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Employment (2)

GE Global Research: Niskayuna, NY, US

2010-08 to present | Lead Engineer / Senior Engineer
Employment
Source: Self-asserted source
Sangtae Ahn

University of Southern California: Los Angeles, CA, US

2004-11 to 2010-08 | Postdoctoral Research Associate / Senior Research Associate (Electrical Engineering)
Employment
Source: Self-asserted source
Sangtae Ahn

Education and qualifications (4)

University of Michigan: Ann Arbor, MI, US

MS (Electrical Engineering)
Education
Source: Self-asserted source
Sangtae Ahn

University of Michigan: Ann Arbor, MI, US

PhD (Electrical Engineering)
Education
Source: Self-asserted source
Sangtae Ahn

Korea Advanced Institute of Science and Technology: Daejeon, Daejeon, KR

BS (Mechanical Engineering)
Education
Source: Self-asserted source
Sangtae Ahn

Korea Advanced Institute of Science and Technology: Daejeon, Daejeon, KR

MS (Mechanical Engineering)
Education
Source: Self-asserted source
Sangtae Ahn

Works (5)

An Investigation of Stochastic Variance Reduction Algorithms for Relative Difference Penalized 3D PET Image Reconstruction

IEEE Transactions on Medical Imaging
2023-01 | Journal article
DOI: 10.1109/TMI.2022.3203237
Contributors: Robert Twyman; Simon Arridge; Zeljko Kereta; Bangti Jin; Ludovica Brusaferri; Sangtae Ahn; Charles W. Stearns; Brian F. Hutton; Irene A. Burger; Fotis Kotasidis et al.
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Crossref

A Fast Convergent Ordered-Subsets Algorithm With Subiteration-Dependent Preconditioners for PET Image Reconstruction

IEEE Transactions on Medical Imaging
2022-11 | Journal article
DOI: 10.1109/TMI.2022.3181813
Contributors: Jianfeng Guo; C. Ross Schmidtlein; Andrzej Krol; Si Li; Yizun Lin; Sangtae Ahn; Charles Stearns; Yuesheng Xu
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Crossref

Inflammation and tissue remodeling contribute to fibrogenesis in stricturing Crohn’s disease: image processing and analysis study

Journal of Pathology and Translational Medicine
2022-09-15 | Journal article
DOI: 10.4132/jptm.2022.05.18
Contributors: Mustafa Erdem Arslan; Rupinder Brar; Lianna Goetz; Dipti Karamchandani; Michael W. Mikula; Kyle Hodge; Hua Li; Sangtae Ahn; Hwajeong Lee
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Crossref

Attenuation Coefficient Estimation for PET/MRI With Bayesian Deep Learning Pseudo-CT and Maximum-Likelihood Estimation of Activity and Attenuation

IEEE Transactions on Radiation and Plasma Medical Sciences
2022-07 | Journal article
DOI: 10.1109/TRPMS.2021.3118325
Contributors: Andrew P. Leynes; Sangtae Ahn; Kristen A. Wangerin; Sandeep S. Kaushik; Florian Wiesinger; Thomas A. Hope; Peder E. Z. Larson
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Crossref

Benefits of Using a Spatially-Variant Penalty Strength With Anatomical Priors in PET Reconstruction

IEEE Transactions on Medical Imaging
2020-01 | Journal article
DOI: 10.1109/TMI.2019.2913889
Contributors: Yu-Jung Tsai; Georg Schramm; Sangtae Ahn; Alexandre Bousse; Simon Arridge; Johan Nuyts; Brian F. Hutton; Charles W. Stearns; Kris Thielemans
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