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Large visual language models (VLMs) have shown strong multi-modal medical reasoning ability, but most operate as end-to-end black boxes, diverging from clinicians' evidence-based, staged workflows and hindering clinical accountability.…

人工智能 · 计算机科学 2026-03-12 Yuexi Du , Jinglu Wang , Shujie Liu , Nicha C. Dvornek , Yan Lu

In medical imaging, particularly in early disease detection and prognosis tasks, discerning the rationale behind an AI model's predictions is crucial for evaluating the reliability of its decisions. Conventional explanation methods face…

计算机视觉与模式识别 · 计算机科学 2024-06-28 Yingying Fang , Zihao Jin , Xiaodan Xing , Simon Walsh , Guang Yang

The rapid advancement of deepfake technologies has sparked widespread public concern, particularly as face forgery poses a serious threat to public information security. However, the unknown and diverse forgery techniques, varied facial…

计算机视觉与模式识别 · 计算机科学 2024-11-22 Zhengchao Huang , Bin Xia , Zicheng Lin , Zhun Mou , Wenming Yang , Jiaya Jia

The emergence of vision-language models (VLMs) has opened new possibilities for clinical reasoning and has shown promising performance in dermatological diagnosis. However, their trustworthiness and clinical utility are often limited by…

计算机视觉与模式识别 · 计算机科学 2025-11-20 Zehao Liu , Wejieying Ren , Jipeng Zhang , Tianxiang Zhao , Jingxi Zhu , Xiaoting Li , Vasant G. Honavar

Medical vision--language models (VLMs) have shown strong potential for medical visual question answering (VQA), yet their reasoning remains largely text-centric: images are encoded once as static context, and subsequent inference is…

计算机视觉与模式识别 · 计算机科学 2026-04-14 Suyang Xi , Songtao Hu , Yuxiang Lai , Wangyun Dan , Yaqi Liu , Shansong Wang , Xiaofeng Yang

This demonstration paper presents $\mathbf{LayLens}$, a tool aimed to make deepfake understanding easier for users of all educational backgrounds. While prior works often rely on outputs containing technical jargon, LayLens bridges the gap…

多媒体 · 计算机科学 2025-08-13 Abhijeet Narang , Parul Gupta , Liuyijia Su , Abhinav Dhall

Advanced manipulation techniques have provided criminals with opportunities to make social panic or gain illicit profits through the generation of deceptive media, such as forged face images. In response, various deepfake detection methods…

计算机视觉与模式识别 · 计算机科学 2023-07-07 Ruiyang Xia , Decheng Liu , Jie Li , Lin Yuan , Nannan Wang , Xinbo Gao

Large Language Models (LLMs) are increasingly applied to medical imaging tasks, including image interpretation and synthetic image generation. However, these models often produce hallucinations, which are confident but incorrect outputs…

图像与视频处理 · 电气工程与系统科学 2025-08-12 Anindya Bijoy Das , Shahnewaz Karim Sakib , Shibbir Ahmed

Multimodal Large Language Models (MLLMs) frequently exhibit hallucination phenomena, but the underlying reasons remain poorly understood. In this paper, we present an empirical analysis and find that, although MLLMs incorrectly generate the…

计算与语言 · 计算机科学 2025-02-25 Chenxi Wang , Xiang Chen , Ningyu Zhang , Bozhong Tian , Haoming Xu , Shumin Deng , Huajun Chen

Text-guided image editing has seen significant progress in natural image domains, but its application in medical imaging remains limited and lacks standardized evaluation frameworks. Such editing could revolutionize clinical practices by…

计算机视觉与模式识别 · 计算机科学 2025-10-07 Minghao Liu , Zhitao He , Zhiyuan Fan , Qingyun Wang , Yi R. Fung

Large Language Models have demonstrated remarkable capabilities across diverse tasks, yet they frequently generate hallucinations outputs that are fluent but factually incorrect or unsupported. We propose Counterfactual Probing, a novel…

计算与语言 · 计算机科学 2025-08-05 Yijun Feng

In this paper we propose a new framework for evaluating the performance of explanation methods on the decisions of a deepfake detector. This framework assesses the ability of an explanation method to spot the regions of a fake image with…

计算机视觉与模式识别 · 计算机科学 2024-04-30 Konstantinos Tsigos , Evlampios Apostolidis , Spyridon Baxevanakis , Symeon Papadopoulos , Vasileios Mezaris

Answering complex medical questions requires not only domain expertise and patient-specific information, but also structured and multi-perspective reasoning. Existing multi-agent approaches often rely on fixed roles or shallow interaction…

人工智能 · 计算机科学 2026-03-04 Siqi Ma , Jiajie Huang , Fan Zhang , Yue Shen , Jinlin Wu , Guohui Fan , Zhu Zhang , Zelin Zang

This work presents an attack-aware deepfake and image-forensics detector designed for robustness, well-calibrated probabilities, and transparent evidence under realistic deployment conditions. The method combines red-team training with…

计算机视觉与模式识别 · 计算机科学 2025-12-30 Noor Fatima , Hasan Faraz Khan , Muzammil Behzad

Large language models (LLMs) show promise in healthcare, but hallucinations remain a major barrier to clinical use. We present CHECK, a continuous-learning framework that integrates structured clinical databases with a classifier grounded…

Despite the fact that DeepFake forgery detection algorithms have achieved impressive performance on known manipulations, they often face disastrous performance degradation when generalized to an unseen manipulation. Some recent works show…

计算机视觉与模式识别 · 计算机科学 2023-04-03 Chuer Yu , Xuhong Zhang , Yuxuan Duan , Senbo Yan , Zonghui Wang , Yang Xiang , Shouling Ji , Wenzhi Chen

Large language models have shown promise in clinical decision making, but current approaches struggle to localize and correct errors at specific steps of the reasoning process. This limitation is critical in medicine, where identifying and…

Multimodal AI systems have achieved remarkable performance across a broad range of real-world tasks, yet the mechanisms underlying visual-language reasoning remain surprisingly poorly understood. We report three findings that challenge…

Reinforcement learning from verifiable rewards (RLVR) has recently gained attention for its ability to elicit self-evolved reasoning capabilitie from base language models without explicit reasoning supervisions, as demonstrated by…

计算与语言 · 计算机科学 2025-02-28 Sheng Zhang , Qianchu Liu , Guanghui Qin , Tristan Naumann , Hoifung Poon

Accurate medical image segmentation is fundamental to precision medicine, yet robust delineation remains challenging under heterogeneous appearances, ambiguous boundaries, and large anatomical variability. Similar intensity and texture…

计算机视觉与模式识别 · 计算机科学 2026-05-15 Zhiquan Chen , Haitao Wang , Guowei Zou , Hejun Wu