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Related papers: Sycophancy in Vision-Language Models: A Systematic…

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Vision-Language Models (VLMs) have recently emerged as powerful tools, excelling in tasks that integrate visual and textual comprehension, such as image captioning, visual question answering, and image-text retrieval. However, existing…

Computer Vision and Pattern Recognition · Computer Science 2025-03-26 Ilias Stogiannidis , Steven McDonagh , Sotirios A. Tsaftaris

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…

Artificial Intelligence · Computer Science 2025-05-27 Xinmiao Hu , Chun Wang , Ruihe An , ChenYu Shao , Xiaojun Ye , Sheng Zhou , Liangcheng Li

Recent research on Vision Language Models (VLMs) suggests that they rely on inherent biases learned during training to respond to questions about visual properties of an image. These biases are exacerbated when VLMs are asked highly…

Computer Vision and Pattern Recognition · Computer Science 2025-09-11 Saurav Sengupta , Nazanin Moradinasab , Jiebei Liu , Donald E. Brown

Although large Vision-Language Models (VLMs) have demonstrated remarkable performance in a wide range of multimodal tasks, their true reasoning capabilities on human IQ tests remain underexplored. To advance research on the fluid…

Computer Vision and Pattern Recognition · Computer Science 2025-05-20 Tan-Hanh Pham , Phu-Vinh Nguyen , Dang The Hung , Bui Trong Duong , Vu Nguyen Thanh , Chris Ngo , Tri Quang Truong , Truong-Son Hy

Large language models are often described as sycophantic, in the sense that they appear to flatter users or mirror their beliefs. We argue that this label is conceptually misleading: sycophancy implies motives and strategic intent, which…

Artificial Intelligence · Computer Science 2026-05-15 Federico Germani , Giovanni Spitale

While Multimodal Large Language Models (MLLMs) have demonstrated impressive capabilities in general visual understanding, they frequently falter in fine-grained perception tasks that require identifying tiny objects or discerning subtle…

Computer Vision and Pattern Recognition · Computer Science 2026-04-15 Jilong Zhu , Yang Feng

Vision-Language Models (VLMs) increasingly power high-stakes applications, from medical imaging to autonomous systems, yet they routinely hallucinate, confidently describing content not present in the input. We investigate the root causes…

Computer Vision and Pattern Recognition · Computer Science 2026-05-18 Harshvardhan Saini , Samyak Jha , Yiming Tang , Dianbo Liu

Large language models (LLMs) have demonstrated impressive capabilities across a wide range of natural language processing tasks. However, their outputs often exhibit social biases, raising fairness concerns. Existing debiasing methods, such…

Computation and Language · Computer Science 2026-02-05 Yujie Lin , Kunquan Li , Yixuan Liao , Xiaoxin Chen , Jinsong Su

Multimodal Large Language Models (MLLMs) have displayed remarkable performance in multi-modal tasks, particularly in visual comprehension. However, we reveal that MLLMs often generate incorrect answers even when they understand the visual…

Computer Vision and Pattern Recognition · Computer Science 2025-03-20 Yexin Liu , Zhengyang Liang , Yueze Wang , Xianfeng Wu , Feilong Tang , Muyang He , Jian Li , Zheng Liu , Harry Yang , Sernam Lim , Bo Zhao

Large Multimodal Models (LMMs), or Vision-Language Models (VLMs), have shown impressive capabilities in a wide range of visual tasks. However, they often struggle with fine-grained visual reasoning, failing to identify domain-specific…

Computer Vision and Pattern Recognition · Computer Science 2025-02-26 Yucheng Shi , Quanzheng Li , Jin Sun , Xiang Li , Ninghao Liu

Multimodal Large Language Models (MLLMs) deliver detailed responses on vision-language tasks, yet remain susceptible to object hallucination (introducing objects not present in the image), undermining reliability in practice. Prior efforts…

Machine Learning · Computer Science 2026-02-26 Shiwei Tan , Hengyi Wang , Weiyi Qin , Qi Xu , Zhigang Hua , Hao Wang

Multimodal Large Language Models (MLLMs) have demonstrated exceptional capabilities in various perception and reasoning tasks. Despite this success, ensuring their reliability in practical deployment necessitates robust confidence…

Computer Vision and Pattern Recognition · Computer Science 2026-04-21 Yunkai Dang , Yifan Jiang , Yizhu Jiang , Anqi Chen , Wenbin Li , Yang Gao

Despite significant advancements, current large language models (LLMs) and vision-language models (LVLMs) continue to struggle with complex, multi-step, cross-modal common sense reasoning tasks, often exhibiting a lack of "deliberative…

Computation and Language · Computer Science 2025-08-06 Wenjie Luo , Ruocheng Li , Shanshan Zhu , Julian Perry

Large Language Models (LLMs) are known to acquire reasoning capabilities through shared inference patterns in pre-training data, which are further elicited via Chain-of-Thought (CoT) practices. However, whether fundamental reasoning…

Computation and Language · Computer Science 2026-05-28 Xingwei Tan , Marco Valentino , Mahmud Elahi Akhter , Yuxiang Zhou , Maria Liakata , Nikolaos Aletras

While large vision-language models (LVLMs) have shown impressive capabilities in generating plausible responses correlated with input visual contents, they still suffer from hallucinations, where the generated text inaccurately reflects…

Computer Vision and Pattern Recognition · Computer Science 2024-12-10 Yi-Lun Lee , Yi-Hsuan Tsai , Wei-Chen Chiu

While Large Multimodal Models (LMMs) have made significant progress, they remain largely text-centric, relying on language as their core reasoning modality. As a result, they are limited in their ability to handle reasoning tasks that are…

Computer Vision and Pattern Recognition · Computer Science 2025-12-25 Kelvin Li , Chuyi Shang , Leonid Karlinsky , Rogerio Feris , Trevor Darrell , Roei Herzig

Vision-language models (VLMs) exhibit a systematic bias when confronted with classic optical illusions: they overwhelmingly predict the illusion as "real" regardless of whether the image has been counterfactually modified. We present a…

Computer Vision and Pattern Recognition · Computer Science 2026-04-01 Xuesong Wang , Harry Wang

Large Language Models (LLMs) and Large Reasoning Models (LRMs) offer transformative potential for high-stakes domains like finance and law, but their tendency to hallucinate, generating factually incorrect or unsupported content, poses a…

Artificial Intelligence · Computer Science 2026-01-16 Ahmad Pesaranghader , Erin Li

Multimodal Large Language Models (MLLMs) have achieved remarkable progress in vision-language understanding, yet how they internally integrate visual and textual information remains poorly understood. To bridge this gap, we perform a…

Computer Vision and Pattern Recognition · Computer Science 2026-01-14 Shezheng Song , Shasha Li , Jie Yu

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