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An exciting frontier in natural language understanding (NLU) and generation (NLG) calls for (vision-and-) language models that can efficiently access external structured knowledge repositories. However, many existing knowledge bases only…

Computation and Language · Computer Science 2021-10-22 Houda Alberts , Teresa Huang , Yash Deshpande , Yibo Liu , Kyunghyun Cho , Clara Vania , Iacer Calixto

Medical deep learning models depend heavily on domain-specific knowledge to perform well on knowledge-intensive clinical tasks. Prior work has primarily leveraged unimodal knowledge graphs, such as the Unified Medical Language System…

Artificial Intelligence · Computer Science 2025-05-26 Xiaochen Wang , Yuan Zhong , Lingwei Zhang , Lisong Dai , Ting Wang , Fenglong Ma

Automating radiology report generation poses a dual challenge: building clinically reliable systems and designing rigorous evaluation protocols. We introduce a multi-agent reinforcement learning framework that serves as both a benchmark and…

Artificial Intelligence · Computer Science 2025-09-23 Ahmed T. Elboardy , Ghada Khoriba , Essam A. Rashed

Generating long and coherent reports to describe medical images poses challenges to bridging visual patterns with informative human linguistic descriptions. We propose a novel Hybrid Retrieval-Generation Reinforced Agent (HRGR-Agent) which…

Computer Vision and Pattern Recognition · Computer Science 2018-11-27 Christy Y. Li , Xiaodan Liang , Zhiting Hu , Eric P. Xing

Retrieval-Augmented Generation (RAG) has recently been extended to multimodal settings, connecting multimodal large language models (MLLMs) with vast corpora of external knowledge such as multimodal knowledge graphs (MMKGs). Despite their…

Computation and Language · Computer Science 2026-04-14 Hyeongcheol Park , Jiyoung Seo , Jaewon Mun , Hogun Park , Wonmin Byeon , Sung June Kim , Hyeonsoo Im , JeungSub Lee , Sangpil Kim

Generating multiple-choice questions (MCQs) with difficulty estimation remains challenging in automated MCQ-generation systems used in adaptive, AI-assisted education. This study proposes a novel methodology for generating MCQs with…

Computation and Language · Computer Science 2026-04-14 Mehmet Can Şakiroğlu , H. Altay Güvenir , Kamer Kaya

The development of 3D medical vision-language models holds significant potential for disease diagnosis and patient treatment. However, compared to 2D medical images, 3D medical images, such as CT scans, face challenges related to limited…

Image and Video Processing · Electrical Eng. & Systems 2024-10-21 Haoran Lai , Zihang Jiang , Qingsong Yao , Rongsheng Wang , Zhiyang He , Xiaodong Tao , Wei Wei , Weifu Lv , S. Kevin Zhou

The availability of vast amounts of visual data with heterogeneous features is a key factor for developing, testing, and benchmarking of new computer vision (CV) algorithms and architectures. Most visual datasets are created and curated for…

Computer Vision and Pattern Recognition · Computer Science 2024-03-29 Jicheng Yuan , Anh Le-Tuan , Manh Nguyen-Duc , Trung-Kien Tran , Manfred Hauswirth , Danh Le-Phuoc

Radiology Report Generation (RRG) is a critical step toward automating healthcare workflows, facilitating accurate patient assessments, and reducing the workload of medical professionals. Despite recent progress in Large Medical…

Computer Vision and Pattern Recognition · Computer Science 2026-03-16 Sarosij Bose , Ravi K. Rajendran , Biplob Debnath , Konstantinos Karydis , Amit K. Roy-Chowdhury , Srimat Chakradhar

Existing deep learning methods for radiology report generation enhance diagnostic efficiency but often overlook physician-informed medical priors. This leads to a suboptimal alignment between the structured explanations and disease…

Tissues and Organs · Quantitative Biology 2026-04-13 Aishik Konwer , Moinak Bhattacharya , Prateek Prasanna

Medical vision-language models (VLMs) achieve strong performance in diagnostic reporting and image-text alignment, yet their underlying reasoning mechanisms remain fundamentally correlational, exhibiting reliance on superficial statistical…

Machine Learning · Computer Science 2026-01-27 Weiqin Yang , Haowen Xue , Qingyi Peng , Hexuan Hu , Qian Huang , Tingbo Zhang

Medical Large Vision-Language Models (Med-LVLMs) have been widely adopted for medical report generation. Despite Med-LVLMs producing state-of-the-art performance, they exhibit a bias toward predicting all findings as normal, leading to…

Multiagent Systems · Computer Science 2025-05-27 Pengyu Wang , Shuchang Ye , Usman Naseem , Jinman Kim

Knowledge graphs (KGs) serve as powerful tools for organizing and representing structured knowledge. While their utility is widely recognized, challenges persist in their automation and completeness. Despite efforts in automation and the…

Artificial Intelligence · Computer Science 2024-05-07 Mutahira Khalid , Raihana Rahman , Asim Abbas , Sushama Kumari , Iram Wajahat , Syed Ahmad Chan Bukhari

Retrieval-Augmented Generation (RAG) has emerged as an effective paradigm for expanding the knowledge capacity of Multimodal Large Language Models (MLLMs) by incorporating external knowledge sources into the generation process, and has been…

Computer Vision and Pattern Recognition · Computer Science 2026-04-28 Xu Yuan , Liangbo Ning , Qingqing Ye , Wenqi Fan , Qing Li

The large-scale development of large language models (LLMs) in medical contexts, such as diagnostic assistance and treatment recommendations, necessitates that these models possess accurate medical knowledge and deliver traceable…

Artificial Intelligence · Computer Science 2025-08-12 Qiyuan Li , Haijiang Liu , Caicai Guo , Chao Gao , Deyu Chen , Meng Wang , Feng Gao , Frank van Harmelen , Jinguang Gu

Retrieval-augmented generation (RAG) enables large language models (LLMs) to dynamically access external information, which is powerful for answering questions over previously unseen documents. Nonetheless, they struggle with high-level…

Artificial Intelligence · Computer Science 2026-04-21 Chi-Hsiang Hsiao , Yi-Cheng Wang , Tzung-Sheng Lin , Yi-Ren Yeh , Chu-Song Chen

Large Language Models (LLMs) have shown remarkable progress in medical question answering (QA), yet their effectiveness remains predominantly limited to English due to imbalanced multilingual training data and scarce medical resources for…

Vision-Language Models (VLMs) have significantly advanced automated Radiology Report Generation (RRG). However, existing methods implicitly assume high-quality inputs, overlooking the noise and artifacts prevalent in real-world clinical…

Computer Vision and Pattern Recognition · Computer Science 2026-04-14 Hongze Zhu , Chen Hu , Jiaxuan Jiang , Hong Liu , Yawen Huang , Ming Hu , Tianyu Wang , Zhijian Wu , Yefeng Zheng

Medical report generation is the task of automatically writing radiology reports for chest X-ray images. Manually composing these reports is a time-consuming process that is also prone to human errors. Generating medical reports can…

Computation and Language · Computer Science 2024-10-22 Abdullah , Ameer Hamza , Seong Tae Kim

Medical imaging plays a significant role in clinical practice of medical diagnosis, where the text reports of the images are essential in understanding them and facilitating later treatments. By generating the reports automatically, it is…

Computation and Language · Computer Science 2022-04-29 Zhihong Chen , Yaling Shen , Yan Song , Xiang Wan
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