A fast and massively-parallel inverse solver for multiple-scattering tomographic image reconstruction

M Hidayetoglu, C Pearson, I El Hajj… - 2018 IEEE …, 2018 - ieeexplore.ieee.org
We present a massively-parallel solver for large Helmholtz-type inverse scattering problems.
The solver employs the distorted Born iterative method for capturing the multiples-cattering …

Interpolated hybrid DBIM approach for enhanced imaging in ultrasound tomography

T Quang-Huy, KT Nguyen, PT Doan… - Research on Biomedical …, 2021 - Springer
Purpose In ultrasound tomography (UT), Born iterative method (BIM) and distorted-Born
iterative method (DBIM) based on Born approximation are considered efficacious. DBIM …

Thoughts on massively-parallel heterogeneous computing for solving large problems

W Hwu, M Hidayetoglu, WC Chew… - 2017 Computing and …, 2017 - ieeexplore.ieee.org
In this paper, we present our view of massively-parallel heterogeneous computing for
solving large scientific problems. We start by observing that computing has been the primary …

New trends in computational electromagnetics

WC Chew, QI Dai, QS Liu, T **a, TE Roth… - New Trends in …, 2020 - experts.illinois.edu
Electromagnetics is based on the study of Maxwell's equations, which are the result of the
seminal work of James Clerk Maxwell completed in 1865, after his presentation to the British …

Hierarchical sparse computations and communications for solving inverse problems on supercomputers with multi-GPU nodes

M Hidayetoglu - 2022 - ideals.illinois.edu
Solving large-scale inverse problems often incurs immense computational cost, mainly
because it has high computational complexity and/or involves sparse computations. This …

Scalable parallel DBIM solutions of inverse-scattering problems

M Hidayetoglu, C Pearson, L Gürel… - 2017 Computing and …, 2017 - ieeexplore.ieee.org
We report scalable solutions of inverse-scattering problems with the distorted Born iterative
method (DBIM) on large number of computing nodes. Distributing forward solutions does not …

Scattering approaches

M Liu - Advances in Optical Surface Texture Metrology, 2020 - iopscience.iop.org
Applications for mechanical engineering and semiconductor manufacturing, such as
scatterometers using extreme ultraviolet lithography technology, defect detection for optical …

[PDF][PDF] Scaling analysis of a hierarchical parallelization of large inverse multiple-scattering solutions

M Hidayetoglu, C Pearson, I El Hajj… - … Conference for High …, 2017 - ielhajj.github.io
We propose a hierarchical parallelization strategy to improve the scalability of inverse
multiple-scattering solutions. The inverse solver parallelizes the independent forward …

Automated Scaling Region of Interest (AS-ROI) in inverse scattering method for tomographic image reconstruction

J Nawawi, S Sahrani, KAH ** - 2017 Progress in …, 2017 - ieeexplore.ieee.org
Inverse problems arise from a situation where there is a need to perceive an unknown object
with partially known electromagnetic fields. For instance, it can be applied to find tumour in …