Woojung Han

PhD Student

MICV Lab, Yonsei University

CV | Google Scholar | | |

I am a 4th-year PhD student at Yonsei University, advised by professor Seong Jae Hwang in the Medical Imaging & Computer Vision Lab. My current research areas include multimodal generative learning and representation learning.

I am currently looking for a research internship position for the summer of 2025!

Contact

dnwjddl@yonsei.ac.kr
Engineering Research Park, Yonsei University, Seoul, Republic of Korea

Education

PhD in Computer Science, 2022~Present

Yonsei University, Seoul
BS in Human Intelligence and Information Engineering, 2017~2022

Sangmyung University, Seoul

Recent News🎉

[Feb 2025] 🎉 Two papers have been accepted to CVPR 2025!
[Feb 2025] EAGLE (CVPR 2024 Highlight) won Best Academic Paper Award at Yonsei University Fall 2024.
[Nov 2024] Cobra (PR Journal) awarded the ARF funding Idea Invubating Initiative at Yonsei University in Fall 2024.
[Sep 2024] Our paper CXRL🩻 has been selected as a Spotlight🔦(< 3.4%) at MICCAI 2024!
[Aug 2024] 🎉 One paper accepted for Pattern Recognition Journal (Impact Factor = 7.5)
[Aug 2024] Our paper EAGLE🦅(CVPR 2024 Highlight) has been invited to be presented at KCCV 2024.
[May 2024] 🎉 One paper has been EARLY ACCEPTED (< 11%) to MICCAI 2024!
[Mar 2024] 🎉 One paper has been accepted to CVPR 2024 as a Highlight💫(< 2.8%)!
[Mar 2022] 🎓 Joined MICV Lab at Yonsei University for my PhD Program.

Research Experiences

Medical Imaging & Computer Vision Lab, Yonsei University, Seoul
Mar 2022 - Present

Graduate Student Researcher
Algorithm Machine Intelligence Lab, POSTECH, Seoul
June 2021 - Aug 2021

Undergraduate Research Intern
Computer Vision Lab, Korea University, Seoul
Mar 2021 - June 2021

Undergraduate Research Intern
Pattern Recognition Lab, Sangmyung University, Seoul
Sep 2018 - Nov 2020

Undergraduate Research Intern

Publications

Spatial Transport Optimization by Repositioning Attention Map for Training-Free Text-to-Image Synthesis

Woojung Han, Yeonkyung Lee, Chanyoung Kim, Kwanghyun Park, Seong Jae Hwang

CVPR 2025

[ arXiv ]
Distilling Spectral Graph for Object-Context Aware Open-Vocabulary Semantic Segmentation

Chanyoung Kim, Dayun Ju, Woojung Han, Ming-Hsuan Yang, Seong Jae Hwang

CVPR 2025

[ project / arXiv ]
EAGLE🦅: Eigen Aggregation Learning for Object-Centric Unsupervised Semantic Segmentation

Chanyoung Kim*, Woojung Han*, Dayun Ju, Seong Jae Hwang

CVPR 2024 Highlight (Acceptance Rate < 2.8%)

Short version at "Causal and Object-Centric Representations for Robotics" Workshop @ CVPR 2024

[ project / paper / arXiv / code ]
Advancing Text-Driven Chest X-Ray Generation with Policy-Based Reinforcement Learning

Woojung Han*, Chanyoung Kim*, Dayun Ju, Yumin Shim, Seong Jae Hwang

MICCAI 2024 Spotlight (Acceptance Rate < 3.4%)

[ project / arXiv / code ]
CoBra: Complementary Branch Fusing Class and Semantic Knowledge for Robust Weakly Supervised Semantic Segmentation

Woojung Han, Seil Kang, Kyobin Choo, Seong Jae Hwang

Pattern Recognition (Impact Factor: 7.5)

[ paper arXiv page ]

Academic Activities

Reviewer

BMVC 2024
WACV 2025

Certifications

Summer Program in University of Southern California (Aug 2023)
YONSEI Medical Scientist Program (July 2023)
Tensorflow Developer Certificate (July 2022)

Teaching Experience

TA: Yonsei University (Mar 2022 ~ Present)
TA: KT AIVLE (Feb 2022)
TA: NAVER + MODULABS
Lecturer: Samsung Electronics
TA: LG Academy AI Camp

Awards & Honors

Best Academic Paper Award at Yonsei University Fall 2024
Graduation Project Dec 2021
MAIC Surgical Instruments Segmentation Dec 2021
Korea SW Central University Hackton Feb 2021
SM AI Competition (2nd, 4rd Prize) Dec 2020