Chang-Ock Lee

Publication Activity (10 Years)

Years Active: 1998-2024
Publications (10 Years): 21

Top Topics

Decomposition Methods

Volume Reconstruction

Total Variation

Top Venues

J. Sci. Comput.

SIAM J. Imaging Sci.

SIAM J. Sci. Comput.

Publications

Youngkyu Lee, Jongho Park, Chang-Ock Lee
Parareal Neural Networks Emulating a Parallel-in-Time Algorithm. IEEE Trans. Neural Networks Learn. Syst. 35 (5) (2024)
Chang-Ock Lee, Youngkyu Lee, Byungeun Ryoo
A Nonoverlapping Domain Decomposition Method for Extreme Learning Machines: Elliptic Problems. CoRR (2024)
Seongeun Kim, Chang-Ock Lee
Individual tooth segmentation in human teeth images using pseudo edge-region obtained by deep neural networks. Signal Process. Image Commun. 120 (2024)
Youngkyu Lee, Jongho Park, Chang-Ock Lee
Balanced Group Convolution: An Improved Group Convolution Based on Approximability Estimates. CoRR (2023)
Youngkyu Lee, Jongho Park, Chang-Ock Lee
Two-level group convolution. Neural Networks 154 (2022)
Youngkyu Lee, Jongho Park, Chang-Ock Lee
Two-level Group Convolution. CoRR (2021)
Chang-Ock Lee, Youngkyu Lee, Jongho Park
Parareal Neural Networks Emulating a Parallel-in-time Algorithm. CoRR (2021)
Doyeob Yeo, Chang-Ock Lee
Variational shape prior segmentation with an initial curve based on image registration technique. Image Vis. Comput. 94 (2020)
Abdullo Rakhmonovich Hayotov, Soomin Jeon, Chang-Ock Lee, Kholmat Mahkambaevich Shadimetov
Optimal quadrature formulas for CT image reconstruction in the Sobolev space of non-periodic functions. CoRR (2020)
Chang-Ock Lee, Eun-Hee Park, Jongho Park
Correction to: A dual iterative substructuring method with a small penalty parameter. CoRR (2020)
Abdullo Rakhmonovich Hayotov, Soomin Jeon, Chang-Ock Lee
On an optimal quadrature formula for approximation of Fourier integrals in the space L2(1). J. Comput. Appl. Math. 372 (2020)
Junwoo Kim, Chang-Ock Lee
Three-Dimensional Volume Reconstruction Using Two-Dimensional Parallel Slices. SIAM J. Imaging Sci. 12 (1) (2019)
Abdullo Rakhmonovich Hayotov, Soomin Jeon, Chang-Ock Lee
. CoRR (2019)
Chang-Ock Lee, Jongho Park
A Finite Element Nonoverlapping Domain Decomposition Method with Lagrange Multipliers for the Dual Total Variation Minimizations. J. Sci. Comput. 81 (3) (2019)
Chang-Ock Lee, Jongho Park
Fast Nonoverlapping Block Jacobi Method for the Dual Rudin-Osher-Fatemi Model. CoRR (2019)
Chang-Ock Lee, Eun-Hee Park, Jongho Park
A Finite Element Approach for the Dual Rudin-Osher-Fatemi Model and Its Nonoverlapping Domain Decomposition Methods. SIAM J. Sci. Comput. 41 (2) (2019)
Chang-Ock Lee, Changmin Nam, Jongho Park
Domain Decomposition Methods Using Dual Conversion for the Total Variation Minimization with $$L^1$$ L 1 Fidelity Term. J. Sci. Comput. 78 (2) (2019)
Chang-Ock Lee, Jongho Park
Fast Nonoverlapping Block Jacobi Method for the Dual Rudin-Osher-Fatemi Model. SIAM J. Imaging Sci. 12 (4) (2019)
Chang-Ock Lee, Changmin Nam
Primal Domain Decomposition Methods for the Total Variation Minimization, Based on Dual Decomposition. SIAM J. Sci. Comput. 39 (2) (2017)
Chang-Ock Lee, Jong Ho Lee, Hyenkyun Woo, Sangwoon Yun
Block Decomposition Methods for Total Variation by Primal-Dual Stitching. J. Sci. Comput. 68 (1) (2016)
Sang-Un Kim, Chang-Ock Lee
Accurate Surface Reconstruction in 3D Using Two-dimensional Parallel Cross Sections. J. Math. Imaging Vis. 53 (2) (2015)
Kiwan Jeon, Chang-Ock Lee
MREIT Experiments. Comput. Math. Methods Medicine 2013 (2013)
Chang-Ock Lee, Eun-Hee Park
A dual iterative substructuring method with a penalty term in three dimensions. Comput. Math. Appl. 64 (9) (2012)
Chang-Ock Lee, Kiwan Jeon, Seonmin Ahn, Hyung Joong Kim, Eung Je Woo
Ramp-Preserving Denoising for Conductivity Image Reconstruction in Magnetic Resonance Electrical Impedance Tomography. IEEE Trans. Biomed. Eng. 58 (7) (2011)
Jooyoung Hahn, Chang-Ock Lee
Geometric attraction-driven flow for image segmentation and boundary detection. J. Vis. Commun. Image Represent. 21 (1) (2010)
Hyea Hyun Kim, Chang-Ock Lee, Eun-Hee Park
A FETI-DP Formulation for the Stokes Problem without Primal Pressure Components. SIAM J. Numer. Anal. 47 (6) (2010)
Hyea Hyun Kim, Chang-Ock Lee, Eun-Hee Park
On the selection of primal unknowns for a FETI-DP formulation of the Stokes problem in two dimensions. Comput. Math. Appl. 60 (12) (2010)
Hyea Hyun Kim, Chang-Ock Lee
A FETI--DP Formulation for the Three-Dimensional Stokes Problem without Primal Pressure Unknowns. SIAM J. Sci. Comput. 32 (6) (2010)
Jooyoung Hahn, Chang-Ock Lee
A Nonlinear Structure Tensor with the Diffusivity Matrix Composed of the Image Gradient. J. Math. Imaging Vis. 34 (2) (2009)
Chang-Ock Lee, Eun-Hee Park
A dual iterative substructuring method with a penalty term. Numerische Mathematik 112 (1) (2009)
Jin Keun Seo, Sung Wan Kim, Sungwhan Kim, Jijun Liu, Eung Je Woo, Kiwan Jeon, Chang-Ock Lee
Algorithm With Domain Decomposition in MREIT: Computer Simulation Study. IEEE Trans. Medical Imaging 27 (12) (2008)
Chang-Ock Lee, Kiwan Jeon, Youngsoo Ha, Jooyoung Hahn
A variational approach to blending based on warping for non-overlapped images. Comput. Vis. Image Underst. 105 (2) (2007)
Hyea Hyun Kim, Chang-Ock Lee
A Neumann-Dirichlet Preconditioner for a FETI-DP Formulation of the Two-Dimensional Stokes Problem with Mortar Methods. SIAM J. Sci. Comput. 28 (3) (2006)
Sang Dong Kim, Chang-Ock Lee, Thomas A. Manteuffel, Stephen F. McCormick, Oliver Röhrle
First-order system least squares for the Oseen equations. Numer. Linear Algebra Appl. 13 (7) (2006)
Yeon-Woo Chang, Hyea Hyun Kim, Chang-Ock Lee
Preconditioners for the dual-primal FETI methods on nonmatching grids: Numerical study. Comput. Math. Appl. 51 (5) (2006)
Hyea Hyun Kim, Chang-Ock Lee
A Preconditioner for the FETI-DP Formulation with Mortar Methods in Two Dimensions. SIAM J. Numer. Anal. 42 (5) (2005)
Chang-Ock Lee, Jongwoo Lee, Dongwoo Sheen
A Locking-Free Nonconforming Finite Element Method for Planar Linear Elasticity. Adv. Comput. Math. 19 (1-3) (2003)
Zhiqiang Cai, Chang-Ock Lee, Thomas A. Manteuffel, Stephen F. McCormick
First-Order System Least Squares for the Stokes and Linear Elasticity Equations: Further Results. SIAM J. Sci. Comput. 21 (5) (2000)
Zhiqiang Cai, Chang-Ock Lee, Thomas A. Manteuffel, Stephen F. McCormick
First-Order System Least Squares For Linear Elasticity: Numerical Results. SIAM J. Sci. Comput. 21 (5) (2000)
Taegil Kim, Chang-Ock Lee
A parallel Gauss - Seidel method using NR data flow ordering. Appl. Math. Comput. 99 (2-3) (1999)
Chang-Ock Lee
A conforming mixed finite element method for the pure traction problem of linear elasticity. Appl. Math. Comput. 93 (1) (1998)