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In many pediatric fMRI studies, cardiac signals are often missing or of poor quality. A tool to extract Heart Rate Variation (HRV) waveforms directly from fMRI data, without the need for peripheral recording devices, would be highly…

图像与视频处理 · 电气工程与系统科学 2025-02-12 Abdoljalil Addeh , Karen Ardila , Rebecca J Williams , G. Bruce Pike , M. Ethan MacDonald

Estimation of interface curvature in surface-tension dominated flows is a remaining challenge in Volume of Fluid (VOF) methods. Data-driven methods are recently emerging as a promising alternative in this domain. They outperform…

流体动力学 · 物理学 2023-04-26 Asim Önder , Philip Li-Fan Liu

Recent advances in deep pose estimation models have proven to be effective in a wide range of applications such as health monitoring, sports, animations, and robotics. However, pose estimation models fail to generalize when facing images…

计算机视觉与模式识别 · 计算机科学 2021-05-20 Vandad Davoodnia , Saeed Ghorbani , Ali Etemad

Cardiovascular disease has become one of the most significant threats endangering human life and health. Recently, Electrocardiogram (ECG) monitoring has been transformed into remote cardiac monitoring by Holter surveillance. However, the…

信号处理 · 电气工程与系统科学 2022-01-26 Peng Wang , Zihuai Lin , Xucun Yan , Zijiao Chen , Ming Ding , Yang Song , Lu Meng

Pulmonary hypertension (PH) in newborns and infants is a complex condition associated with several pulmonary, cardiac, and systemic diseases contributing to morbidity and mortality. Therefore, accurate and early detection of PH is crucial…

图像与视频处理 · 电气工程与系统科学 2022-03-25 Hanna Ragnarsdottir , Laura Manduchi , Holger Michel , Fabian Laumer , Sven Wellmann , Ece Ozkan , Julia Vogt

We consider the question of 30-minute prediction of blood glucose levels measured by continuous glucose monitoring devices, using clinical data. While most studies of this nature deal with one patient at a time, we take a certain percentage…

机器学习 · 计算机科学 2017-07-20 H. N. Mhaskar , S. V. Pereverzyev , M. D. van der Walt

Non-invasive measurement of the arterial blood speed gives rise to important healthinformation such as cardio output and blood supplies to vital organs. The magnitude andchange in arterial blood speed are key indicators of the health…

医学物理 · 物理学 2021-10-22 Alex Ce Zhang , Yu-Hwa Lo

A novel hybrid deep neural network architecture is designed to capture the spatial-temporal features of unsteady flows around moving boundaries directly from high-dimensional unsteady flow fields data. The hybrid deep neural network is…

计算物理 · 物理学 2020-06-02 Renkun Han , Zhong Zhang , Yixing Wang , Ziyang Liu , Yang Zhang , Gang Chen

Angle estimation is an important step in the Doppler ultrasound clinical workflow to measure blood velocity. It is widely recognized that incorrect angle estimation is a leading cause of error in Doppler-based blood velocity measurements.…

机器学习 · 计算机科学 2025-08-07 Nilesh Patil , Ajay Anand

Many real-world phenomena are naturally bivariate. This includes blood pressure, which comprises systolic and diastolic levels. Here, we develop a Bayesian hierarchical model that estimates these values and their interactions…

统计方法学 · 统计学 2021-11-16 Maria-Zafeiria Spyropoulou , James Bentham

Long-term in-bed monitoring benefits automatic and real-time health management within healthcare, and the advancement of human shape reconstruction technologies further enhances the representation and visualization of users' activity…

计算机视觉与模式识别 · 计算机科学 2025-03-25 Ziyu Wu , Yufan Xiong , Mengting Niu , Fangting Xie , Quan Wan , Qijun Ying , Boyan Liu , Xiaohui Cai

Camera-based physiological measurement is a fast growing field of computer vision. Remote photoplethysmography (rPPG) utilizes imaging devices (e.g., cameras) to measure the peripheral blood volume pulse (BVP) via photoplethysmography, and…

计算机视觉与模式识别 · 计算机科学 2023-11-28 Xin Liu , Girish Narayanswamy , Akshay Paruchuri , Xiaoyu Zhang , Jiankai Tang , Yuzhe Zhang , Soumyadip Sengupta , Shwetak Patel , Yuntao Wang , Daniel McDuff

Contactless monitoring using thermal imaging has become increasingly proposed to monitor patient deterioration in hospital, most recently to detect fevers and infections during the COVID-19 pandemic. In this letter, we propose a novel…

计算机视觉与模式识别 · 计算机科学 2022-02-11 Thanh Nguyen-Duc , Peter Y Chan , Andrew Tay , David Chen , John Tan Nguyen , Jessica Lyall , Maria De Freitas

Camera-based physiological monitoring, especially remote photoplethysmography (rPPG), is a promising tool for health diagnostics, and state-of-the-art pulse estimators have shown impressive performance on benchmark datasets. We argue that…

计算机视觉与模式识别 · 计算机科学 2023-03-14 Jeremy Speth , Nathan Vance , Benjamin Sporrer , Lu Niu , Patrick Flynn , Adam Czajka

In this work, blood pressure eleven years ahead is modeled using data from a longitudinal population-based health survey, the Trondelag Health (HUNT) Study, while accounting for missing data due to dropout between consecutive surveys (20-50…

Object: It is increasingly popular to collect as much data as possible in the hospital setting from clinical monitors for research purposes. However, in this setup the data calibration issue is often not discussed and, rather, implicitly…

定量方法 · 定量生物学 2019-09-17 Yu-Ting Lin , Yu-Lun Lo , Chen-Yun Lin , Hau-Tieng Wu , Martin G. Frasch

Amongst all medical biometric traits, Photoplethysmograph (PPG) is the easiest to acquire. PPG records the blood volume change with just combination of Light Emitting Diode and Photodiode from any part of the body. With IoT and smart homes'…

密码学与安全 · 计算机科学 2017-12-25 Umang Yadav , Sherif N Abbas , Dimitrios Hatzinakos

Cardiovascular diseases are the leading cause of deaths and severely threaten human health in daily life. On the one hand, there have been dramatically increasing demands from both the clinical practice and the smart home application for…

声音 · 计算机科学 2021-01-14 Zhao Ren , Kun Qian , Fengquan Dong , Zhenyu Dai , Yoshiharu Yamamoto , Björn W. Schuller

The present study explores combining machine learning (ML) algorithms with standard optical diagnostics (such as time-integrated emission spectroscopy and imaging) to accurately predict operating conditions and assess the emission…

Non-invasive and continuous blood pressure (BP) monitoring is essential for the early prevention of many cardiovascular diseases. Estimating arterial blood pressure (ABP) from photoplethysmography (PPG) has emerged as a promising solution.…

机器学习 · 计算机科学 2025-03-18 Soumitra Kundu , Gargi Panda , Saumik Bhattacharya , Aurobinda Routray , Rajlakshmi Guha