Project archive

Ideas become
evidence.

A collection of research, industry, community, and course projects—each an opportunity to translate statistical thinking into a concrete system or decision.

Research & Industry

Cross-disciplinary work developed with research institutions and industry partners.

Mar. 2025 — Jan. 2026 · MFDS Korea

Estimation and Quantification of Long COVID in a Korean Cohort

Research on statistical estimation and quantification of post-acute outcomes in a Korean cohort, funded by the Ministry of Food and Drug Safety.

Clinical dataStatistics

Apr. 2025 — Jun. 2025 · Edutem Inc.

English-specified Educational Chatbot Development under CEFR

Developed an educational chatbot for CEFR-aligned English learning in an industry-funded collaboration.

LLMEducation

Sep. 2024 — Dec. 2024 · Petnow Inc.

Development of Dog-Length Estimation Framework with 3D Depth Estimation

Built a framework for estimating a dog's body length using three-dimensional depth information in an industry-funded project.

3D visionDepth estimation

Community Research

Collaborative projects developed through Yonsei Artificial Intelligence and Yonsei Data Science Lab.

Translationese mitigation model and dataset overview

Mar. 2025 — Jun. 2025 · YAICON 6th, 1st Prize

Mitigation of Translationese between English–Korean with Synthetic Data

Fine-tuned an encoder–decoder model on semi-synthetic data to rewrite translationese Korean more naturally while preserving meaning.

Report Code
NLPSynthetic data

Jan. 2025 — Feb. 2025 · DSL EDA

Detecting Unfair Judging in Figure Skating via Causal Detection and Time-Series Analysis

Investigated judging patterns through causal detection and time-series analysis to identify evidence of systematic unfairness.

Video
Causal analysisTime series
Multi-stage masked language model architecture

Oct. 2024 — Dec. 2024 · YAICON 5th

Multi-Stage Transfer Learning Approach for Personality Classification using MLM

Combined task-specific fine-tuning, masked language modeling with guided masking, and classification for Korean MBTI prediction.

Report Code
Transfer learningKoELECTRA
Animated examples of predicted face aging

Aug. 2024 — Sep. 2024 · DSL Modeling

Missing Children Aging Prediction via FADING & GOAE

Combined diffusion-based age progression with one-image 3D rendering in a two-stage architecture designed for Korean missing-child cases.

Report Code Video
Diffusion3D rendering
Proposed circular midnight bus route in Seoul

Jul. 2024 — Aug. 2024 · DSL EDA

Foundation Proposal for Midnight Bus Route in Seoul

Analyzed nighttime movement and ridership to propose a circular route that better matches late-night transit demand.

Report Code Video
Spatial dataMobility

Coursework & Early Work

Projects that shaped my approach to modeling, ethics, and data-driven public decisions.

Reinforcement-learning trolley problem simulation

May 2024 — Jun. 2024 · STA3145

Solving the Trolley Problem via Reinforcement Learning

Modeled moral trade-offs through Bayesian reinforcement learning in a multi-agent safety environment.

Report
Bayesian RLAI safety
Map of child traffic accident risk in Osan City

Dec. 2020 — Jan. 2021 · COMPAS & Osan City

Derivation of Dangerous Areas for Child Car Accidents in Osan City

Used spatial APIs and multiple linear regression diagnostics to identify underserved child-safety areas and support protection-zone planning.

Report Challenge
RegressionGeospatial