Publications

* indicates co-first authors.

2026

viNPU: Optimizing Vision Transformer Inference on Mobile NPUs
Jeho Lee, Gunjoong Kim, Chanyoung Jung, Jaehee Kim, Seonghoon Park, Hojung Cha
ACM EuroSys 2026, to appear (Acceptance rate: 18.5% for the fall round)

3DGS on Your Phone: Towards Fully Immersive Mobile Volumetric Video Streaming
Gunjoong Kim*, Seonghoon Park*, Jeho Lee, Chanyoung Jung, Hyungchol Jun, and Hojung Cha
ACM GetMobile, to appear (Invited Research Highlight)

VFM in Your Hands: Optimizing Real-Time Scene Understanding for Mobile Augmented Reality
Jeho Lee*, Chanyoung Jung*, Gunjoong Kim, Jiwon Kim, Seonghoon Park, and Hojung Cha
ACM GetMobile, Vol. 29, No. 4 (Invited Research Highlight)
[Paper]

2025

EOS: Energy-Optimized Super-Resolution on Mobile Devices for Live 360-Degree Videos
Seonghoon Park, Minchan Kim, Hyejin Park, Jeho Lee, Jiwon Kim, and Hojung Cha
ACM MobiCom 2025 (Acceptance rate: 10.3% for the winter round)
[Paper] [Video]

Vega: Fully Immersive Mobile Volumetric Video Streaming with 3D Gaussian Splatting
Gunjoong Kim*, Seonghoon Park*, Jeho Lee, Chanyoung Jung, Hyungchol Jun, and Hojung Cha
ACM MobiCom 2025 (Acceptance rate: 10.3% for the winter round)
[Paper] [Video]

Duration-Aware Sound Event Detection on Ultra-Low-Power Sensor Devices
Seonghoon Park, Junick Ahn, Daeyong Kim, and Hojung Cha
ACM Transactions on Embedded Computing Systems, Vol. 24, No. 6
[Paper]

Ember: Task Wakeup Sequence–Based Energy Optimization for Mobile Web Browsing
Seonghoon Park, Jiwon Kim, Jeho Lee, and Hojung Cha
ACM EMSOFT 2025 (Acceptance rate: 27%)
ACM Transactions on Embedded Computing Systems, Vol. 24, No. 5s
[Paper]

ARIA: Optimizing Vision Foundation Model Inference on Heterogeneous Mobile Processors for Augmented Reality
Chanyoung Jung*, Jeho Lee*, Gunjoong Kim, Jiwon Kim, Seonghoon Park, and Hojung Cha
ACM MobiSys 2025 (Acceptance rate: 18.0%)
🏆 Best Paper Award!
[Paper] [Video]

2024

Vulture: Cross-Device Web Experience with Fine-Grained Graphical User Interface Distribution
Seonghoon Park, Jiwon Kim, Jeho Lee, and Hojung Cha
IEEE INFOCOM 2024 (Acceptance rate: 19.6%)
[Paper] [Demo]

2023

OmniLive: Super-Resolution Enhanced 360° Video Live Streaming for Mobile Devices
Seonghoon Park*, Yeonwoo Cho*, Hyungchol Jun, Jeho Lee, and Hojung Cha
ACM MobiSys 2023 (Acceptance rate: 20.7%)
[Paper] [Teaser]

Crow API: Cross-device I/O Sharing in Web Applications
Seonghoon Park, Jeho Lee, and Hojung Cha
IEEE INFOCOM 2023 (Acceptance rate: 19.2%)
[Paper]

2022

Optimizing Energy Consumption of Mobile Games
Yonghun Choi, Seonghoon Park, Seunghyeok Jeon, Rhan Ha, and Hojung Cha
IEEE Transactions on Mobile Computing, Vol. 21, No. 10
[Paper]

2021

WebMythBusters: An In-depth Study of Mobile Web Experience
Seonghoon Park, Yonghun Choi, and Hojung Cha
IEEE INFOCOM 2021 (Acceptance rate: 19.7%)
[Paper]

GAZEL: Runtime Gaze Tracking for Smartphones
Joonbeom Park, Seonghoon Park, and Hojung Cha
IEEE PerCom 2021 (Acceptance rate: 10.6% for full papers)
[Paper]

2019

Optimizing Energy Efficiency of Browsers in Energy-Aware Scheduling-Enabled Mobile Devices
Yonghun Choi, Seonghoon Park, and Hojung Cha
ACM MobiCom 2019 (Acceptance rate: 19.0%)
[Paper] [Video]

Graphics-Aware Power Governing for Mobile Devices
Yonghun Choi, Seonghoon Park, and Hojung Cha
ACM MobiSys 2019 (Acceptance rate: 22.7%)
[Paper] [Video]