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Related papers: Thinking Hallucination for Video Captioning

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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…

Computer Vision and Pattern Recognition · Computer Science 2025-03-18 Shawn Li , Jiashu Qu , Yuxiao Zhou , Yuehan Qin , Tiankai Yang , Yue Zhao

Despite progress in Large Vision Language Models (LVLMs), object hallucination remains a critical issue in image captioning task, where models generate descriptions of non-existent objects, compromising their reliability. Previous work…

Computer Vision and Pattern Recognition · Computer Science 2026-04-09 Shiyu Liu , Xinyi Wen , Zhibin Lan , Ante Wang , Jinsong Su

The rapidly developing Large Vision Language Models (LVLMs) have shown notable capabilities on a range of multi-modal tasks, but still face the hallucination phenomena where the generated texts do not align with the given contexts,…

Computer Vision and Pattern Recognition · Computer Science 2025-01-07 Wenyi Xiao , Ziwei Huang , Leilei Gan , Wanggui He , Haoyuan Li , Zhelun Yu , Fangxun Shu , Hao Jiang , Linchao Zhu

The rapid development of Multi-modality Large Language Models (MLLMs) has significantly influenced various aspects of industry and daily life, showcasing impressive capabilities in visual perception and understanding. However, these models…

Computer Vision and Pattern Recognition · Computer Science 2024-09-17 Yinan Sun , Zicheng Zhang , Haoning Wu , Xiaohong Liu , Weisi Lin , Guangtao Zhai , Xiongkuo Min

While there is overall agreement that future technology for organizing, browsing and searching videos hinges on the development of methods for high-level semantic understanding of video, so far no consensus has been reached on the best way…

Computer Vision and Pattern Recognition · Computer Science 2017-06-20 Du Tran , Maksim Bolonkin , Manohar Paluri , Lorenzo Torresani

MLLMs often generate outputs that are inconsistent with the visual content, a challenge known as hallucination. Previous methods focus on determining whether a generated output is hallucinated, without identifying which image region leads…

Computer Vision and Pattern Recognition · Computer Science 2024-07-31 Zheng Lin , Zhenxing Niu , Zhibin Wang , Yinghui Xu

Developing video captioning models is computationally expensive. The dynamic nature of video also complicates the design of multimodal models that can effectively caption these sequences. However, we find that by using minimal computational…

Computer Vision and Pattern Recognition · Computer Science 2025-02-20 Chunhui Zhang , Yiren Jian , Zhongyu Ouyang , Soroush Vosoughi

Multimodal foundation models are prone to hallucination, generating outputs that either contradict the input or are not grounded by factual information. Given the diversity in architectures, training data and instruction tuning techniques,…

Computation and Language · Computer Science 2024-05-24 Guangzhi Sun , Potsawee Manakul , Adian Liusie , Kunat Pipatanakul , Chao Zhang , Phil Woodland , Mark Gales

Despite growing interest in hallucination in Multimodal Large Language Models, existing studies primarily focus on single-image settings, leaving hallucination in multi-image scenarios largely unexplored. To address this gap, we conduct the…

Computer Vision and Pattern Recognition · Computer Science 2025-08-04 Jiale Li , Mingrui Wu , Zixiang Jin , Hao Chen , Jiayi Ji , Xiaoshuai Sun , Liujuan Cao , Rongrong Ji

Vision-Language Models (VLMs) have achieved strong results in video understanding, yet a key question remains: do they truly comprehend visual content or only learn shallow correlations between vision and language? Real visual…

Computer Vision and Pattern Recognition · Computer Science 2025-10-28 Zongxia Li , Xiyang Wu , Guangyao Shi , Yubin Qin , Hongyang Du , Fuxiao Liu , Tianyi Zhou , Dinesh Manocha , Jordan Lee Boyd-Graber

Visual captioning benchmarks have become outdated with the emergence of modern multimodal large language models (MLLMs), as the brief ground-truth sentences and traditional metrics fail to assess detailed captions effectively. While recent…

Computer Vision and Pattern Recognition · Computer Science 2025-11-27 Zhihang Liu , Chen-Wei Xie , Bin Wen , Feiwu Yu , Jixuan Chen , Pandeng Li , Boqiang Zhang , Nianzu Yang , Yinglu Li , Zuan Gao , Yun Zheng , Hongtao Xie

This paper presents ScaleCap, an inference-time scalable image captioning strategy that generates comprehensive and detailed image captions. The key challenges of high-quality image captioning lie in the inherent biases of LVLMs: multimodal…

Computer Vision and Pattern Recognition · Computer Science 2025-06-25 Long Xing , Qidong Huang , Xiaoyi Dong , Pan Zhang , Yuhang Zang , Yuhang Cao , Jinsong Li , Shuangrui Ding , Weiming Zhang , Nenghai Yu , Jiaqi Wang , Feng Wu , Dahua Lin

State-of-The-Art (SoTA) image captioning models are often trained on the MicroSoft Common Objects in Context (MS-COCO) dataset, which contains human-annotated captions with an average length of approximately ten tokens. Although effective…

Computer Vision and Pattern Recognition · Computer Science 2025-10-28 Luigi Celona , Simone Bianco , Marco Donzella , Paolo Napoletano

Accurately detecting and localizing hallucinations is a critical task for ensuring high reliability of image captions. In the era of Multimodal Large Language Models (MLLMs), captions have evolved from brief sentences into comprehensive…

Computer Vision and Pattern Recognition · Computer Science 2026-04-08 Xinran Wang , Yuxuan Zhang , Xiao Zhang , Haolong Yan , Muxi Diao , Songyu Xu , Zhonghao Yan , Hongbing Li , Kongming Liang , Zhanyu Ma

Video Large Language Models (VideoLLMs) exhibit various types of hallucinations. Existing research has primarily focused on hallucinations involving the presence of events, objects, and scenes in videos, while largely neglecting event…

Computer Vision and Pattern Recognition · Computer Science 2026-01-16 Zefan Zhang , Kehua Zhu , Shijie Jiang , Hongyuan Lu , Shengkai Sun , Tian Bai

Current popular Large Vision-Language Models (LVLMs) are suffering from Hallucinations on Object Attributes (HoOA), leading to incorrect determination of fine-grained attributes in the input images. Leveraging significant advancements in 3D…

Computer Vision and Pattern Recognition · Computer Science 2025-01-20 Zhijie Tan , Yuzhi Li , Shengwei Meng , Xiang Yuan , Weiping Li , Tong Mo , Bingce Wang , Xu Chu

In the dynamic landscape of artificial intelligence, the exploration of hallucinations within vision-language (VL) models emerges as a critical frontier. This work delves into the intricacies of hallucinatory phenomena exhibited by widely…

Computer Vision and Pattern Recognition · Computer Science 2025-08-04 Maria Lymperaiou , Giorgos Filandrianos , Angeliki Dimitriou , Athanasios Voulodimos , Giorgos Stamou

A primary challenge in abstractive summarization is hallucination -- the phenomenon where a model generates plausible text that is absent in the source text. We hypothesize that the domain (or topic) of the source text triggers the model to…

Computation and Language · Computer Science 2025-06-10 Kyubyung Chae , Jaepill Choi , Yohan Jo , Taesup Kim

Instruction tuned Large Vision Language Models (LVLMs) have significantly advanced in generalizing across a diverse set of multi-modal tasks, especially for Visual Question Answering (VQA). However, generating detailed responses that are…

Computer Vision and Pattern Recognition · Computer Science 2024-02-13 Anisha Gunjal , Jihan Yin , Erhan Bas

There has been significant research on developing pretrained transformer architectures for multimodal-to-text generation tasks. Albeit performance improvements, such models are frequently overparameterized, hence suffer from hallucination…

Computation and Language · Computer Science 2023-09-08 Arvind Krishna Sridhar , Yinyi Guo , Erik Visser , Rehana Mahfuz