Showing results 1 to 9 of 9
Accelerating Ordered Subsets Image Reconstruction for X-ray CT Using Spatially Nonuniform Optimization Transfer Kim, Donghwan; Pal, Debashish; Thibault, Jean-Baptiste; Fessler, Jeffrey A., IEEE TRANSACTIONS ON MEDICAL IMAGING, v.32, no.11, pp.1965 - 1978, 2013-11 |
Adaptive Restart of the Optimized Gradient Method for Convex Optimization Kim, Donghwan; Fessler, Jeffrey A., JOURNAL OF OPTIMIZATION THEORY AND APPLICATIONS, v.178, no.1, pp.240 - 263, 2018-07 |
ANOTHER LOOK AT THE FAST ITERATIVE SHRINKAGE/THRESHOLDING ALGORITHM (FISTA) Kim, Donghwan; Fessler, Jeffrey A., SIAM JOURNAL ON OPTIMIZATION, v.28, no.1, pp.223 - 250, 2018 |
Combining Ordered Subsets and Momentum for Accelerated X-Ray CT Image Reconstruction Kim, Donghwan; Ramani, Sathish; Fessler, Jeffrey A., IEEE TRANSACTIONS ON MEDICAL IMAGING, v.34, no.1, pp.167 - 178, 2015-01 |
GENERALIZING THE OPTIMIZED GRADIENT METHOD FOR SMOOTH CONVEX MINIMIZATION Kim, Donghwan; Fessler, Jeffrey A., SIAM JOURNAL ON OPTIMIZATION, v.28, no.2, pp.1920 - 1950, 2018 |
On the Convergence Analysis of the Optimized Gradient Method Kim, Donghwan; Fessler, Jeffrey A., JOURNAL OF OPTIMIZATION THEORY AND APPLICATIONS, v.172, no.1, pp.187 - 205, 2017-01 |
Optimized first-order methods for smooth convex minimization Kim, Donghwan; Fessler, Jeffrey A., MATHEMATICAL PROGRAMMING, v.159, no.1-2, pp.81 - 107, 2016-09 |
Optimizing the Efficiency of First-Order Methods for Decreasing the Gradient of Smooth Convex Functions Kim, Donghwan; Fessler, Jeffrey A., JOURNAL OF OPTIMIZATION THEORY AND APPLICATIONS, v.188, no.1, pp.192 - 219, 2021-01 |
Time of flight PET reconstruction using nonuniform update for regional recovery uniformity Kim, Kyungsang; Kim, Donghwan; Yang, Jaewon; El Fakhri, Georges; Seo, Youngho; Fessler, Jeffrey A.; Li, Quanzheng, MEDICAL PHYSICS, v.46, no.2, pp.649 - 664, 2019-02 |
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