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In this study, we present a method for generating automated anatomy segmentation datasets using a sequential process that involves nnU-Net-based pseudo-labeling and anatomy-guided pseudo-label refinement. By combining various fragmented…

Image and Video Processing · Electrical Eng. & Systems 2023-07-26 Alexander Jaus , Constantin Seibold , Kelsey Hermann , Alexandra Walter , Kristina Giske , Johannes Haubold , Jens Kleesiek , Rainer Stiefelhagen

Computed tomography (CT) is a major medical imaging modality. Clinical CT scenarios, such as low-dose screening, sparse-view scanning, and metal implants, often lead to severe noise and artifacts in reconstructed images, requiring improved…

Image and Video Processing · Electrical Eng. & Systems 2025-06-04 Wenjun Xia , Chuang Niu , Ge Wang

The increasing availability of urban data offers new opportunities for learning region representations, which can be used as input to machine learning models for downstream tasks such as check-in or crime prediction. While existing…

Machine Learning · Computer Science 2025-06-05 Fengze Sun , Yanchuan Chang , Egemen Tanin , Shanika Karunasekera , Jianzhong Qi

Training a universal controller for robots with different morphologies is a promising research trend, since it can significantly enhance the robustness and resilience of the robotic system. However, diverse morphologies can yield different…

Robotics · Computer Science 2025-05-22 Yingbo Luo , Meibao Yao , Xueming Xiao

With the growing interest in foundation models for brain signals, graph-based pretraining has emerged as a promising paradigm for learning transferable representations from connectome data. However, existing contrastive and masked…

Machine Learning · Computer Science 2026-03-10 Xinxu Wei , Rong Zhou , Lifang He , Yu Zhang

Segment anything model (SAM), a foundation model with superior versatility and generalization across diverse segmentation tasks, has attracted widespread attention in medical imaging. However, it has been proved that SAM would encounter…

Computer Vision and Pattern Recognition · Computer Science 2024-03-21 Xian Lin , Yangyang Xiang , Zhehao Wang , Kwang-Ting Cheng , Zengqiang Yan , Li Yu

Generalizability is a concern when applying a deep learning (DL) model trained on one dataset to other datasets. Training a universal model that works anywhere, anytime, for anybody is unrealistic. In this work, we demonstrate the…

Medical Physics · Physics 2020-04-20 Xiao Liang , Dan Nguyen , Steve Jiang

CT reconstruction provides radiologists with images for diagnosis and treatment, yet current deep learning methods are typically limited to specific anatomies and datasets, hindering generalization ability to unseen anatomies and lesions.…

Image and Video Processing · Electrical Eng. & Systems 2025-10-31 Shaokai Wu , Yapan Guo , Yanbiao Ji , Jing Tong , Yuxiang Lu , Mei Li , Suizhi Huang , Yue Ding , Hongtao Lu

Free Point Transformer (FPT) has been proposed as a data-driven, non-rigid point set registration approach using deep neural networks. As FPT does not assume constraints based on point vicinity or correspondence, it may be trained simply…

Computer Vision and Pattern Recognition · Computer Science 2022-07-25 Zachary MC Baum , Tamas Ungi , Christopher Schlenger , Yipeng Hu , Dean C Barratt

We propose a cascaded 3D diffusion model framework to synthesize high-fidelity 3D PET/CT volumes directly from demographic variables, addressing the growing need for realistic digital twins in oncologic imaging, virtual trials, and…

Image and Video Processing · Electrical Eng. & Systems 2025-05-29 Siyeop Yoon , Sifan Song , Pengfei Jin , Matthew Tivnan , Yujin Oh , Sekeun Kim , Dufan Wu , Xiang Li , Quanzheng Li

UniT is an approach to tactile representation learning, using VQGAN to learn a compact latent space and serve as the tactile representation. It uses tactile images obtained from a single simple object to train the representation with…

The clinical adoption of artificial intelligence (AI) in medical imaging requires models that are both diagnostically accurate and interpretable to clinicians. While current multimodal biomedical foundation models prioritize performance,…

Medical image segmentation plays an important role in computer-aided diagnosis. Existing methods mainly utilize spatial attention to highlight the region of interest. However, due to limitations of medical imaging devices, medical images…

Computer Vision and Pattern Recognition · Computer Science 2025-07-17 Jiaxuan Li , Qing Xu , Xiangjian He , Ziyu Liu , Daokun Zhang , Ruili Wang , Rong Qu , Guoping Qiu

Cone-Beam Computed Tomography (CBCT) is widely used for intraoperative imaging due to its rapid acquisition and low radiation dose. However, CBCT images typically suffer from artifacts and lower visual quality compared to conventional…

Image and Video Processing · Electrical Eng. & Systems 2025-07-09 Maximilian Tschuchnig , Lukas Lamminger , Philipp Steininger , Michael Gadermayr

PET/CT is extensively used in imaging malignant tumors because it highlights areas of increased glucose metabolism, indicative of cancerous activity. Accurate 3D lesion segmentation in PET/CT imaging is essential for effective oncological…

Image and Video Processing · Electrical Eng. & Systems 2024-09-12 Ching-Wei Wang , Ting-Sheng Su , Keng-Wei Liu

Image segmentation, real-value prediction, and cross-modal translation are critical challenges in medical imaging. In this study, we propose a versatile multi-task neural network framework, based on an enhanced Transformer U-Net…

Image and Video Processing · Electrical Eng. & Systems 2023-12-19 Zhuoyao Xin , Christopher Wu , Dong Liu , Chunming Gu , Jia Guo , Jun Hua

Automated CT report generation plays a crucial role in improving diagnostic accuracy and clinical workflow efficiency. However, existing methods lack interpretability and impede patient-clinician understanding, while their static nature…

Image and Video Processing · Electrical Eng. & Systems 2025-03-06 Yannian Gu , Wenhui Lei , Hanyu Chen , Xiaofan Zhang , Shaoting Zhang

This survey explores the transformative impact of foundation models (FMs) in artificial intelligence, focusing on their integration with federated learning (FL) for advancing biomedical research. Foundation models such as ChatGPT, LLaMa,…

Machine Learning · Computer Science 2024-05-14 Xingyu Li , Lu Peng , Yuping Wang , Weihua Zhang

We explore Generalizable Tumor Segmentation, aiming to train a single model for zero-shot tumor segmentation across diverse anatomical regions. Existing methods face limitations related to segmentation quality, scalability, and the range of…

Computer Vision and Pattern Recognition · Computer Science 2025-05-06 Yankai Jiang , Peng Zhang , Donglin Yang , Yuan Tian , Hai Lin , Xiaosong Wang

The accurate segmentation of Coronary Computed Tomography Angiography (CCTA) images holds substantial clinical value for the early detection and treatment of Coronary Heart Disease (CHD). The Transformer, utilizing a self-attention…

Image and Video Processing · Electrical Eng. & Systems 2023-10-10 Chenchu Xu , Meng Li , Xue Wu