Sangtae Ahn

Publication Activity (10 Years)

Years Active: 2002-2024
Publications (10 Years): 18

Top Topics

Image Reconstruction

Emission Tomography

Top Venues

IEEE Trans. Medical Imaging

Comput. Intell. Neurosci.

Medical Imaging: Image Perception, Observer Performance, and Technology Assessment

Publications

Seunghun Lee, Jihoon Lee, Chan Ho Bae, Myung-Seok Choi, Ryong Lee, Sangtae Ahn
Optimizing Prompts Using In-Context Few-Shot Learning for Text-to-Image Generative Models. IEEE Access 12 (2024)
Min-Hu Yun, Hyeonjin Jang, Sangtae Ahn, Hyun-Chul Kim
Object Detection in Surveillance Video using EEG with Domain Adaptation Approach. BCI (2024)
Robert Twyman, Simon R. Arridge, Zeljko Kereta, Bangti Jin, Ludovica Brusaferri, Sangtae Ahn, Charles W. Stearns, Brian F. Hutton, Irene A. Burger, Fotis Kotasidis, Kris Thielemans
An Investigation of Stochastic Variance Reduction Algorithms for Relative Difference Penalized 3D PET Image Reconstruction. IEEE Trans. Medical Imaging 42 (1) (2023)
Heewon Lee, Sangtae Ahn
Improving the performance of object detection by preserving label distribution. CoRR (2023)
Jinhee Park, Sehyeon Jang, Jeonghwan Gwak, Byeong C. Kim, Jang Jae Lee, Kyu Yeong Choi, Kun Ho Lee, Sung Chan Jun, Gil-Jin Jang, Sangtae Ahn
Individualized diagnosis of preclinical Alzheimer's Disease using deep neural networks. Expert Syst. Appl. 210 (2022)
Jianfeng Guo, Charles Ross Schmidtlein, Andrzej Król, Si Li, Yizun Lin, Sangtae Ahn, Charles W. Stearns, Yuesheng Xu
A Fast Convergent Ordered-Subsets Algorithm With Subiteration-Dependent Preconditioners for PET Image Reconstruction. IEEE Trans. Medical Imaging 41 (11) (2022)
Sangtae Ahn, Uri Wollner, Graeme McKinnon, Isabelle Heukensfeldt Jansen, Rafi Brada, Dan Rettmann, Ty A. Cashen, John Huston, J. Kevin DeMarco, Robert Y. Shih, Joshua D. Trzasko, Christopher J. Hardy, Thomas K. F. Foo
Deep learning-based reconstruction of highly accelerated 3D MRI. CoRR (2022)
Arkadiusz Sitek, Sangtae Ahn, Evren Asma, Adam Chandler, Alvin Ihsani, Sven Prevrhal, Arman Rahmim, Babak Saboury, Kris Thielemans
Artificial Intelligence in PET: an Industry Perspective. CoRR (2021)
Itzik Malkiel, Sangtae Ahn, Valentina Taviani, Anne Menini, Lior Wolf, Christopher J. Hardy
Adaptive Gradient Balancing for Undersampled MRI Reconstruction and Image-to-Image Translation. CoRR (2021)
Itzik Malkiel, Sangtae Ahn, Valentina Taviani, Anne Menini, Lior Wolf, Christopher J. Hardy
Adaptive Gradient Balancing for Undersampled MRI Reconstruction and Image-to-Image Translation. ICCP (2021)
Jianfeng Guo, Charles Ross Schmidtlein, Andrzej Król, Si Li, Yizun Lin, Sangtae Ahn, Charles W. Stearns, Yuesheng Xu
A Fast Convergent Ordered-Subsets Algorithm with Subiteration-Dependent Preconditioners for PET Image Reconstruction. CoRR (2021)
Hyun Jae Baek, Hyun Seok Kim, Minkyu Ahn, Hohyun Cho, Sangtae Ahn
Ergonomic Issues in Brain-Computer Interface Technologies: Current Status, Challenges, and Future Direction. Comput. Intell. Neurosci. 2020 (2020)
Fenglei Fan, Sangtae Ahn, Bruno De Man, Kristen A. Wangerin, Scott D. Wollenweber, Craig K. Abbey, Paul E. Kinahan
Deep learning-based model observers that replicate human observers for PET imaging. Medical Imaging: Image Perception, Observer Performance, and Technology Assessment (2020)
Michael Rotman, Rafi Brada, Israel Beniaminy, Sangtae Ahn, Christopher J. Hardy, Lior Wolf
A Novel Approach for Correcting Multiple Discrete Rigid In-Plane Motions Artefacts in MRI Scans. CoRR (2020)
Yu-Jung Tsai, Georg Schramm, Sangtae Ahn, Alexandre Bousse, Simon R. Arridge, Johan Nuyts, Brian F. Hutton, Charles W. Stearns, Kris Thielemans
Benefits of Using a Spatially-Variant Penalty Strength With Anatomical Priors in PET Reconstruction. IEEE Trans. Medical Imaging 39 (1) (2020)
Itzik Malkiel, Sangtae Ahn, Valentina Taviani, Anne Menini, Lior Wolf, Christopher J. Hardy
Conditional WGANs with Adaptive Gradient Balancing for Sparse MRI Reconstruction. CoRR (2019)
Sangtae Ahn, Juliann M. Mellin, Sankaraleengam Alagapan, Morgan L. Alexander, John H. Gilmore, L. Fredrik Jarskog, Flavio Fröhlich
Targeting reduced neural oscillations in patients with schizophrenia by transcranial alternating current stimulation. NeuroImage 186 (2019)
Yu-Jung Tsai, Alexandre Bousse, Matthias J. Ehrhardt, Charles W. Stearns, Sangtae Ahn, Brian F. Hutton, Simon R. Arridge, Kris Thielemans
Fast Quasi-Newton Algorithms for Penalized Reconstruction in Emission Tomography and Further Improvements via Preconditioning. IEEE Trans. Medical Imaging 37 (4) (2018)
Evren Asma, Sangtae Ahn, Hua Qian, Girishankar Gopalakrishnan, Kris Thielemans, Steven G. Ross, Ravindra M. Manjeshwar, Alexander Ganin
Quantitatively accurate image reconstruction for clinical whole-body PET imaging. APSIPA (2012)
Sangtae Ahn, Sanghee Cho, Quanzheng Li, Yanguang Lin, Richard M. Leahy
Optimal Rebinning of Time-of-Flight PET Data. IEEE Trans. Medical Imaging 30 (10) (2011)
Sangtae Ahn, Sungwook Kang, Sung Chan Jun
How Much Features in Brain-Computer Interface Are Discriminative?- Quantitative Measure by Relative Entropy. HCI (23) (2011)
John M. O. Ranola, Sangtae Ahn, Mary E. Sehl, Desmond J. Smith, Kenneth Lange
A Poisson model for random multigraphs. Bioinform. 26 (16) (2010)
Joyita Dutta, Sangtae Ahn, Anand A. Joshi, Richard M. Leahy
Optimal Illumination Patterns for Fluorescence Tomography. ISBI (2009)
Sangtae Ahn, Richard T. Wang, Christopher C. Park, Andy Lin, Richard M. Leahy, Kenneth Lange, Desmond J. Smith
Directed Mammalian Gene Regulatory Networks Using Expression and Comparative Genomic Hybridization Microarray Data from Radiation Hybrids. PLoS Comput. Biol. 5 (6) (2009)
Sangtae Ahn, Richard M. Leahy
Analysis of Resolution and Noise Properties of Nonquadratically Regularized Image Reconstruction Methods for PET. IEEE Trans. Medical Imaging 27 (3) (2008)
Sanghee Cho, Quanzheng Li, Sangtae Ahn, Bing Bai, Richard M. Leahy
Iterative Image Reconstruction Using Inverse Fourier Rebinning for Fully 3-D PET. IEEE Trans. Medical Imaging 26 (5) (2007)
Quanzheng Li, Evren Asma, Sangtae Ahn, Richard M. Leahy
A Fast Fully 4-D Incremental Gradient Reconstruction Algorithm for List Mode PET Data. IEEE Trans. Medical Imaging 26 (1) (2007)
Sangtae Ahn, Abhijit J. Chaudhari, Felix Darvas, Charles A. Bouman, Richard M. Leahy
Fast Image Reconstruction Methods for Fully 3d Multispectral Optical Bioluminescence Tomography. ISBI (2007)
Sangtae Ahn, Jeffrey A. Fessler, Doron Blatt, Alfred O. Hero III
Convergent incremental optimization transfer algorithms: application to tomography. IEEE Trans. Medical Imaging 25 (3) (2006)
Sangtae Ahn, Richard M. Leahy
Spatial resolution properties of nonquadratically regularized image reconstruction for PET. ISBI (2006)
Sangtae Ahn, Jeffrey A. Fessler
Emission image reconstruction for randoms-precorrected PET allowing negative sinogram values. IEEE Trans. Medical Imaging 23 (5) (2004)
Sangtae Ahn, Jeffrey A. Fessler, Thomas E. Nichols, Robert A. Koeppe
Covariance of Kinetic Parameter Estimators Based on Time Activity Curve Reconstructions: Preliminary Study on 1D Dynamic Imaging. ISBI (2004)
Sangtae Ahn, Jeffrey A. Fessler
A Globally Convergent Image Reconstruction for Emission Tomography Using Relaxed Ordered Subsets Algorithms. IEEE Trans. Medical Imaging 22 (5) (2003)
Jongkyu Park, Ilseok Han, Jinhyuck Kwon, June Hwang, Hagbae Kim, Sangtae Ahn, Whie Chang
Development of a Residential Gateway and a Service Server for Home Automation. AISA (2002)