Air-coupled ultrasonic diffuse-wave techniques to evaluate distributed cracking damage in concrete

E Ahn, M Shin, JS Popovics - Ultrasonics, 2022 - Elsevier
In this study, we investigated the suitability of applying air-coupled ultrasonic diffuse-wave
techniques to concrete structures for the evaluation of arbitrarily distributed micro-cracking …

System and method for mri imaging using polarized light

U Rapoport, A Batt - US Patent App. 13/943,389, 2014 - Google Patents
A magnetic resonance imaging (MRI) imaging system, including: an MRI device adapted to
image at least a portion of an animal; a photon source; an imaging photon detector that …

Contrast‐enhanced 4D radial coronary artery imaging at 3.0 T within a single breath‐hold

X Bi, J Park, AC Larson, Q Zhang… - … in Medicine: An …, 2005 - Wiley Online Library
Coronary magnetic resonance angiography data are usually acquired during mid‐diastole
of each heartbeat to minimize cardiac motion related artifacts. The proper trigger delay time …

Free‐breathing cine MRI

AO Leung, I Paterson… - Magnetic resonance in …, 2008 - Wiley Online Library
Standard MRI cine exams for the study of cardiac function are segmented over several
heartbeats and thus require a breath‐hold to minimize breathing motion artifacts, which is a …

Inspection of Concrete Using Air-Coupled Ultrasonic Pulse Velocity.

GP Cetrangolo, JS Popovics - ACI Materials Journal, 2010 - search.ebscohost.com
The ultrasonic pulse velocity (UPV) method has been used for decades to characterize
concrete structures. In this method, ultrasonic transducers are attached to the concrete …

The use of parallel imaging for MRI assessment of knees in children and adolescents

AS Doria, GA Chaudry, C Nasui, T Rayner, C Wang… - Pediatric …, 2010 - Springer
Background Parallel imaging provides faster scanning at the cost of reduced signal-to-noise
ratio (SNR) and increased artifacts. Objective To compare the diagnostic performance of two …

Achieving cellular resolution for in vivo retinal images of transgenic GFAP–GFP mice via image processing

S Kumar, G Ho, KM Woo, L Zhuo - Optics Express, 2008 - opg.optica.org
In vivo retinal images of transgenic mice, expressing GFP under the control of the GFAP
(glial fibrillary acidic protein) promoter, have very poor signal-to-noise ratio (SNR) and …

Continuous Sampling in Magnetic Resonance Imaging

CA Bookwalter - 2008 - rave.ohiolink.edu
MRI pulse sequences are used to acquire spatial-frequency data (k-space) by using linear
magnetic field gradients to encode a k-space trajectory. Common k-space trajectories …

Improvement of coronary magnetic resonance angiography (MRA) at 3.0 Tesla

X Bi - 2006 - search.proquest.com
Coronary artery disease (CAD) is the single largest killer in the United States. For decades,
selective coronary angiography has been the reference standard for defining the presence …

[CITAT][C] Detección de errores eventuales en señales Cuasi-periódicas: Ultrasonido Doppler

JA Isla García - 2011 - Instituto Superior Politécnico: José …