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In recent years, the rapid evolution of large vision-language models (LVLMs) has driven a paradigm shift in multimodal fake news detection (MFND), transforming it from traditional feature-engineering approaches to unified, end-to-end…

Artificial Intelligence · Computer Science 2026-01-23 Wei Ai , Yilong Tan , Yuntao Shou , Tao Meng , Haowen Chen , Zhixiong He , Keqin Li

Large Vision-Language Models (LVLMs) have exhibited impressive capabilities across various visual tasks, yet they remain hindered by the persistent challenge of hallucinations. To address this critical issue, we propose Mixture of Decoding…

Computation and Language · Computer Science 2025-06-11 Xinlong Chen , Yuanxing Zhang , Qiang Liu , Junfei Wu , Fuzheng Zhang , Tieniu Tan

Recent vision-language models (VLMs) achieve strong zero-shot performance via large-scale image-text pretraining and have been widely adopted in medical image analysis. However, existing VLMs remain notably weak at understanding negated…

Computer Vision and Pattern Recognition · Computer Science 2026-02-02 Tae Hun Kim , Hyun Gyu Lee

LVLMs have achieved strong multimodal reasoning capabilities but remain prone to hallucinations, producing outputs inconsistent with visual inputs or user instructions. Existing training-free methods, including contrastive decoding and…

Computer Vision and Pattern Recognition · Computer Science 2026-02-18 Guangtao Lyu , Qi Liu , Chenghao Xu , Jiexi Yan , Muli Yang , Xueting Li , Fen Fang , Cheng Deng

Large Visual Language Models (LVLMs) integrate visual and linguistic modalities, exhibiting exceptional performance across various multimodal tasks. Nevertheless, LVLMs remain vulnerable to the issue of object hallucinations. Previous…

Computer Vision and Pattern Recognition · Computer Science 2025-02-04 Chao Wang , Xuancheng Zhou , Weiwei Fu , Yang Zhou

In the realms of computer vision and natural language processing, Multimodal Large Language Models (MLLMs) have become indispensable tools, proficient in generating textual responses based on visual inputs. Despite their advancements, our…

Computer Vision and Pattern Recognition · Computer Science 2025-08-15 YiFan Zhang , Yang Shi , Weichen Yu , Qingsong Wen , Xue Wang , Wenjing Yang , Zhang Zhang , Liang Wang , Rong Jin

Generative Vision-Language Models (VLMs) are prone to generate plausible-sounding textual answers that, however, are not always grounded in the input image. We investigate this phenomenon, usually referred to as "hallucination" and show…

Computer Vision and Pattern Recognition · Computer Science 2024-03-22 Alessandro Favero , Luca Zancato , Matthew Trager , Siddharth Choudhary , Pramuditha Perera , Alessandro Achille , Ashwin Swaminathan , Stefano Soatto

Multimodal Large Language Models (MLLMs) excel in vision-language tasks, such as image captioning and visual question answering. However, they often suffer from over-reliance on spurious correlations, primarily due to linguistic priors that…

Computer Vision and Pattern Recognition · Computer Science 2025-06-24 Yixuan Wu , Yang Zhang , Jian Wu , Philip Torr , Jindong Gu

Multimodal Diffusion Large Language Models (MDLLMs) achieve high-concurrency generation through parallel masked decoding, yet the architectures remain prone to multimodal hallucinations. This structural vulnerability stems from an…

Computer Vision and Pattern Recognition · Computer Science 2026-03-27 Vishal Narnaware , Animesh Gupta , Kevin Zhai , Zhenyi Wang , Mubarak Shah

We propose a novel approach for dynamic negative prompting in diffusion models that leverages Vision-Language Models (VLMs) to adaptively generate negative prompts during the denoising process. Unlike traditional Negative Prompting methods…

Computer Vision and Pattern Recognition · Computer Science 2025-10-31 Hoyeon Chang , Seungjin Kim , Yoonseok Choi

Large vision-language models (LVLMs) suffer from hallucination a lot, generating responses that apparently contradict to the image content occasionally. The key problem lies in its weak ability to comprehend detailed content in a…

Computer Vision and Pattern Recognition · Computer Science 2023-11-29 Zhiyang Chen , Yousong Zhu , Yufei Zhan , Zhaowen Li , Chaoyang Zhao , Jinqiao Wang , Ming Tang

Large language models (LLMs) tend to inadequately integrate input context during text generation, relying excessively on encoded prior knowledge in model parameters, potentially resulting in generated text with factual inconsistencies or…

Computation and Language · Computer Science 2024-05-07 Zheng Zhao , Emilio Monti , Jens Lehmann , Haytham Assem

Instruction-following Vision Large Language Models (VLLMs) have achieved significant progress recently on a variety of tasks. These approaches merge strong pre-trained vision models and large language models (LLMs). Since these components…

Machine Learning · Computer Science 2024-02-20 Yiyang Zhou , Chenhang Cui , Rafael Rafailov , Chelsea Finn , Huaxiu Yao

Learning generalizable reward functions is a core challenge in embodied intelligence. Recent work leverages contrastive vision language models (VLMs) to obtain dense, domain-agnostic rewards without human supervision. These methods adapt…

Machine Learning · Computer Science 2025-12-25 Simon Roy , Samuel Barbeau , Giovanni Beltrame , Christian Desrosiers , Nicolas Thome

Vision-language models (VLMs) have advanced rapidly, but their ability to capture spatial relationships remains a blindspot. Current VLMs are typically built with contrastive language-image pretraining (CLIP) style image encoders. The…

Computer Vision and Pattern Recognition · Computer Science 2026-01-26 Nahid Alam , Leema Krishna Murali , Siddhant Bharadwaj , Patrick Liu , Timothy Chung , Drishti Sharma , Akshata A , Kranthi Kiran , Wesley Tam , Bala Krishna S Vegesna

Large Vision-Language Models (LVLMs) integrate image encoders with Large Language Models (LLMs) to process multi-modal inputs and perform complex visual tasks. However, they often generate hallucinations by describing non-existent objects…

Computer Vision and Pattern Recognition · Computer Science 2025-02-25 Yaqi Sun , Kyohei Atarashi , Koh Takeuchi , Hisashi Kashima

Distracted driving is a major cause of traffic collisions, calling for robust and scalable detection methods. Vision-language models (VLMs) enable strong zero-shot image classification, but existing VLM-based distracted driver detectors…

Computer Vision and Pattern Recognition · Computer Science 2026-01-14 Takamichi Miyata , Sumiko Miyata , Andrew Morris

Representation learning is the foundation of natural language processing (NLP). This work presents new methods to employ visual information as assistant signals to general NLP tasks. For each sentence, we first retrieve a flexible number of…

Computation and Language · Computer Science 2023-01-10 Zhuosheng Zhang , Kehai Chen , Rui Wang , Masao Utiyama , Eiichiro Sumita , Zuchao Li , Hai Zhao

Achieving robust perception-reasoning synergy is a central goal for advanced Vision-Language Models (VLMs). Recent advancements have pursued this goal via architectural designs or agentic workflows. However, these approaches are often…

Artificial Intelligence · Computer Science 2026-05-15 Haozhe Wang , Qixin Xu , Changpeng Wang , Taofeng Xue , Chong Peng , Wenhu Chen , Fangzhen Lin

As Multimodal Large Language Models (MLLMs) gain widespread applicability, it is becoming increasingly desirable to adapt them for diverse user needs. In this paper, we study the adaptation of MLLMs through controlled decoding. To achieve…

Computer Vision and Pattern Recognition · Computer Science 2025-08-18 Oscar Mañas , Pierluca D'Oro , Koustuv Sinha , Adriana Romero-Soriano , Michal Drozdzal , Aishwarya Agrawal