Measuring Cerebral Activation From fNIRS Signals: An Approach Based on Compressive Sensing and Taylor-Fourier Model [PDF]
, 2016 Functional near-infrared spectroscopy (fNIRS) is a noninvasive and portable neuroimaging technique that uses NIR light to monitor cerebral activity by the so-called haemodynamic responses (HRs).
Brigadoi, Sabrina +4 more
core +1 more source
Energies, 2022 The defects in the welds of energy pipelines have significantly influenced their safe operation. The inefficient and inaccurate detection of the defects may give rise to catastrophic accidents.
Haibin Wang +6 more
doaj +1 more source
Quantifying performance of ultrasonic immersion inspection using phased arrays for curvilinear disc forgings [PDF]
, 2016 Use of full-matrix capture (FMC), combined with the total focusing method (TFM), has been shown to provide improvements to flaw sensitivity within components of irregular geometry.
Brown, Roy H. +4 more
core +3 more sources
Investigation of synthetic aperture methods in ultrasound surface imaging using elementary surface types [PDF]
, 2016 Synthetic aperture imaging methods have been employed widely in recent research in non-destructive testing (NDT), but uptake has been more limited in medical ultrasound imaging.
Kerr, W., Pierce, S. G., Rowe, P.
core +1 more source
Plane Wave Imaging for ultrasonic non-destructive testing: Generalization to multimodal imaging [PDF]
, 2016 Pre-printInternational audienceThis paper describes a new ultrasonic array imaging method for Non-Destructive Testing (NDT) which is derived from the medical Plane Wave Imaging (PWI) technique.
Le Jeune, Léonard +3 more
core +4 more sources
Three-Dimensional Quantification of Cellular Traction Forces and Mechanosensing of Thin Substrata by Fourier Traction Force Microscopy [PDF]
, 2013 We introduce a novel three-dimensional (3D) traction force microscopy (TFM) method motivated by the recent discovery that cells adhering on plane surfaces exert both in-plane and out-of-plane traction stresses.
Alonso-Latorre, Baldomero +6 more
core +4 more sources
Sensors, 2019 Ultrasonic arrays have been investigated for inspecting the quality of special materials. Unfortunately, non-destructive testing and evaluation (NDT&E) of internal defects in additive manufacturing (AM) materials are difficult due to the anisotropy ...
Wentao Li, Zhenggan Zhou, Yang Li
doaj +1 more source
Phased array probe for the inspection of large steel forgings
Cogent Engineering, 2021 Reliable inspection of large steel forgings is a significant problem across multiple industries. When the dimensions of forgings are at least 1000 mm in each direction, ultrasonic phased array inspection becomes difficult because conventional probes are ...
Frederic Dupont-Marillia +2 more
doaj +1 more source
Anisotropy Corrected FMC/TFM Based Phased Array Ultrasonic Imaging in an Austenitic Buttering Layer
Applied Sciences, 2023 For the narrow gap dissimilar weld between a ferritic steel and a nickel base superalloy, a nickel base alloy buttering layer is deposited on the ferritic steel side as an intermediate layer. The bonding between the buttering layer and the ferritic steel
S. Ponseenivasan +2 more
doaj +1 more source
Capacity analysis of suburban rail networks [PDF]
, 2016 As is well known, capacity evaluation and the identification of bottlenecks on rail networks are complex issues depending upon several technical elements.
Ibáñez, J. N. +4 more
core +1 more source