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Nowadays, heart disease is the leading cause of death worldwide. Predicting heart disease is a complex task since it requires experience along with advanced knowledge. Internet of Things (IoT) technology has lately been adopted in…

Machine Learning · Computer Science 2020-12-14 Mohammad Ayoub Khan

Millimeter-wave Frequency Modulated Continuous Wave (FMCW) radar enables contactless cardiac monitoring, but heartbeat estimation becomes challenging when respiration and random body motion (RBM) distort the radar signal. In this paper, we…

Signal Processing · Electrical Eng. & Systems 2026-05-28 Matteo Pardi , Amir Hosein Oveis , Saba Kharabadze , Ajeet Kumar

This study introduces an improved VMD based signal decomposition methodology for non-contact heartbeat estimation using millimeterwave (mmWave) radar. Specifically, we first analyze the signal model of the mmWave radar system. The…

Signal Processing · Electrical Eng. & Systems 2025-02-18 Boyuan Gu , Yanhui Yang , Siyu You , Haiyang Sun , Jiahui Sun , Shisheng Guo

Non-contact electrocardiogram (ECG) reconstruction from radar signals offers a promising approach for unobtrusive cardiac monitoring. We present LifWavNet, a lifting wavelet network based on a multi-resolution analysis and synthesis (MRAS)…

Computer Vision and Pattern Recognition · Computer Science 2025-11-03 Soumitra Kundu , Gargi Panda , Saumik Bhattacharya , Aurobinda Routray , Rajlakshmi Guha

Heart rate recovery (HRR) within the initial minute following exercise is a widely utilized metric for assessing cardiac autonomic function in individuals and predicting mortality risk in patients with cardiovascular disease. However,…

Signal Processing · Electrical Eng. & Systems 2025-03-31 Ziheng Mao , Yuan He , Jia Zhang , Yimiao Sun , Yadong Xie , Xiuzhen Guo

Recent advancements have showcased the potential of handheld millimeter-wave (mmWave) imaging, which applies synthetic aperture radar (SAR) principles in portable settings. However, existing studies addressing handheld motion errors either…

Computer Vision and Pattern Recognition · Computer Science 2024-05-07 Yadong Li , Dongheng Zhang , Ruixu Geng , Jincheng Wu , Yang Hu , Qibin Sun , Yan Chen

Longitudinal monitoring of heart rate (HR) and heart rate variability (HRV) can aid in tracking cardiovascular diseases (CVDs), sleep quality, sleep disorders, and reflect autonomic nervous system activity, stress levels, and overall…

Signal Processing · Electrical Eng. & Systems 2024-12-20 Ruhan Yi , Mihail Popescu , James M. Keller , Grant Scott , Laurel Despins , David Heise , Marjorie Skubic

Myocardial infarction (MI), commonly known as a heart attack, is a critical health condition caused by restricted blood flow to the heart. Early-stage detection through continuous ECG monitoring is essential to minimize irreversible damage.…

Machine Learning · Computer Science 2024-11-28 Abhijith S , Arjun Rajesh , Mansi Manoj , Sandra Davis Kollannur , Sujitta R , Jerrin Thomas Panachakel

Given the global prevalence of cardiovascular diseases, there is a pressing need for easily accessible early screening methods. Typically, this requires medical practitioners to investigate heart auscultations for irregular sounds, followed…

Sound · Computer Science 2024-12-05 Linh Vu , Thu Tran

Cardiac diseases are one of the leading mortality factors in modern, industrialized societies, which cause high expenses in public health systems. Due to high costs, developing analytical methods to improve cardiac diagnostics is essential.…

Image and Video Processing · Electrical Eng. & Systems 2023-05-19 Bekir Yavuz Koc , Taner Arsan , Onder Pekcan

Millimetre-wave (mmWave) radar has emerged as an attractive and cost-effective alternative for human activity sensing compared to traditional camera-based systems. mmWave radars are also non-intrusive, providing better protection for user…

Machine Learning · Computer Science 2023-11-03 Han Cui , Shu Zhong , Jiacheng Wu , Zichao Shen , Naim Dahnoun , Yiren Zhao

Non-contact vital sign monitoring has many advantages over conventional methods in being comfortable, unobtrusive and without any risk of spreading infection. The use of millimeter-wave (mmWave) radars is one of the most promising…

Signal Processing · Electrical Eng. & Systems 2023-09-18 Steven Marty , Federico Pantanella , Andrea Ronco , Kanika Dheman , Michele Magno

Cardiac magnetic resonance imaging (MRI) requires reconstructing a real-time video of a beating heart from continuous highly under-sampled measurements. This task is challenging since the object to be reconstructed (the heart) is…

Image and Video Processing · Electrical Eng. & Systems 2024-01-12 Johannes F. Kunz , Stefan Ruschke , Reinhard Heckel

Radar technology presents untapped potential for continuous, contactless, and passive heart rate monitoring via consumer electronics like mobile phones. However the variety of available radar systems and lack of standardization means that a…

Objective: Heartbeat detection remains central to cardiac disease diagnosis and management, and is traditionally performed based on electrocardiogram (ECG). To improve robustness and accuracy of detection, especially, in certain…

Signal Processing · Electrical Eng. & Systems 2018-07-10 B S Chandra , C S Sastry , S Jana

The alarmingly high mortality rate and increasing global prevalence of cardiovascular diseases signify the crucial need for early detection schemes. Phonocardiogram (PCG) signals have been historically applied in this domain owing to its…

Audio and Speech Processing · Electrical Eng. & Systems 2021-03-09 Samiul Based Shuvo , Shams Nafisa Ali , Soham Irtiza Swapnil , Mabrook S. Al-Rakhami , Abdu Gumaei

A "heart attack" or myocardial infarction (MI), occurs when an artery supplying blood to the heart is abruptly occluded. The "gold standard" method for imaging MI is Cardiovascular Magnetic Resonance Imaging (MRI), with intravenously…

Image and Video Processing · Electrical Eng. & Systems 2023-03-22 Shuihua Wang , Ahmed M. S. E. K Abdelaty , Kelly Parke , J Ranjit Arnold , Gerry P McCann , Ivan Y Tyukin

Heart rate and respiratory rate measurement is a vital step for diagnosing many diseases. Non-contact camera based physiological measurement is more accessible and convenient in Telehealth nowadays than contact instruments such as fingertip…

Image and Video Processing · Electrical Eng. & Systems 2021-11-02 Yuzhuo Ren , Braeden Syrnyk , Niranjan Avadhanam

Cardiac auscultation is the most practiced non-invasive and cost-effective procedure for the early diagnosis of heart diseases. While machine learning based systems can aid in automatically screening patients, the robustness of these…

Signal Processing · Electrical Eng. & Systems 2020-10-05 Ahmed Imtiaz Humayun , Shabnam Ghaffarzadegan , Md. Istiaq Ansari , Zhe Feng , Taufiq Hasan

As we are about to embark upon the highly hyped "Society 5.0", powered by the Internet of Things (IoT), traditional ways to monitor human heart signals for tracking cardio-vascular conditions are challenging, particularly in remote…

Signal Processing · Electrical Eng. & Systems 2020-06-11 Attayeb Mohsen , Muftah Al-Mahdawi , Mostafa M. Fouda , Mikihiko Oogane , Yasuo Ando , Zubair Md Fadlullah
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