Research Interests : Deep Learning for Inverse Problems

• Self-Supervised Learning in Medical Imaging

  • Low-Dose CT Reconstruction

  • Sparse-View CT Reconstruction

  • CT Super-Resolution

  • Semantic Segmentation for CT

• Unsupervised Learning for Blind Inverse Problems

Submitted for Publications

Refereed Journal Publications

• 1. M. Haltmeier and G. Hwang, "ECALL: Estimation-calibrated learning for joint deconvolution and kernel inference from unpaired data", Journal of Inverse and Ill-posed Problems, vol. 33, no. 5, 2025, pp. 647-664                    

  2. N. Gruber, J. Schwab, M. Haltmeier, A. Biguri, C. Dlaska and G. Hwang, "Noisier2Inverse: Self-Supervised Learning for Image Reconstruction With Correlated Noise",  IEEE Access, vol. 13, pp. 139445-139459, 2025

  3. X Cheng, Z Guo, G Hwang and H Yoon, "Global Well-Posedness and Scattering of the Two Dimensional Cubic Focusing Nonlinear Schrödinger System",  Journal of Differential Equations 433, 113225, 2025

  4. G Hwang, "Probabilistic Radial Strichartz Estimates and Its Application",  Funkcialaj Ekvacioj 67 (2), 199-216, 2024

  5. JL Chern, M Hashizume and G Hwang, "Existence and non-existence of minimizers for Hardy-Sobolev type inequality with Hardy potentials",  Applicable Analysis 103 (10), 1831-1845, 2024

  6. G Hwang and M Kar, "Reconstructing unknown inclusions for the biharmonic equation",  Journal of Mathematical Analysis and Applications 530 (2), 127745, 2024

  7. G Hwang, H Yoon, "Probabilistic local wellposedness of 1D quintic NLS below L2 (R)", Journal of Mathematical Analysis and Applications 527 (1), 127195, 2023

  8. Y Jung, H Kim, G Hwang, SH Baek, S Lee, "Mesh density adaptation for template-based shape reconstruction", ACM SIGGRAPH 2023 Conference Proceedings, 1-10, 2023

  9. G Ju, Y Choi, D Lee, JH Paik, G Hwang, S Lee, "Self-Supervised Dehazing Network Using Physical Priors", Asian Conference on Computer Vision, 290-305, 2022

  10. Y Choi, J Paik, G Ju, D Lee, G Hwang, S Lee, "Non-Homogeneous Haze Synthesis for Hazy Image Depth Estimation Using Deep Learning", Journal of the Korea Computer Graphics Society 28 (3), 45-54, 2022

  11. JL Chern, G Hwang, J Takahashi and E Yanagida, "On the evolution equation with a dynamic Hardy-type potential", Journal of Evolution Equations 21 (2), 2141-2165, 2021

  12. JL Chern, CH Chen and G Hwang, "Structure of minimizers of cafarelli-kohn-nirenberg inequality", Tohoku Mathematical Journal 72 (4), 551-567, 2020

  13. JL Chern, M Hashizume and G Hwang, "Properties of solutions to semilinear elliptic problem with Hardy potential", Journal of Differential Equations 269 (2), 1432-1464, 2020

  14. G Hwang, "Well-posedness and Scattering for the Critical Fractional Schrödinger Equations", Funkcialaj Ekvacioj 63 (2), 231-245, 2020

  15. G Hwang, "Probabilistic well-posedness of the mass-critical NLS with radial data below L2 (Rd)", Journal of Mathematical Analysis and Applications 475 (2), 1842-1854, 2019

  16. M Hashizume, CH Hsia and G Hwang, "On the Neumann Problem of Hardy-Sobolev critical equations with the multiple singularities", Communications on Pure and Applied Analysis 18 (1), 301–322, 2019

  17. G Hwang, "Almost Sure Well-Posedness of Fractional Schrödinger Equations with Hartree Nonlinearity", Publications of the Research Institute for Mathematical Sciences 54 (1), 1-45, 2018

  18. G Hwang and C Kwak, "Probabilistic well-posedness of generalized KdV", Proceedings of the American Mathematical Society 146 (1), 267-280, 2018

  19. Y Cho, G Hwang and C Yang, "On the modified scattering of 3-D Hartree type fractional Schrödinger equations with Coulomb potential", Adv. Differential Equations. 23 (2018), no. 9-10, 649-692, 2018

  20. Y Cho, G Hwang and T Ozawa, "On the focusing energy-critical fractional nonlinear Schrödinger eqautions", Adv. Differential Equations 23 (2018), no. 3-4, 161–192, 2018

  21. Y Cho, G Hwang and T Ozawa, "Corrigendum to "On small data scattering of Hartree equations with short-range interaction" [Comm. Pure. Appl. Anal., 15 (2016), 1809--1823]", Commun. Pure. Appl. Anal Vol.16, Issue 5, 2017, 1939-1940

  22. Y Cho, G Hwang and T Ozawa, "On small data scattering of Hartree equations with short-range interaction", Commun. Pure. Appl. Anal Vol.15, Issue 5, 2016, 1809-1823

  23. Y Cho, G Hwang and Y Shim, "Energy concentration of the focusing energy-critical fNLS", J. Math. Anal. Appl. 437 (2016), no. 1, 310-329

  24. Y Cho, G Hwang, S Kwon and S Lee, "Well-posedness and ill-posedness for the cubic fractional Schrödinger equations", DCDS-A (Vol. 35, No. 7) 2015, 2863-2880

  25. Y Cho, G Hwang, S Kwon and S Lee, "On the finite time blowup for Hartree equations", P. ROY. SOC. EDINB (145A) 2015, 467-479

  26. Y Cho, H Hajaiej, G Hwang and T Ozawa, "On the orbital stability of fractional Schrödinger equations", Commun. Pure. Appl. Anal Vol.13, No.3, 2014, 1267-1282

  27. Y Cho, G Hwang, S Kwon and S Lee, "Profile decompositions of fractional Schrödinger equations with angularly regular data", J. Differential. Equations 256 (2014), 3011-3037

  28. Y Cho, G Hwang, S Kwon and S Lee, "Profile decompositions and Blowup phenomena of mass critical fractional Schrödinger equations", Nonlinear Analysis 86 (2013), 12-29

  29. Y Cho, H Hajaiej, G Hwang and T Ozawa, "On the Cauchy problem of fractional Schrödinger equation with Hartree type nonlinearity", Funkcialaj Ekvacioj 56 (2013), 193-224

  30. Y Cho, G Hwang and T Ozawa, "Global well-posedness of critical nonlinear Schrödinger equations below $L^2$", DCDS-A (Vol. 33, No. 4) 2013, 1389-1405

  31. Y Cho, G Hwang and S Lee, "An endpoint Strichartz estimate in polar coordinates", RIMS Kokyuroku Bessatsu B33 (2012), 49-57