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Related papers: Knowledge-based learning in Text-RAG and Image-RAG

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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

Hallucinations pose a significant challenge in Large Vision Language Models (LVLMs), with misalignment between multimodal features identified as a key contributing factor. This paper reveals the negative impact of the long-term decay in…

Computer Vision and Pattern Recognition · Computer Science 2025-07-24 Qiyan Zhao , Xiaofeng Zhang , Yiheng Li , Yun Xing , Xiaosong Yuan , Feilong Tang , Sinan Fan , Xuhang Chen , Xuyao Zhang , Dahan Wang

Retrieval-Augmented Generation (RAG) methods have proven highly effective for tasks requiring factual consistency and robust knowledge retrieval. However, large-scale RAG systems consume significant computational resources and are prone to…

Computation and Language · Computer Science 2025-06-03 Jennifer Chen , Aidar Myrzakhan , Yaxin Luo , Hassaan Muhammad Khan , Sondos Mahmoud Bsharat , Zhiqiang Shen

Retrieval-augmented generation (RAG) aims to reduce hallucinations by grounding responses in external context, yet large language models (LLMs) still frequently introduce unsupported information or contradictions even when provided with…

Computation and Language · Computer Science 2025-11-07 Manveer Singh Tamber , Forrest Sheng Bao , Chenyu Xu , Ge Luo , Suleman Kazi , Minseok Bae , Miaoran Li , Ofer Mendelevitch , Renyi Qu , Jimmy Lin

Vision-language models (VLMs) have shown strong promise for medical image analysis, but most remain opaque, offering predictions without the transparent, stepwise reasoning clinicians rely on. We present a framework that brings…

Computer Vision and Pattern Recognition · Computer Science 2025-10-31 Andriy Myronenko , Dong Yang , Baris Turkbey , Mariam Aboian , Sena Azamat , Esra Akcicek , Hongxu Yin , Pavlo Molchanov , Marc Edgar , Yufan He , Pengfei Guo , Yucheng Tang , Daguang Xu

Recently, Large Vision-Language Models (LVLMs) have demonstrated impressive capabilities in multi-modal context comprehension. However, they still suffer from hallucination problems referring to generating inconsistent outputs with the…

Computer Vision and Pattern Recognition · Computer Science 2024-09-02 Xiaoye Qu , Jiashuo Sun , Wei Wei , Yu Cheng

Graph-based Retrieval-Augmented Generation (GraphRAG) enhances Large Language Models (LLMs) by incorporating external knowledge from linearized subgraphs retrieved from knowledge graphs. However, LLMs struggle to interpret the relational…

Computation and Language · Computer Science 2025-12-11 Shanghao Li , Jinda Han , Yibo Wang , Yuanjie Zhu , Zihe Song , Langzhou He , Kenan Kamel A Alghythee , Philip S. Yu

Vision language models (VLM) demonstrate sophisticated multimodal reasoning yet are prone to hallucination when confronted with knowledge conflicts, impeding their deployment in information-sensitive contexts. While existing research…

Computer Vision and Pattern Recognition · Computer Science 2025-07-18 Peter Carragher , Nikitha Rao , Abhinand Jha , R Raghav , Kathleen M. Carley

Large-scale vision-language pre-trained (VLP) models are prone to hallucinate non-existent visual objects when generating text based on visual information. In this paper, we systematically study the object hallucination problem from three…

Computation and Language · Computer Science 2023-02-13 Wenliang Dai , Zihan Liu , Ziwei Ji , Dan Su , Pascale Fung

Hallucination, the generation of factually incorrect content, is a growing challenge in Large Language Models (LLMs). Existing detection and mitigation methods are often isolated and insufficient for domain-specific needs, lacking a…

Computation and Language · Computer Science 2025-01-22 Mengfei Liang , Archish Arun , Zekun Wu , Cristian Munoz , Jonathan Lutch , Emre Kazim , Adriano Koshiyama , Philip Treleaven

Retrieval-augmented generation (RAG) is a framework enabling large language models (LLMs) to enhance their accuracy and reduce hallucinations by integrating external knowledge bases. In this paper, we introduce a hybrid RAG system enhanced…

Computation and Language · Computer Science 2024-09-04 Ye Yuan , Chengwu Liu , Jingyang Yuan , Gongbo Sun , Siqi Li , Ming Zhang

Radiology Report Generation (RRG) aims to produce accurate and coherent diagnostics from medical images. Although large vision language models (LVLM) improve report fluency and accuracy, they exhibit hallucinations, generating plausible yet…

Computation and Language · Computer Science 2026-02-05 Ruixiao Yang , Yuanhe Tian , Xu Yang , Huiqi Li , Yan Song

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…

Computer Vision and Pattern Recognition · Computer Science 2025-07-11 Xixi Liu , Ailin Deng , Christopher Zach

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…

Computer Vision and Pattern Recognition · Computer Science 2024-11-26 Junzhe Chen , Tianshu Zhang , Shiyu Huang , Yuwei Niu , Linfeng Zhang , Lijie Wen , Xuming Hu

Vision-Language Models (VLMs) have made significant strides in static image understanding but continue to face critical hurdles in spatiotemporal reasoning. A major bottleneck is "multi-image reasoning hallucination", where a massive…

Artificial Intelligence · Computer Science 2026-04-14 Xiaoda Yang , Shuai Yang , Can Wang , Jingyang Xue , Menglan Tang , Checheng Yu , Xunzhe Zhou , Sashuai Zhou , Tao Jin , Lixin Yang , Xiangyu Yue , Zhou Zhao

Large Vision-Language Models (LVLMs) have demonstrated remarkable performance in complex multimodal tasks. However, these models still suffer from hallucinations, particularly when required to implicitly recognize or infer diverse visual…

Computer Vision and Pattern Recognition · Computer Science 2025-03-17 Ashish Seth , Dinesh Manocha , Chirag Agarwal

Multimodal Large Language Models (MLLMs) hallucinate, resulting in an emerging topic of visual hallucination evaluation (VHE). This paper contributes a ChatGPT-Prompted visual hallucination evaluation Dataset (PhD) for objective VHE at a…

Computer Vision and Pattern Recognition · Computer Science 2025-04-15 Jiazhen Liu , Yuhan Fu , Ruobing Xie , Runquan Xie , Xingwu Sun , Fengzong Lian , Zhanhui Kang , Xirong Li

Recent advancements in Large Vision-Language Models (LVLMs) have significantly expanded their utility in tasks like image captioning and visual question answering. However, they still struggle with object hallucination, where models…

Computer Vision and Pattern Recognition · Computer Science 2025-05-26 Yeongjae Cho , Keonwoo Kim , Taebaek Hwang , Sungzoon Cho

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…

Computer Vision and Pattern Recognition · Computer Science 2025-09-23 Xingqi Wang , Yiming Cui , Xin Yao , Shijin Wang , Guoping Hu , Xiaoyu Qin

Retrieval-Augmented Generation (RAG) effectively reduces hallucinations in Large Language Models (LLMs) but can still produce inconsistent or unsupported content. Although LLM-as-a-Judge is widely used for RAG hallucination detection due to…

Computation and Language · Computer Science 2025-02-27 Zhouyu Jiang , Mengshu Sun , Zhiqiang Zhang , Lei Liang