Prof. Wonjoong Cheon (천원중 교수)

Wonjoong Cheon (Ph.D. in Engineering, DKBR, DIBR)

Assistant Professor of convergence medicine

Diplomate of International Medical Physics certification board & Korean Medical Physics certification board

(IMPCB, KMPCB; Qualified medical physicist)

Catholic University College of Medicine Seoul St. Mary’s Hospital,
Department of Radiation oncology
222 Banpo-daero, Seocho-gu, Seoul, 06591, Republic of Korea

Tel: (+82) 10-45145249 Email: wjcheon@catholic.ac.kr

"Data scientist, A.I researcher, and medical physicist with dual degrees in computer science and radiological science"

RESEARCH INTERESTS

2025

Brain tumor segmenation from multimodal images using deep-learning technique
Medical records creation using Large Language Model for Brain tumor metastasis

EDUCATIONS

Doctor of Philosophy in Engineering, Health Sciences and Technology
(Medical physics)
Samsung Advanced Institute for Health Sciences & Technology (SAIHST), Sungkyunkwan University, 06351, Korea.
Major Advisor: Prof. Youngyih Han
Dissertation: Development of mechanical and dosimetric quality assurance system using cameras with artificial neural networks

Bachelor of Engineering, Computer engineering and Communication and Information engineering
Yonsei University, 26493, Korea
Major Advisor: Prof. Jaekwon Kim

Bachelor of Science, Radiological science
Yonsei University, 26493, Korea
Major Advisor: Prof. Heejoung Kim

APPOINTMENTS

Assiatant processor of convergence medicine

The Catholic University, College of Medicine, Seoul St. Mary’s Hospital, Department of Radiation Oncology

Research Assistant professor
The Catholic University, College of Medicine, Seoul St. Mary’s Hospital, Department of Radiation Oncology

Sep 2023 – Aug 2025

Physics fellow
Proton therapy center, National cancer center

Mar 2022 – Aug 2023

Physics residency
Proton therapy center, National cancer center

Mar 2020 – Feb 2022

Researcher
Department of radiation oncology, Samsung medical center

Feb 2018 – Feb 2020

Researcher
Department of radiation oncology, Samsung medical center

Feb 2014 – Feb 2015

Researcher (intern)
Biomedical engineering branch, National cancer center

Jun 2013 – Aug 2014

Researcher (intern)
Vatech vision research center

Jan 2013 – Feb 2013

CLINICAL EXPERIENCES

Medical Physics, Residency Training

TBI simulation and treatment planning as a clinical duty
Frame-based SRS simulation as a clinical duty
Annual, Monthly, Daily QAs for Varian Linacs (21EX, Trilogy, VitalBeam)
Annual, Monthly, Daily QAs for Tomotherapy
Annual IROC Houston QA for Linacs and Tomotherapy
Daily QA for IBA Proton PBS, DS, FBRT
Patient-specific IMRT, SBRT, VMAT QAs using MatriXX, EPID
Patient-specific IMRT QA using Delta4
Electron cross-calibration for PPC
In-vivo dose verification using Gafchromic EBT3 film, TLDs
Brachytherapy simulation and treatment planning as a clinical duty
X-ray therapy chart check

Medical Physics, Fellow

Monthly QA for Proton double, single scattering (DS, SS) techniques
Monthly QA for Proton uniform scattering (US) technique
Monthly QA for Proton beam scanning (PBS) technique
Proton range/SOBP measurement using ion-chambers
Patient-specific QA for DS, SS, US using MLIC, ion-chambers
Patient-specific QA for PBS using MatriXX
Proton therapy chart check
Training for medical physics residency
Eye treatment with proton beam

Medical physics, Research assistant professor

- Clnical duty
  - SRS treatment planning and attending with HyperArc
  - Introduction and verification of the latest equipment (Simense Go Open.Pro CT, SGRT etc.)
- Clinical supports
- Research

AWARD and RECORD

Award: Top prize, The 19th Annual Conference of the Korean Radiosurgery Society, "A new apporach for Model-based Quantifying Interobserver variablity in Whole Breast CTV Contouring"

March. 14, 2025

Award: Top prize, Large Language model with RAG for customer service on Youtube, Department of computer science, Seoul University and Upstage

May. 19, 2024

Award: Top prize, AI HeLP Challenge 2023, Detection of blood vessel wall lesions in high-resolution magnetic resonance imaging

Dec. 4, 2023

Award: 3rd prize, Body Morphometry A.I Segmentation challenge, Korea Health Industry Development Institute (KHIDI): Chest: Muscle, Fat, Bone

Dec. 5, 2022

Record: 8th place, Ministry of Science and ICT (MSIT), 2022 Artificial Intelligence Online Contest: Beef grade classification (8th/ 192)

Jul. 1, 2022

Award: Top prize, National Information Society Agency (NIA), Heart disease AI datathon

Dec. 18, 2021

Award: AFOMP Best Ph.D award 2021, Asia-Oceania Federation of Organizations for Medical Physics

Dec. 13, 2021

Award: 4th award, Medical AI Challenge: Seoul national university hospital: Artery segmentation

Dec. 01, 2021

Award: Top prize, Body Morphometry A.I Segmentation challenge, Korea Health Industry Development Institute (KHIDI): Kidney and Kidney tumor segmentation challenge

Sep. 17, 2021

Award: Young Investigation Award, Korea-Japan Joint Meeting on Medical Physics (KJMP)

Sep. 10, 2021

Award: Excellent Review Paper Award, Korean Society of Medical Physics (KSMP): Review paper: Deep Learning in Radiation Oncology

Dec. 12, 2020

Award: Excellent Research Award, Samsung Advanced Institute for Health Sciences & Technology (SAIHST)

Dec 12, 2019

Award: Excellent Research Award, Korean Society of Medical Physics (KSMP)

Apr. 1, 2019

Award: Excellent Research Award, Korean Society of Medical Physics for Radiosurgery (KSMPR)

Dec. 10, 2018

Award: Excellent Research Award, Korean Society of Medical Physics (KSMP)

Apr. 13, 2018

Award: Excellent Research Award, Korean Society of Medical Physics for Radiosurgery (KSMPR)

Nov. 10, 2017

Award: Young Investigation Award, Japan-Korea Joint Meeting on Medical Physics (JKMP)

Sep. 15, 2017

Award: Encouragement prize, Medical Big data Analysis Contest: Asan Medical Center (AMC)-Microsoft: Diagnosis of lung cancer in patients with isolated pulmonary nodules

Mar. 8, 2017

Award: 3rd prize, Capstone design: Yonsei University

Sep. 10, 2013

Award: Excellent Research Award, Research poster competition: National Cancer Center (NCC)

Aug. 23, 2013

Award: Excellent Research Award, Field practice contest: Yonsei University

Apr. 30, 2012

Award: Best Presenter Award, Korea Nuclear Energy Agency (KNEA)

Nov. 24, 2012

Page updated

Google Sites

Report abuse