Publications
OpenCowID: Zero-Shot Visual Identification of Dairy Cows
Omkar Prabhune and Younghyun Kim
Winter Conference on Applications of Computer Vision (WACV), 2026
Energy-Conscious Bitrate Selection and Budget Allocation for Live Video Transcoding Systems Using Deep Reinforcement Learning
Kyeongmin Kim, Younghyun Kim, and Minseok Song
Future Generation Computer Systems, 2025
Celebrating Three Decades of IEEE/ACM International Symposium on Low Power Electronics and Design
Kapil Dev, Jerald Yoo, Younghyun Kim, and Srividhya Venkataraman
IEEE Design & Test, 2025
MooBot: RAG-based Video Querying System for Dairy Cattle Behavior and Health Insights
Unmesh Raskar, Omkar Prabhune, Hien Vu and Younghyun Kim
Computer Vision for Animal Behavior Tracking and Modeling (CV4Animals) Workshop, 2025
🌟 Spotlight Poster
MmCows: A Multimodal Dataset for Dairy Cattle Monitoring
Hien Vu, Omkar Chandrakant Prabhune, Unmesh Raskar, Dimuth Panditharatne, Hanwook Chung, Christopher Choi and Younghyun Kim
Conference on Neural Information Processing Systems (NeurIPS), 2024
Energy Budget-Aware Video Quality Management in Transcoding Servers using Deep Reinforcement Learning under Dynamic Popularity Change
KyeongMin Kim, Younghyun Kim and Minseok Song
International Green and Sustainable Computing Conference (IGSC), 2024
🏆 Best Paper Award
Platform Design for Privacy-Preserving Federated Learning using Homomorphic Encryption
Hokeun Kim, Younghyun Kim and Hoeseok Yang
Forum on Specification & Design Languages (FDL), 2024
I see an IC: A Mixed-Methods Approach to Study Human Problem-Solving Processes in Hardware Reverse Engineering
René Walendy, Markus Weber, Jingjie Li, Steffen Becker, Carina Wiesen, Malte Elson, Younghyun Kim, Kassem Fawaz, Nikol Rummel and Christof Paar
Conference on Human Factors in Computing Systems (CHI), 2024
Exploring the Interplay between Interaction Experience and Security Perception of Payment Authentication in Virtual Reality
Jingjie Li, Sunpreet Singh Arora, Kassem Fawaz, Younghyun Kim, Can Liu, Sebastian Meiser, Mohsen Minaei, Maliheh Shirvanian and Kim Wagner
Conference on Virtual Reality and 3D User Interfaces Abstracts and Workshops (VRW), 2024
Content-aware Input Scaling and Deep Learning Computation Offloading for Low-latency Embedded Vision
Omkar Prabhune, Tianen Chen and Younghyun Kim
Conference on Computer Vision and Pattern Recognition Embedded Vision Workshop (CVPR EVW), 2024
Subcutaneous Temperature Monitoring through Ear Tag for Heat Stress Detection in Dairy Cows
Hanwook Chung, Hien Vu, Younghyun Kim and Christopher Y. Choi
Biosystems Engineering, 2023
Advancing Cattle Welfare: Ultra Low-power Health Monitoring at the Edge
Yigit Tuncel, Toygun Basaklar, Mackenzie Smithyman, João Dórea, Vinícius Nunes De Gouvêa, Younghyun Kim and Umit Ogras
Biomedical Circuits and Systems Conference (BioCAS), 2023
eTag: An Energy-Neutral Ear Tag for Real-Time Body Temperature Monitoring of Dairy Cattle
Hien Vu, Hanwook Chung, Christopher Y. Choi and Younghyun Kim
International Conference on Mobile Computing And Networking (MobiCom), 2023
Cost-effective, Quality-oriented Transcoding of Live-streamed Video on Edge-servers
Dayoung Lee, Younghyun Kim and Minseok Song
IEEE Transactions on Services Computing (IEEE TCS), 2023
It's up to the Consumer to be Smart: Understanding the Security and Privacy Attitudes of Smart Home Users on Reddit
Jingjie Li, Kaiwen Sun, Brittany Skye Huff, Anna Marie Bierley, Younghyun Kim, Florian Schaub and Kassem Fawaz
Symposium on Security and Privacy (S&P), 2023
Towards Smart Cattle Farms: Automated Inspection of Cattle Health with Real-Life Data
Yigit Tuncel, Toygun Basaklar, Mackenzie Smithyman, João Dórea, Vinícius Nunes De Gouvêa, Younghyun Kim and Umit Ogras
Design Automation and Test in Europe (DATE), 2023
Latent Weight-based Pruning for Small Binary Neural Networks
Tianen Chen, Noah Anderson and Younghyun Kim
Asia South Pacific Design Automation Conference (ASP-DAC), 2023
Indoor-monitoring LiDAR Sensor for Alzheimer Patients Residing in Long-term Care Facilities
Ji-Eun Joo, Yu Hu, Sujin Kim, Hyunji Kim, Sunyoung Park, Ji-Hoon Kim, Younghyun Kim and Sung Min Park
Sensors, 2022
A Domain-specific System-on-chip Design for Energy Efficient Wearable Edge AI Applications
Yigit Tuncel, Anish Krishnakumar, Aishwarya Lekshmi Chithra, Younghyun Kim and Umit Ogras
International Symposium on Low Power Electronics and Design (ISLPED), 2022
uBrain: A Unary Brain Computer Interface
Di Wu, Jingjie Li, Zhewen Pan, Younghyun Kim and Joshua San Miguel
International Symposium on Computer Architecture (ISCA), 2022
Establishing Trust in Vehicle-to-vehicle Coordination: A Sensor Fusion Approach
Jakob Veselsky, Jack West, Isaac Ahlgren, Abinav Goel, Wenxin Jiang, Kyuin Lee, Younghyun Kim, James C. Davis, George K. Thiruvathukal and Neil Klingensmith
Workshop on Data-Driven and Intelligent Cyber-Physical Systems for Smart Cities (DI-CPS), 2022
AeroKey: Using Ambient Electromagnetic Radiation for Secure and Usable Wireless Device Authentication
Kyuin Lee, Yucheng Yang, Omkar Prabhune, Aishwarya Lekshmi Chithra, Jack West, Kassem Fawaz, Neil Klingensmith, Suman Banerjee and Younghyun Kim
Proceedings of the ACM on Interactive, Wearable and Ubiquitous Technologies (ACM IMWUT), 2022
SynthNet: A High-throughput yet Energy-efficient Combinational Logic Neural Network
Tianen Chen, Taylor Kemp and Younghyun Kim
Asia South Pacific Design Automation Conference (ASP-DAC), 2022
Dual-line Data Collection Scheme for Efficient Mobile Sink Operation in Solar-Powered Wireless Sensor Network
Seungwoo Lee, Minjae Kang, Younghyun Kim, Ikjune Yoon and Dong Kun Noh
International Green and Sustainable Computing Conference (IGSC), 2021
Balancing Security and Usability of Zero-interaction Pairing and Authentication for the Internet-of-Things
Kyuin Lee and Younghyun Kim
Workshop on CPS & IoT Security and Privacy (CPSIoTSec), 2021
PEDRO: Secure Pedestrian Mobility Verification in V2P Communication using COTS Mobile Devices
Yucheng Yang, Kyuin Lee, Younghyun Kim and Kassem Fawaz
Workshop on CPS & IoT Security and Privacy (CPSIoTSec), 2021
UNO: Virtualizing and Unifying Nonlinear Operations for Emerging Neural Networks
Di Wu, Jingjie Li, Setareh Behroozi, Younghyun Kim and Joshua San Miguel
International Symposium on Low Power Electronics and Design (ISLPED), 2021
🏆 Speical Issue on IEEE Micro Top Picks
uGEMM: Unary Computing for GEMM Applications
Di Wu, Jingjie Li, Ruokai Yin, Hsuan Hsiao, Younghyun Kim and Joshua San Miguel
IEEE Micro, 2021
Kalεido: Real-Time Privacy Control for Eye-Tracking Systems
Jingjie Li, Amrita Roy Chowdhury, Kassem Fawaz and Younghyun Kim
USENIX Security Symposium (Security), 2021
Moonshine: An Online Randomness Distiller for Zero-Involvement Authentication
Jack West, Kyuin Lee, Suman Banerjee, Younghyun Kim, George K. Thiruvathukal and Neil Klingensmith
International Conference on Information Processing in Sensor Networks (IPSN), 2021
Scheduling of Iterative Computing Hardware Units for Accuracy and Energy Efficiency
Setareh Behroozi, Yao Yao, Hoeseok Yang and Younghyun Kim
International Symposium on Circuits and Systems (ISCAS), 2021
HW/SW Framework for Improving the Safety of Implantable and Wearable Medical Devices
Malin Prematilake, Younghyun Kim, Vijay Raghunathan, Anand Raghunathan and Niraj K. Jha
arXiv preprint arXiv:2103.01781, 2021
MIPAC: Dynamic Input-Aware Accuracy Control for Dynamic Auto-Tuning of Iterative Approximate Computing
Taylor Kemp, Yao Yao and Younghyun Kim
Asia South Pacific Design Automation Conference (ASP-DAC), 2021
AxFTL: Exploiting Error Tolerance for Extending Lifetime of NAND Flash Storage
Yongwoo Lee, Jaehyun Park, Junhee Ryu and Younghyun Kim
International Conference on Compilers, Architecture, and Synthesis for Embedded Systems (CASES), 2020
Efficient FEC Scheme for Solar-Powered WSNs Considering Energy and Link-Quality
Gun Wook Gil, Minjae Kang, Younghyun Kim, Ikjune Yoon and Dong Kun Noh
Energies, 2020
Solar-CTP: An Enhanced CTP for Solar-Powered Wireless Sensor Networks
Seok Hyun Cheong, Minjae Kang, Younghyun Kim, Minho Park, Jinho Park and Dong Kun Noh
IEEE Access, 2020
Energy-Efficient Cluster Management Using a Mobile Charger for Solar-Powered Wireless Sensor Networks
Youngjae Son, Minjae Kang, Younghyun Kim, Ikjune Yoon and Dong Kun Noh
Sensors, 2020
ivPair: Context-Based Fast Intra-Vehicle Device Pairing for Secure Wireless Connectivity
Kyuin Lee, Neil Klingensmith, Dong He, Suman Banerjee and Younghyun Kim
Conference on Security and Privacy in Wireless and Mobile Networks (WiSec), 2020
Using Implantable Biosensors and Wearable Scanners to Monitor Dairy Cattle's Core Body Temperature in Real-Time
Hanwook Chung, Jingjie Li, Younghyun Kim, Jennifer Van Os, Sabrina Brounts and Christopher Choi
Computers and Electronics in Agriculture, 2020
🏆 Micro Top Pick
uGEMM: Unary Computing Architecture for GEMM Applications
IEEE Micro Top Pick
International Symposium on Computer Architecture (ISCA), 2020
Approximate Hardware Techniques for Energy-Quality Scaling Across the System
Younghyun Kim, Joshua San Miguel, Setareh Behroozi, Tianen Chen, Kyuin Lee, Yongwoo Lee, Jingjie Li and Di Wu
International Conference on Electronics, Information, and Communication (ICEIC), 2020
MicPrint: Acoustic Sensor Fingerprinting for Spoof-Resistant Mobile Device Authentication
Yongwoo Lee, Jingjie Li and Younghyun Kim
International Conference on Mobile and Ubiquitous Systems: Computing, Networking and Services (MobiQuitous), 2019
Velody: Nonlinear Vibration Challenge-Response for Resilient User Authentication
Jingjie Li, Kassem Fawaz and Younghyun Kim
Conference on Computer and Communications Security (CCS), 2019
VoltKey: Continuous Secret Key Generation based on Power Line Noise for Zero-Involvement Pairing and Authentication
Kyuin Lee, Neil Klingensmith, Suman Banerjee and Younghyun Kim
Proceedings of the ACM on Interactive, Wearable and Ubiquitous Technologies (ACM IMWUT), 2019
SAADI-EC: A Quality-Configurable Approximate Divider for Energy Efficiency
Jackson Melchert, Setareh Behroozi, Jingjie Li and Younghyun Kim
IEEE Transactions on VLSI Systems (IEEE TVLSI), 2019
SECO: A Scalable Accuracy Approximate Exponential Function via Cross-Level Optimization
Di Wu, Tianen Chen, Chien-Fu Chen, Oghenefego Ahia, Joshua San Miguel, Mikko Lipasti and Younghyun Kim
International Symposium on Low Power Electronics and Design (ISLPED), 2019
Fast Pareto Front Exploration for Design of Reconfigurable Energy Storage
Dawon Park and Younghyun Kim
IEEE Transactions on Computer-Aided Design of Integrated Circuits and Systems (IEEE TCAD), 2019
A Hypervisor-Based Privacy Agent for Mobile and IoT Systems
Neil Klingensmith, Younghyun Kim and Suman Banerjee
International Workshop on Mobile Computing Systems and Applications (HotMobile), 2019
SAADI: A Scalable Accuracy Approximate Divider for Dynamic Energy-Quality Scaling
Setareh Behroozi, Jingjie Li, Jackson Melchert and Younghyun Kim
Asia South Pacific Design Automation Conference (ASP-DAC), 2019
Continuous and Wireless Skin Contact and Ear Implant Temperature Measurements and Relations to the Core Body Temperature of Heat Stressed Dairy Cows
Hanwook Chung, Jingjie Li, Mario Mondaca, Younghyun Kim and Christopher Y. Choi
International Livestock Environment Symposium (ILES), 2018
SyncVibe: Fast and Secure Device Pairing through Physical Vibration on Commodity Smartphones
Kyuin Lee, Vijay Raghunathan, Anand Raghunathan and Younghyun Kim
International Conference on Computer Design (ICCD), 2018
A Quality-Configurable Approximate Serial Bus for Energy-Efficient Sensory Data Transfer
Setareh Behroozi, Vijay Raghunathan, Anand Raghunathan and Younghyun Kim
IEEE Journal on Emerging and Selected Topics in Circuits and Systems (IEEE JETCAS), 2018
CamPUF: Physically Unclonable Function based on CMOS Image Sensor Fixed Pattern Noise
Younghyun Kim and Yongwoo Lee
Design Automation Conference (DAC), 2018
🏆 ISLPED 2018 Low-Power Design Contest Award
AxSerBus: A Quality-Configurable Approximate Serial Bus for Energy-Efficient Sensing
Younghyun Kim, Setareh Behroozi, Vijay Raghunathan and Anand Raghunathan
International Symposium on Low Power Electronics and Design (ISLPED), 2017
Design and Management of Battery-Supercapacitor Hybrid Electrical Energy Storage Systems for Regulation Services
Younghyun Kim, Vijay Raghunathan and Anand Raghunathan
IEEE Transactions on Multi-Scale Computing Systems (IEEE TMSCS), 2017
🏆 Best Paper Candiate, 🏆 ISLPED 2017 Low-Power Design Contest Award
TeleProbe: Zero-power Contactless Probing for Implantable Medical Devices
Woo Suk Lee, Younghyun Kim and Vijay Raghunathan
International Symposium on Low Power Electronics and Design (ISLPED), 2016
Energy-Efficient System Design for IoT Devices
Hrishikesh Jayakumar, Arnab Raha, Younghyun Kim, Soubhagya Sutar, Woo Suk Lee and Vijay Raghunathan
Asia South Pacific Design Automation Conference (ASP-DAC), 2016
Vibration-based Secure Side Channel for Medical Devices
Younghyun Kim, Woo Suk Lee, Vijay Raghunathan, Niraj K. Jha and Anand Raghunathan
Design Automation Conference (DAC), 2015
Efficiency-Driven Design Time Optimization of a Hybrid Energy Storage System with Networked Charge Transfer Interconnect
Qing Xie, Younghyun Kim, Donkyu Baek, Yanzhi Wang, Massoud Pedram and Naehyuck Chang
Design Automation and Test in Europe (DATE), 2015
Single-Source, Single-Destination Charge Migration in Hybrid Electrical Energy Storage Systems
Yanzhi Wang, Xue Lin, Younghyun Kim, Qing Xie, Massoud Pedram and Naehyuck Chang
IEEE Transactions on VLSI Systems (IEEE TVLSI), 2014
Principles and Efficient Implementation of Charge Replacement in Hybrid Electrical Energy Storage Systems
Qing Xie, Younghyun Kim, Yanzhi Wang, Jaemin Kim, Naehyuck Chang and Massoud Pedram
IEEE Transactions on Power Electronics (IEEE TPE), 2014
Design and Management of Hybrid Electrical Energy Storage Systems for Regulation Services
Younghyun Kim, Anand Raghunathan and Vijay Raghunathan
International Green Computing Conference (IGCC), 2014
Powering the Internet of Things
Hrishikesh Jayakumar, Kangwoo Lee, Woo Suk Lee, Arnab Raha, Younghyun Kim and Vijay Raghunathan
International Symposium on Low Power Electronics and Design (ISLPED), 2014
Architecture and Control Algorithms for Combating Partial Shading in Photovoltaic Systems
Yanzhi Wang, Xue Lin, Younghyun Kim, Naehyuck Chang and Massoud Pedram
IEEE Transactions on Computer-Aided Design of Integrated Circuits and Systems (IEEE TCAD), 2014
🏆 ISLPED 2012 Low-Power Design Contest Award
A Scalable and Flexible Hybrid Energy Storage System Design and Implementation
Younghyun Kim, Jason Koh, Qing Xie, Yanzhi Wang, Naehyuck Chang and Massoud Pedram
Journal of Power Sources, 2014
Storage-less and Converter-less Maximum Power Point Tracking of Photovoltaic Cells for a Nonvolatile Microprocessor
Cong Wang, Naehyuck Chang, Younghyun Kim, Sangyoung Park, Yongpan Liu, Hyunggyu Lee, Rong Luo and Huazhong Yang
Asia South Pacific Design Automation Conference (ASP-DAC), 2014