← Home

Publications & Projects

Publications

ICML 2026
From Volume to Value: Preference-Aligned Memory Construction for On-Device RAG
Changmin Lee, Jaemin Kim ↗, Taesik Gong
We propose EPIC, a preference-aligned memory construction framework for on-device RAG that selectively retains preference-relevant information and aligns retrieval toward user preferences under tight memory budgets.
Under Preparation
ΔAgent: Efficient Mobile GUI Agents via Transition-Guided Flexible Action Reuse
Changmin Lee, Taehwan Park, Jongwon Lee, Taesik Gong
Transition-guided memory and flexible action reuse for efficient mobile GUI agents.
IEIE Journal 2024
Enhancing Chest X-Ray Classification with Multi-Class Token Hybrid Transformers
Changmin Lee, Ho-kyung Shin, Woo-Jeoung Nam
KIIT 2024
Design and Optimization of a Face Recognition-Based Entry Logging System to Prevent Solitary Deaths
Changmin Lee, Hyun-Jin Dong, Ju-Yong Park, Jin-Seong Bae, et al.
🏆 Outstanding Paper Award
Korean Multimedia Society 2024 (Poster)
Comparison of Recycling Waste Awareness Performance by Transfer Learning Model
Dong-hyuk Kim, Changmin Lee, et al.

Projects

Graduate and undergraduate work. PBL denotes Project-Based Learning program courses.

Graduate

Dependency-Aware Compensation Scheduling for Multi-Step AI Agent Workflows

Co-developed DACS, a user-space scheduler compensating for dependency-induced and I/O-induced waiting in heterogeneous AI agent workflows on NVIDIA Jetson Orin Nano.

Systems AI Agents Edge AI Fall 2025

Personalized Mixture-of-Experts Model for User-Specific Adaptation

Developed a MoE-based personalized adaptation model as part of the LG Electronics HS Future Technology Project.

MoE Personalization Jun–Sep 2025

Human Action Recognition with YOLO-Pose and CNN-GCN Fusion

Led development of an end-to-end pipeline for person detection, pose estimation, and four-class action recognition. CNN-GCN fusion achieved CodaLab score 0.89.

Computer Vision Pose Estimation GCN Spring 2025

Cutting Tool Dynamic Characteristics Prediction

Predicted dynamic characteristics of machining tools from cutting-process images.

Industry-Academic Mentoring AI Novatus Academia (Gyeongnam), 6th Cohort Jun–Sep 2025

Strawberry Smart Farm Growth Cycle Prediction

Growth cycle classification model for smart-farm strawberry cultivation management.

Industry-Academic Mentoring AI Novatus Academia (Ulsan), 8th Cohort Sep–Dec 2025

Vacuum Cleaner Personalization Pipeline

Designed and implemented a personalization pipeline for LG vacuum cleaner user scenarios.

Industry-Academic Mentoring LG Electronics DIC Program PBL Aug–Sep 2025
Undergraduate

Face Recognition Entry Logging System

Real-time face recognition and entry logging system using Raspberry Pi, DeepFace, and Flask for solitary death prevention. FaceNet512 achieved 94.8% accuracy.

Computer Vision Raspberry Pi Sep–Dec 2024

MCTCheXFormer

Hybrid CNN-Transformer for multi-label chest X-ray classification using multi-class token refinement.

Medical AI Vision Transformer Dec 2023–Sep 2024

Recycling Waste Recognition

Benchmarked YOLOv8, YOLOv9, RT-DETR for recycling waste detection. Poster at Korean Multimedia Society.

Computer Vision Transfer Learning Mar–Jun 2024

Smart Table Clock

Arduino-based smart clock with LCD widgets, Daegu bus API, and Wi-Fi web control.

Arduino IoT Sep–Dec 2023

Remote File Explorer

Terminal-based remote file transfer in C with Linux-style commands and curses UI.

C Systems Mar–Jun 2023