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Related papers: Vision-Language Models for Automated 3D PET/CT Rep…

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Positron Emission Tomography (PET) is an imaging technique which can be used to investigate chemical changes in human biological processes such as cancer development or neurochemical reactions. Most dynamic PET scans are currently analyzed…

Applications · Statistics 2014-11-11 Ci-Ren Jiang , John A D Aston , Jane-Ling Wang

Introduction: We describe the foundation of PETRIC, an image reconstruction challenge to minimise the computational runtime of related algorithms for Positron Emission Tomography (PET). Purpose: Although several similar challenges are…

Publicly available, large-scale medical imaging datasets are crucial for developing and validating artificial intelligence models and conducting retrospective clinical research. However, datasets that combine functional and anatomical…

Computer Vision and Pattern Recognition · Computer Science 2025-11-06 Le Xue , Gang Feng , Wenbo Zhang , Yichi Zhang , Lanlan Li , Shuqi Wang , Liling Peng , Sisi Peng , Xin Gao

Automatic medical report generation (MRG) is of great research value as it has the potential to relieve radiologists from the heavy burden of report writing. Despite recent advancements, accurate MRG remains challenging due to the need for…

Computer Vision and Pattern Recognition · Computer Science 2024-01-15 Haibo Jin , Haoxuan Che , Yi Lin , Hao Chen

Recent work has shown improved lesion detectability and flexibility to reconstruction hyperparameters (e.g. scanner geometry or dose level) when PET images are reconstructed by leveraging pre-trained diffusion models. Such methods train a…

Medical Physics · Physics 2025-08-28 George Webber , Alexander Hammers , Andrew P. King , Andrew J. Reader

Positron emission tomography (PET) provides molecular biomarkers for Alzheimer's disease and related dementias (ADRD) and is increasingly used for diagnosis, staging, and clinical trial enrichment. However, its use is limited by cost,…

Image and Video Processing · Electrical Eng. & Systems 2026-04-16 Junho Moon , Symac Kim , Haejun Chung , Ikbeom Jang

Positron emission tomographs (PET) do not measure an image directly. Instead, they measure at the boundary of the field-of-view (FOV) of PET tomograph a sinogram that consists of measurements of the sums of all the counts along the lines…

Mammography report generation is a critical yet underexplored task in medical AI, characterized by challenges such as multiview image reasoning, high-resolution visual cues, and unstructured radiologic language. In this work, we introduce…

Image and Video Processing · Electrical Eng. & Systems 2025-08-14 Nak-Jun Sung , Donghyun Lee , Bo Hwa Choi , Chae Jung Park

Brain CT report generation is significant to aid physicians in diagnosing cranial diseases. Recent studies concentrate on handling the consistency between visual and textual pathological features to improve the coherence of report. However,…

Computer Vision and Pattern Recognition · Computer Science 2024-10-02 Chengxin Zheng , Junzhong Ji , Yanzhao Shi , Xiaodan Zhang , Liangqiong Qu

Generating reports for computed tomography (CT) images is a challenging task, while similar to existing studies for medical image report generation, yet has its unique characteristics, such as spatial encoding of multiple images, alignment…

Computer Vision and Pattern Recognition · Computer Science 2025-06-25 Yuanhe Tian , Lei Mao , Yan Song

The escalating global cancer burden underscores the critical need for precise diagnostic tools in oncology. This research employs deep learning to enhance lesion segmentation in PET/CT imaging, utilizing a dataset of 900 whole-body…

Computer Vision and Pattern Recognition · Computer Science 2024-09-17 Jiayi Liu , Qiaoyi Xue , Youdan Feng , Tianming Xu , Kaixin Shen , Chuyun Shen , Yuhang Shi

Positron emission tomography (PET) is a key nuclear medicine imaging modality that visualizes radiotracer distributions to quantify in vivo physiological and metabolic processes, playing an irreplaceable role in disease management. Despite…

Computer Vision and Pattern Recognition · Computer Science 2026-03-13 Yichi Zhang , Le Xue , Wenbo Zhang , Lanlan Li , Feiyang Xiao , Yuchen Liu , Xiaohui Zhang , Hongwei Zhang , Shuqi Wang , Gang Feng , Liling Peng , Xin Gao , Yuanfan Xu , Yuan Qi , Kuangyu Shi , Hong Zhang , Yuan Cheng , Mei Tian , Zixin Hu

Medical report generation has achieved remarkable advancements yet has still been faced with several challenges. First, the inherent imbalance in the distribution of normal and abnormal cases may lead models to exhibit a biased focus on…

Computer Vision and Pattern Recognition · Computer Science 2024-03-26 Zhixuan Chen , Luyang Luo , Yequan Bie , Hao Chen

Lesion segmentation in PET/CT imaging is essential for precise tumor characterization, which supports personalized treatment planning and enhances diagnostic precision in oncology. However, accurate manual segmentation of lesions is…

Image and Video Processing · Electrical Eng. & Systems 2024-09-19 Hamza Kalisch , Fabian Hörst , Ken Herrmann , Jens Kleesiek , Constantin Seibold

3D medical vision-language (VL) pretraining has shown potential in radiology by leveraging large-scale multimodal datasets with CT-report pairs. However, existing methods primarily rely on a global VL alignment directly adapted from 2D…

Computer Vision and Pattern Recognition · Computer Science 2025-12-03 Jingyang Lin , Yingda Xia , Jianpeng Zhang , Ke Yan , Kai Cao , Le Lu , Jiebo Luo , Ling Zhang

Radiology report generation (RRG) for diagnostic images, such as chest X-rays, plays a pivotal role in both clinical practice and AI. Traditional free-text reports suffer from redundancy and inconsistent language, complicating the…

Computer Vision and Pattern Recognition · Computer Science 2025-08-05 Yingshu Li , Yunyi Liu , Zhanyu Wang , Xinyu Liang , Lingqiao Liu , Lei Wang , Luping Zhou

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

As medical imaging is central to diagnostic processes, automating the generation of radiology reports has become increasingly relevant to assist radiologists with their heavy workloads. Most current methods rely solely on global image…

Computer Vision and Pattern Recognition · Computer Science 2025-08-08 Hamza Kalisch , Fabian Hörst , Jens Kleesiek , Ken Herrmann , Constantin Seibold

Medical report generation automates radiology descriptions from images, easing the burden on physicians and minimizing errors. However, current methods lack structured outputs and physician interactivity for clear, clinically relevant…

Artificial Intelligence · Computer Science 2024-04-18 Hongzhao Li , Hongyu Wang , Xia Sun , Hua He , Jun Feng