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Clients in a distributed or federated environment will often hold data skewed towards differing subsets of labels. This scenario, referred to as heterogeneous or non-iid federated learning, has been shown to significantly hinder model…

Machine Learning · Computer Science 2024-09-23 Kyle Sang , Tahseen Rabbani , Furong Huang

Localization of chest pathologies in chest X-ray images is a challenging task because of their varying sizes and appearances. We propose a novel weakly supervised method to localize chest pathologies using class aware deep multiscale…

Computer Vision and Pattern Recognition · Computer Science 2018-08-28 Suman Sedai , Dwarikanath Mahapatra , Zongyuan Ge , Rajib Chakravorty , Rahil Garnavi

Testing for COVID-19 has been unable to keep up with the demand. Further, the false negative rate is projected to be as high as 30% and test results can take some time to obtain. X-ray machines are widely available and provide images for…

Image and Video Processing · Electrical Eng. & Systems 2020-05-22 Lawrence O. Hall , Rahul Paul , Dmitry B. Goldgof , Gregory M. Goldgof

Mixup~\cite{zhang2017mixup} is a recently proposed method for training deep neural networks where additional samples are generated during training by convexly combining random pairs of images and their associated labels. While simple to…

Machine Learning · Statistics 2020-01-08 Sunil Thulasidasan , Gopinath Chennupati , Jeff Bilmes , Tanmoy Bhattacharya , Sarah Michalak

In this paper, we have trained several deep convolutional networks with introduced training techniques for classifying X-ray images into three classes: normal, pneumonia, and COVID-19, based on two open-source datasets. Our data contains…

Image and Video Processing · Electrical Eng. & Systems 2021-05-05 Mohammad Rahimzadeh , Abolfazl Attar

Radiologists routinely detect and size lesions in CT to stage cancer and assess tumor burden. To potentially aid their efforts, multiple lesion detection algorithms have been developed with a large public dataset called DeepLesion (32,735…

Image and Video Processing · Electrical Eng. & Systems 2025-04-09 Peter D. Erickson , Tejas Sudharshan Mathai , Ronald M. Summers

The recent trend of integrating multi-source Chest X-Ray datasets to improve automated diagnostics raises concerns that models learn to exploit source-specific correlations to improve performance by recognizing the source domain of an image…

Image and Video Processing · Electrical Eng. & Systems 2022-01-12 Srishti Gautam , Marina M. -C. Höhne , Stine Hansen , Robert Jenssen , Michael Kampffmeyer

Deep learning has had remarkable success at analyzing handheld imagery such as consumer photos due to the availability of large-scale human annotations (e.g., ImageNet). However, remote sensing data lacks such extensive annotation and thus…

Computer Vision and Pattern Recognition · Computer Science 2023-12-27 Chun-Hsiao Yeh , Xudong Wang , Stella X. Yu , Charles Hill , Zackery Steck , Scott Kangas , Aaron Reite

Semi-supervised learning is attracting blooming attention, due to its success in combining unlabeled data. To mitigate potentially incorrect pseudo labels, recent frameworks mostly set a fixed confidence threshold to discard uncertain…

Computer Vision and Pattern Recognition · Computer Science 2023-08-15 Lihe Yang , Zhen Zhao , Lei Qi , Yu Qiao , Yinghuan Shi , Hengshuang Zhao

Due to the high availability of large-scale annotated image datasets, knowledge transfer from pre-trained models showed outstanding performance in medical image classification. However, building a robust image classification model for…

Image and Video Processing · Electrical Eng. & Systems 2020-09-16 Asmaa Abbas , Mohammed M. Abdelsamea , Mohamed Gaber

Medical image classification is often challenging for two reasons: a lack of labelled examples due to expensive and time-consuming annotation protocols, and imbalanced class labels due to the relative scarcity of disease-positive…

Computer Vision and Pattern Recognition · Computer Science 2021-08-23 Tri Huynh , Aiden Nibali , Zhen He

With the development of deep learning, medical image classification has been significantly improved. However, deep learning requires massive data with labels. While labeling the samples by human experts is expensive and time-consuming,…

Image and Video Processing · Electrical Eng. & Systems 2021-09-14 Jiarun Liu , Ruirui Li , Chuan Sun

Current standard protocols used in the clinic for diagnosing COVID-19 include molecular or antigen tests, generally complemented by a plain chest X-Ray. The combined analysis aims to reduce the significant number of false negatives of these…

Image and Video Processing · Electrical Eng. & Systems 2020-12-01 Julian D. Arias-Londoño , Jorge A. Gomez-Garcia , Laureano Moro-Velazquez , Juan I. Godino-Llorente

Medical image segmentation has made significant progress when a large amount of labeled data are available. However, annotating medical image segmentation datasets is expensive due to the requirement of professional skills. Additionally,…

Computer Vision and Pattern Recognition · Computer Science 2023-07-25 Tao Wang , Zhongzheng Huang , Jiawei Wu , Yuanzheng Cai , Zuoyong Li

We propose Dense FixMatch, a simple method for online semi-supervised learning of dense and structured prediction tasks combining pseudo-labeling and consistency regularization via strong data augmentation. We enable the application of…

Computer Vision and Pattern Recognition · Computer Science 2022-10-19 Miquel Martí i Rabadán , Alessandro Pieropan , Hossein Azizpour , Atsuto Maki

The limited availability of annotated data presents a major challenge for applying deep learning methods to medical image analysis. Few-shot learning methods aim to recognize new classes from only a small number of labeled examples. These…

Computer Vision and Pattern Recognition · Computer Science 2025-12-09 Berenice Montalvo-Lezama , Gibran Fuentes-Pineda

In the 21st-century information age, with the development of big data technology, effectively extracting valuable information from massive data has become a key issue. Traditional data mining methods are inadequate when faced with…

Computer Vision and Pattern Recognition · Computer Science 2024-11-28 Aoran Shen , Minghao Dai , Jiacheng Hu , Yingbin Liang , Shiru Wang , Junliang Du

Deep learning models have shown promise in improving diagnostic accuracy from chest X-rays, but they also risk perpetuating healthcare disparities when performance varies across demographic groups. In this work, we present a comprehensive…

Computer Vision and Pattern Recognition · Computer Science 2025-10-14 Clemence Mottez , Louisa Fay , Maya Varma , Sophie Ostmeier , Curtis Langlotz

We present a weakly supervised deep learning model for classifying thoracic diseases and identifying abnormalities in chest radiography. In this work, instead of learning from medical imaging data with region-level annotations, our model…

Computer Vision and Pattern Recognition · Computer Science 2018-11-07 Bo Zhou , Yuemeng Li , Jiangcong Wang

Due to the limited availability and high cost of the reverse transcription-polymerase chain reaction (RT-PCR) test, many studies have proposed machine learning techniques for detecting COVID-19 from medical imaging. The purpose of this…

Computer Vision and Pattern Recognition · Computer Science 2021-08-11 Aishwarza Panday , Muhammad Ashad Kabir , Nihad Karim Chowdhury