Microtexture region segmentation using matching component analysis applied to eddy current testing data

L Homa, N Lorenzo, M Cherry, J Wertz - Journal of Nondestructive …, 2023 - Springer
Microtexture regions (MTR) are collections of grains with similar crystallographic orientation;
their presence in aerospace components can significantly impact component life. Thus, a …

A participatory model of the paradox of primary care

L Homa, J Rose, PS Hovmand… - The Annals of Family …, 2015 - Annals Family Med
PURPOSE The paradox of primary care is the observation that primary care is associated
with apparently low levels of evidence-based care for individual diseases, but systems based …

Estimation of Realistic Microtexture Region Orientation Distribution Functions Using Eddy Current Data

L Homa, M Cherry, J Wertz - JOM, 2022 - Springer
Microtexture regions (MTRs) within titanium alloys are collections of grains with similar
crystallographic orientation. The presence of MTRs can be detrimental to the life of an engine …

Enhanced damage imaging in three-dimensional composite structures via electrical impedance tomography with mixed and level set regularization

L Homa, M Sannamani, AJ Thomas, TN Tallman… - NDT & E …, 2023 - Elsevier
Electrical impedance tomography (EIT) is a promising tool for nondestructive evaluation (NDE)
of materials that exhibit stimulus-responsive electrical conductivity. To date, materials …

Estimation of microtexture region orientation distribution functions using eddy current data

L Homa, M Cherry, J Wertz - Inverse Problems, 2021 - iopscience.iop.org
Microtexture regions (MTRs) within titanium alloys are collections of grains with similar
crystallographic orientation. The presence of MTRs can be detrimental to the life of an engine …

[HTML][HTML] Health impact and cost-effectiveness of a domestically-produced rotavirus vaccine in India: a model based analysis

J Rose, L Homa, SB Meropol, SM Debanne… - PLoS …, 2017 - journals.plos.org
Background Currently, Indian officials are incorporating a domestically manufactured rotavirus
vaccine (based on the 116E rotavirus strain) into the country’s universal immunization …

Case study of model-based inversion of the angle beam ultrasonic response from composite impact damage

J Wertz, L Homa, J Welter… - Journal of …, 2018 - asmedigitalcollection.asme.org
The US Air Force seeks to improve lifecycle management of composite structures.
Nondestructive characterization of damage is a key input to this framework. One approach to …

A novel method for segmentation of titanium microtexture regions via sensor data fusion

J Wertz, L Homa, M Cherry, S O'Rourke… - Materials …, 2024 - Elsevier
The current nondestructive inspection paradigm of mono-modal testing and signal-over-threshold
call criteria is insufficient for characterization of microtexture regions in titanium alloys, …

Bayesian preconditioned CGLS for source separation in MEG time series

L Homa, D Calvetti, A Hoover, E Somersalo - SIAM Journal on Scientific …, 2013 - SIAM
We consider the computational problem arising in magnetoencephalography (MEG), where
the goal is to estimate the electric activity within the brain noninvasively from extracranial …

Boundary objects for participatory group model building of agent-based models

J Rose, L Homa, P Hovmand, A Kraus… - 2015 48th Hawaii …, 2015 - ieeexplore.ieee.org
Boundary objects in participatory group processes help participants share their understanding
of systems across disciplinary and social boundaries. We report development of a series …