Phone: +82 10-5124-7171
Email: [email protected]

Keywords: Ray/Path Tracing, Texture Compression, Image Processing
Objective: Develop or research Real-Time Applications such as Rendering, Image processing, and Ray/Path Tracing by utilizing CPU (Multi-threading, AVX/NEON SIMD Intrinsic) and GPU (Graphics API, GPGPU).

• M.S., Department of Computer Scienece | Sangmyung University, Seoul, Korea ( 2023.03 ~ 2024.08 )
• B.S., Department of Electronic Engineering | Sangmyung University, Seoul, Korea ( 2017.03 ~ 2023.02 )

• Hybrid CPU-GPU Texture Compression Methodology ( 2022.04 ~ 2023.10 )
  • ETC2 codec을 위한 CPU-GPU Encoding Pipeline 기법 연구
  • Quality (최대 20% 향상)와 Encoding Speed (최대 10 ~ 1000x) 사이의 Trade-off 개선
• Multi-Bounding Volume Hierarchy (MBVH) for Sound Propagation ( 2023.08 ~ 2024.04 )
  • Ray Tracing의 Acceleration Structure로 사용되는 MBVH를 Sound Rendering 적용 연구
  • Baseline 대비 20 ~ 30%의 성능 개선
• AutoDog: Auto Driving System by using LiDAR and Camera ( 2021.11 ~ 2022.11 )
  • RPLiDAR A1, CSI Camera를 이용한 자율 주행 시스템 개발 프로젝트
  • LiDAR, Camera, Arduino와 통신 및 제어 등 전반적인 SW 개발 담당
• Advanced driver-assistance systems (ADAS) Program ( 2021.06 ~ 2022.02 )
  • NVIDIA Jetson Series (Xavier, TX, Nano) 환경에서의 ADAS Program 개발
  • Xavier 기준 Real-Time Application (30 FPS) 달성
  • Collision Detection, Camera 기능 및 각 Thread 제어 담당

1. Hyeon-ki Lee and Jae-Ho Nah, "H-ETC2: Design of a CPU-GPU Hybrid ETC2 Encoder", Computer Graphics Forum (Special Issue of Pacific Graphics 2023), 42(7), 2023, (Link), (Code)
2. Hyeon-ki Lee, Hyeju Kim, Dong-Yun Kim, Woo-Chan Park and Jae-Ho Nah, "Considerations for the Acceleration Structure of Sound Propagation on Embedded Devices: Kd-trees versus Multi Bounding Volume Hierarchies", Multimedia Tools and Applications, 2024 (Under review), (Demo)

• GPU Tech Labs @ Sanmyung University, Seoul, Korea ( 2022.04 ~ 2024.08 )
• Creative Contents Labs @ Sanmyung University, Seoul, Korea ( 2021.04 ~ 2022.03 )