Ph.D
Department of Artificial Intelligence, Chung-Ang University
Email : sjjung@vilab.cau.ac.kr
LinkedIn : [Link]
Github : [Link]
Visual Intelligence Lab. (VILab) [Homepage]
Research Interests
Machine Learning Domain Generalization Representation Learning Uncertainty Calibration Face Anti-Spoofing
Experience
University of Birmingham, Birminngham, United Kingdom
Visiting Reseracher, School of Computer Science., Aug. 2025 - Dec 2025 Supervisor : Prof. Hyung Jin Chang
Naver CLOVA, Seongnam, Korea
Internship, Naver Clova Image Vision team., Sep. 2022 - Mar. 2023. Supervisor : Yonghyun Jeong
Graduate School of Advanced Imaging Science, Multimedia & Film, Chung-Ang University, Seoul, Korea
Research Assistant, Visual Intelligence Lab., Sep. 2020 - Aug. 2022.
Education
Chung-Ang University, Seoul, Korea
Ph.D., Department of Artificial Intelligence, Sep. 2022 - Aug. 2026
Adviser : Prof. Jongwon Choi
Graduate School of Advanced Imaging Science, Multimedia & Film, Chung-Ang University, Seoul, Korea
M.E., Department of Image Science and Arts, Sep. 2020 - Aug. 2022
Adviser : Prof. Jongwon Choi
Hoseo University, Asan, Korea
B.E., Department of Information and Communication Engineering, Mar. 2013 - Feb. 2020
Publications
International Conference
Juyong lee, Seungjin Jung, Jungmin Lee, Sunju Lee, and Jongwon Choi, "Rethinking Detection Calibration: A Coordinate and Direction Perspective", In Proceedings of European Conference on Computer Vision (ECCV), 2026.
Seungjin Jung*, Kanghee Lee, Yonghyun Jeong, Haeun Noh, Jungmin Lee, and Jongwon Choi, "Group-wise Scaling and Orthogonal Decomposition for Domain-Invariant Feature Extraction in Face Anti-Spoofing", In Proceedings International Conference on Computer Vision (ICCV), 2025. [Acceptance Rate 24.01% (2,698/11,239)] [Paper] [Github]
Taehoon Kim, Jongwook Choi, Seungjin Jung, and Jongwon Choi, "MAYA: Multi-Attack Yielding Augmentation for Unified Face Attack Detection", In Proceeding International Conference on Computer Vision Workshop (ICCVW), 2026.
Jungeun Kim*, Jangyeong Jeon, Seungjin Jung, and Junyeong Kim, "De-Bias Using Abstract Meaning Representation for Image Captioning", in Proceedings of IEEE International Conference on Consumer Electronics (ICCE), 2024. [Paper]
Seungjin Jung*, Seungmo Seo, Yonghyun Jeong, and Jongwon Choi, "Scaling of Class-wise Training Losses for Post-hoc Calibration", in Proceedings of International Conference on Machine Learning (ICML), 2023. [Acceptance Rate 27.94% (1,827/6,538)] [Paper] [Github]
International Journal
Seungjin Jung*, Yonghyun Jeong*, Minha Kim, Jimin Min, Youngjoon Yoo, and Jongwon Choi, "Domain-generalizable Face Anti-Spoofing with Patch-based Multi-tasking and Artifact Pattern Conversion", Pattern Recognition, 2026 [IF=9.1]
Seungmo Seo, Jongsu Youn, Seungjin Jung, Minji Kwak, Heegon Jin, Hojoon Jung, Jongwon Choi, "Online Adaptive Slimmable Network for Source-free Unsupervised Domain Adaptation", IEEE Access, 2026 [IF=4.2]
Junsup Shin*, Youngwook Kang, Seungjin Jung, and Jongwon Choi, “Active Instance Selection for Classification”, IEEE Access, 2022 [IF=3.476] [Paper]
Under Review
Hyunseo Lee*, Seungjin Jung*, Jongwon Choi, and Chanho Eom, "SCID: Semantic Appearance and Camera-Guided Identity Alignment for Domain-Generalizable Person Re-Identification", Pattern Recognition.
Domestic Paper
Jongmin Lee, Seungjin Jung, and Jongwon Choi, “Development of Environment- Adaptive Training Method”, Moving Image and Technology (MINT), 2022. [Paper]
Research Project
Advancement of Smart Monitoring System and Identification Technology for Illegal/Defective Food / Sponsored by Ministery of Food and Drug Safety (Jan. 2022 - Au. 2026)
Development of Environment-adaptive Training Method for Deep Learning Network / Sponsored by ETRI (Mar. 2021 - Nov. 2021)
Film Production with Deepfake / Sponsored by Bk21 (Jan. 2021 - Mar. 2021)
Development of AI System / Sponsored by Doosan (Sep. 2020 - Dec. 2020)
Invited Talk
Artificial Intelligence Graduate School Symposium, oral presentation (Aug. 2023)
Patent
Registration
[KR1] 10-2650992. Apparatus and Method for Neural Network Compression using Block Transform (Jun. 2024)
[KR2] 10-2695536. Irregular/Bad Food Monitoring Device and Method (Aug. 2024)
[KR3] 10-2695889. Method and apparatus for controlling loss scale by class for post-correction, and computer program (Aug. 2024)
[KR4] 10-2724394. Method and apparatus for analyzing articles through keyword extraction, and computer programs (Oct. 2024)
Application
[US1] 18/396,927. Method and apparatus for controlling loss scale by class for post-correction, and computer program (Dec. 2023)
Peer-review Activity
IEEE Winter Conference on Applications of Computer Vision (WACV): 2025
IEEE/CVF Conference on Computer Vision and Pattern Recognition (CVPR): 2025