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This paper presents a theoretical study of a non-linear rheological fluid transport in an axisymmetric tube by cilia. However, an attempt has been made to explain the role of cilia motion on the transport of fluid through the ductus…

流体动力学 · 物理学 2023-12-22 S. Maiti , S. K. Pandey

Tuberculosis (TB) remains a significant global health challenge, with pediatric cases posing a major concern. The World Health Organization (WHO) advocates for chest X-rays (CXRs) for TB screening. However, visual interpretation by…

In spite of considerable progress, computing curvature in Volume of Fluid (VOF) methods continues to be a challenge. The goal is to develop a function or a subroutine that returns the curvature in computational cells containing an interface…

计算物理 · 物理学 2018-11-14 Yinghe Qi , Jiacai Lu , Ruben Scardovelli , Stephane Zaleski , Gretar Tryggvason

Diffuse Optical Tomography (DOT) is an emerging technology in medical imaging which employs light in the NIR spectrum to estimate the distribution of optical coefficients in biological tissues for diagnostic and monitoring purposes. DOT…

数值分析 · 数学 2022-05-27 Alessandro Benfenati , Giuseppe Bisazza , Paola Causin

Diabetic Retinopathy (DR) is a complication of long-standing, unchecked diabetes and one of the leading causes of blindness in the world. This paper focuses on improved and robust methods to extract some of the features of DR, viz. Blood…

图像与视频处理 · 电气工程与系统科学 2022-07-12 Soham Basu , Sayantan Mukherjee , Ankit Bhattacharya , Anindya Sen

Retinal detachment (RD) is a vision-threatening condition that requires prompt intervention to preserve sight. A critical factor in treatment urgency and visual prognosis is macular involvement -- whether the macula is intact or detached.…

Unsupervised anomaly detection (UAD) in brain imaging is crucial for identifying pathologies without the need for labeled data. However, accurately localizing anomalies remains challenging due to the intricate structure of brain anatomy and…

图像与视频处理 · 电气工程与系统科学 2025-08-06 Farzad Beizaee , Sina Hajimiri , Ismail Ben Ayed , Gregory Lodygensky , Christian Desrosiers , Jose Dolz

Ultra-high-energy cosmic rays (UHECR), of energy >10 EeV, arrive at the Earth regularly, but their sources, acceleration mechanisms, details of propagation through the universe, and particle composition remain mysteries. In addition, their…

天体物理仪器与方法 · 物理学 2020-12-10 Sijbrand de Jong

Out-of-distribution (OOD) detection is critical to building reliable machine learning systems in the open world. Researchers have proposed various strategies to reduce model overconfidence on OOD data. Among them, ReAct is a typical and…

机器学习 · 计算机科学 2023-05-19 Mingyu Xu , Zheng Lian , Bin Liu , Jianhua Tao

Mitral valve regurgitation is the most common valvular disease, affecting 10% of the population over 75 years old. Left untreated, patients with mitral valve regurgitation can suffer declining cardiac health until cardiac failure and death.…

图像与视频处理 · 电气工程与系统科学 2019-06-13 Patrick Carnahan , Olivia Ginty , John Moore , Andras Lasso , Matthew A. Jolley , Christian Herz , Mehdi Eskandari , Daniel Bainbridge , Terry M. Peters

Tubular tree structures such as blood vessels and lung airways are central to many clinical tasks, including diagnosis, treatment planning, and surgical navigation. Accurate centerline extraction with correct topology is essential, as…

计算机视觉与模式识别 · 计算机科学 2026-03-13 Roman Naeem , David Hagerman , Jennifer Alvén , Fredrik Kahl

VOR, the versatile optimal resolution chopper spectrometer, is designed to probe dynamic phenomena that are currently inaccessible for inelastic neutron scattering due to flux limitations. VOR is a short instrument by the standards of the…

仪器与探测器 · 物理学 2015-06-22 P. P. Deen , A. Vickery , K. H. Andersen , R. Hall-Wilton

Water is a critical resource that must be managed efficiently. However, a substantial amount of water is lost each year due to leaks in Water Distribution Networks (WDNs). This underscores the need for reliable and effective leak detection…

机器学习 · 计算机科学 2025-11-18 Daniele Ugo Leonzio , Paolo Bestagini , Marco Marcon , Stefano Tubaro

Abnormalities in retinal fundus images may indicate certain pathologies such as diabetic retinopathy, hypertension, stroke, glaucoma, retinal macular edema, venous occlusion, and atherosclerosis, making the study and analysis of retinal…

图像与视频处理 · 电气工程与系统科学 2024-05-28 Yuzhuo Chen , Zetong Chen , Yuanyuan Liu

Ultrasound is a vital diagnostic technique in health screening, with the advantages of non-invasive, cost-effective, and radiation free, and therefore is widely applied in the diagnosis of nodules. However, it relies heavily on the…

图像与视频处理 · 电气工程与系统科学 2025-11-25 Siyuan Jiang , Yan Ding , Yuling Wang , Lei Xu , Wenli Dai , Wanru Chang , Jianfeng Zhang , Jie Yu , Jianqiao Zhou , Chunquan Zhang , Ping Liang , Dexing Kong

Colorectal cancer is the most common cancer in Singapore and the third most common cancer worldwide. Blood in a person's stool is a symptom of this disease, and it is usually detected by the faecal occult blood test (FOBT). However, the…

图像与视频处理 · 电气工程与系统科学 2024-10-24 Glenda Hui En Tan , Goh Xin Ru Karin , Shen Bingquan

Due to the reversibility of viscous flow it is not expected to obtain a fluidic rectifier simply from geometrical asymmetry without any moving mechanical parts. Here, we found a counter example by using spatial asymmetry combined with…

应用物理 · 物理学 2019-11-13 X. Huo , G. Yossifon

In this paper, we introduce a novel mechanism that uses machine learning techniques to detect water leaks in pipes. The proposed simple and low-cost mechanism is designed that can be easily installed on building pipes with various sizes.…

声音 · 计算机科学 2025-01-22 Hossein Pourmehrani , Reshad Hosseini , Hadi Moradi

Retinal vein cannulation (RVC) is a minimally invasive microsurgical procedure for treating retinal vein occlusion (RVO), a leading cause of vision impairment. However, the small size and fragility of retinal veins, coupled with the need…

机器人学 · 计算机科学 2025-07-30 Yi Wang , Peiyao Zhang , Mojtaba Esfandiari , Peter Gehlbach , Iulian I. Iordachita

When a solid metal is struck, its free surface can eject fast and fine particles. Despite the many diagnostics that have been implemented to measure the mass, size, velocity or temperature of ejecta, these efforts provide only a partial…