Hyeongheon Cha 🍓

I am a Ph.D. student in Mobile Intelligence & Interaction Lab at Korea Advanced Institute of Science and Technology (KAIST), advised by professor Sung-Ju Lee. I am currently a research intern at Microsoft Research Asia (2025-2026), advised by professor Lili Qiu. I was a research intern at InBody (2020), and I received my B.S. in Electrical Engineering from KAIST with Magna Cum Laude.

Passionate about developing on-device AI solution, aim to create cutting-edge, adaptable, and efficient software for real-world environments.

Please reach out to collaborate 😃

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Interests
  • On-device Artificial Intelligence
  • Efficient Model Adaptation
  • Physical AI
  • Mobile Sensing
Education
  • MS & PhD in Electrical Engineering

    Korea Advanced Institute of Science and Technology (KAIST)

  • BS in Electrical Engineering

    Korea Advanced Institute of Science and Technology (KAIST)

News
  • Apr. 2026 ✈️ ICLR '26 @ Rio de Janeiro, Brazil (Apr. 23 - 27)
  • Feb. 2026 🌟 Won Stars of Tomorrow award at Microsoft Research Asia
  • Jan. 2026 🌟 Invited Talk at Hyperconnect AI (Thesis: TTA for Clients)
  • Jan. 2026 📝 Our paper 'Beyond Hearing' is accepted at ICLR '26
  • Nov. 2025 🌟 Won First Place at Microsoft Global Hackathon 2025
  • Oct. 2025 📝 First author paper 'SNAP' is accepted at NeurIPS '25
  • Mar. 2025 📝 Our paper 'From Vision to Motion' is accepted at IEEE TMC
  • Jul. 2025 📚 Research Internship at Microsoft Research Asia, Shanghai, China
  • Jan. 2025 🌟 Recieved Inseong (Character) Scholarship at KAIST
  • Jun. 2024 ✈️ MobiSys '24 @ Tokyo, Japan (Jun. 3 - 7)
  • Jun. 2024 🌟 Graduate Student Council President of KAIST EE
  • Apr. 2024 📝 First author poster 'TESLA' accepted at MobiSys '24
  • Aug. 2023 📝 Submitted paper 'Sherlock'
  • Mar. 2022 📚 Joined Mobile Intelligence & Interaction Lab at KAIST
  • Feb. 2022 📚 Received B.S. degree at KAIST with Magna Cum Laude
  • Aug. 2020 📚 Research Internship (Team leader) at InBody.co., Seoul, Korea
Projects
Beyond Hearing: Learning Task-agnostic ExG Representations from Earphones via Physiology-informed Tokenization
Beyond Hearing: Learning Task-agnostic ExG Representations from Earphones via Physiology-informed Tokenization

A task-agnostic ExG representation learning project that scales everyday sensing with physiology-informed tokenization

Jan 15, 2026

SNAP: Low-Latency Test-Time Adaptation with Sparse Updates
SNAP: Low-Latency Test-Time Adaptation with Sparse Updates

A sparse test-time adaptation framework that significantly reduces adaptation latency while preserving accuracy on edge devices

Oct 1, 2025

On-device Efficient DNN Adaptation Framework for Real-time Applications
On-device Efficient DNN Adaptation Framework for Real-time Applications

Exploring model adaptation methods that enable real-time inference on extremely resource-constrained devices

Apr 27, 2024

Translating Large-Scale Knowledge for Data-Scarce IMU Applications
Translating Large-Scale Knowledge for Data-Scarce IMU Applications

Adapts pre-trained representation from large-scale images to diverse IMU sensing tasks

Feb 27, 2024

Drone/Smartphone based Hidden Camera Detection System
Drone/Smartphone based Hidden Camera Detection System

Exploring mobile system that uses a flickering flashlight and the rolling shutter effect to quickly detect hidden cameras amidst rising illegal filming crimess

Oct 25, 2023

Domain-aware Contrastive Federated Learning in Extreme Non-iid Conditions
Domain-aware Contrastive Federated Learning in Extreme Non-iid Conditions

Addressed the extreme noniid scenario, where the classification label and features are simultaneously non-iid via Domain-aware Contrastive Federated Learning with Major Domain Group Selection

Oct 23, 2023

Mobile ad hoc network (MANET) Technology for Micro-Scale Cluster Robots
Mobile ad hoc network (MANET) Technology for Micro-Scale Cluster Robots

Developing MANET distributed resource allocation algorithms, routing protocols, and routing metrics suitable for cluster robot operation

Feb 11, 2023

Automatic Stethoscope based Blood Pressure Measuring Chair System
Automatic Stethoscope based Blood Pressure Measuring Chair System

Developed prototype chair with a tablet app, featuring AI-based heart height estimation, BLE-controlled laser and motor, and cloud server measurement management.

Dec 1, 2020

Publications
(2025). Beyond Hearing: Learning Task-agnostic ExG Representations from Earphones via Physiology-informed Tokenization. ICLR ‘26.
(2025). SNAP: Low-Latency Test-Time Adaptation with Sparse Updates. The Thirty-Ninth Annual Conference on Neural Information Processing Systems (NeurIPS ‘25).
(2024). From Vision to Motion: Translating Large-Scale Knowledge for Data-Scarce IMU Applications. IEEE Transactions on Mobile Computing.
(2023). Sherlock: Automated Hidden Camera Detection with Shutter Speed Adaptation. Preprints.
Professional Experiences

07/2025 – 01/2026

Microsoft Resarch Asia, Wireless Communication and Sensing Group (Mentor: Lili Qiu)

Research Intern

Shanghai, China

02/2021 – 02/2022

KAIST, Mobile Intelligence & Interaction Lab

Undergraduate Research Intern

Daejeon, Republic of Korea

02/2020 – 08/2020

InBody Co., Future Innovation Team

Research Intern

Seoul, Republic of Korea

08/2019 – 09/2019

KAIST, Smart and Mobile System Lab

Individual Research Intern

Daejeon, Republic of Korea

Leadership Experiences

2024 – 2024

Graduate Student Council President

KAIST School of Electrical Engineering

2020 – 2020

Team Leader

InBody Co., Future Innovation Team

2018 – 2019

Undergraduate Student Council President

KAIST School of Electrical Engineering

2018 – 2019

Freshman Program Designer

Korea Institute of Science and Technology

Design and operate special classes and programs for KAIST freshmen

Honors

2026

Stars of Tomorrow Award

Microsoft Research Asia

2022

Magna Cum Laude

Korea Advanced Institute of Science and Technology

2019

Noyeop Cultural Foundation Scholarship

Noyeop Cultural Foundation

One person per department, provided until graduation

2017

Dean's list

Korea Advanced Institute of Science and Technology

Outstanding student in the department

Skills

Programming — Python, C, C++, Java

Machine Learning — Pytorch, Tensorflow, Tensorflow Lite

Hardware Prototyping — Arduino, RaspberryPi, Qorvo

Network Simulation — NS3 simulator