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Image segmentation is important in medical imaging, providing valuable, quantitative information for clinical decision-making in diagnosis, therapy, and intervention. The state-of-the-art in automated segmentation remains supervised…

Computer Vision and Pattern Recognition · Computer Science 2023-04-28 Margherita Rosnati , Fabio De Sousa Ribeiro , Miguel Monteiro , Daniel Coelho de Castro , Ben Glocker

Histopathology can help clinicians make accurate diagnoses, determine disease prognosis, and plan appropriate treatment strategies. As deep learning techniques prove successful in the medical domain, the primary challenges become limited…

Computer Vision and Pattern Recognition · Computer Science 2024-07-11 Zhe Li , Bernhard Kainz

Federated learning has attracted considerable interest for collaborative machine learning in healthcare to leverage separate institutional datasets while maintaining patient privacy. However, additional challenges such as poor calibration…

Machine Learning · Computer Science 2022-01-19 Charles Lu , Jayasheree Kalpathy-Cramer

Over the past few years, the rapid development of deep learning technologies for computer vision has significantly improved the performance of medical image segmentation (MedISeg). However, the diverse implementation strategies of various…

Computer Vision and Pattern Recognition · Computer Science 2023-05-09 Dong Zhang , Yi Lin , Hao Chen , Zhuotao Tian , Xin Yang , Jinhui Tang , Kwang Ting Cheng

Numerous large-scale chest x-ray datasets have spearheaded expert-level detection of abnormalities using deep learning. However, these datasets focus on detecting a subset of disease labels that could be present, thus making them…

Machine Learning · Computer Science 2023-03-14 Pranav Kulkarni , Adway Kanhere , Paul H. Yi , Vishwa S. Parekh

With an increasing number of smart devices like internet of things (IoT) devices deployed in the field, offloadingtraining of neural networks (NNs) to a central server becomes more and more infeasible. Recent efforts toimprove users'…

Machine Learning · Computer Science 2023-07-19 Kilian Pfeiffer , Martin Rapp , Ramin Khalili , Jörg Henkel

This work studies training generative adversarial networks under the federated learning setting. Generative adversarial networks (GANs) have achieved advancement in various real-world applications, such as image editing, style transfer,…

Machine Learning · Computer Science 2020-07-21 Chenyou Fan , Ping Liu

Deep learning algorithms require extensive data to achieve robust performance. However, data availability is often restricted in the medical domain due to patient privacy concerns. Synthetic data presents a possible solution to these…

Imbalanced datasets widely exist in practice and area great challenge for training deep neural models with agood generalization on infrequent classes. In this work, wepropose a new rare-class sample generator (RSG) to solvethis problem. RSG…

Computer Vision and Pattern Recognition · Computer Science 2021-06-21 Jianfeng Wang , Thomas Lukasiewicz , Xiaolin Hu , Jianfei Cai , Zhenghua Xu

Federated learning (FL) has been a promising approach in the field of medical imaging in recent years. A critical problem in FL, specifically in medical scenarios is to have a more accurate shared model which is robust to noisy and out-of…

Machine Learning · Computer Science 2020-08-19 Yousef Yeganeh , Azade Farshad , Nassir Navab , Shadi Albarqouni

By leveraging neural networks, the emerging field of scientific machine learning (SciML) offers novel approaches to address complex problems governed by partial differential equations (PDEs). In practical applications, challenges arise due…

Machine Learning · Computer Science 2024-10-18 Handi Zhang , Langchen Liu , Lu Lu

The scarcity of annotated surgical data poses a significant challenge for developing deep learning systems in computer-assisted interventions. While diffusion models can synthesize realistic images, they often suffer from data memorization,…

Computer Vision and Pattern Recognition · Computer Science 2025-09-24 Danush Kumar Venkatesh , Stefanie Speidel

Medical imaging datasets are often characterized by extreme class imbalances, where rare pathologies are significantly underrepresented compared to common conditions. This imbalance poses a dual challenge for Open-Set Recognition (OSR):…

Computer Vision and Pattern Recognition · Computer Science 2026-05-04 Vishal , Arnav Aditya , Nitin Kumar , Saurabh J. Shigwan

Federated learning (FL) is increasingly adopted in domains like healthcare, where data privacy is paramount. A fundamental challenge in these systems is statistical heterogeneity-the fact that data distributions vary significantly across…

Machine Learning · Computer Science 2026-02-12 Zijian Wang , Xiaofei Zhang , Xin Zhang , Yukun Liu , Qiong Zhang

One of the most challenging aspects of medical image analysis is the lack of a high quantity of annotated data. This makes it difficult for deep learning algorithms to perform well due to a lack of variations in the input space. While…

Computer Vision and Pattern Recognition · Computer Science 2020-03-13 Soumyajyoti Dey , Soham Das , Swarnendu Ghosh , Shyamali Mitra , Sukanta Chakrabarty , Nibaran Das

Vertical federated learning (VFL), a variant of Federated Learning (FL), has recently drawn increasing attention as the VFL matches the enterprises' demands of leveraging more valuable features to achieve better model performance. However,…

Machine Learning · Computer Science 2023-06-09 Yuanqin He , Yan Kang , Xinyuan Zhao , Jiahuan Luo , Lixin Fan , Yuxing Han , Qiang Yang

Federated Learning (FL) on graphs enables collaborative model training to enhance performance without compromising the privacy of each client. However, existing methods often overlook the mutable nature of graph data, which frequently…

Machine Learning · Computer Science 2025-03-07 Sungwon Kim , Yoonho Lee , Yunhak Oh , Namkyeong Lee , Sukwon Yun , Junseok Lee , Sein Kim , Carl Yang , Chanyoung Park

Data imbalance between common and rare diseases during model training often causes intelligent diagnosis systems to have biased predictions towards common diseases. The state-of-the-art approaches apply a two-stage learning framework to…

Computer Vision and Pattern Recognition · Computer Science 2022-07-15 Chenghua Zeng , Huijuan Lu , Kanghao Chen , Ruixuan Wang , Wei-Shi Zheng

One underlying assumption of recent federated learning (FL) paradigms is that all local models usually share the same network architecture and size, which becomes impractical for devices with different hardware resources. A scalable…

Machine Learning · Computer Science 2022-05-27 Dezhong Yao , Wanning Pan , Michael J O'Neill , Yutong Dai , Yao Wan , Hai Jin , Lichao Sun

Decentralized federated learning enables learning of data representations from multiple sources without compromising the privacy of the clients. In applications like medical image segmentation, where obtaining a large annotated dataset from…

Computer Vision and Pattern Recognition · Computer Science 2025-04-01 Siladittya Manna , Suresh Das , Sayantari Ghosh , Saumik Bhattacharya