Publications (International)
8) Kim, Y.¹ , Yang, S. J.¹ , Jang, E., Sohng, W., Lee, M.*, & Chung, H.* (2026). Use of serial line-mapped infrared spectra across a heterogeneously dried urine sample enhances component-discriminability and accuracy in identifying pancreatic cancer, Microchemical Journal, 228, 119122.
https://doi.org/10.1016/j.microc.2026.119122
7) Jeong, H.¹ , Peerapattana, J.¹ , Yang, S. J.*, & Chung, H.* (2026). An An augmentation strategy based on local sampling with latent interpolation for packing density-tolerant vibrational spectroscopic determinations of component concentration, Chemometrics and Intelligent Laboratory Systems, 276, 105784.
https://doi.org/10.1016/j.chemolab.2026.105784
6) Yang, S. J., & Jeong, J.* (2026). Spatiotemporal modeling of wind speed fields over the Korean peninsula using 3D-CNN and β-VAE for probabilistic forecasting. Environmental and Ecological Statistics, 33(2), 625–652.
https://doi.org/10.1007/s10651-026-00717-6
5) Yang, S. J.¹ , Sohng, W.¹ , & Chung, H.* (2025). An auto encoder as a feature-extraction tool for Raman spectroscopic compositional analysis of hydrocarbon mixtures and investigation of correlations of auto encoder–extracted variables with component concentrations. Fuel, 380, 133167.
https://doi.org/10.1016/j.fuel.2024.133167
4) Yang, S. J., & Cha, K. J.* (2024). GMO-AC: Gaussian-based minority oversampling with adaptive outlier filtering and class overlap weighting. IEEE Access, 12, 192494-192509.
https://doi.org/10.1109/ACCESS.2024.3518573
3) Jeong, H., Yang, S. J., Peerapattana, J.*, & Chung, H.* (2024). Comparative evaluation of accuracy in near-infrared and Raman spectroscopic determinations of component concentration in packed solid mixtures under various packing densities. Analytica Chimica Acta, 1331, 343310.
https://doi.org/10.1016/j.aca.2024.343310
2) Jeong, S., Jeong, H., Yang, S. J., Cho, S., & Chung, H.* (2024). Intelligent color image analysis of sintered ores for simple and rapid determination of Fe3O4 concentration. Talanta, 274, 125985.
https://doi.org/10.1016/j.talanta.2024.125985
1) Kim, J.¹ , Sohng, W.¹ , Yang, S. J., Park, Y. G., Chung, K., Kim, K., ... & Chung, H.* (2024). Human decision-substitutable chemometric identification of pixel shrinkage in OLEDs using secondary ion mass spectrometry. Expert Systems with Applications, 238, 122207.
https://doi.org/10.1016/j.eswa.2023.122207
Publications (Domestic)
1) 홍소정, 양승지, 김시은. (2022). 잠재성장모형과 잠재프로파일 분석을 활용한 학령기 아동의 전반적 행복감 분석. 교육발전, 42(2), 665-689.
Submitted
In Preparation
2) Yang, S. J., & Cha, K. J.* (2026+)
1) Ko, J. Y.¹ , Yang, S. J.¹ , & Jeong, J.* (2026+). Extending Spatially Clustered Regression With Multiple Similarity Structures
Talks
6) Overlap-aware oversampling via MCD-regularized Gaussian mixtures for imbalanced learning, JSM 2026, Thomas M. Menino Convention & Exhibition Center, Boston, MA, USA, August 4, 2026.
5) Probabilistic data augmentation for vibrational spectroscopic analysis under physical-property variability, The Korean Statistical Society Winter Conference 2025, Seoul National University, Seoul, Korea, December 20, 2025.
4) Autoencoder-driven feature extraction in raman spectroscopy analysis for hydrocarbon mixture, The Korean Data Analysis Society Winter Conference 2024, Chungnam National University, Daejeon, Korea, December 6, 2024.
3) Adaptive Gaussian-based oversampling method for imbalanced data depending on the local class overlap (Poster), JSM 2023, Metro Toronto Convention Centre, Toronto, Ontario, Canada, August 8, 2023.
2) GMOTE: Gaussian-based minority oversampling technique for imbalanced classification adapting tail probability of outliers (Virtual Poster), Bernoulli - IMS 10th World Congress in Probability and Statistics, Online, July 20, 2021.
1) Robust GMM-SMOTE using Mahalanobis distance (Poster), The Korean Statistical Society Fall Conference 2019, University of Seoul, Seoul, Korea, November 8, 2019.
Grant
1) Post-Doc. Research for Growth, National Research Foundation of Korea (RS-2025-25438303), Development of an oversampling algorithm for imbalanced classification using distribution-based generative model, October 2025 - August 2028
Ph.D. Thesis
Gaussian-based oversampling approach for imbalanced and overlapped class adapting the minimum covariance determinant, Hanyang University, 2023.