Experienced MRI technologist with over 10 years of expertise in MRI, specializing in cardiac MRI analysis, processing, and sequence optimization for the past three years. Currently a PhD candidate with a focus on 4D flow sequence design and reconstruction, including deep learning applications. Proficient in C++, Matlab, and Python, dedicated to advancing cardiac MRI technology through innovative research and development. 

• 4D Flow (Time-resolved 3D Phase Contrast)

• Cardiac MRI Optimization

• Deep learning Reconstruction via PINN (Physics-Informed Neural Networks)

• Cardiac CT Reconstruction

• Pulse Sequence Design

Ph.D. Candidate in Electrical and Electronics Engineering | Sep 2021 ~ Present
Yonsei University, Seoul, Korea

• Concentration: Biomedical Engineering (Student-Designed Major)

• Advisor: Dr. Dong-Hyun Kim, Ph.D 

M.S. in Electrical and Electronics Engineering | Mar 2017 ~ Aug 2021
Yonsei University, Seoul, Korea

• Thesis: "Development and analysis of CS-accelerated extended 4D flow and 4D flow for turbulent flow"

• Advisor: Dr. Dong-Hyun Kim, Ph.D 

Specialized Training: DCMRC Cardiovascular MR Practicum | Oct 14-18, 2024 

Duke Cardiovascular Magnetic Resonance Center, Duke University

• Comprehensive training in cardiovascular MR principles, safety protocols, and clinical imaging

• Course fulfills SCMR Level 1 (Track B) requirements and applicable toward Level 2 certification

• Focus on case presentations, hands-on patient imaging observation, and individualized instruction

Specialized Training: MRI Sequence Design | Sep 17-21, 2018
Gyrotools, ETH Zurich, Switzerland

• Intensive one-week course on MRI sequence design and optimization

[2023] GH Lee, HJ Koo, KJ Park, DH Yang and HJ Ha. Characterization of baseline hemodynamics after the Fontan procedure: a retrospective cohort study on the comparison of 4D Flow MRI and computational fluid dynamics. Front. Physiol. 14:1199771. doi: 10.3389/fphys.2023.1199771

[2021] HJ Ha, HK Huh, , KJ Park, P Dyverfeldt, T Ebbers, Kim and DH Yang. In-vitro and In-Vivo Assessment of 4D Flow MRI Reynolds Stress Mapping for Pulsatile Blood Flow. Front. Bioeng. Biotechnol. 9:774954. doi: 10.3389/fbioe.2021.774954

[2020] HJ Ha, , KJ Park, P Dyverfeldt, T Ebbers, DH Yang. In vitro experiments on ICOSA6 4D flow MRI measurement for the quantification of velocity and turbulence parameters. Magnetic Resonance Imaging, Volume 72, 2020. doi: 10.1016/j.mri.2020.06.020

[2019] HJ Ha, HJ Kang, HK Huh, WR Choi, HJ Koo, JY Kwon, , KJ Park, YC Cho, SJ Lee, NK Kim, DH Yang. Accuracy evaluation of blood flow distribution in the Fontan circulation: effects of resolution and velocity noise. J Vis 22, 245–257. doi: 10.1007/s12650-018-0536-9

[2022] KJ Park, SH Park. Model Complexity of Deep Residual U-NET for CT Liver Volumetry. Journal of Korean Society of Computed Tomographic Technology 24(2):55-64. DOI : 10.31320/JKSCT.2022.24.2.55

[2020] HS Jung, HB Lee, JS Jang, KJ Park, KW Choi. Comparison of Image Quality and Sound Pressure Reduction with and without Comfortone Technique. J Korean Soc MR Technol 30(2):17-24. doi: 10.31159/ksmrt.2020.30.2.17

[2019] YM Jang, KJ Park, SW Yang, DK Seo. Gadolinium Effect on 4D Phase Contrast MRI. J Korean Soc MR Technol 29(2):27-32. doi: 10.31159/ksmrt.2019.29.2.27

[2015] SY Son, KW Choi, KJ Park, JS Lee, BG Yoo. A Effectiveness of Multi-Transmit Parallel Technique on Magnetic Resonance Imaging of FOV Less Than 26cm. J Radiol Sci Technol 38(4):429-435. doi: 10.17946/JRST.2015.38.4.13

[2023] Kyu-Jin Jung, Chuanjiang Cui, Jae-Hun Lee, Jun-Hyeong Kim, Kyoung-Jin Park, SooHyoung Lee, SunYoung Jung, and Dong-Hyun Kim. Investigation of electrical conductivity changes during functional activity of the brain via phase-based MR-EPT: Preliminary observation. ISMRM 2023

[2022] Kyoung-Jin Park, Ho-Jin Ha, Dong-Hyun Yang, Kang-Hyun Ryu, Jae-Hun Lee, and Dong-Hyun Kim. Investigation of asymmetric undersampling scheme in accelerated flow imaging for improving velocity and turbulence kinetic energy estimation. ISMRM 2022

[2021] Kyoung-Jin Park, Ho-Jin Ha, Kang-Hyun Ryu, Yang-Dong Hyun, and Dong-Hyun Kim. Comparison of turbulent flow based on 4D flow encoding versus icosahedral flow encoding using compressed sensing. ISMRM 2021

Cardiac MRI/CT Specialist | APR 2020 ~ Present
Seoul Asan Medical Center, Seoul, Korea

• Spearhead development and optimization of advanced cardiac MRI sequences

• Perform comprehensive analysis and processing of complex cardiac MRI/CT data

• Implement cutting-edge 4D flow MRI techniques, enhancing diagnostic accuracy and capabilities

• Collaborate with multidisciplinary teams to advance cardiac imaging research and clinical applications

MRI Technologist | Feb 2014 ~ Mar 2020
Seoul Asan Medical Center, Seoul, Korea

• Managed high-volume MRI operations, ensuring optimal image quality and patient care

• Executed a wide range of routine and specialized MRI protocols with precision

• Collaborated closely with radiologists and researchers to refine and implement novel imaging techniques

• Maintained rigorous adherence to safety protocols and quality standards in MRI procedures