladimir Araujo , Alvaro Soto , Bernard Ghanem

Vision-language models (VLMs) enable open-ended visual question answering but remain prone to hallucinations. We present HEDGE, a unified framework for hallucination detection that combines controlled visual perturbations, semantic…

计算机视觉与模式识别 · 计算机科学 2025-11-18 Sushant Gautam , Michael A. Riegler , Pål Halvorsen

Pretrained Large Language Models (LLMs) are prone to generating fluent yet factually incorrect text-a phenomenon known as hallucinations, undermining their reliability and utility in downstream tasks. We hypothesize that a generated text…

Dialogue systems can leverage large pre-trained language models and knowledge to generate fluent and informative responses. However, these models are still prone to produce hallucinated responses not supported by the input source, which…

计算与语言 · 计算机科学 2023-05-15 Ziwei Ji , Zihan Liu , Nayeon Lee , Tiezheng Yu , Bryan Wilie , Min Zeng , Pascale Fung

Despite the impressive capabilities of Large Vision-Language Models (LVLMs), they remain susceptible to hallucinations-generating content that is inconsistent with the input image. Existing training-free hallucination mitigation methods…

机器学习 · 计算机科学 2025-05-20 Kai Tang , Jinhao You , Xiuqi Ge , Hanze Li , Yichen Guo , Xiande Huang

Multi-modal Large Language Models (MLLMs) demonstrate remarkable success across various vision-language tasks. However, they suffer from visual hallucination, where the generated responses diverge from the provided image. Are MLLMs…

计算机视觉与模式识别 · 计算机科学 2024-09-04 Dingchen Yang , Bowen Cao , Guang Chen , Changjun Jiang

By leveraging both texts and images, large vision language models (LVLMs) have shown significant progress in various multi-modal tasks. Nevertheless, these models often suffer from hallucinations, e.g., they exhibit inconsistencies between…

计算机视觉与模式识别 · 计算机科学 2026-05-12 Nhi Pham , Michael Schott

Large Vision-Language Models (LVLMs) have achieved impressive performance, yet research has pointed out a serious issue with object hallucinations within these models. However, there is no clear conclusion as to which part of the model…

计算机视觉与模式识别 · 计算机科学 2024-10-07 Yufang Liu , Tao Ji , Changzhi Sun , Yuanbin Wu , Aimin Zhou

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

Hallucination is a well-known phenomenon in text generated by large language models (LLMs). The existence of hallucinatory responses is found in almost all application scenarios e.g., summarization, question-answering (QA) etc. For…

Combining multiple perceptual inputs and performing combinatorial reasoning in complex scenarios is a sophisticated cognitive function in humans. With advancements in multi-modal large language models, recent benchmarks tend to evaluate…

计算机视觉与模式识别 · 计算机科学 2025-03-11 Chao Wang , Luning Zhang , Zheng Wang , Yang Zhou

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…

计算机视觉与模式识别 · 计算机科学 2025-08-05 Haohan Zheng , Zhenguo Zhang

Large Language Models (LLMs) are powerful linguistic engines but remain susceptible to hallucinations: plausible-sounding outputs that are factually incorrect or unsupported. In this work, we present a mathematically grounded framework to…

计算与语言 · 计算机科学 2025-11-20 Moses Kiprono

Hallucination has been a long-standing and inevitable problem that hinders the application of Large Vision-Language Models (LVLMs) in domains that require high reliability. Various methods focus on improvement depending on data annotations…

计算机视觉与模式识别 · 计算机科学 2025-02-04 Chao Wang , Jianming Yang , Yang Zhou

Mitigating object hallucination in large vision-language models (LVLMs) is critical to their safe deployment. Existing methods either are restricted to specific decoding methods, or demand sophisticated modifications to visual inputs, or…

计算机视觉与模式识别 · 计算机科学 2025-07-11 Xixi Liu , Ailin Deng , Christopher Zach