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Related papers: Stroke volume estimation by thoracocardiography is…

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The mechanisms by which blast pressure waves cause mild to moderate traumatic brain injury (mTBI) are an open question. Possibilities include acceleration of the head, direct passage of the blast wave via the cranium, and propagation of the…

Medical Physics · Physics 2008-12-31 Amy Courtney , Michael Courtney

A new intrinsic volume metric is introduced for the class of convex bodies in $\mathbb{R}^n$. As an application, an inequality is proved for the asymptotic best approximation of the Euclidean unit ball by arbitrarily positioned polytopes…

Metric Geometry · Mathematics 2023-03-15 Florian Besau , Steven Hoehner

Privacy-preserving crowd density analysis finds application across a wide range of scenarios, substantially enhancing smart building operation and management while upholding privacy expectations in various spaces. We propose a non-speech…

The optimal condition of the cone volume measure of a pair of antopodal points is proved and analyzed.

Metric Geometry · Mathematics 2015-01-15 Karoly J. Böröczky , Pal Hegedus

An electrocardiogram (EKG) is a common, non-invasive test that measures the electrical activity of a patient's heart. EKGs contain useful diagnostic information about patient health that may be absent from other electronic health record…

Machine Learning · Statistics 2018-12-04 Andrew C. Miller , Ziad Obermeyer , David M. Blei , John P. Cunningham , Sendhil Mullainathan

The analysis of plaque deposits in the coronary vasculature is an important topic in current clinical research. From a technical side mostly new algorithms for different sub tasks - e.g. centerline extraction or vessel/plaque segmentation -…

Computer Vision and Pattern Recognition · Computer Science 2021-01-12 Felix Denzinger , Michael Wels , Christian Hopfgartner , Jing Lu , Max Schöbinger , Andreas Maier , Michael Sühling

The acoustic spectrum of a gas-filled resonating cavity can be used to indirectly probe its internal velocity field. This unconventional velocimetry method is particularly interesting for opaque fluid or rapidly rotating flows, which cannot…

Pericoronary adipose tissue (PCAT) is the deposition of fat in the vicinity of the coronary arteries. It is an indicator of coronary inflammation and associated with coronary artery disease. Non-invasive coronary CT angiography (CCTA) is…

Image and Video Processing · Electrical Eng. & Systems 2023-11-23 Andrew M. Nguyen , Tejas Sudharshan Mathai , Liangchen Liu , Jianfei Liu , Ronald M. Summers

In this paper, we would like to quantitatively measure the tumor volume contained in the breast imaged by the Digital Breast Tomosynthesis (DBT), a reconstructed 3D image. The estimated volume will add to the prognostic value of risk…

Medical Physics · Physics 2018-04-17 Bocar Wane

Large vessel occlusion (LVO) plays an important role in the diagnosis of acute ischemic stroke. Identifying LVO of patients in the early stage on admission would significantly lower the probabilities of suffering from severe effects due to…

Image and Video Processing · Electrical Eng. & Systems 2019-06-20 Jia You , Philip L. H. Yu , Anderson C. O. Tsang , Eva L. H. Tsui , Pauline P. S. Woo , Gilberto K. K. Leung

In order to provide information for the use of radar in diagnostics a qualitative map of movements in the thorax has been obtained. This map was based on magnetic resonance image sequences of a human thorax during suspended respiration. The…

Medical Physics · Physics 2014-05-28 Lars Erik Solberg , Ilangko Balasingham , Erik Fosse , Per Kristian Hol

Background: Pulmonary auscultation is a common tool for diagnosing various respiratory diseases. Previous studies have documented many details of pulmonary sounds in humans. However, information on sound generation and pressure loss inside…

Signal Processing · Electrical Eng. & Systems 2017-12-01 Md Khurshidul Azad , Amirtaha Taebi , Joseph H Mansy , HA Mansy

When technical requirements are high, and patient outcomes are critical, opportunities for monitoring and improving surgical skills via objective motion analysis feedback may be particularly beneficial. This narrative review synthesises…

Computer Vision and Pattern Recognition · Computer Science 2024-02-20 Merryn D. Constable , Hubert P. H. Shum , Stephen Clark

Cardiovascular diseases stand as the primary global cause of mortality. Among the various imaging techniques available for visualising the heart and evaluating its function, echocardiograms emerge as the preferred choice due to their safety…

Image and Video Processing · Electrical Eng. & Systems 2023-11-22 Adil Dahlan , Cyril Zakka , Abhinav Kumar , Laura Tang , Rohan Shad , Robyn Fong , William Hiesinger

Since black holes lack a straightforward notion of geometrical volume due to their event horizon structure and coordinate dependence, various approaches have been proposed to introduce a meaningful geometric and thermodynamic volume. In…

General Relativity and Quantum Cosmology · Physics 2026-01-06 Réka Somogyfoki , Péter Ván

Carotid artery plaques can cause arterial vascular diseases such as stroke and myocardial infarction, posing a severe threat to human life. However, the current clinical examination mainly relies on a direct assessment by physicians of…

Human-Computer Interaction · Computer Science 2023-08-15 Chaoqing Xu , Zhentao Zheng , Yiting Fu , Baofeng Chang , Legao Chen , Minghui Wu , Mingli Song , Jinsong Jiang

In this work, a seismocardiogram (SCG) based breathing-state measuring method is proposed for m-health applications. The aim of the proposed framework is to assess the human respiratory system by identifying degree-of-breathings, such as…

Signal Processing · Electrical Eng. & Systems 2024-05-07 Tilendra Choudhary , L. N. Sharma , M. K. Bhuyan , Kangkana Bora

A theoretical analysis of the mechanisms underlying the dynamics of gallbladder and heart pulsation could clarify the question regarding the classification as chaotic of the associated behaviour, eventually related to a normal and healthy…

Tissues and Organs · Quantitative Biology 2009-11-10 Giovanni Imponente

Arterial Blood Pressure wave monitoring is considered to be important in assessment of cardiovascular system. We developed a novel pulse wave detection system using low frequency specific piezoelectric material as pressure wave sensor. The…

Medical Physics · Physics 2007-05-23 Shantanu Sur , S. K. Ghatak

The exact precession frequency of a freely-precessing test gyroscope is derived for a $2+1$ dimensional rotating acoustic black hole analogue spacetime, without making the somewhat unrealistic assumption that the gyroscope is static. We…

General Relativity and Quantum Cosmology · Physics 2020-06-03 Chandrachur Chakraborty , Parthasarathi Majumdar