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Recent Large Vision-Language Models (LVLMs) have demonstrated remarkable performance across various multimodal tasks that require understanding both visual and linguistic inputs. However, object hallucination -- the generation of…

Computer Vision and Pattern Recognition · Computer Science 2026-04-02 Jiwoo Ha , Jongwoo Baek , Jinhyun So

Large language models are unable to continuously adapt and learn from new data during reasoning at inference time. To address this limitation, we propose that complex reasoning tasks be decomposed into atomic subtasks and introduce SAGE, a…

Computation and Language · Computer Science 2025-09-09 Jiacheng Wei , Faguo Wu , Xiao Zhang

Large vision-language models (LVLMs), which integrate a vision encoder (VE) with a large language model, have achieved remarkable success across various tasks. However, there are still crucial challenges in LVLMs such as object…

Computer Vision and Pattern Recognition · Computer Science 2025-10-13 Hoigi Seo , Dong Un Kang , Hyunjin Cho , Joohoon Lee , Se Young Chun

Large Vision-Language Models (LVLMs) still struggle with vision hallucination, where generated responses are inconsistent with the visual input. Existing methods either rely on large-scale annotated data for fine-tuning, which incurs…

Computer Vision and Pattern Recognition · Computer Science 2026-04-21 Yu Zhang , Chuyang Sun , Kehai Chen , Xuefeng Bai , Yang Xiang , Min Zhang

Hallucination mitigation remains a persistent challenge for large language models (LLMs), even as model scales grow. Existing approaches often rely on external knowledge sources, such as structured databases or knowledge graphs, accessed…

Computation and Language · Computer Science 2025-11-07 Manh Nguyen , Sunil Gupta , Dai Do , Hung Le

Large vision-language models (LVLMs) are now central to healthcare applications such as medical visual question answering and imaging report generation. Yet, these models remain vulnerable to hallucination outputs that appear plausible but…

Computer Vision and Pattern Recognition · Computer Science 2025-12-02 Zahra Mahdavi , Zahra Khodakaramimaghsoud , Hooman Khaloo , Sina Bakhshandeh Taleshani , Erfan Hashemi , Javad Mirzapour Kaleybar , Omid Nejati Manzari

Large Vision-Language Models (LVLMs) have achieved remarkable performance on diverse vision-language tasks. However, LVLMs still suffer from hallucinations, generating text that contradicts the visual input. Existing research has primarily…

Computer Vision and Pattern Recognition · Computer Science 2026-05-13 Zhenxin Qin , Qiang Li , Qingzhuo Wang , Ruiyang Qin , Zhihua Wei , Wen Shen

Multimodal Large Language Models (MLLMs) often suffer from hallucinations, particularly errors in object existence, attributes, or relations, which undermine their reliability. We introduce TACO (Verified Atomic Confidence Estimation), a…

Computer Vision and Pattern Recognition · Computer Science 2025-11-13 Jiarui Liu , Weihao Xuan , Zhijing Jin , Mona Diab

Multimodal Large Language Models (MLLMs) have emerged as a central focus in both industry and academia, but often suffer from biases introduced by visual and language priors, which can lead to multimodal hallucination. These biases arise…

Computer Vision and Pattern Recognition · Computer Science 2025-02-19 Guanyu Zhou , Yibo Yan , Xin Zou , Kun Wang , Aiwei Liu , Xuming Hu

Large Language Models (LLMs) are powerful and widely adopted, but their practical impact is limited by the well-known hallucination phenomenon. While recent hallucination detection methods have made notable progress, we find most of them…

Computation and Language · Computer Science 2026-04-21 Boshui Chen , Zhaoxin Fan , Ke Wang , Zhiying Leng , Faguo Wu , Hongwei Zheng , Yifan Sun , Wenjun Wu

Recent advancements in multimodal large reasoning models (MLRMs) have significantly improved performance in visual question answering. However, we observe that transition words (e.g., because, however, and wait) are closely associated with…

Computer Vision and Pattern Recognition · Computer Science 2026-03-17 Zhongxing Xu , Zhonghua Wang , Zhe Qian , Dachuan Shi , Feilong Tang , Ming Hu , Shiyan Su , Xiaocheng Zou , Wei Feng , Dwarikanath Mahapatra , Yifan Peng , Mingquan Lin , Zongyuan Ge

Object hallucination in Large Vision-Language Models (LVLMs) severely compromises their reliability in real-world applications, posing a critical barrier to their deployment in high-stakes scenarios such as autonomous driving and medical…

Computer Vision and Pattern Recognition · Computer Science 2026-03-26 Han Sun , Qin Li , Peixin Wang , Min Zhang

Large Vision-Language Models (LVLMs) with discrete image tokenizers unify multimodal representations by encoding visual inputs into a finite set of tokens. Despite their effectiveness, we find that these models still hallucinate…

Computer Vision and Pattern Recognition · Computer Science 2025-05-29 Weixing Wang , Zifeng Ding , Jindong Gu , Rui Cao , Christoph Meinel , Gerard de Melo , Haojin Yang

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…

Computer Vision and Pattern Recognition · Computer Science 2026-05-21 Meng Shen , Minghao Wu , Deepu Rajan

Rapid progress in large vision-language models (LVLMs) has achieved unprecedented performance in vision-language tasks. However, due to the strong prior of large language models (LLMs) and misaligned attention across modalities, LVLMs often…

Computer Vision and Pattern Recognition · Computer Science 2026-02-11 Ziqiang Shi , Rujie Liu , Shanshan Yu , Satoshi Munakata , Koichi Shirahata

Large Vision Language Models (LVLMs) have recently emerged as powerful architectures capable of understanding and reasoning over both visual and textual information. These models typically rely on two key components: a Vision Transformer…

Computer Vision and Pattern Recognition · Computer Science 2025-10-10 Jiayun Luo , Wan-Cyuan Fan , Lyuyang Wang , Xiangteng He , Tanzila Rahman , Purang Abolmaesumi , Leonid Sigal

Large Vision-Language Models (LVLMs) can reason from image-text inputs and perform well in various multimodal tasks. Despite this success, they are affected by language priors and often produce hallucinations. Hallucinations denote…

Computer Vision and Pattern Recognition · Computer Science 2026-03-25 Xinrong Chen , Xu Chu , Yingmin Qiu , Hengyuan Zhang , Jing Xiong , Shiyu Tang , Shuai Liu , Shaokang Yang , Cheng Yang , Hayden Kwok-Hay So , Ngai Wong

Hallucinations pose a significant challenge to the reliability of large vision-language models, making their detection essential for ensuring accuracy in critical applications. Current detection methods often rely on computationally…

Computer Vision and Pattern Recognition · Computer Science 2025-06-13 Eunkyu Park , Minyeong Kim , Gunhee Kim

Multimodal Large Language Models (MLLMs) achieve strong performance on tasks like image captioning and visual question answering, but remain prone to hallucinations, where generated text conflicts with the visual input. Prior work links…

Computer Vision and Pattern Recognition · Computer Science 2025-11-18 Tiancheng Yang , Lin Zhang , Jiaye Lin , Guimin Hu , Di Wang , Lijie Hu

Large vision-language models can produce object hallucinations in image descriptions, highlighting the need for effective detection and mitigation strategies. Prior work commonly relies on the model's attention weights on visual tokens as a…

Computer Vision and Pattern Recognition · Computer Science 2026-04-13 Reihaneh Zohrabi , Hosein Hasani , Akshita Gupta , Mahdieh Soleymani Baghshah , Anna Rohrbach , Marcus Rohrbach