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Related papers: Heart Rate Extraction from Abdominal Audio Signals

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The general public and medical professionals recognized the importance of accurately measuring and storing blood oxygen levels and heart rate during the COVID-19 pandemic. The demand for accurate contact-less devices was motivated by the…

Medical Physics · Physics 2022-04-19 Zhuang Hou , Xiaolei Cao

We present algorithms for the detection of a class of heart arrhythmias with the goal of eventual adoption by practicing cardiologists. In clinical practice, detection is based on a small number of meaningful features extracted from the…

Machine Learning · Statistics 2016-07-14 Choudur Lakshminarayan , Tony Basil

Respiratory rate (RR) is a key vital sign for clinical assessment and mental well-being, yet it is rarely monitored in everyday life due to the lack of unobtrusive sensing technologies. In-ear audio sensing is promising due to its high…

Sound · Computer Science 2026-02-04 Michael Küttner , Valeria Zitz , Supraja Ramesh , Michael Beigl , Tobias Röddiger

Background: Several studies have shown that both respiratory and cardiac motion can be extracted from the Pilot Tone (PT) signal successfully. However, most of these studies were performed in healthy volunteers. In addition, validating PT…

Signal Processing · Electrical Eng. & Systems 2024-02-29 Chong Chen , Yingmin Liu , Orlando P. Simonetti , Matthew Tong , Ning Jin , Mario Bacher , Peter Speier , Rizwan Ahmad

Estimation of the fetal heart rate (FHR) has gained interest in the last century, low heart rate variability has been studied to identify intrauterine growth restricted fetuses (prepartum), and abnormal FHR patterns have been associated…

Computer Vision and Pattern Recognition · Computer Science 2016-06-06 Joachim Behar

This paper presents the first implementation of autonomous robotic auscultation of heart and lung sounds. To select auscultation locations that generate high-quality sounds, a Bayesian Optimization (BO) formulation leverages visual…

Robotics · Computer Science 2022-01-25 Yifan Zhu , Alexander Smith , Kris Hauser

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

Measuring the amount of speech production in daily life is important for understanding communication in organizations and identifying mental disorders. However, measuring the amount of speech production can be problematic in terms of…

Human-Computer Interaction · Computer Science 2024-05-13 Rintaro Katagiri , Yutaka Arakawa , Yugo Nakamura

Hearth Rate (HR) monitoring is increasingly performed in wrist-worn devices using low-cost photoplethysmography (PPG) sensors. However, Motion Artifacts (MAs) caused by movements of the subject's arm affect the performance of PPG-based HR…

Signal Processing · Electrical Eng. & Systems 2022-03-29 Alessio Burrello , Daniele Jahier Pagliari , Matteo Risso , Simone Benatti , Enrico Macii , Luca Benini , Massimo Poncino

Atrial fibrillation (AF) is a common cardiac arrhythmia with serious health consequences if not detected and treated early. Detecting AF using wearable devices with photoplethysmography (PPG) sensors and deep neural networks has…

Signal Processing · Electrical Eng. & Systems 2023-11-14 Cheng Ding , Zhicheng Guo , Cynthia Rudin , Ran Xiao , Amit Shah , Duc H. Do , Randall J Lee , Gari Clifford , Fadi B Nahab , Xiao Hu

Heart rate is an important physiological indicator of human health status. Existing remote heart rate measurement methods typically involve facial detection followed by signal extraction from the region of interest (ROI). These SOTA methods…

Computer Vision and Pattern Recognition · Computer Science 2024-04-12 Jie Wang , Jing Lian , Minjie Ma , Junqiang Lei , Chunbiao Li , Bin Li , Jizhao Liu

Heart rate (HR) is a crucial physiological signal that can be used to monitor health and fitness. Traditional methods for measuring HR require wearable devices, which can be inconvenient or uncomfortable, especially during sleep and…

Objective: Non-contact physiological measurement is a growing research area that allows capturing vital signs such as heart rate (HR) and breathing rate (BR) comfortably and unobtrusively with remote devices. However, most of the approaches…

Computer Vision and Pattern Recognition · Computer Science 2018-11-21 Weixuan Chen , Javier Hernandez , Rosalind W. Picard

Respiratory rate (RR) serves as an indicator of various medical conditions, such as cardiovascular diseases and sleep disorders. These RR estimation methods were mostly designed for finger-based PPG collected from subjects in stationary…

Signal Processing · Electrical Eng. & Systems 2024-01-12 Kianoosh Kazemi , Iman Azimi , Pasi Liljeberg , Amir M. Rahmani

We present a convolutional-recurrent neural network architecture with long short-term memory for real-time processing and classification of digital sensor data. The network implicitly performs typical signal processing tasks such as…

Atrial Fibrillation is a common form of irregular heart rhythm that can be very dangerous. Our primary goal is to analyze Atrial Fibrillation data within ECGs to develop a model based only on RR-Intervals, or the length between heart-beats,…

Quantitative Methods · Quantitative Biology 2023-02-16 Georgia Smith , Yishi Wang

Heart sound auscultation holds significant importance in the diagnosis of congenital heart disease. However, existing methods for Heart Sound Diagnosis (HSD) tasks are predominantly limited to a few fixed categories, framing the HSD task as…

Sound · Computer Science 2024-08-19 Zihan Zhao , Pingjie Wang , Liudan Zhao , Yuchen Yang , Ya Zhang , Kun Sun , Xin Sun , Xin Zhou , Yu Wang , Yanfeng Wang

Articulatory-to-acoustic inversion strongly depends on the type of data used. While most previous studies rely on EMA, which is limited by the number of sensors and restricted to accessible articulators, we propose an approach aiming at a…

Audio and Speech Processing · Electrical Eng. & Systems 2026-03-31 Sofiane Azzouz , Pierre-André Vuissoz , Yves Laprie

Understanding physiological responses during running is critical for performance optimization, tailored training prescriptions, and athlete health management. We introduce a comprehensive framework -- what we believe to be the first capable…

Machine Learning · Computer Science 2025-05-02 Barak Gahtan , Sanketh Vedula , Gil Samuelly Leichtag , Einat Kodesh , Alex M. Bronstein

Atrial fibrillation is a heart rhythm disorder that affects tens of millions people worldwide. The most effective treatment is catheter ablation. This involves irreversible heating of abnormal cardiac tissue facilitated by electroanatomical…

Medical Physics · Physics 2022-11-01 Jiyue He , Arkady Pertsov , Sanjay Dixit , Katie Walsh , Eric Toolan , Rahul Mangharam