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Sangtae Ahn
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2020 – today
- 2025
- [j20]Govindasamy Narayanan, M. Syed Ali, Sangtae Ahn, Young Hoon Joo, Rajagopal Karthikeyan, Grienggrai Rajchakit:
Fractional impulsive controller design of fractional-order fuzzy systems with average dwell-time strategy and its application to wind energy systems. Commun. Nonlinear Sci. Numer. Simul. 140: 108394 (2025) - [j19]Hye-Seong Hong, Jeong-Cheol Lee, Abhishek Kumar, Sangtae Ahn, Dong-Gyu Lee:
Deep scene understanding with extended text description for human object interaction detection. Expert Syst. Appl. 259: 125297 (2025) - [j18]Govindasamy Narayanan, Sangtae Ahn, Yong Wang, Jae Hoon Jeong, Young Hoon Joo:
Adaptive event-triggered stochastic estimator-based sampled-data fuzzy control for fractional-order permanent magnet synchronous generator-based wind energy systems. Expert Syst. Appl. 261: 125536 (2025) - 2024
- [j17]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: 2660-2673 (2024) - [c10]Min-Hu Yun, Hyeonjin Jang, Sangtae Ahn, Hyun-Chul Kim:
Object Detection in Surveillance Video using EEG with Domain Adaptation Approach. BCI 2024: 1-4 - [i8]Jihoon Lee, Yunhong Min, Hwidong Kim, Sangtae Ahn:
DAFT-GAN: Dual Affine Transformation Generative Adversarial Network for Text-Guided Image Inpainting. CoRR abs/2408.04962 (2024) - 2023
- [j16]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): 29-41 (2023) - [i7]Heewon Lee, Sangtae Ahn:
Improving the performance of object detection by preserving label distribution. CoRR abs/2308.14466 (2023) - 2022
- [j15]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: 118511 (2022) - [j14]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): 3289-3300 (2022) - [i6]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 abs/2203.04674 (2022) - 2021
- [c9]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: 1-12 - [i5]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 abs/2104.01889 (2021) - [i4]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 abs/2107.06747 (2021) - [i3]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 abs/2111.07886 (2021) - 2020
- [j13]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: 4876397:1-4876397:2 (2020) - [j12]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): 11-22 (2020) - [c8]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: 113160E - [i2]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 abs/2006.13804 (2020)
2010 – 2019
- 2019
- [j11]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: 126-136 (2019) - [i1]Itzik Malkiel, Sangtae Ahn, Valentina Taviani, Anne Menini, Lior Wolf, Christopher J. Hardy:
Conditional WGANs with Adaptive Gradient Balancing for Sparse MRI Reconstruction. CoRR abs/1905.00985 (2019) - 2018
- [j10]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): 1000-1010 (2018) - 2012
- [c7]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: 1-9 - 2011
- [j9]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): 1808-1818 (2011) - [c6]Sangtae Ahn, Sungwook Kang, Sung Chan Jun:
How Much Features in Brain-Computer Interface Are Discriminative?- Quantitative Measure by Relative Entropy. HCI (23) 2011: 274-278 - 2010
- [j8]John M. O. Ranola, Sangtae Ahn, Mary E. Sehl, Desmond J. Smith, Kenneth Lange:
A Poisson model for random multigraphs. Bioinform. 26(16): 2004-2011 (2010)
2000 – 2009
- 2009
- [j7]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) - [c5]Joyita Dutta, Sangtae Ahn, Anand A. Joshi, Richard M. Leahy:
Optimal Illumination Patterns for Fluorescence Tomography. ISBI 2009: 1275-1278 - 2008
- [j6]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): 413-424 (2008) - 2007
- [j5]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): 58-67 (2007) - [j4]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): 745-756 (2007) - [c4]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: 229-232 - 2006
- [j3]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): 283-296 (2006) - [c3]Sangtae Ahn, Richard M. Leahy:
Spatial resolution properties of nonquadratically regularized image reconstruction for PET. ISBI 2006: 287-290 - 2004
- [j2]Sangtae Ahn, Jeffrey A. Fessler:
Emission image reconstruction for randoms-precorrected PET allowing negative sinogram values. IEEE Trans. Medical Imaging 23(5): 591-601 (2004) - [c2]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: 368-371 - 2003
- [j1]Sangtae Ahn, Jeffrey A. Fessler:
A Globally Convergent Image Reconstruction for Emission Tomography Using Relaxed Ordered Subsets Algorithms. IEEE Trans. Medical Imaging 22(5): 623-626 (2003) - 2002
- [c1]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: 137-150
Coauthor Index
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