Research Interests
- Tomography
- Computerized Tomography, Conical Radon Transform, Photoacoustic Tomography
- Machine Learning
- (Blind) Inverse Problems, PDE solvers (Physics-Informed Neural Network, DeepONet), Generative Models (for Materials Design)
Education & Employment
| 2025.03. - Present | | Postdoctoral Researcher | |
| Computational Science Research Center, Korea Institute of Science and Technology (KIST) | ||
| 2021.03. - 2025.02. | | Ph.D. in Mathematics | |
| Kyungpook National University (Adviser: Prof. Sunghwan Moon) | ||
| 2019.03. - 2021.02. | | M.S. in Mathematics | |
| Kyungpook National University (Adviser: Prof. Sunghwan Moon) | ||
| 2012.03. - 2019.02. | | B.S. in Physics with a Minor in Mathematics | |
| Kyungpook National University (Military Service, 2013.04 - 2015.01) | ||
Publications
Journal articles
-
Gihyeon Jeon1 and Gyeongha Hwang
SelfPAT: Self-supervised joint estimation of sound speed and initial pressure in PAT
Submitted -
Gihyeon Jeon1, Nyan Htet Naing1, and Gyeongha Hwang
SelfPMRI: Self-supervised joint sensitivity maps estimation and image reconstruction in parallel MRI
Submitted - Gyeongha Hwang, Sunghwan Moon, Dabin Park$\dagger$, and Gihyeon Jeon$\dagger$
Implicit learning to determine variable sound speed and the reconstruction operator in photoacoustic tomography
Accepted, Applied Mathematics in Science and Engineering -
Sanghyun Kim1, Gihyeon Jeon1, Seungwoo Hwang, Jiho Lee, Jisu Jung, Seungwu Han, Sungwoo Kang
Are diffusion models ready for materials discovery in unexplored chemical space?
Patterns (Cell Press sister journal) -
Gihyeon Jeon1$\dagger$
Range description for an attenuated conical Radon transform with fixed central axis and opening angle
Applicable Analysis 104.16 (2025), p. 3278-3290. -
Souvik Roy, Gihyeon Jeon, and Sunghwan Moon
Radon transform with Gaussian beam: Theoretical and numerical reconstruction scheme
Applied Mathematics and Computation 452 (2023), p. 128024. -
Gihyeon Jeon1 and Sunghwan Moon
Singular value decomposition of the attenuated conical Radon transform with a fixed central axis and opening angle
Integral Transforms and Special Functions 32.10 (2021), p. 812-822.
Books
-
Gihyeon Jeon1 and Daesick Ryu1
Julia Programming: Computational Science, Statistical Analysis, Deep Learning, and Data Visualization (written in Korean, Korean title: 줄리아 프로그래밍: 수리 계산, 통계 분석, 딥러닝, 데이터 시각화를 위한)
bjpublic, 2024. isbn: 9791165922757.
Preprints
-
Gyeongha Hwang, Gihyeon Jeon, and Sunghwan Moon
Self-supervised learning for a nonlinear inverse problem with forward operator involving an unknown function arising in photoacoustic tomography
arXiv preprint arXiv:2301.08693 (2023)
Teaching Experience
Teaching
| 2024 Fall | | Calculus II | (CLTR0212-021), Kyungpook National University |
| 2024 Spring | | Calculus I | (CLTR0211-040, CLTR0211-021), Kyungpook National University |
Teaching Assistant
| 2025 Jan. | Chief Assistant | | 2025 Young Mathematician Camp |
| Korean Mathematical Society and Hyundai Motor Chung Mong-Koo Foundation | ||
| 2022 Fall | Teaching Assistant | | Seminar in Linear Algebra 1 (MATH0241-001) |
| Kyungpook National University | ||
| 2022 Spring | Teaching Assistant | | Seminar in Linear Algebra 2 (MATH0242-001) |
| Kyungpook National University | ||
| 2019 Spring | Teaching Assistant | | Mentorship for Undergraduate Students in Mathematics |
| Kyungpook National University | ||
Skills
- Computer Languages: Julia-Flux, Python-Pytorch
- Software and Tools: BART (Berkeley Advanced Reconstruction Toolbox), MATLAB, LATEX
- Package Implementation: TopologicalDataAnalysis.jl, Tomography.jl
Invited Talk
- 2025.10. | Applications of Artificial Intelligence in Mathematics and Materials Science Research; AI Seminar Special Lecture, Electronics Engineering Department of Artificial Intelligence, Kyungpook National University
- 2024.08. | Introduction to inverse problem and deep learning for photoacoustic tomography; Workshop for Young Mathematicians in Korea (WYMK), Seoul National University
Awards and Fellowships
- 2024.12. 『Julia Programming』. Selected for the 2024 Sejong Book List Academic Category
- 2024.08. Top Award for Workshop for Young Mathematicians in Korea (WYMK)
- 2022.05. Top Award for Spring Graduate Student Academic Presentation, the Korean Data Information Science Society (KDISS)
- 2021.03. Kyungpook National University Ph.D. Fellowship (Graduate student with excellent research achievements, recommended by project division)
- 2016.09. Encouragement Award for College of Natural Sciences Student Academic Presentation, Kyungpook National University