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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…

计算机视觉与模式识别 · 计算机科学 2025-08-15 YiFan Zhang , Yang Shi , Weichen Yu , Qingsong Wen , Xue Wang , Wenjing Yang , Zhang Zhang , Liang Wang , Rong Jin

Large Vision-Language Models (LVLMs) have obtained impressive performance in visual content understanding and multi-modal reasoning. Unfortunately, these large models suffer from serious hallucination problems and tend to generate…

计算机视觉与模式识别 · 计算机科学 2025-03-04 Wei Suo , Lijun Zhang , Mengyang Sun , Lin Yuanbo Wu , Peng Wang , Yanning Zhang

Large Vision Language Models (LVLMs) achieve strong performance across multimodal tasks by integrating visual perception with language understanding. However, how vision information contributes to the model's decoding process remains…

计算机视觉与模式识别 · 计算机科学 2026-05-14 Beomsik Cho , Jaehyung Kim

Hallucination is a common problem for Large Vision-Language Models (LVLMs) with long generations which is difficult to eradicate. The generation with hallucinations is partially inconsistent with the image content. To mitigate…

计算机视觉与模式识别 · 计算机科学 2024-09-26 Yue Chang , Liqiang Jing , Xiaopeng Zhang , Yue Zhang

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…

机器学习 · 计算机科学 2024-02-20 Yiyang Zhou , Chenhang Cui , Rafael Rafailov , Chelsea Finn , Huaxiu Yao

Object hallucination is a critical issue in Large Vision-Language Models (LVLMs), where outputs include objects that do not appear in the input image. A natural question arises from this phenomenon: Which component of the LVLM pipeline…

计算机视觉与模式识别 · 计算机科学 2026-02-26 Lingfeng Ren , Weihao Yu , Runpeng Yu , Xinchao Wang

Though advanced in understanding visual information with human languages, Large Vision-Language Models (LVLMs) still suffer from multimodal hallucinations. A natural concern is that during multimodal interaction, the generated…

计算机视觉与模式识别 · 计算机科学 2024-08-06 Weihong Zhong , Xiaocheng Feng , Liang Zhao , Qiming Li , Lei Huang , Yuxuan Gu , Weitao Ma , Yuan Xu , Bing Qin

Despite the impressive advancements of Large Vision-Language Models (LVLMs), existing approaches suffer from a fundamental bottleneck: inefficient visual-language integration. Current methods either disrupt the model's inherent structure or…

计算机视觉与模式识别 · 计算机科学 2025-06-23 Tongtian Yue , Longteng Guo , Yepeng Tang , Zijia Zhao , Xinxin Zhu , Hua Huang , Jing Liu

Large vision-language models (LVLMs) have demonstrated remarkable capabilities in multimodal understanding and generation tasks. However, these models occasionally generate hallucinatory texts, resulting in descriptions that seem reasonable…

计算机视觉与模式识别 · 计算机科学 2024-12-11 Jiaqi Fan , Jianhua Wu , Hongqing Chu , Quanbo Ge , Bingzhao Gao

Vision-Language Models (VLMs) have shown solid ability for multimodal understanding of both visual and language contexts. However, existing VLMs often face severe challenges of hallucinations, meaning that VLMs tend to generate responses…

计算机视觉与模式识别 · 计算机科学 2025-10-14 Jinjin Cao , Zhiyang Chen , Zijun Wang , Liyuan Ma , Weijian Luo , Guojun Qi

Recent decoding methods improve the factuality of large language models (LLMs) by refining how the next token is selected during generation. These methods typically operate at the token level, leveraging internal representations to suppress…

计算与语言 · 计算机科学 2025-09-16 Hongxiang Zhang , Hao Chen , Muhao Chen , Tianyi Zhang

Generation of plausible but incorrect factual information, often termed hallucination, has attracted significant research interest. Retrieval-augmented language model (RALM) -- which enhances models with up-to-date knowledge -- emerges as a…

计算与语言 · 计算机科学 2024-10-22 Qitan Lv , Jie Wang , Hanzhu Chen , Bin Li , Yongdong Zhang , Feng Wu

Large Vision-Language Models (LVLMs) have demonstrated remarkable success in a broad range of vision-language tasks, such as general visual question answering and optical character recognition (OCR). However, their performance on…

计算机视觉与模式识别 · 计算机科学 2025-12-09 Yu Qi , Yumeng Zhang , Chenting Gong , Xiao Tan , Weiming Zhang , Wei Zhang , Jingdong Wang

Multimodal Large Language Models (MLLMs) have achieved remarkable success in vision understanding, reasoning, and interaction. However, the inference computation and memory increase progressively with the generation of output tokens during…

计算机视觉与模式识别 · 计算机科学 2025-03-24 Wenxuan Huang , Zijie Zhai , Yunhang Shen , Shaosheng Cao , Fei Zhao , Xiangfeng Xu , Zheyu Ye , Yao Hu , Shaohui Lin

Large language models (LLMs) have shown promise for generative and knowledge-intensive tasks including question-answering (QA) tasks. However, the practical deployment still faces challenges, notably the issue of "hallucination", where…

计算与语言 · 计算机科学 2023-10-11 Ziwei Ji , Tiezheng Yu , Yan Xu , Nayeon Lee , Etsuko Ishii , Pascale Fung

Large Language Models (LLMs) often produce hallucinations in retrieval-augmented or long-context generation, even when relevant evidence is present. This stems from two issues: head importance is treated as input-agnostic, and raw attention…

计算与语言 · 计算机科学 2025-09-09 Xin Tong , Zhi Lin , Jingya Wang , Bo Jin

Current Large Vision-Language Models (LVLMs) have demonstrated remarkable capabilities in understanding multimodal data, but their potential remains underexplored for deepfake detection due to the misalignment of their knowledge and…

计算机视觉与模式识别 · 计算机科学 2025-06-10 Peipeng Yu , Jianwei Fei , Hui Gao , Xuan Feng , Zhihua Xia , Chip Hong Chang

Large Vision-Language Models have demonstrated exceptional performance in multimodal reasoning and complex scene understanding. However, these models still face significant hallucination issues, where outputs contradict visual facts. Recent…

计算机视觉与模式识别 · 计算机科学 2026-04-01 Wei Suo , Hanzu Zhang , Lijun Zhang , Ji Ma , Peng Wang , Yanning Zhang

We propose a method to teach multiple large language models (LLM) to collaborate by interleaving their generations at the token level. We model the decision of which LLM generates the next token as a latent variable. By optimizing the…

计算与语言 · 计算机科学 2024-08-28 Shannon Zejiang Shen , Hunter Lang , Bailin Wang , Yoon Kim , David Sontag

Despite the significant success of Large Vision-Language models(LVLMs), these models still suffer hallucinations when describing images, generating answers that include non-existent objects. It is reported that these models tend to…

计算机视觉与模式识别 · 计算机科学 2025-03-25 Bin Li , Dehong Gao , Yeyuan Wang , Linbo Jin , Shanqing Yu , Xiaoyan Cai , Libin Yang