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Chest X-rays (CXRs) are the most widely used medical imaging modality and play a pivotal role in diagnosing diseases. However, as 2D projection images, CXRs are limited by structural superposition, which constrains their effectiveness in…

Image and Video Processing · Electrical Eng. & Systems 2025-06-25 Zefan Yang , Xinrui Song , Xuanang Xu , Yongyi Shi , Ge Wang , Mannudeep K. Kalra , Pingkun Yan

Advancements in AI for medical imaging offer significant potential. However, their applications are constrained by the limited availability of data and the reluctance of medical centers to share it due to patient privacy concerns.…

Computer Vision and Pattern Recognition · Computer Science 2025-08-26 Marvin Seyfarth , Salman Ul Hassan Dar , Isabelle Ayx , Matthias Alexander Fink , Stefan O. Schoenberg , Hans-Ulrich Kauczor , Sandy Engelhardt

By lifting the pre-trained 2D diffusion models into Neural Radiance Fields (NeRFs), text-to-3D generation methods have made great progress. Many state-of-the-art approaches usually apply score distillation sampling (SDS) to optimize the…

Computer Vision and Pattern Recognition · Computer Science 2023-12-20 Yuze He , Yushi Bai , Matthieu Lin , Jenny Sheng , Yubin Hu , Qi Wang , Yu-Hui Wen , Yong-Jin Liu

Radiologic diagnostic errors-under-reading errors, inattentional blindness, and communication failures-remain prevalent in clinical practice. These issues often stem from missed localized abnormalities, limited global context, and…

Computer Vision and Pattern Recognition · Computer Science 2025-09-05 Yuheng Li , Yenho Chen , Yuxiang Lai , Jike Zhong , Vanessa Wildman , Xiaofeng Yang

The recently emerging conditional diffusion models seem promising for mitigating the labor and expenses in building large 3D medical imaging datasets. However, previous studies on 3D CT generation primarily focus on specific organs…

Image and Video Processing · Electrical Eng. & Systems 2025-12-02 Linrui Dai , Rongzhao Zhang , Yongrui Yu , Xiaofan Zhang

We introduce ReXGroundingCT, the first publicly available dataset linking free-text findings to pixel-level 3D segmentations in chest CT scans. The dataset includes 3,142 non-contrast chest CT scans paired with standardized radiology…

Radiology reports are detailed text descriptions of the content of medical scans. Each report describes the presence/absence and location of relevant clinical findings, commonly including comparison with prior exams of the same patient to…

Computer Vision and Pattern Recognition · Computer Science 2023-10-10 Francesco Dalla Serra , Chaoyang Wang , Fani Deligianni , Jeffrey Dalton , Alison Q O'Neil

Background: Cone-beam computed tomography (CBCT) plays a crucial role in image-guided radiotherapy, but artifacts and noise make them unsuitable for accurate dose calculation. Artificial intelligence methods have shown promise in enhancing…

Image and Video Processing · Electrical Eng. & Systems 2024-11-05 Shi Yin , Hongqi Tan , Li Ming Chong , Haofeng Liu , Hui Liu , Kang Hao Lee , Jeffrey Kit Loong Tuan , Dean Ho , Yueming Jin

Text-To-Image (TTI) generation is significant for controlled and diverse image generation with broad potential applications. Although current medical TTI methods have made some progress in report-to-Chest-Xray (CXR) generation, their…

Computer Vision and Pattern Recognition · Computer Science 2024-10-29 Peng Huang , Bowen Guo , Shuyu Liang , Junhu Fu , Yuanyuan Wang , Yi Guo

Automated radiology report generation from 3D CT volumes often suffers from incomplete pathology coverage. We provide empirical evidence that this limitation stems from a representational bottleneck: contrastive 3D CT embeddings encode…

Computer Vision and Pattern Recognition · Computer Science 2026-03-18 Renjie Liang , Yiling Ma , Yang Xing , Zhengkang Fan , Jinqian Pan , Chengkun Sun , Li Li , Kuang Gong , Jie Xu

CT report generation (CTRG) aims to automatically generate diagnostic reports for 3D volumes, relieving clinicians' workload and improving patient care. Despite clinical value, existing works fail to effectively incorporate diagnostic…

Computer Vision and Pattern Recognition · Computer Science 2025-06-27 Xiwei Deng , Xianchun He , Jianfeng Bao , Yudan Zhou , Shuhui Cai , Congbo Cai , Zhong Chen

Automatically generating medical reports for retinal images is one of the promising ways to help ophthalmologists reduce their workload and improve work efficiency. In this work, we propose a new context-driven encoding network to…

Computer Vision and Pattern Recognition · Computer Science 2021-06-01 Jia-Hong Huang , Ting-Wei Wu , Chao-Han Huck Yang , Marcel Worring

Controllable pathology image synthesis requires reliable regulation of spatial layout, tissue morphology, and semantic detail. However, existing text-guided diffusion models offer only coarse global control and lack the ability to enforce…

Computer Vision and Pattern Recognition · Computer Science 2026-03-17 Yuntao Shou , Xiangyong Cao , Qian Zhao , Deyu Meng

Transforming two-dimensional (2D) images into three-dimensional (3D) volumes is a well-known yet challenging problem for the computer vision community. In the medical domain, a few previous studies attempted to convert two or more input…

Image and Video Processing · Electrical Eng. & Systems 2024-04-22 Pouria Rouzrokh , Bardia Khosravi , Shahriar Faghani , Kellen L. Mulford , Michael J. Taunton , Bradley J. Erickson , Cody C. Wyles

Automated radiology report generation from 3D computed tomography (CT) volumes is challenging due to extreme sequence lengths, severe class imbalance, and the tendency of large language models (LLMs) to ignore visual tokens in favor of…

Computer Vision and Pattern Recognition · Computer Science 2026-03-25 V. K. Cody Bumgardner , Mitchell A. Klusty , Mahmut S. Gokmen , Evan W. Damron

Voxel-wise dose prediction is a critical yet challenging task in practical radiotherapy (RT) planning, as bespoke models trained from scratch often struggle to generalize across diverse clinical settings. Meanwhile, generative models…

Computer Vision and Pattern Recognition · Computer Science 2026-05-12 Yuhan Wang , Zihan Li , Han Liu , Simon Arberet , Martin Kraus , Yuyin Zhou , Florin-Cristian Ghesu , Dorin Comaniciu , Ali Kamen , Riqiang Gao

Machine learning methods have recently achieved high-performance in biomedical text analysis. However, a major bottleneck in the widespread application of these methods is obtaining the required large amounts of annotated training data,…

Machine Learning · Computer Science 2019-12-06 Xing Meng , Craig H. Ganoe , Ryan T. Sieberg , Yvonne Y. Cheung , Saeed Hassanpour

Low-field (LF) MRI scanners (<1T) are still prevalent in settings with limited resources or unreliable power supply. However, they often yield images with lower spatial resolution and contrast than high-field (HF) scanners. This quality…

Image and Video Processing · Electrical Eng. & Systems 2023-11-14 Seunghoi Kim , Henry F. J. Tregidgo , Ahmed K. Eldaly , Matteo Figini , Daniel C. Alexander

Improving the spatial resolution of CT images is a meaningful yet challenging task, often accompanied by the issue of noise amplification. This article introduces an innovative framework for noise-controlled CT super-resolution utilizing…

Computer Vision and Pattern Recognition · Computer Science 2025-02-17 Yuang Wang , Siyeop Yoon , Rui Hu , Baihui Yu , Duhgoon Lee , Rajiv Gupta , Li Zhang , Zhiqiang Chen , Dufan Wu

Multi-modal large language models (MLLMs) have been given free rein to explore exciting medical applications with a primary focus on radiology report generation. Nevertheless, the preliminary success in 2D radiology captioning is…