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We introduce VIGIL (Visual Inconsistency & Generative In-context Lucidity), the first benchmark dataset and framework providing a fine-grained categorization of hallucinations in the multimodal image recontextualization task for large…

Computer Vision and Pattern Recognition · Computer Science 2026-02-17 Joanna Wojciechowicz , Maria Łubniewska , Jakub Antczak , Justyna Baczyńska , Wojciech Gromski , Wojciech Kozłowski , Maciej Zięba

Retrieval-Augmented Generation (RAG) systems remain susceptible to hallucinations despite grounding in retrieved evidence. While current detection methods leverage embedding similarity and natural language inference (NLI), their reliability…

Machine Learning · Computer Science 2025-12-22 Debu Sinha

Real-time scene comprehension is a key advance in artificial intelligence, enhancing robotics, surveillance, and assistive tools. However, hallucination remains a challenge. AI systems often misinterpret visual inputs, detecting nonexistent…

Machine Learning · Computer Science 2025-04-08 Zahir Alsulaimawi

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

Vision-language models (VLMs) often struggle to generate accurate and detailed captions for high-resolution images since they are typically pre-trained on low-resolution inputs (e.g., 224x224 or 336x336 pixels). Downscaling high-resolution…

Computer Vision and Pattern Recognition · Computer Science 2025-11-03 Hankyeol Lee , Gawon Seo , Kyounggyu Lee , Dogun Kim , Kyungwoo Song , Jiyoung Jung

The rapid advancement and widespread adoption of Large Language Models (LLMs) have elevated the need for reliable AI-generated content (AIGC) detection, which remains challenging as models evolve. We introduce AIGC-text-bank, a…

Artificial Intelligence · Computer Science 2026-04-22 Zhao Wang , Max Xiong , Jianxun Lian , Zhicheng Dou

Forensic analysis of AI-edited images requires more than binary real-versus-fake prediction: a useful system should localize the edit, identify its semantic type, and ground its decisions in visual evidence. Existing image-forensics…

Computer Vision and Pattern Recognition · Computer Science 2026-05-12 Van-Loc Nguyen , AprilPyone MaungMaung , Minh-Triet Tran , Isao Echizen

As deep learning models are widely used in software systems, test generation plays a crucial role in assessing the quality of such models before deployment. To date, the most advanced test generators rely on generative AI to synthesize…

Software Engineering · Computer Science 2026-01-21 Xingcheng Chen , Oliver Weissl , Andrea Stocco

Accurate visual understanding is imperative for advancing autonomous systems and intelligent robots. Despite the powerful capabilities of vision-language models (VLMs) in processing complex visual scenes, precisely recognizing obscured or…

Computer Vision and Pattern Recognition · Computer Science 2024-06-03 Huaxiang Zhang , Yaojia Mu , Guo-Niu Zhu , Zhongxue Gan

Recent generative models produce images with a level of authenticity that makes them nearly indistinguishable from real photos and artwork. Potential harmful use cases of these models, necessitate the creation of robust synthetic image…

Computer Vision and Pattern Recognition · Computer Science 2025-01-15 Delyan Boychev , Radostin Cholakov

The rapid growth of AI-generated imagery has blurred the boundary between real and synthetic content, raising practical concerns for digital integrity. Vision-language models (VLMs) can provide natural language explanations, but standard…

Computer Vision and Pattern Recognition · Computer Science 2026-04-23 Yikun Ji , Yan Hong , Bowen Deng , Jun Lan , Huijia Zhu , Weiqiang Wang , Liqing Zhang , Jianfu Zhang

Explainability in artificial intelligence is crucial for restoring trust, particularly in areas like face forgery detection, where viewers often struggle to distinguish between real and fabricated content. Vision and Large Language Models…

Computer Vision and Pattern Recognition · Computer Science 2024-10-31 Niki Maria Foteinopoulou , Enjie Ghorbel , Djamila Aouada

Recent generative models have largely closed the gap on low-level artifacts - pixel fingerprints, frequency anomalies, upsampling traces - particularly in person-centric and partial-edit settings where the manipulated region is small and…

Computer Vision and Pattern Recognition · Computer Science 2026-05-28 Jihyeon Kim , Sohee Kim , Soosan Lee , Souhwan Jung , James Matthew Rehg , Hyesong Choi

Accurate yet interpretable image-based diagnosis remains a central challenge in medical AI, particularly in settings characterized by limited data, subtle visual cues, and high-stakes clinical decision-making. Most existing vision models…

Artificial Intelligence · Computer Science 2025-12-23 Midhat Urooj , Ayan Banerjee , Sandeep Gupta

Recent advances in image generation have led to the widespread availability of highly realistic synthetic media, increasing the difficulty of reliable deepfake detection. A key challenge is generalization, as detectors trained on a narrow…

Computer Vision and Pattern Recognition · Computer Science 2025-12-22 Yichen Jiang , Mohammed Talha Alam , Sohail Ahmed Khan , Duc-Tien Dang-Nguyen , Fakhri Karray

Fake news detection remains a challenging problem due to the complex interplay between textual misinformation, manipulated images, and external knowledge reasoning. While existing approaches have achieved notable results in verifying…

Computer Vision and Pattern Recognition · Computer Science 2025-10-20 Tuan-Vinh La , Minh-Hieu Nguyen , Minh-Son Dao

From uncertainty quantification to real-world object detection, we recognize the importance of machine learning algorithms, particularly in safety-critical domains such as autonomous driving or medical diagnostics. In machine learning,…

Computer Vision and Pattern Recognition · Computer Science 2025-05-29 Carina Newen , Luca Hinkamp , Maria Ntonti , Emmanuel Müller

Ancient artifacts are an important medium for cultural preservation and restoration. However, many physical copies of artifacts are either damaged or lost, leaving a blank space in archaeological and historical studies that calls for…

Computer Vision and Pattern Recognition · Computer Science 2023-12-14 Shengguang Wu , Zhenglun Chen , Qi Su

Retrieval-Augmented Generation (RAG) has emerged as a powerful framework to improve factuality in large language models (LLMs) by grounding their outputs in retrieved documents. However, ensuring perfect retrieval of relevant information…

Computation and Language · Computer Science 2025-12-04 Zhan Peng Lee , Andre Lin , Calvin Tan

With the development of the Generative Adversarial Networks (GANs) and DeepFakes, AI-synthesized images are now of such high quality that humans can hardly distinguish them from real images. It is imperative for media forensics to develop…

Computer Vision and Pattern Recognition · Computer Science 2022-11-24 Yan Ju , Shan Jia , Lipeng Ke , Hongfei Xue , Koki Nagano , Siwei Lyu