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The Limb-imaging Ionospheric and Thermospheric Extreme-ultraviolet Spectrograph (LITES) experiment is one of thirteen instruments aboard the Space Test Program Houston 5 (STP-H5) payload on the International Space Station. Along with the…

Space Physics · Physics 2021-01-29 Laura Cui

Purpose: As a typical chronic kidney disease (CKD), hypertensive nephrosclerosis (HN) is a common syndrome of hypertension, characterized by chronic kidney microvascular damage. Early diagnosis of microvascular damage using conventional…

Medical Physics · Physics 2022-05-04 L. Qiu , J. Zhang , Y. Yang , H. Zhang , F. Lee , Q. He , L. Qian , J. Luo

It is inevitably crucial to classify sleep stage for the diagnosis of various diseases. However, existing automated diagnosis methods mostly adopt the "gold-standard" lectroencephalogram (EEG) or other uni-modal sensing signal of the…

Computer Vision and Pattern Recognition · Computer Science 2022-08-12 Jianan Han , Shaoxing Zhang , Aidong Men , Yang Liu , Ziming Yao , Yan Yan , Qingchao Chen

Laparoscopic Surgery (LS) is a modern surgical technique whereby the surgery is performed through an incision with tools and camera as opposed to conventional open surgery. This promises minimal recovery times and less hemorrhaging. Multi…

Human-Computer Interaction · Computer Science 2017-12-04 Navaneeth Kamballur Kottayil , Rositsa Bogdanova , Irene Cheng , Anup Basu , Bin Zheng

Remote monitoring of vital signs in infectious patients minimizes the risks of viral transmissions to healthcare professionals. Evidence indicates that donning face masks reduces the risk of viral transmissions and is now the norm in…

Signal Processing · Electrical Eng. & Systems 2021-12-16 Vivian Ci Ai Koh , Yi Yang Ang , Wee Ser , Rex Xiao Tan

Pulmonary emphysema overlaps considerably with chronic obstructive pulmonary disease (COPD), and is traditionally subcategorized into three subtypes previously identified on autopsy. Unsupervised learning of emphysema subtypes on computed…

Computer Vision and Pattern Recognition · Computer Science 2020-07-10 Jie Yang , Elsa D. Angelini , Pallavi P. Balte , Eric A. Hoffman , John H. M. Austin , Benjamin M. Smith , R. Graham Barr , Andrew F. Laine

Daily monitoring of internal tissues with conformable and breathable ultrasound (US) imaging probes is promising for early detection of diseases. In recent years, textile substrates are widely used for wearable devices since they satisfy…

As the heart beats, it creates fluctuation in blood pressure leading to a pulse wave that propagates by displacing the arterial wall. These waves travel through the arterial tree and carry information about the medium that they propagate…

Fluid Dynamics · Physics 2018-03-12 Peshala P. T Gamage , Fardin Khalili , Hansen A Mansy

The electromyogram (EMG) is an important tool for assessing the activity of a muscle and thus also a valuable measure for the diagnosis and control of respiratory support. In this article we propose convolutive blind source separation (BSS)…

Signal Processing · Electrical Eng. & Systems 2019-04-09 Herbert Buchner , Eike Petersen , Marcus Eger , Philipp Rostalski

Frozen shoulder (FS) is a shoulder condition that leads to pain and loss of shoulder range of motion. FS patients have difficulties in independently performing daily activities. Inertial measurement units (IMUs) have been developed to…

Signal Processing · Electrical Eng. & Systems 2021-11-29 Ting-Yang Lu , Kai-Chun Liu , Chia-Yeh Hsieh , Chih-Ya Chang , Yu Tsao , Chia-Tai Chan

Human limb motion tracking and recognition plays an important role in medical rehabilitation training, lower limb assistance, prosthetics design for amputees, feedback control for assistive robots, etc. Lightweight wearable sensors,…

Signal Processing · Electrical Eng. & Systems 2022-06-30 Jiao Suo , Yifan Liu , Clio Cheng , Keer Wang , Meng Chen , Ho-yin Chan , Roy Vellaisamy , Ning Xi , Vivian W. Q. Lou , Wen Jung Li

Purpose: To utilize high-resolution quantitative CT (QCT) imaging features for prediction of diagnosis and prognosis in fibrosing interstitial lung diseases (ILD). Approach: 40 ILD patients (20 usual interstitial pneumonia (UIP), 20 non-UIP…

Image and Video Processing · Electrical Eng. & Systems 2022-06-22 Babak Haghighi , Warren B. Gefter , Lauren Pantalone , Despina Kontos , Eduardo Mortani Barbosa

In vivo skin exhibits viscoelastic, hyper-elastic and non-linear characteristics. It is under a constant non-equibiaxial tension in its natural configuration and is reinforced with oriented collagen fibers, giving rise to anisotropic…

Biological Physics · Physics 2025-06-04 Matt Nagle , Susan Price , Antonia Trotta , Michel Destrade , Michael Fop , Aisling Ní Annaidh

We present a novel experiment on interfacial wave dynamics in orbitally shaken cylindrical vessels containing two- and three fluid layers. The experiment was designed as a hydrodynamical model for both alu- minum reduction cells and liquid…

Fluid Dynamics · Physics 2018-08-01 Gerrit Maik Horstmann , Markus Wylega , Tom Weier

This paper presents a novel approach to evaluating back support exoskeletons (BSEs) in workplace settings addressing the limitations of traditional methods like electromyography (EMG), which are impractical due to their sensitivity to…

Robotics · Computer Science 2025-03-04 Joshua Leong Wei Ren , Thomas M. Kwok

It has been shown that light speckle fluctuations provide a means for noninvasive measurements of cerebral blood flow index (CBFi). While conventional Diffuse Correlation Spectroscopy (DCS) provides marginal brain sensitivity for CBFi in…

Resonance ultrasound spectroscopy (RUS) is a non-destructive technique used to assess materials' elastic and anelastic properties. It involves measuring the frequencies of free vibrations in a carefully prepared sample to extract material…

Applied Physics · Physics 2023-08-01 Farhad Farzbod , Casey Holycross

In the paper the interval least squares approach to estimate/fit data with interval uncertainties is introduced. The solution of this problem is discussed from the perspective of interval linear algebra. Using the interval linear algebra…

Quantitative Methods · Quantitative Biology 2019-02-26 Jaroslav Horáček , Václav Koucký , Milan Hladík

The stratified inclined duct (SID) sustains an exchange flow in a long, gently sloping duct as a model for continuously-forced density-stratified flows such as those found in estuaries. Experiments have shown that the emergence of…

Chest physiotherapy is a set of techniques used to help the draining of the mucus from the lung in pathological situations. The choice of the techniques, and their adjustment to the patients or to the pathologies, remains as of today…