Sangtae Ahn

According to our database, Sangtae Ahn authored at least 36 papers between 2002 and 2025.

Collaborative distances:

• Dijkstra number of four.
• Erdős number of four.

2025

Adaptive event-triggered stochastic estimator-based sampled-data fuzzy control for fractional-order permanent magnet synchronous generator-based wind energy systems.

Govindasamy Narayanan, Sangtae Ahn, Yong Wang, Jae Hoon Jeong, Young Hoon Joo

Expert Syst. Appl., 2025

Deep scene understanding with extended text description for human object interaction detection.

Hye-Seong Hong, Jeong-Cheol Lee, Abhishek Kumar, Sangtae Ahn, Dong-Gyu Lee

Expert Syst. Appl., 2025

Fractional impulsive controller design of fractional-order fuzzy systems with average dwell-time strategy and its application to wind energy systems.

Govindasamy Narayanan, M. Syed Ali, Sangtae Ahn, Young Hoon Joo, Rajagopal Karthikeyan, Grienggrai Rajchakit

Commun. Nonlinear Sci. Numer. Simul., 2025

2024

Optimizing Prompts Using In-Context Few-Shot Learning for Text-to-Image Generative Models.

Seunghun Lee, Jihoon Lee, Chan Ho Bae, Myung-Seok Choi, Ryong Lee, Sangtae Ahn

IEEE Access, 2024

DAFT-GAN: Dual Affine Transformation Generative Adversarial Network for Text-Guided Image Inpainting.

Jihoon Lee, Yunhong Min, Hwidong Kim, Sangtae Ahn

Proceedings of the 32nd ACM International Conference on Multimedia, MM 2024, Melbourne, VIC, Australia, 28 October 2024, 2024

Object Detection in Surveillance Video using EEG with Domain Adaptation Approach.

Min-Hu Yun, Hyeonjin Jang, Sangtae Ahn, Hyun-Chul Kim

Proceedings of the 12th International Winter Conference on Brain-Computer Interface, 2024

2023

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

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

IEEE Trans. Medical Imaging, 2023

Improving the performance of object detection by preserving label distribution.

Heewon Lee, Sangtae Ahn

CoRR, 2023

2022

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

Jianfeng Guo, Charles Ross Schmidtlein, Andrzej Król, Si Li, Yizun Lin, Sangtae Ahn, Charles W. Stearns, Yuesheng Xu

IEEE Trans. Medical Imaging, 2022

Individualized diagnosis of preclinical Alzheimer's Disease using deep neural networks.

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

Expert Syst. Appl., 2022

Deep learning-based reconstruction of highly accelerated 3D MRI.

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

CoRR, 2022

2021

Artificial Intelligence in PET: an Industry Perspective.

Arkadiusz Sitek, Sangtae Ahn, Evren Asma, Adam Chandler, Alvin Ihsani, Sven Prevrhal, Arman Rahmim, Babak Saboury, Kris Thielemans

CoRR, 2021

Adaptive Gradient Balancing for Undersampled MRI Reconstruction and Image-to-Image Translation.

Itzik Malkiel, Sangtae Ahn, Valentina Taviani, Anne Menini, Lior Wolf, Christopher J. Hardy

Proceedings of the IEEE International Conference on Computational Photography, 2021

2020

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

Yu-Jung Tsai, Georg Schramm, Sangtae Ahn, Alexandre Bousse, Simon R. Arridge, Johan Nuyts, Brian F. Hutton, Charles W. Stearns, Kris Thielemans

IEEE Trans. Medical Imaging, 2020

A Novel Approach for Correcting Multiple Discrete Rigid In-Plane Motions Artefacts in MRI Scans.

Michael Rotman, Rafi Brada, Israel Beniaminy, Sangtae Ahn, Christopher J. Hardy, Lior Wolf

CoRR, 2020

Ergonomic Issues in Brain-Computer Interface Technologies: Current Status, Challenges, and Future Direction.

Hyun Jae Baek, Hyun Seok Kim, Minkyu Ahn, Hohyun Cho, Sangtae Ahn

Comput. Intell. Neurosci., 2020

Deep learning-based model observers that replicate human observers for PET imaging.

Fenglei Fan, Sangtae Ahn, Bruno De Man, Kristen A. Wangerin, Scott D. Wollenweber, Craig K. Abbey, Paul E. Kinahan

Proceedings of the Medical Imaging 2020: Image Perception, 2020

2019

Targeting reduced neural oscillations in patients with schizophrenia by transcranial alternating current stimulation.

Sangtae Ahn, Juliann M. Mellin, Sankaraleengam Alagapan, Morgan L. Alexander, John H. Gilmore, L. Fredrik Jarskog, Flavio Fröhlich

NeuroImage, 2019

Conditional WGANs with Adaptive Gradient Balancing for Sparse MRI Reconstruction.

Itzik Malkiel, Sangtae Ahn, Valentina Taviani, Anne Menini, Lior Wolf, Christopher J. Hardy

CoRR, 2019

2018

Fast Quasi-Newton Algorithms for Penalized Reconstruction in Emission Tomography and Further Improvements via Preconditioning.

Yu-Jung Tsai, Alexandre Bousse, Matthias J. Ehrhardt, Charles W. Stearns, Sangtae Ahn, Brian F. Hutton, Simon R. Arridge, Kris Thielemans

IEEE Trans. Medical Imaging, 2018

2012

Quantitatively accurate image reconstruction for clinical whole-body PET imaging.

Evren Asma, Sangtae Ahn, Hua Qian, Girishankar Gopalakrishnan, Kris Thielemans, Steven G. Ross, Ravindra M. Manjeshwar, Alexander Ganin

Proceedings of the Asia-Pacific Signal and Information Processing Association Annual Summit and Conference, 2012

2011

Optimal Rebinning of Time-of-Flight PET Data.

Sangtae Ahn, Sanghee Cho, Quanzheng Li, Yanguang Lin, Richard M. Leahy

IEEE Trans. Medical Imaging, 2011

How Much Features in Brain-Computer Interface Are Discriminative?- Quantitative Measure by Relative Entropy.

Sangtae Ahn, Sungwook Kang, Sung Chan Jun

Proceedings of the HCI International 2011 - Posters' Extended Abstracts, 2011

2010

A Poisson model for random multigraphs.

John M. O. Ranola, Sangtae Ahn, Mary E. Sehl, Desmond J. Smith, Kenneth Lange

Bioinform., 2010

2009

Directed Mammalian Gene Regulatory Networks Using Expression and Comparative Genomic Hybridization Microarray Data from Radiation Hybrids.

Sangtae Ahn, Richard T. Wang, Christopher C. Park, Andy Lin, Richard M. Leahy, Kenneth Lange, Desmond J. Smith

PLoS Comput. Biol., 2009

Optimal Illumination Patterns for Fluorescence Tomography.

Joyita Dutta, Sangtae Ahn, Anand A. Joshi, Richard M. Leahy

Proceedings of the 2009 IEEE International Symposium on Biomedical Imaging: From Nano to Macro, Boston, MA, USA, June 28, 2009

2008

Analysis of Resolution and Noise Properties of Nonquadratically Regularized Image Reconstruction Methods for PET.

Sangtae Ahn, Richard M. Leahy

IEEE Trans. Medical Imaging, 2008

2007

A Fast Fully 4-D Incremental Gradient Reconstruction Algorithm for List Mode PET Data.

Quanzheng Li, Evren Asma, Sangtae Ahn, Richard M. Leahy

IEEE Trans. Medical Imaging, 2007

Iterative Image Reconstruction Using Inverse Fourier Rebinning for Fully 3-D PET.

Sanghee Cho, Quanzheng Li, Sangtae Ahn, Bing Bai, Richard M. Leahy

IEEE Trans. Medical Imaging, 2007

Fast Image Reconstruction Methods for Fully 3d Multispectral Optical Bioluminescence Tomography.

Sangtae Ahn, Abhijit J. Chaudhari, Felix Darvas, Charles A. Bouman, Richard M. Leahy

Proceedings of the 2007 IEEE International Symposium on Biomedical Imaging: From Nano to Macro, 2007

2006

Convergent incremental optimization transfer algorithms: application to tomography.

Sangtae Ahn, Jeffrey A. Fessler, Doron Blatt, Alfred O. Hero III

IEEE Trans. Medical Imaging, 2006

Spatial resolution properties of nonquadratically regularized image reconstruction for PET.

Sangtae Ahn, Richard M. Leahy

Proceedings of the 2006 IEEE International Symposium on Biomedical Imaging: From Nano to Macro, 2006

2004

Emission image reconstruction for randoms-precorrected PET allowing negative sinogram values.

Sangtae Ahn, Jeffrey A. Fessler

IEEE Trans. Medical Imaging, 2004

Covariance of Kinetic Parameter Estimators Based on Time Activity Curve Reconstructions: Preliminary Study on 1D Dynamic Imaging.

Sangtae Ahn, Jeffrey A. Fessler, Thomas E. Nichols, Robert A. Koeppe

Proceedings of the 2004 IEEE International Symposium on Biomedical Imaging: From Nano to Macro, 2004

2003

A Globally Convergent Image Reconstruction for Emission Tomography Using Relaxed Ordered Subsets Algorithms.

Sangtae Ahn, Jeffrey A. Fessler

IEEE Trans. Medical Imaging, 2003

2002

Development of a Residential Gateway and a Service Server for Home Automation.

Jongkyu Park, Ilseok Han, Jinhyuck Kwon, June Hwang, Hagbae Kim, Sangtae Ahn, Whie Chang

Proceedings of the Advanced Internet Services and Applications, 2002