Curriculum Vitae - Jong Hwan Ko Page 1 of 7. Jong Hwan Ko

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1 Curriculum Vitae - Jong Hwan Ko Page 1 of 7 Jong Hwan Ko Graduate Research Assistance School of Electrical and Computer Engineering Georgia Institute of Technology Atlanta, Georgia jonghwan.ko@gatech.edu Tel: RESEARCH INTERESTS Energy-efficient neural network design, Low-power wireless video sensor systems, Timing error prevention techniques EDUCATION Ph.D. Electrical and Computer Engineering Aug Present Georgia Institute of Technology, Atlanta, Georgia (Expected graduation: Spring 2018) Thesis Advisor: Dr. Saibal Mukhopadhyay M.S. Electrical Engineering and Computer Science Mar Feb B.S. Mechanical and Aerospace Engineering Mar Feb Double Major in Computer Science and Engineering Graduated with honor (Cum Laude) RESEARCH EXPERIENCE Research Intern May Aug Microsoft Research (Audio and Acoustics Group/Mobile and Networking Group), Redmond, Washington Designing efficient deep neural networks for speech processing - Implemented binarized neural networks for voice activity detection and speech noise suppression Graduate Research Assistant Aug Present GREEN (Gigascale Reliable Energy Efficient Nanosystem) Laboratory School of Electrical and Computer Engineering, Georgia Institute of Technology, Atlanta, Georgia CAMEL: Camera Adaptation with Embedded Machine Learning based Feedback Control Aug Present - Designed an encoding algorithm to reduce the memory requirement of a neural network - Proposed a frequency-domain training approach of CNNs for time- and energy-efficient training

2 Curriculum Vitae - Jong Hwan Ko Page 2 of 7 OROEB: On-line Real-time Optimal Energy Balancing for a Self-Powered Environment Adaptive Sensor Node Aug Present - Designed a low-power noise-robust moving object detection algorithm - Designed an energy-efficient region-based coding and rate-control approach - Fabricated a test-chip for the self-powered wireless sensor node (using IBM 130nm process) Energy-Efficient Neural Network Design May Present - Designed an encoding algorithm to reduce the memory requirement of a neural network - Proposed a frequency-domain training approach of CNNs for time- and energy-efficient training Timing-Error Prevention Techniques in Pipelines Aug July Implemented automated design flow for applying time-borrowing and clock gating Senior Research Engineer Jan July 2013 Department of Tactical Communications and Networks, Information and Electronic Warfare Division, Daejeon, Korea Tactical Information and Communication Network (TICN) Nov July Proposed enhanced signaling protocols for tactical voice over IP (VoIP) systems - Designed tactical routing protocols and quality of service (QoS) structures Embedded Platform for Soldier s Wireless Personal Area Network Sept July Implemented energy-efficient protocol and embedded platform for communication of unmanned vehicles - Designed - Proposed novel localization algorithms and location-based routing protocols RF Module Development for Tactical Data-Link Systems Aug Sept Participated an offset training program provided by The Boeing Company, USA Spectrum Management and Planning Tool for Coalition Operation Dec Nov Developed a tool for managing the RF spectrum of wireless equipment, as a joint project with the US Army Sensor Network for Surveillance and Reconnaissance Nov Feb Developed a gateway node for interconnection of heterogeneous networks Graduate Research Assistant Mar Feb Memory and Storage Architecture Laboratory, Electrical Engineering and Computer Science Low-Power/High-Performance Flash Memory Controller Mar Feb Designed a filesystem and firmware for a flash memory controller - Implemented a storage simulator using Simulink and analyzed the I/O performance of the system Real-time Scheduler and Execution Time Analysis Tool Mar Sept Developed an S/W for task scheduling of an ECU (engine control unit) Visiting Researcher July Aug Saarland University, Germany Worst Case Execution Time (WCET) Analysis for Real-Time Systems - Participated in a project for WCET analysis tool development

3 Curriculum Vitae - Jong Hwan Ko Page 3 of 7 AWARDS Best Paper Award Aug International Symposium on Low Power Electronics and Design (ISLPED 2016) Grand Prize in the Innovative Research Project Proposal Contest Dec ADD President s Outstanding Achievement Award Aug. 2012, Aug The Best Presentation Award for the Bachelor's Thesis Jan Department of Mechanical and Aerospace Engineering, Seoul National University FELLOWSHIPS ADD President s Graduate Study (PhD) Fellowship ADD President s Graduate Study (Master s) Fellowship Academic Excellence Scholarships Department of Mechanical and Aerospace Engineering, Seoul National University JOURNAL PUBLICATIONS (Since 2015) 1. Jong Hwan Ko, Taesik Na, and Saibal Mukhopadhyay, Classification Aware Wireless Video Sensor Node with a Region-of-Interest Based Rate Controller, IEEE Transactions on Circuits and Systems for Video Technology (TCSVT) in preparation. 2. Jong Hwan Ko, Duckhwan Kim, Taesik Na, and Saibal Mukhopadhyay, Design and Analysis of a Neural Network Inference Engine based on Adaptive Weight Compression, IEEE Transactions on Computer-Aided Design of Integrated Circuits and Systems (TCAD) in review. 3. Jong Hwan Ko, Khondker Zakir Ahmed, Mohammad Faisal Amir, Taesik Na, and Saibal Mukhopadhyay, A Single-Chip Image Sensor Node with Energy Harvesting from a CMOS Pixel Array, IEEE Transactions on Circuits and Systems I (TCAS-I), Taesik Na, Jong Hwan Ko, and Saibal Mukhopadhyay, Clock Data Compensation Aware Digital Circuits Design for Voltage Margin Reduction, IEEE Transactions on Circuits and Systems I (TCAS-I), 2017

4 Curriculum Vitae - Jong Hwan Ko Page 4 of 7 5. Jong Hwan Ko, Burhan A. Mudassar, and Saibal Mukhopadhyay, An Energy-Efficient Wireless Video Sensor Node for Moving Object Surveillance, IEEE Transactions on Multi-Scale Computing Systems (TMSCS), Sep. 2015, Vol. 1, no. 1. CONFERENCE/WORKSHOP PAPERS (Since 2015) 1. Jong Hwan Ko, Josh Fromm, Shuayb Zarar, Matthai Philipose, Ivan Tashev, Design of Efficient Neural Networks for Voice Activity Detection using Bit Precision Control, 43rd International Conference on Acoustic, Speech, and Signal Processing (ICASSP 2018) - in preparation. 2. Taesik Na, Jong Hwan Ko, Jaeha Kung, and Saibal Mukhopadhyay, Adversarial Machine Learning Regularized with a Unified Embedding, Manuscript on Arxiv: (Invited) Jong Hwan Ko, Yun Long, Mohammad Faisal Amir, Duckhwan Kim, Jaeha Kung, Taesik Na, Amit Trivedi, and Saibal Mukhopadhyay, Energy-Efficient Neural Image Processing for Internet-of- Things Edge Devices, 60th IEEE International Midwest Symposium on Circuits and Systems (MWSCAS 2017). 4. Taesik Na, Jong Hwan Ko, Jaeha Kung, and Saibal Mukhopadhyay, On-Chip Training of Recurrent Neural Networks with Limited Numerical Precision, International Joint Conference on Neural Networks (IJCNN 2017). 5. Jong Hwan Ko, Burhan Mudassar, Taesik Na, and Saibal Mukhopadhyay, Design of an Energy-Efficient Accelerator for Training of Convolutional Neural Networks using Frequency-Domain Computation, Design Automation Conference (DAC 2017). 6. Jong Hwan Ko, Mohammad Faisal Amir, Taesik Na, and Saibal Mukhopadhyay, A Low-Power Wireless Image Sensor Node with Noise-Robust Moving Object Detection and a Region-of-Interest Based Rate Controller, 42th Annual Government Microcircuit Applications and Critical Technology Conference (GOMACTech 2017). 7. Jong Hwan Ko, Duckhwan Kim, Taesik Na, Jaeha Kung, and Saibal Mukhopadhyay, "Adaptive Weight Compression for Memory-Efficient Neural Networks, Design, Automation, and Test in Europe (DATE 2017), Mar (Oral, acceptance rate: 24%) 8. Taesik Na, Jong Hwan Ko, and Saibal Mukhopadhyay, "Clock Data Compensation Aware Clock Tree Synthesis in Digital Circuits with Adaptive Clock Generation, Design, Automation, and Test in Europe (DATE 2017), Mar (Oral, acceptance rate: 24%) 9. Jong Hwan Ko, Taesik Na, and Saibal Mukhopadhyay, An Energy-Efficient Wireless Video Sensor Node with a Region-of-Interest Based Multi-Parameter Rate Controller for Moving Object Surveillance, 2016 IEEE Advanced Video and Signal-based Surveillance (AVSS 2016), Aug (Oral, acceptance rate: 28.4%) 10. Khondker Zakir Ahmed, Mohammad Faisal Amir, Jong Hwan Ko, and Saibal Mukhopadhyay, Reconfigurable 96x128 Active Pixel Sensor with 2.1μW/mm2 Power Generation and Regulated Multi-

5 Curriculum Vitae - Jong Hwan Ko Page 5 of 7 Domain Power Delivery for Self-Powered Imaging, 42th European Solid-State Circuit Conference (ESSCIRC 2016), Sep Jong Hwan Ko and Saibal Mukhopadhyay, An Energy-Aware Approach to Noise-Robust Moving Object Detection for Low-Power Wireless Image Sensor Platforms, 2016 International Symposium on Low Power Electronics and Design (ISLPED 2016), Aug Best paper award. 12. Jong Hwan Ko, Khondker Zakir Ahmed, Mohammad Faisal Amir, and Saibal Mukhopadhyay, A Self- Powered Wireless Video Sensor Node for Moving Object Surveillance, 41th Annual Government Microcircuit Applications and Critical Technology Conference (GOMACTech 2016), Mar Arvind Singh, Monodeep Kar, Jong Hwan Ko, Saibal Mukhopadhyay, Exploring power attack protection of resource constrained encryption engines using integrated low-drop-out regulators, 2015 International Symposium on Low Power Electronics and Design (ISLPED 2015), Aug Jong Hwan Ko, Burhan Mudassar, and Saibal Mukhopadhyay, Adaptive Wireless Video Sensor Node Using Content-Aware Pre-Processing for Moving Target Identification, 40th Annual Government Microcircuit Applications and Critical Technology Conference (GOMACTech 2015), March 26, 2015, PATENTS 1. Jong Hwan Ko, Hyun-sung Lee, Jae Hyun Ham, Jeung-Won Choi, Jeong-ki Pack, Min-gyeong Seo, Korean Patent No , Simulating body for evaluating communication channels near a human body and Method for manufacturing the same, Jan Jong Hwan Ko, juman Park, Jeung-Won Choi, Jeong-ki Pack, Korean Patent No , Numerical phantom model manufacturing method for analyzing on human effects of Radio Frequency, Jan Jae Hyun Ham, Jong Hwan Ko, Hyun Sung Lee, Jeung-Won Choi, Korean Patent No , MAC frame structure for dynamic Ad Hoc network, and operating method thereof, Dec Hyun-sung Lee, Jong Hwan Ko, Juman Park, Jeung-Won Choi, Korean Patent No , Realtime AD Hoc wireless transmission system based on Chirp Spread Spectrum ranging and Method thereof, Nov Hyungjoo Lee, Mijeong Hoh, Jong Hwan Ko, Jeung-Won Choi, Jaehyun Kim, Sung Hyung Lee, Sang Hun Lee, Kihun Kim, Korean Patent No , Adaptive Buffer Management Method based on Priority of Voice over IP Traffic, September Jong Hwan Ko and Jeung-Won Choi, Korean Patent No , Method and System for SIP Call Process to Ensure QoS using VoIP Exchange, April Jong Hwan Ko, Mijeong Hoh, and Jeung-Won Choi, Korean Patent No , Apparatus, Method and Recording Device for Prediction of VoIP based Speech Transmission Quality using Extended E-model, October 2011.

6 Curriculum Vitae - Jong Hwan Ko Page 6 of 7 8. Bong-soo Roh and Jong Hwan Ko, Korean Patent No , A buffer Space Securing Method and Apparatus for Real Time Data Transmission According to Data Increase and Decrease Rate, November Jong Hwan Ko, Bong-soo Roh, Jung-hoon Kim, Korean Patent No , Method for Processing Data in Network, Device for Transceiving Data and Computer Recordable Medium, June TEACHING EXPERIENCE Teaching Assistant in Advanced VLSI Fall 2015 Department of Electrical and Computer Engineering Georgia Institute of Technology, Atlanta, Georgia Graduate Mentor for SURE (Summer Undergraduate Research Summer 2015, 2014, 2013 in Engineering/Science) program Georgia Institute of Technology, Atlanta, Georgia - Best presentation award winner Summer 2015, 2014 Teaching Assistant in Computer Architecture Spring 2004 Department of Electrical Engineering and Computer Science SKILLS Languages/Libraries Verilog/VHDL, Python, Theano, TCl, C++ Tools Synopsys Design Compiler, Primetime Cadence SoC Encounter, Virtuoso Modelsim, ISE Hspice, Nanosim, Hsim MATLAB, Simulink OPNET, ns-2, Qualnet, Advanced Design System (ADS) Certification Certified Modeling & Simulation Professional by the Modeling and Simulation Professional Certification Commission (M&SPCC) RELATED COURSEWORK Circuit/VLSI Logic Design (A+), Circuit Theory (A0), SoC Design Automation (A-), Advanced VLSI (A) Computer architecture

7 Curriculum Vitae - Jong Hwan Ko Page 7 of 7 Computer Architecture (A+), Advanced Computer Architecture (A+), Real-time Systems (A+), Topics in Operating Systems (A+), Compiler Construction (A0) System design Creative Engineering Design (A0), System Programming (A0), Manufacturing Processes (A0), System Performance Evaluation (A-) Algorithm/Image processing Algorithms (A+), Automata Theory (A0), Computer Graphics (A+), PDEs for Image processing (A)