CV
Yujin Choi
Summary
Postdoctoral Researcher at Nanyang Technological University (NTU). Focusing on Trustworthy AI, including privacy-preserving machine learning and machine unlearning.
Education
- Industrial Engineering2026-02-25Seoul National University
- Industrial Engineering and Mathematics2021-02-26Yonsei University
Work Experience
- Postdoctoral Researcher2026-02-26Nanyang Technological University (NTU)Collaborating with Prof. Jaehong Yoon on trustworthy machine learning.
Publications
- Differentially Private Upsampling for Enhanced Anomaly Detection in Imbalanced Data2026Engineering Applications of Artificial IntelligenceChoi, Yujin, Park, Jinseong, Park, Youngjoo, Lee, Jaewook, and Byun, Junyoung
- Leveraging priors via diffusion bridge for time series generation2026KDD 2026Park, Jinseong, Lee, Seungyun, Jeong, Woojin, **Yujin Choi**, and Lee, Jaewook
- Safeguarding Privacy of Retrieval Data against Membership Inference Attacks: Is This Query Too Close to Home?2025EMNLP Findings 2025**Yujin Choi**, Park, Youngjoo, Byun, Junyoung, Lee, Jaewook, and Park, Jinseong
- Multi-Class Support Vector Machine with Differential Privacy2025NeurIPS 2025Park, Jinseong, **Yujin Choi**, and Lee, Jaewook
- Temporal consistency ensemble empirical mode decomposition for forecasting practical metal price2025Engineering Applications of Artificial Intelligence**Yujin Choi**, Kim, Dongbin, and Lee, Jaewook
- Improving the utility of differentially private clustering through dynamical processing2025Pattern RecognitionByun, Junyoung, **Yujin Choi**, and Lee, Jaewook
- Leveraging Programmatically Generated Synthetic Data for Differentially Private Diffusion Training2024arXiv preprint arXiv:2412.09842**Yujin Choi**, Park, Jinseong, Byun, Junyoung, and Lee, Jaewook
- Bayesnam: Leveraging inconsistency for reliable explanations2024arXiv preprint arXiv:2411.06367Kim, Hoki, Park, Jinseong, **Yujin Choi**, Lee, Seungyun, and Lee, Jaewook
- Privacy-preserving inference resistant to model extraction attacks2024Expert Systems with ApplicationsByun, Junyoung, **Yujin Choi**, Lee, Jaewook, and Park, Saerom
- In-distribution public data synthesis with diffusion models for differentially private image classification2024CVPRPark, Jinseong, **Yujin Choi**, and Lee, Jaewook
- Fair Sampling in Diffusion Models through Switching Mechanism2024AAAI**Yujin Choi**, Park, Jinseong, Kim, Hoki, Lee, Jaewook, and Park, Saerom
- Fantastic robustness measures: The secrets of robust generalization2023NeurIPSKim, Hoki, Park, Jinseong, **Yujin Choi**, and Lee, Jaewook
- Differentially private sharpness-aware training2023ICMLPark, Jinseong, Kim, Hoki, **Yujin Choi**, and Lee, Jaewook
- Fast sharpness-aware training for periodic time series classification and forecasting2023Applied Soft ComputingPark, Jinseong, Kim, Hoki, **Yujin Choi**, Lee, Woojin, and Lee, Jaewook
- Stability analysis of sharpness-aware minimization2023arXiv preprint arXiv:2301.06308Kim, Hoki, Park, Jinseong, **Yujin Choi**, and Lee, Jaewook
- Exploring the effect of multi-step ascent in sharpness-aware minimization2023arXiv preprint arXiv:2302.10181Kim, Hoki, Park, Jinseong, **Yujin Choi**, Lee, Woojin, and Lee, Jaewook
- Exploring diverse feature extractions for adversarial audio detection2023IEEE Access**Yujin Choi**, Park, Jinseong, Lee, Jaewook, and Kim, Hoki
- Efficient differentially private kernel support vector classifier for multi-class classification2023Information SciencesPark, Jinseong, **Yujin Choi**, Byun, Junyoung, Lee, Jaewook, and Park, Saerom
- Efficient homomorphic encryption framework for privacy-preserving regression2023Applied IntelligenceByun, Junyoung, Park, Saerom, **Yujin Choi**, and Lee, Jaewook
Teaching
- Financial Machine Learning2025Soongsil UniversityRole: Lecturer (1st semester, 2025)
- Financial Programming 22024Soongsil UniversityRole: Lecturer (2nd semester, 2024)