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Related papers: Tapering Analysis of Airways with Bronchiectasis

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Objective: Endobronchial Valves are a minimally invasive treatment for emphysema. After bronchoscopic placement the valves reduce the flow of air into targeted areas of the lung, causing collapse, and allowing the remainder of the lung to…

CT-based bronchial tree analysis plays an important role in the computer-aided diagnosis for respiratory diseases, as it could provide structured information for clinicians. The basis of airway analysis is bronchial tree reconstruction,…

Image and Video Processing · Electrical Eng. & Systems 2022-05-25 Wenhao Huang , Haifan Gong , Huan Zhang , Yu Wang , Haofeng Li , Guanbin Li , Hong Shen

Micro-CT images of the renal arteries of intact rat kidneys, which had their vasculature injected with the contrast agent polymer Microfil, were characterized. Measurement of inter-branch segment properties and the hierarchical structure of…

Computer Vision and Pattern Recognition · Computer Science 2022-12-21 Timothy L. Kline

Hypertension (HPT) refers to a condition where the pressure exerted on the walls of arteries by blood pumped from the heart to the body reaches levels that can lead to various ailments. Annually, a significant number of lives are lost…

Signal Processing · Electrical Eng. & Systems 2023-11-08 Yunus Emre Erdoğan , Ali Narin , Walid Hariri

Purpose: Intra-Cardiac Echocardiography (ICE) is a powerful imaging modality for guiding cardiac electrophysiology and structural heart interventions. ICE provides real-time observation of anatomy and devices, while enabling direct…

Robotics · Computer Science 2022-01-25 Young-Ho Kim , Jarrod Collins , Zhongyu Li , Ponraj Chinnadurai , Ankur Kapoor , C. Huie Lin , Tommaso Mansi

Small catheters undergo significant torsional deflections during endovascular interventions. A key challenge in enabling robot control of these catheters is the estimation of their bending planes. This paper considers approaches for…

Robotics · Computer Science 2023-04-25 Jared Lawson , Rohan Chitale , Nabil Simaan

Accurate simulations of the flow in the human airway are essential for advancing diagnostic methods. Many existing computational studies rely on simplified geometries or turbulence models, limiting their simulation's ability to resolve flow…

We consider the estimation of carbon dioxide flux at the ocean-atmosphere interface, given weighted averages of the mixing ratio in a vertical atmospheric column. In particular we examine the dependence of the posterior covariance on the…

Statistics Theory · Mathematics 2015-06-19 Graham Cox

General Visual Inspection is a manual inspection process regularly used to detect and localise obvious damage on the exterior of commercial aircraft. There has been increasing demand to perform this process at the boarding gate to minimise…

Existing tracheal tumor resection methods often lack the precision required for effective airway clearance, and robotic advancements offer new potential for autonomous resection. We present a vision-guided, autonomous approach for…

Robotics · Computer Science 2025-02-27 M. E. Smith , N. Yilmaz , T. Watts , P. M. Scheikl , J. Ge , A. Deguet , A. Kuntz , A. Krieger

Aims: This meta-analysis aimed to evaluate the diagnostic performance of echocardiographic parameters for cardiac amyloidosis (CA), with a focus on subtype stratification and comparisons with healthy controls. Methods and Results: A…

Medical Physics · Physics 2025-04-30 Zihang Zhang , Yunjie Chen , Yuanzhou Cao , Xinyi Xie , Kangming Ji , Chuang Yang , Lijun Qian

Paired inspiratory-expiratory CT scans enable the quantification of gas trapping due to small airway disease and emphysema by analyzing lung tissue motion in COPD patients. Deformable image registration of these scans assesses regional lung…

Chronic Obstructive Pulmonary Disease (COPD) is a leading cause of morbidity and mortality worldwide. Identifying those at highest risk of deterioration would allow more effective distribution of preventative and surveillance resources.…

Computer Vision and Pattern Recognition · Computer Science 2019-05-29 David Chettrit , Orna Bregman Amitai , Itamar Tamir , Amir Bar , Eldad Elnekave

Accurate 3D representations of cardiac structures allow quantitative analysis of anatomy and function. In this work, we propose a method for reconstructing complete 3D cardiac shapes from segmentations of sparse planes in CT angiography…

Computer Vision and Pattern Recognition · Computer Science 2026-04-07 Gino E. Jansen , Carolina Brás , R. Nils Planken , Mark J. Schuuring , Berto J. Bouma , Ivana Išgum

When the thickness of the layer is smaller than the electrons mean free path, the morphology affects the conductivity directly based on the layer thickness. This issue provides basis in order to estimate the thickness of the layer by…

Mesoscale and Nanoscale Physics · Physics 2015-06-16 M. Jannesar , G. R. Jafari , S. Vasheghani Farahani , S. Moradi

Regular blood pressure (BP) monitoring in clinical and ambulatory settings plays a crucial role in the prevention, diagnosis, treatment, and management of cardiovascular diseases. Recently, the widespread adoption of ambulatory BP…

Medical Physics · Physics 2023-12-19 Seyedeh Somayyeh Mousavi , Matthew A. Reyna , Gari D. Clifford , Reza Sameni

Echocardiography plays an important part in diagnostic aid in cardiac diseases. A critical step in echocardiography-aided diagnosis is to extract the standard planes since they tend to provide promising views to present different structures…

Computer Vision and Pattern Recognition · Computer Science 2016-07-21 Yun Gu , Guang-Zhong Yang , Jie Yang , Kun Sun

Objectives: The main objective of this review article is to evaluate the usability of Computational Fluid Dynamics (CFD) as a supporting clinical tool for respiratory system. Data Source: The English articles referred for this review paper…

Fluid Dynamics · Physics 2023-10-24 Rajneesh Kashyap , R. Thundil Karuppa Raj

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

Open international challenges are becoming the de facto standard for assessing computer vision and image analysis algorithms. In recent years, new methods have extended the reach of pulmonary airway segmentation that is closer to the limit…

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