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Biological cells and synthetic analogues use liquid-liquid phase separation to dynamically compartmentalize their environment for various applications. In many cases, multiple droplets need to coexist, and their size needs to be controlled,…

Soft Condensed Matter · Physics 2025-12-03 Guido Kusters , David Zwicker

Background: At the beginning of 2020, a high number of COVID-19 cases affected Italy in a short period, causing a difficult supply of medical equipment. To deal with the problem, many healthcare operators readapted different masks to…

To quantify the fate of respiratory droplets under different ambient relative humidities, direct numerical simulations of a typical respiratory event are performed. We found that, because small droplets (with initial diameter of 10um) are…

Fluid Dynamics · Physics 2021-02-04 Kai Leong Chong , Chong Shen Ng , Naoki Hori , Rui Yang , Roberto Verzicco , Detlef Lohse

Accurate 3D tracking of hand and fingers movements poses significant challenges in computer vision. The potential applications span across multiple domains, including human-computer interaction, virtual reality, industry, and medicine.…

Computer Vision and Pattern Recognition · Computer Science 2023-08-03 Gianluca Amprimo , Giulia Masi , Giuseppe Pettiti , Gabriella Olmo , Lorenzo Priano , Claudia Ferraris

This paper presents a comparison of various deep learning models such as Exception, Resnet-50, and Inception V3 for the classification and prediction of hand hygiene gestures, which were recorded in accordance with the World Health…

Computer Vision and Pattern Recognition · Computer Science 2021-11-04 Rashmi Bakshi

Hand preference and degree of handedness (DoH) are two different aspects of human behavior which are often confused to be one. DoH is a person's inherent capability of the brain; affected by nature and nurture. In this study, we used…

Artificial Intelligence · Computer Science 2024-12-03 Smriti Bala , Venugopalan Y. Vishnu , Deepak Joshi

The transient dimensional changes during \textit{hygro}-expansion and \textit{hydro}-expansion of freely and restrained dried, softwood and hardwood sheets and fibers is monitored, to unravel the governing micro-mechanisms occurring during…

Wearable devices are widely used for heart rate (HR) monitoring, yet their accuracy across diverse body compositions and skin tones remains uncertain. This study evaluated four wrist worn devices (Apple, Fitbit, Samsung, Garmin) in 58…

Medical Physics · Physics 2026-02-02 Kostrna , Jason , Oparina , Ekaterina , Palacios , Cristina , Rodriguez , Andres J , Pei , JunZhu , Ajmal , Ajmal , Ramella-Roman , Jessica C

People's personal hygiene habits speak volumes about the condition of taking care of their bodies and health in daily lifestyle. Maintaining good hygiene practices not only reduces the chances of contracting a disease but could also reduce…

Robotics presents a promising opportunity for enhancing bathing assistance, potentially to alleviate labor shortages and reduce care costs, while offering consistent and gentle care for individuals with physical disabilities. However,…

Robotics · Computer Science 2025-03-17 Fukang Liu , Kavya Puthuveetil , Akhil Padmanabha , Karan Khokar , Zeynep Temel , Zackory Erickson

The spreading of liquid nanodroplets of different initial radii $R_{0}$ is studied using molecular dynamics simulation. Results for two distinct systems, Pb on Cu(111), which is non-wetting, and a coarse grained polymer model, which wets…

Soft Condensed Matter · Physics 2007-05-23 David R. Heine , Gary S. Grest , Edmund B. Webb

Hydrogen bonding liquids, typically water and alcohols, are known to form labile structures (network, chains, etc...), hence the lifetime of such structures is an important microscopic parameter, which can be calculated in computer…

Soft Condensed Matter · Physics 2021-09-29 Ivo Jukic , Bernarda Lovrinvevic , Martina Pozar , Aurélien Perera

Although recent text-to-image (T2I) models have significantly improved the overall visual quality of generated images, they still struggle in the generation of accurate details in complex local regions, especially human hands. Generated…

Computer Vision and Pattern Recognition · Computer Science 2025-10-13 Zichuan Wang , Bo Peng , Songlin Yang , Zhenchen Tang , Jing Dong

The ambient conditions surrounding liquid droplets determine their growth or shrinkage. However, the precise fate of a liquid droplet expelled from a respiratory puff as dictated by its surroundings and the puff itself has not yet been…

Fluid Dynamics · Physics 2020-11-04 Chong Shen Ng , Kai Leong Chong , Rui Yang , Mogeng Li , Roberto Verzicco , Detlef Lohse

A large number of infectious diseases is transmitted by respiratory droplets. How long these droplets persist in the air, how far they can travel, and how long the pathogens they might carry survive are all decisive factors for the spread…

Soft Condensed Matter · Physics 2021-03-24 Anže Božič , Matej Kanduč

Aerobreakup of drops is a fundamental two-phase flow problem that is essential to many spray applications. A parametric numerical study was performed by varying the gas stream velocity, focusing on the regime of moderate Weber numbers, in…

Fluid Dynamics · Physics 2023-05-02 Yue Ling , Taofiqhasan Mahmood

Background: Physiological tremor is defined as an involuntary and rhythmic shaking. Tremor of the hand is a key symptom of multiple neurological diseases, and its frequency and amplitude differs according to both disease type and disease…

Computer Vision and Pattern Recognition · Computer Science 2023-05-01 James Bungay , Osasenaga Emokpae , Samuel D. Relton , Jane Alty , Stefan Williams , Hui Fang , David C. Wong

Cold spraying is an increasingly common approach for repairing and manufacturing components due to its solid-state manufacturing capabilities. However, process optimization remains difficult due to many interdependent parameters and the…

This work is part of an innovative e-learning project allowing the development of an advanced digital educational tool that provides feedback during the process of learning handwriting for young school children (three to eight years old).…

Human-Computer Interaction · Computer Science 2020-10-15 Yahia Hamdi , Hanen Akouaydi , Houcine Boubaker , Adel M. Alimi

We study the equilibrium properties and the wetting behavior of a simple liquid on a polymer brush, with and without presence of lubricant by multibody Dissipative Particle Dynamics simulations. The lubricant is modelled as a polymeric…

Soft Condensed Matter · Physics 2024-03-19 Rodrique G. M. Badr , Lukas Hauer , Doris Vollmer , Friederike Schmid