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Large Vision-Language Models (LVLMs) demonstrate significant progress in multimodal understanding and reasoning, yet object hallucination remains a critical challenge. While existing research focuses on mitigating language priors or…

计算机视觉与模式识别 · 计算机科学 2026-01-08 Yuxuan Xia , Siheng Wang , Peng Li

Large Vision-Language Models (LVLMs) have advanced considerably, intertwining visual recognition and language understanding to generate content that is not only coherent but also contextually attuned. Despite their success, LVLMs still…

计算机视觉与模式识别 · 计算机科学 2023-11-29 Sicong Leng , Hang Zhang , Guanzheng Chen , Xin Li , Shijian Lu , Chunyan Miao , Lidong Bing

Image forgery localization aims to precisely identify tampered regions within images, but it commonly depends on costly pixel-level annotations. To alleviate this annotation burden, weakly supervised image forgery localization (WSIFL) has…

计算机视觉与模式识别 · 计算机科学 2025-08-05 Ziqi Sheng , Junyan Wu , Wei Lu , Jiantao Zhou

Uncertainty estimation is a promising approach to detect hallucinations in large language models (LLMs). Recent approaches commonly depend on model internal states to estimate uncertainty. However, they suffer from strict assumptions on how…

计算与语言 · 计算机科学 2026-04-20 Ponhvoan Srey , Xiaobao Wu , Cong-Duy Nguyen , Anh Tuan Luu

Detecting hallucinations in large language models (LLMs) remains a fundamental challenge for their trustworthy deployment. Going beyond basic uncertainty-driven hallucination detection frameworks, we propose a simple yet powerful method…

人工智能 · 计算机科学 2025-10-10 Rui Wang , Zeming Wei , Guanzhang Yue , Meng Sun

Vision-Language Models (VLMs) have advanced multi-modal tasks like image captioning, visual question answering, and reasoning. However, they often generate hallucinated outputs inconsistent with the visual context or prompt, limiting…

计算机视觉与模式识别 · 计算机科学 2025-03-18 Shawn Li , Jiashu Qu , Yuxiao Zhou , Yuehan Qin , Tiankai Yang , Yue Zhao

Large vision-language models (LVLMs) have made significant progress in recent years. While LVLMs exhibit excellent ability in language understanding, question answering, and conversations of visual inputs, they are prone to producing…

计算与语言 · 计算机科学 2024-11-20 Qing Li , Jiahui Geng , Chenyang Lyu , Derui Zhu , Maxim Panov , Fakhri Karray

Large vision-language models (LVLMs) have demonstrated remarkable multimodal comprehension and reasoning capabilities, but they still suffer from severe object hallucination. Previous studies primarily attribute the flaw to linguistic prior…

计算机视觉与模式识别 · 计算机科学 2025-08-05 Haohan Zheng , Zhenguo Zhang

Large Multimodal Models (LMMs) have achieved impressive progress in visual perception and reasoning. However, when confronted with visually ambiguous or non-semantic scene text, they often struggle to accurately spot and understand the…

计算机视觉与模式识别 · 计算机科学 2025-10-08 Yan Shu , Hangui Lin , Yexin Liu , Yan Zhang , Gangyan Zeng , Yan Li , Yu Zhou , Ser-Nam Lim , Harry Yang , Nicu Sebe

Existing reference (RF)-based super-resolution (SR) models try to improve perceptual quality in SR under the assumption of the availability of high-resolution RF images paired with low-resolution (LR) inputs at testing. As the RF images…

计算机视觉与模式识别 · 计算机科学 2021-04-07 Mohammad Saeed Rad , Thomas Yu , Behzad Bozorgtabar , Jean-Philippe Thiran

Large Vision-Language Models (LVLMs) have shown remarkable performance on many visual-language tasks. However, these models still suffer from multimodal hallucination, which means the generation of objects or content that violates the…

计算与语言 · 计算机科学 2024-10-01 Fan Yuan , Chi Qin , Xiaogang Xu , Piji Li

Sequential Recommendation (SR) in multimodal settings typically relies on small frozen pretrained encoders, which limits semantic capacity and prevents Collaborative Filtering (CF) signals from being fully integrated into item…

信息检索 · 计算机科学 2026-03-19 Junyoung Kim , Woojoo Kim , Jaehyung Lim , Dongha Kim , Hwanjo Yu

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…

计算机视觉与模式识别 · 计算机科学 2026-05-21 Meng Shen , Minghao Wu , Deepu Rajan

Existing hallucination detection methods for large language models (LLMs) rely on external verification at inference time, requiring gold answers, retrieval systems, or auxiliary judge models. We ask whether this external supervision can…

Large vision-language models (LVLMs) have achieved remarkable performance on multimodal tasks. However, they still suffer from hallucinations, generating text inconsistent with visual input, posing significant risks in real-world…

计算机视觉与模式识别 · 计算机科学 2025-09-16 Zhenglin Hua , Jinghan He , Zijun Yao , Tianxu Han , Haiyun Guo , Yuheng Jia , Junfeng Fang

Vision-language models (VLMs) show promise in drafting radiology reports, yet they frequently suffer from logical inconsistencies, generating diagnostic impressions unsupported by their own perceptual findings or missing logically entailed…

计算机视觉与模式识别 · 计算机科学 2026-03-02 Vikash Singh , Debargha Ganguly , Haotian Yu , Chengwei Zhou , Prerna Singh , Brandon Lee , Vipin Chaudhary , Gourav Datta

Vision-Language Models (VLMs) occasionally generate outputs that contradict input images, constraining their reliability in real-world applications. While visual prompting is reported to suppress hallucinations by augmenting prompts with…

计算机视觉与模式识别 · 计算机科学 2025-02-24 Masayo Tomita , Katsuhiko Hayashi , Tomoyuki Kaneko

Large Vision-Language Models (LVLMs) excel in diverse cross-modal tasks. However, object hallucination, where models produce plausible but inaccurate object descriptions, remains a significant challenge. In contrast to previous work…

计算机视觉与模式识别 · 计算机科学 2026-02-11 Yiyang Huang , Liang Shi , Yitian Zhang , Yi Xu , Yun Fu

Hallucinations in Multimodal Large Language Models (MLLMs) where generated responses fail to accurately reflect the given image pose a significant challenge to their reliability. To address this, we introduce ConVis, a novel training-free…

计算机视觉与模式识别 · 计算机科学 2024-08-27 Yeji Park , Deokyeong Lee , Junsuk Choe , Buru Chang

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…

计算机视觉与模式识别 · 计算机科学 2025-09-24 Jianfei Zhao , Feng Zhang , Xin Sun , Chong Feng