FEA-Based Ultrasonic Focusing Method in Anisotropic Media for Phased Array Systems
Applied Sciences, 2021 Traditional ultrasonic imaging methods have a low accuracy in the localization of defects in austenitic welds because the anisotropy and inhomogeneity of the welds cause distortion of the ultrasonic wave propagation paths in anisotropic media.
Seongin Moon +7 more
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The Leap from Digitalization to Intelligentization of Medical Digital Ultrasonic Imaging Workstations [PDF]
Advanced Ultrasound in Diagnosis and Therapy, 2023 This paper begins with the medical digital ultrasonic imaging workstations' development history and stages of PACS (Picture Archiving and Communication Systems).
Yande Zhang, DBA, Yanjun Cheng, MBME, Yingxin Li, MCS, Shengli Li, MM
doaj
Transthoracic Ultrasound Evaluation of Pulmonary Changes in COVID-19 Patients During Treatment Using Modified Protocols [PDF]
Advanced Ultrasound in Diagnosis and Therapy, 2020 Objective: To investigate the feasibility of evaluating imaging changes pre-and post-treatment in Corona Virus Disease 2019 (COVID-19) patients by transthoracic pulmonary ultrasound.Methods: A total of 8 patients diagnosed with severe or critical COVID ...
Guorong Lyu, MD, Ying Zhang, MD, Guoliang Tan, MD
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Non-destructive evaluation of concrete using a capacitive imaging technique : preliminary modelling and experiments [PDF]
, 2010 This paper describes the application of capacitive imaging to the inspection of concrete. A two-dimensional finite-element method was employed to model the electric field distribution from capacitive imaging probe, and how it interacts with concrete ...
Purnell, Phil +7 more
core +1 more source
An annular array with fiber composite microstructure for far field NDT imaging applications
, 2009 This paper describes the design and fabrication of a reduced element count annular array for far field NDT imaging applications, built with a random fiber piezoelectric composite microstructure.
P. D. Wilcox +11 more
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Deep subwavelength ultrasonic imaging using optimized holey structured metamaterials
Scientific Reports, 2017 This paper reports the experimental demonstration of deep subwavelength ultrasonic imaging of defects in metallic samples with a feature size of λ/25 using holey-structured metamaterial lenses.
Kiran Kumar Amireddy +2 more
semanticscholar +1 more source
Ultrasound nondestructive evaluation (NDE) imaging with transducer arrays and adaptive processing
, 2011 This paper addresses the challenging problem of ultrasonic non-destructive evaluation (NDE) imaging with adaptive transducer arrays. In NDE applications, most materials like concrete, stainless steel and carbon-reinforced composites used extensively in ...
Hayward, G. +3 more
core +1 more source
Ultrasonic resonance of defects for nonlinear acoustic imaging and NDT [PDF]
, 2014 The effect of local defect resonance (LDR) on the nonlinear ultrasonic response of defects is studied and applied for enhancement of sensitivity of nonlinear ultrasonic ...
Igor Solodov
core +1 more source
An efficient speckle tracking algorithm for ultrasonic imaging
, 2002 An efficient speckle tracking algorithm is proposed for motion estimation in ultrasonic imaging. Speckle tracking involves a matching process and a searching process.
Lee, WN +3 more
core +2 more sources
International Journal of Distributed Sensor Networks, 2021 Ultrasonic computerized tomography is a promising technique for damage detection by enabling ultrasonic waves via multiple measurement paths leading to accurate localization of structural damage. Unlike traditional ultrasonic computerized tomography that
Binbin Li +5 more
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