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Mitral regurgitation (MR) is a heart valve disease with potentially fatal consequences that can only be forestalled through timely diagnosis and treatment. Traditional diagnosis methods are expensive, labor-intensive and require clinical…

图像与视频处理 · 电气工程与系统科学 2023-10-10 Ke Xiao , Erik Learned-Miller , Evangelos Kalogerakis , James Priest , Madalina Fiterau

Purpose: Central venous catheterization (CVC) is a critical medical procedure for vascular access, hemodynamic monitoring, and life-saving interventions. Its success remains challenging due to the need for continuous ultrasound-guided…

The left ventricular of ejection fraction is one of the most important metric of cardiac function. It is used by cardiologist to identify patients who are eligible for lifeprolonging therapies. However, the assessment of ejection fraction…

计算机视觉与模式识别 · 计算机科学 2023-04-04 Lhuqita Fazry , Asep Haryono , Nuzulul Khairu Nissa , Sunarno , Naufal Muhammad Hirzi , Muhammad Febrian Rachmadi , Wisnu Jatmiko

Rivers and canals flowing through cities are often used illegally for dumping the trash. This contaminates freshwater channels as well as causes blockage in sewerage resulting in urban flooding. When this contaminated water reaches…

计算机视觉与模式识别 · 计算机科学 2020-07-10 Mohbat Tharani , Abdul Wahab Amin , Mohammad Maaz , Murtaza Taj

Image logs are crucial in capturing high-quality geological information about subsurface formations. Among the various geological features that can be gleaned from Formation Micro Imager log, vugs are essential for reservoir evaluation.…

地球物理 · 物理学 2025-07-08 M. Quamer Nasim , T. Maiti , N. Mosavat , P. V. Grech , T. Singh , P. Nath Singha Roy

We refine the recently introduced "Virtual VNA 3.0" technique to remove the need for coherent detection. The resulting "Virtual VNA 3.1" technique can unambiguously estimate the full scattering matrix of a non-reciprocal, linear, passive,…

应用物理 · 物理学 2025-04-17 Philipp del Hougne

Refraction is a well-known optical phenomenon that alters the direction of light waves propagating through matter. Microscopes, lenses and prisms based on refraction are indispensable tools for controlling the properties of light beams at…

Ventricular Fibrillation (VF), one of the most dangerous arrhythmias, is responsible for sudden cardiac arrests. Thus, various algorithms have been developed to predict VF from Electrocardiogram (ECG), which is a binary classification…

机器学习 · 计算机科学 2019-03-13 Nabil Ibtehaz , M. Saifur Rahman , M. Sohel Rahman

Fall detection, particularly critical for high-risk demographics like the elderly, is a key public health concern where timely detection can greatly minimize harm. With the advancements in radio frequency technology, radar has emerged as a…

机器人学 · 计算机科学 2024-02-07 Shuting Hu , Siyang Cao , Nima Toosizadeh , Jennifer Barton , Melvin G. Hector , Mindy J. Fain

This experimental in vitro work investigates material transport properties in a model left ventricle in the case of aortic regurgitation, a valvular disease characterized by a leaking aortic valve and consequently double-jet filling within…

流体动力学 · 物理学 2019-03-18 Giuseppe Di Labbio , Jérôme Vétel , Lyes Kadem

We propose a dense indirect visual odometry method taking as input externally estimated optical flow fields instead of hand-crafted feature correspondences. We define our problem as a probabilistic model and develop a generalized-EM…

计算机视觉与模式识别 · 计算机科学 2021-04-15 Zhixiang Min , Yiding Yang , Enrique Dunn

The recognition of materials and objects inside transparent containers using computer vision has a wide range of applications, ranging from industrial bottles filling to the automation of chemistry laboratory. One of the main challenges in…

计算机视觉与模式识别 · 计算机科学 2015-06-02 Sagi Eppel

Translocation of a daughter vesicle from a mother vesicle through a pore is experimentally studied by many groups using a model system of self-reproducing vesicles. However, the theoretical formulation of the problem is not fully…

软凝聚态物质 · 物理学 2023-11-14 Manit Klawtanong , Yuka Sakuma , Masayuki Imai , Toshihiro Kawakatsu , Petch Khunpetch

Cluster of viral pneumonia occurrences during a short period of time may be a harbinger of an outbreak or pandemic, like SARS, MERS, and recent COVID-19. Rapid and accurate detection of viral pneumonia using chest X-ray can be significantly…

图像与视频处理 · 电气工程与系统科学 2020-12-03 Jianpeng Zhang , Yutong Xie , Guansong Pang , Zhibin Liao , Johan Verjans , Wenxin Li , Zongji Sun , Jian He , Yi Li , Chunhua Shen , Yong Xia

Automatic diagnosis of canine pneumothorax is challenged by data scarcity and the need for trustworthy models. To address this, we first introduce a public, pixel-level annotated dataset to facilitate research. We then propose a novel…

计算机视觉与模式识别 · 计算机科学 2026-04-08 Pu Wang , Zhixuan Mao , Jialu Li , Zhuoran Zheng , Dianjie Lu , Youshan Zhang

Optical flow is a method aimed at predicting the movement velocity of any pixel in the image and is used in medicine and biology to estimate flow of particles in organs or organelles. However, a precise optical flow measurement requires…

图像与视频处理 · 电气工程与系统科学 2021-02-16 Adrian Shajkofci , Michael Liebling

This paper proposes a weakly-supervised machine learning-based approach aiming at a tool to alert patients about possible respiratory diseases. Various types of pathologies may affect the respiratory system, potentially leading to severe…

声音 · 计算机科学 2023-12-05 Michele Cozzatti , Federico Simonetta , Stavros Ntalampiras

The research is aimed at creating a method for rheological testing of viscoelastic fluids, the droplets of which, when stretched, form thinning filaments, i.e. exhibit the property of spinning. The typical example of such fluid is oral…

医学物理 · 物理学 2021-12-16 Aleksey Rozhkov

Worldwide, sewer networks are designed to transport wastewater to a centralized treatment plant to be treated and returned to the environment. This process is critical for the current society, preventing waterborne illnesses, providing safe…

This study investigates the upward transport of waterborne pollutants from a lower container to an upper container through vertically falling water streams. While previous analyses have primarily focused on inclined channels, we extend the…

流体动力学 · 物理学 2025-04-24 D. Suárez-Fontanella , A. Cabo Montes de Oca