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Image and language modeling is of crucial importance for vision-language pre-training (VLP), which aims to learn multi-modal representations from large-scale paired image-text data. However, we observe that most existing VLP methods focus…

Computer Vision and Pattern Recognition · Computer Science 2022-08-22 Sunan He , Taian Guo , Tao Dai , Ruizhi Qiao , Chen Wu , Xiujun Shu , Bo Ren

Vision-Language Models (VLMs) are increasingly used as perceptual modules for visual content reasoning, including through captioning and DeepFake detection. In this work, we expose a critical vulnerability of VLMs when exposed to subtle,…

Computer Vision and Pattern Recognition · Computer Science 2025-08-14 Jordan Vice , Naveed Akhtar , Yansong Gao , Richard Hartley , Ajmal Mian

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.…

Computer Vision and Pattern Recognition · Computer Science 2025-09-29 Youxu Shi , Suorong Yang , Dong Liu

Despite recent advances in Vision-Language Models (VLMs), they may over-rely on visual language priors existing in their training data rather than true visual reasoning. To investigate this, we introduce ViLP, a benchmark featuring…

Computer Vision and Pattern Recognition · Computer Science 2025-04-15 Tiange Luo , Ang Cao , Gunhee Lee , Justin Johnson , Honglak Lee

Visualizations help communicate data insights, but deceptive data representations can distort their interpretation and propagate misinformation. While recent Vision Language Models (VLMs) perform well on many chart understanding tasks,…

Computer Vision and Pattern Recognition · Computer Science 2026-04-21 Harsh Nishant Lalai , Raj Sanjay Shah , Hanspeter Pfister , Sashank Varma , Grace Guo

The rapid development of Large Multimodal Models (LMMs) has significantly advanced multimodal understanding by harnessing the language abilities of Large Language Models (LLMs) and integrating modality-specific encoders. However, LMMs are…

Computation and Language · Computer Science 2025-02-20 Anirudh Phukan , Divyansh , Harshit Kumar Morj , Vaishnavi , Apoorv Saxena , Koustava Goswami

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

Vision-Language Models (VLMs) have demonstrated remarkable performance across a variety of real-world tasks. However, existing VLMs typically process visual information by serializing images, a method that diverges significantly from the…

Computer Vision and Pattern Recognition · Computer Science 2026-02-10 Yueyan Li , Chenggong Zhao , Zeyuan Zang , Caixia Yuan , Xiaojie Wang

This work investigates the fundamental fragility of state-of-the-art Vision-Language Models (VLMs) under basic geometric transformations. While modern VLMs excel at semantic tasks such as recognizing objects in canonical orientations and…

Computer Vision and Pattern Recognition · Computer Science 2026-04-06 Jason Qiu , Zachary Meurer , Xavier Thomas , Deepti Ghadiyaram

Vision Language Models (VLMs) excel at identifying and describing objects but often fail at spatial reasoning. We study why VLMs, such as LLaVA, underutilize spatial cues despite having positional encodings and spatially rich vision encoder…

Computer Vision and Pattern Recognition · Computer Science 2025-10-02 Jianing Qi , Jiawei Liu , Hao Tang , Zhigang Zhu

Visual Language Models (VLMs) are essential for various tasks, particularly visual reasoning tasks, due to their robust multi-modal information integration, visual reasoning capabilities, and contextual awareness. However, existing \VLMs{}'…

Computation and Language · Computer Science 2024-09-13 Zaiqiao Meng , Hao Zhou , Yifang Chen

Multimodal Large Language Models (MLLMs) are increasingly used to interpret visualizations, yet little is known about why they fail. We present the first systematic analysis of barriers to visualization literacy in MLLMs. Using the…

Human-Computer Interaction · Computer Science 2026-01-21 Mengli , Duan , Yuhe , Jiang , Matthew Varona , Carolina Nobre

2D assembly diagrams are often abstract and hard to follow, creating a need for intelligent assistants that can monitor progress, detect errors, and provide step-by-step guidance. In mixed reality settings, such systems must recognize…

Computer Vision and Pattern Recognition · Computer Science 2026-05-28 Zhuchenyang Liu , Yao Zhang , Yu Xiao

Despite the rapid success of Large Vision-Language Models (LVLMs), a persistent challenge is their tendency to generate hallucinated content, undermining reliability in real-world use. Existing training-free methods address hallucinations…

Computer Vision and Pattern Recognition · Computer Science 2026-01-05 Neeraj Anand , Samyak Jha , Udbhav Bamba , Rahul Rahaman

Hallucination is a persistent challenge in large language models (LLMs), where even with rigorous quality control, models often generate distorted facts. This paradox, in which error generation continues despite high-quality training data,…

Computation and Language · Computer Science 2025-02-25 Yuji Zhang , Sha Li , Cheng Qian , Jiateng Liu , Pengfei Yu , Chi Han , Yi R. Fung , Kathleen McKeown , Chengxiang Zhai , Manling Li , Heng Ji

Vision-Language Models (VLMs) have demonstrated strong capabilities in aligning visual and textual modalities, enabling a wide range of applications in multimodal understanding and generation. While they excel in zero-shot and transfer…

Computer Vision and Pattern Recognition · Computer Science 2025-09-25 Hao Dong , Moru Liu , Jian Liang , Eleni Chatzi , Olga Fink

Large vision-language models (VLMs) are highly capable, yet often hallucinate by favoring textual prompts over visual evidence. We study this failure mode in a controlled object-counting setting, where the prompt overstates the number of…

Computer Vision and Pattern Recognition · Computer Science 2026-04-20 William Rudman , Michal Golovanevsky , Dana Arad , Yonatan Belinkov , Ritambhara Singh , Carsten Eickhoff , Kyle Mahowald

Due to the unidirectional masking mechanism, Decoder-Only models propagate information from left to right. LVLMs (Large Vision-Language Models) follow the same architecture, with visual information gradually integrated into semantic…

Computer Vision and Pattern Recognition · Computer Science 2025-09-24 Jianfei Zhao , Feng Zhang , Xin Sun , Chong Feng

Large-scale contrastive pre-training produces powerful Vision-and-Language Models (VLMs) capable of generating representations (embeddings) effective for a wide variety of visual and multimodal tasks. However, these pretrained embeddings…

Computer Vision and Pattern Recognition · Computer Science 2025-08-19 Nikolaos-Antonios Ypsilantis , Kaifeng Chen , André Araujo , Ondřej Chum

Large Vision-Language Models (LVLMs) are susceptible to hallucinations, where generated responses seem semantically plausible yet exhibit little or no relevance to the input image. Previous studies reveal that this issue primarily stems…

Computation and Language · Computer Science 2025-10-24 Hao Fang , Changle Zhou , Jiawei Kong , Kuofeng Gao , Bin Chen , Shu-Tao Xia