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Related papers: Fuzzy C-Means Clustering and Sonification of HRV F…

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Cardiovascular (CV) diseases are the leading cause of death in the world, and auscultation is typically an essential part of a cardiovascular examination. The ability to diagnose a patient based on their heart sounds is a rather difficult…

Sound · Computer Science 2021-08-10 Erika Bondareva , Jing Han , William Bradlow , Cecilia Mascolo

Detecting monotonic changes in heart rate (HR) is crucial for early identification of cardiac conditions and health management. This is particularly important for dementia patients, where HR trends can signal stress or agitation. Developing…

From a machine learning perspective, the human ability localize sounds can be modeled as a non-parametric and non-linear regression problem between binaural spectral features of sound received at the ears (input) and their sound-source…

Sound · Computer Science 2015-02-12 Yuancheng Luo , Dmitry N. Zotkin , Ramani Duraiswami

In this work, we present an approach for evaluating segmentation strategies and solving the biological problem of creating robust interpretable maps of biological data by employing wards agglomerative hierarchical clustering applied to…

Quantitative Methods · Quantitative Biology 2024-02-13 Richard Tjörnhammar

The electrocardiogram (ECG) is one of the most common primary tests to evaluate the health of the heart. Reliable automatic interpretation of ECG records is crucial to the goal of improving public health. It can enable a safe inexpensive…

Signal Processing · Electrical Eng. & Systems 2023-01-18 Laura Rebollo-Neira , Khalil Battikh , Amadou Sidi Watt

Arrhythmia, an abnormal cardiac rhythm, is one of the most common types of cardiac disease. Automatic detection and classification of arrhythmia can be significant in reducing deaths due to cardiac diseases. This work proposes a multi-class…

A non-invasive method for the monitoring of heart activity can help to reduce the deaths caused by heart disorders such as stroke, arrhythmia and heart attack. The human voice can be considered as a biometric data that can be used for…

Sound · Computer Science 2016-08-15 Aibek Ryskaliyev , Sanzhar Askaruly , Alex Pappachen James

We propose a novel heart rate (HR) estimation method from facial videos that dynamically adapts the HR pulse extraction algorithm to separately deal with noise from 'rigid' head motion and 'non-rigid' facial expression. We first identify…

Signal Processing · Electrical Eng. & Systems 2019-05-30 Utkarsh Sharma , Terumi Umematsu , Masanori Tsujikawa , Yoshifumi Onishi

Annotations are a critical component of visualizations, helping viewers interpret the visual representation and highlighting critical data insights. Despite their significant role, we lack an understanding of how annotations can be…

Human-Computer Interaction · Computer Science 2024-08-09 Rhys Sorenson-Graff , S. Sandra Bae , Jordan Wirfs-Brock

SIREN is a flexible, extensible, and customizable web-based general-purpose interface for auditory data display (sonification). Designed as a digital audio workstation for sonification, synthesizers written in JavaScript using the Web Audio…

Sound · Computer Science 2024-04-01 Tristan Peng , Hongchan Choi , Jonathan Berger

We formulated non-speech vocalization (NSV) modeling as a text-to-speech task and verified its viability. Specifically, we evaluated the phonetic expressivity of HUBERT speech units on NSVs and verified our model's ability to control over…

Sound · Computer Science 2022-06-28 Chin-Cheng Hsu

Clinical characterization and interpretation of respiratory sound symptoms have remained a challenge due to the similarities in the audio properties that manifest during auscultation in medical diagnosis. The misinterpretation and…

Systems and Control · Electrical Eng. & Systems 2021-10-18 Chinazunwa Uwaoma , Gunjan Mansingh

Image segmentation in the medical domain is a challenging field owing to poor resolution and limited contrast. The predominantly used conventional segmentation techniques and the thresholding methods suffer from limitations because of heavy…

Computer Vision and Pattern Recognition · Computer Science 2016-05-10 Jiyo. S. Athertya , G. Saravana Kumar

We present a non-supervised approach to optimize and evaluate the synthesis of non-speech audio effects from a speech production model. We use the Pink Trombone synthesizer as a case study of a simplified production model of the vocal tract…

Audio and Speech Processing · Electrical Eng. & Systems 2023-09-27 Mateo Cámara , Zhiyuan Xu , Yisu Zong , José Luis Blanco , Joshua D. Reiss

In this paper, several two-dimensional clustering scenarios are given. In those scenarios, soft partitioning clustering algorithms (Fuzzy C-means (FCM) and Possibilistic c-means (PCM)) are applied. Afterward, VAT is used to investigate the…

Machine Learning · Computer Science 2019-05-14 Md. Abu Bakr Siddique , Rezoana Bente Arif , Mohammad Mahmudur Rahman Khan , Zahidun Ashrafi

Understanding brain dynamics through functional Magnetic Resonance Imaging (fMRI) remains a fundamental challenge in neuroscience, particularly in capturing how the brain transitions between various functional states. Recently,…

Image and Video Processing · Electrical Eng. & Systems 2025-07-01 Yanwu Yang , Thomas Wolfers

Electrocardiography (ECG) plays a significant role in diagnosing heart-related issues, it provides, accurate, fast, and dependable insights into crucial parameters like QRS complex duration, the R-R interval, and the occurrence, amplitude,…

Signal Processing · Electrical Eng. & Systems 2023-07-24 Kavya Remesh , Job Chunkath

With the soaring adoption of in-ear wearables, the research community has started investigating suitable in-ear heart rate (HR) detection systems. HR is a key physiological marker of cardiovascular health and physical fitness. Continuous…

Human-Computer Interaction · Computer Science 2023-04-25 Kayla-Jade Butkow , Ting Dang , Andrea Ferlini , Dong Ma , Cecilia Mascolo

The electroencephalogram (EEG) has been the gold standard for quantifying mental workload; however, due to its complexity and non-portability, it can be constraining. ECG signals, which are feasible on wearable equipment pieces such as…

Machine Learning · Computer Science 2026-01-13 Malavika Pradeep , Akshay Sasi , Nusaibah Farrukh , Rahul Venugopal , Elizabeth Sherly

The demand for realistic virtual immersive audio continues to grow, with Head-Related Transfer Functions (HRTFs) playing a key role. HRTFs capture how sound reaches our ears, reflecting unique anatomical features and enhancing spatial…

Sound · Computer Science 2026-01-26 Xuyi Hu , Jian Li , Lorenzo Picinali , Aidan O. T. Hogg