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Chest X-ray imaging is commonly used to diagnose pneumonia, but accurately localizing the pneumonia-affected regions typically requires detailed pixel-level annotations, which are costly and time consuming to obtain. To address this…

Computer Vision and Pattern Recognition · Computer Science 2026-01-15 Kiran Shahi , Anup Bagale

This paper presents a novel approach to Explainable AI (XAI) that combines contrastive explanations with differential privacy for clustering algorithms. Focusing on k-median and k-means problems, we calculate contrastive explanations as the…

Machine Learning · Computer Science 2025-06-03 Dung Nguyen , Ariel Vetzler , Sarit Kraus , Anil Vullikanti

The healthcare industry has been revolutionized significantly by novel imaging technologies, not just in the diagnosis of cardiovascular diseases but also by the visualization of structural abnormalities like cardiomegaly. This article…

Computer Vision and Pattern Recognition · Computer Science 2025-11-26 Abishek Karthik , Pandiyaraju V

Cardiac segmentation of atriums, ventricles, and myocardium in computed tomography (CT) images is an important first-line task for presymptomatic cardiovascular disease diagnosis. In several recent studies, deep learning models have shown…

Image and Video Processing · Electrical Eng. & Systems 2024-10-01 Sanguk Park , Minyoung Chung

We propose a novel continual self-supervised learning (CSSL) framework for simultaneously learning diverse features from multi-window-obtained chest computed tomography (CT) images and ensuring data privacy. Achieving a robust and highly…

Computer Vision and Pattern Recognition · Computer Science 2025-11-03 Ren Tasai , Guang Li , Ren Togo , Takahiro Ogawa , Kenji Hirata , Minghui Tang , Takaaki Yoshimura , Hiroyuki Sugimori , Noriko Nishioka , Yukie Shimizu , Kohsuke Kudo , Miki Haseyama

Estimating heart rate is important for monitoring users in various situations. Estimates based on facial videos are increasingly being researched because it makes it possible to monitor cardiac information in a non-invasive way and because…

In recent years, research has highlighted the association between increased adipose tissue surrounding the human heart and elevated susceptibility to cardiovascular diseases such as atrial fibrillation and coronary heart disease. However,…

Computer Vision and Pattern Recognition · Computer Science 2026-05-20 Guilherme Santos da Silva , Dalcimar Casanova , Jefferson Tales Oliva , Erick Oliveira Rodrigues

BACKGROUND AND OBJECTIVES: The multiple chest x-ray datasets released in the last years have ground-truth labels intended for different computer vision tasks, suggesting that performance in automated chest-xray interpretation might improve…

Deep learning (DL) is being increasingly utilized in healthcare-related fields due to its outstanding efficiency. However, we have to keep the individual health data used by DL models private and secure. Protecting data and preserving the…

Image and Video Processing · Electrical Eng. & Systems 2022-03-16 Wadii Boulila , Adel Ammar , Bilel Benjdira , Anis Koubaa

Human pose estimation (HPE) is a key building block for developing AI-based context-aware systems inside the operating room (OR). The 24/7 use of images coming from cameras mounted on the OR ceiling can however raise concerns for privacy,…

Computer Vision and Pattern Recognition · Computer Science 2021-08-23 Vinkle Srivastav , Afshin Gangi , Nicolas Padoy

Computer-aided diagnosis plays a salient role in more accessible and accurate cardiopulmonary diseases classification and localization on chest radiography. Millions of people get affected and die due to these diseases without an accurate…

Image and Video Processing · Electrical Eng. & Systems 2021-10-29 Ajay Jaiswal , Tianhao Li , Cyprian Zander , Yan Han , Justin F. Rousseau , Yifan Peng , Ying Ding

Wireless sensing technologies can now detect heartbeats using radio frequency and acoustic signals, raising significant privacy concerns. Existing privacy solutions either protect from all sensing systems indiscriminately preventing any…

Cryptography and Security · Computer Science 2025-11-07 Yixuan Gao , Tanvir Ahmed , Zekun Chang , Thijs Roumen , Rajalakshmi Nandakumar

Remote photoplethysmography (rPPG), which aims at measuring heart activities without any contact, has great potential in many applications (e.g., remote healthcare). Existing rPPG approaches rely on analyzing very fine details of facial…

Image and Video Processing · Electrical Eng. & Systems 2019-07-30 Zitong Yu , Wei Peng , Xiaobai Li , Xiaopeng Hong , Guoying Zhao

A stationary stochastic geometric model is proposed for analyzing the data compression method used in one-bit compressed sensing. The data set is an unconstrained stationary set, for instance all of $\mathbb{R}^n$ or a stationary Poisson…

Probability · Mathematics 2018-10-16 François Baccelli , Eliza O'Reilly

Due to the scarcity of annotated data in the medical domain, few-shot learning may be useful for medical image analysis tasks. We design a few-shot learning method using an ensemble of random subspaces for the diagnosis of chest x-rays…

Computer Vision and Pattern Recognition · Computer Science 2023-09-04 Kshitiz , Garvit Garg , Angshuman Paul

Vital sign measurement using cameras presents opportunities for comfortable, ubiquitous health monitoring. Remote photoplethysmography (rPPG), a foundational technology, enables cardiac measurement through minute changes in light reflected…

Computer Vision and Pattern Recognition · Computer Science 2025-12-09 Kegang Wang , Jiankai Tang , Yuntao Wang , Xin Liu , Yuxuan Fan , Jiatong Ji , Yuanchun Shi , Daniel McDuff

Generally, the small size of public medical imaging datasets coupled with stringent privacy concerns, hampers the advancement of data-hungry deep learning models in medical imaging. This study addresses these challenges for 3D cardiac MRI…

Image and Video Processing · Electrical Eng. & Systems 2024-07-24 Deniz Daum , Richard Osuala , Anneliese Riess , Georgios Kaissis , Julia A. Schnabel , Maxime Di Folco

Deep neural networks for image-based screening and computer-aided diagnosis have achieved expert-level performance on various medical imaging modalities, including chest radiographs. Recently, several works have indicated that these…

Computer Vision and Pattern Recognition · Computer Science 2022-08-02 Ričards Marcinkevičs , Ece Ozkan , Julia E. Vogt

Coronavirus (COVID-19) has shown an unprecedented global crisis by the detrimental effect on the global economy and health. The number of COVID-19 cases has been rapidly increasing, and there is no sign of stopping. It leads to a severe…

Cryptography and Security · Computer Science 2021-10-27 Trang-Thi Ho , Yennun-Huang

Whole-heart multi-compartment CT segmentation is clinically important, but standard CNNs do not explicitly enforce anatomical plausibility. Based on statistics derived from the training data, we evaluate whether lightweight explicit shape…

Image and Video Processing · Electrical Eng. & Systems 2026-05-18 Michael Hudler , Franz Thaler , Martin Urschler