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hongzzang-Lab/README.md

Jeong-min Hong 👋

Typing SVG

AI & Robotics undergraduate @ Kwangwoon University
GIST AILAB Summer Research Intern · EASY Lab Undergraduate Researcher


👋 About Me

I am an AI & Robotics undergraduate interested in turning perception and intelligence into systems that work in the physical world.

My technical path has expanded from sensor control → Vision AI → Edge AI → Physical AI, and I have worked across assistive robotics, sign-language recognition, edge navigation, embodied AI, balancing-robot hardware and control, and accessibility-aware mobility systems.

Current Interest — Rescue Robotics (구조로봇)
I am currently especially interested in rescue robots that must perceive, navigate, and make robust decisions in uncertain disaster environments.

🔭 Current Focus

  • GIST AILAB — Summer Research Intern
    Visual Room Rearrangement / Embodied AI research, exploring action-level verification before object-pose-changing actions are executed.

  • Gilbut AI — Team Leader
    Accessibility-aware mobility service with personalized route scoring using walking ability, stairs, mobility aids, transfers, obstacles, and weather.

  • EASY Lab — Undergraduate Researcher
    Research interests spanning Vision AI, Edge AI, distributed intelligence


🔬 Research & Exploration

Embodied AI · Action-level Verification

At GIST AILAB, I am exploring verification methods for Visual Room Rearrangement: checking whether a planner-selected object-pose-changing action may create a new misplaced object before execution.

Smart Chain Research Seminar · UAV Swarm

At EASY Lab, I reviewed and simulated research ideas around:

  • distributed LLM inference in UAV Swarm environments
  • model/workload distribution across multiple edge nodes
  • Node Failure recovery and fallback structures
  • decentralized Edge AI as an alternative to single-server dependence

This research seminar is currently paused while I am participating in the GIST internship.

Robust Sign Language Recognition

Following the Sign Angel project and KCI publication, I am continuing exploration of robust Korean sign-language recognition under noise and occlusion, including domain-informed landmark feature engineering.


🚀 Selected Projects

Real-time safety navigation for pedestrians and mobility-impaired users.

YOLOv11n-seg · NCNN · Raspberry Pi 5 · IPM · OSMnx · Gemini · Edge AI

  • YOLO/NCNN-based edge perception
  • IPM-based real-world distance estimation
  • OSMnx pedestrian routing and risk-aware path recommendation

🤟 Sign Angel

Emergency sign-language communication system for disaster situations.

MediaPipe · 347D Landmark Features · Bi-LSTM · FastAPI · LLM

  • Designed 347-dimensional landmark feature engineering
  • Built Bi-LSTM sign-language recognition pipeline
  • Accuracy 90.00%, F1-Score 89.11%
  • Expanded into a KCI first-author publication

Assistive mobile robot for visually impaired users.

Arduino · IR Sensor · Ultrasonic Sensor · PWM

  • Line-tracing based mobility assistance
  • Obstacle detection and motor control

⚙️ SEGWAY — Two-Wheel Balancing Robot

Two-wheel balancing robot designed, physically fabricated, and stabilized with IMU-based cascaded PID control.

Autodesk Inventor · DC Gear Motor · IMU · Cascaded PID Control · Mechanical Design

  • Designed the complete two-wheel robot hardware structure in Autodesk Inventor
  • Created custom base, side, and insert plates around the DC gear-motor drive layout
  • Fabricated and assembled the physical robot platform based on the CAD design
  • Integrated IMU feedback for real-time attitude estimation
  • Implemented the inner loop of a cascaded PID controller and achieved successful two-wheel balance stabilization
  • Source repository is private; project details are summarized here without exposing the repository

Terrain-aware exploration robot project.

RealSense RGB-D · IMU · BEV · Costmap · A* · Inventor

  • Role: Robotics System Engineer — Vision & Mechanical Design
  • RGB-D/IMU terrain perception and mapping
  • Costmap/A* planning structure
  • Mechanical probe and frame design

AI-powered hairstyle recommendation system.


📄 Publication

First Author · Journal of the Institute of Electronics and Information Engineers
Vol. 63, No. 1, pp. 81–88 · Jan. 2026

  • MediaPipe-based 347-dimensional feature engineering
  • Bi-LSTM sign-language recognition
  • Accuracy 90.00% · F1-Score 89.11%
  • LLM-based emergency message generation using situational context

🧑‍🏫 Mentoring & Leadership

  • AI 티키타카 Mentor — selected as an AI mentoring program mentor and currently participating in mentoring activities.
  • Physics Foundation Mentor — mentoring undergraduate students in foundational physics learning.

🏆 Highlights

Year Achievement
2026 🔬 GIST AILAB Summer Research Internship · Embodied AI
2026 🎓 KT 디지털인재장학생
2026 🏆 파이썬 SW 활용 경진대회 최우수상 · M.O.S
2026 📄 KCI Journal Publication · First Author
2025 🏆 H.O.P.E. 창의보조공학 경진대회 최우수상 · Sign Angel
2024 🏅 창의공학설계 창의상 · SEAL

🛠️ Tech Stack

Tech stack below follows the technologies listed in my current CV.

Category Technologies
Hardware / MCU STM32 · ATmega128 · Raspberry Pi 5 · Arduino
Vision / AI MediaPipe · YOLO · NCNN · LLM
Control / Sensor PID · Kalman Filter · Moving Average Filter · PWM · UART
Languages Python · C

📊 GitHub Activity


Jeong-min Hong's GitHub contribution heatmap

🤝 Affiliations & Collaboration

  • GIST AILAB — Summer Research Internship · Embodied AI / Visual Room Rearrangement
  • EASY Lab — Undergraduate Researcher · Vision AI / Edge AI / distributed intelligence
  • Gilbut2026 — KT Digital Talent accessibility-aware mobility project
  • TERRA128 — terrain-aware Physical AI / robotics project
  • HOPE-SL-Partner — Sign Angel project organization

📫 Connect

GitHub · @hongzzang-Lab

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