Ultrasound computed tomography for material inspection: Principles, design and applications

MTM Khairi, S Ibrahim, MAM Yunus, M Faramarzi… - Measurement, 2019 - Elsevier
The non-destructive testing based on an ultrasound computed tomography (UCT) technique
has attracted the attention of the industrial and medical area due to its excellent capabilities …

A triple-modality ultrasound computed tomography based on full-waveform data for industrial processes

P Koulountzios, T Rymarczyk… - IEEE Sensors …, 2021 - ieeexplore.ieee.org
Ultrasound computed tomography (USCT) is gaining interests in many application areas in
industrial processes. The recent scientific research focuses on the possible uses of USCT for …

Extended biomass allometric equations for large mangrove trees from terrestrial LiDAR data

A Olagoke, C Proisy, JB Féret, E Blanchard, F Fromard… - Trees, 2016 - Springer
Key message We estimated aboveground biomass of large mangrove trees from terrestrial
Lidar measurements. This makes the first attempt to extend mangrove biomass equations …

Accuracy on the time-of-flight estimation for ultrasonic waves applied to non-destructive evaluation of standing trees: a comparative experimental study

L Espinosa, J Bacca, F Prieto… - Acta Acustica united …, 2018 - ingentaconnect.com
Time-of-flight measurement is a critical step to perform ultrasonic non-destructive testing of
standing trees, with direct influence on the precision of defect detection. Aiming to increase …

Effect of wood anisotropy in ultrasonic wave propagation: A ray-tracing approach

L Espinosa, F Prieto, L Brancheriau, P Lasaygues - Ultrasonics, 2019 - Elsevier
Ultrasonic nondestructive imaging methods allow analyzing the inner structures of trees,
without altering their condition. In this study, we are interested in evaluating the influence of …

[PDF][PDF] Stress wave tomography of wood internal defects using ellipse-based spatial interpolation and velocity compensation

X Du, S Li, G Li, H Feng, S Chen - BioResources, 2015 - bioresources.cnr.ncsu.edu
In this paper, a novel stress wave tomography method, using spatial interpolation and
velocity compensation, is proposed for the detection of internal defects in wood, based on …

[PDF][PDF] Tomographic image reconstruction using an interpolation method for tree decay detection

H Feng, G Li, S Fu, X Wang - BioResources, 2014 - bioresources.cnr.ncsu.edu
Stress wave velocity has been traditionally regarded as an indicator of the extent of damage
inside wood. This paper aimed to detect internal decay of urban trees through reconstructing …

Ultrasound computed tomography on standing trees: accounting for wood anisotropy permits a more accurate detection of defects

L Espinosa, L Brancheriau, Y Cortes, F Prieto… - Annals of Forest …, 2020 - Springer
Key message Considering anisotropy in image reconstruction algorithm for ultrasound
computed tomography of trees resulted in a more accurate detection of defects compared to …

A review on ultrasonic process tomography system

S Ibrahim, MAM Yunus, MTM Khairi… - Jurnal …, 2014 - journals.utm.my
The advantage of using a tomography system is that it provides visualization of component
distributions inside a pipe or a process vessel. Tomography is widely used in the medical …

A review: Tomography systems in medical and industrial processes

NAA Rahman, LE Hong, RHA Rahim, HA Rahim… - Jurnal …, 2015 - journals.utm.my
Conventional methods previously guided reading meter to monitor the process and steps
must be taken to interpret the readings and what need to adjustment be implemented. With …