Sungwon Lee
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Contents
Sungwon Lee
- Ph.D. Candidate (CV)
- Department of Electrical Engineering-Systems, University of Southern California, Los Angeles, CA
- F1 Visa status, South Korea Citizenship
- Telephone: (213)-740-4655
- E-mail: sungwonL@gmail.com , sungwonL@usc.edu
Research Interests
- Sparse approximation of large data
- Energy-efficient data gathering on Wireless Sensor Network (WSN)
- Sparse representation and approximation of sensor/image signal
- Fast sparse signal reconstruction
- Deterministic compressed sensing(CS) with application-driven constraints
Education
- Ph.D. candidate, Aug. 2006 - present
- Department of Electrical Engineering-Systems, University of Southern California, Los Angeles, CA
- Advisor: Prof. Antonio Ortega
- GPA: 3.84 / 4.00
- Master of Science, Aug. 2004 - May. 2006
- Department of Electrical Engineering-Systems, University of Southern California, Los Angeles, CA
- GPA: 3.96 / 4.00
- Bachelor of Science in Engineering, Mar. 1997 - Feb. 2001
- School of Electrical Engineering, Seoul National University, Republic of Korea
- GPA: 3.53 / 4.30 (major)
Academic Experience
- Research Assistant, Aug. 2006 - Present
- Depth-map compression for multi-view video
- Depth map compression with graph-based transform (GBT)
- Adaptive GBT construction for CS
- Energy-efficient data gathering on large-scaled wireless sensor network
- Joint optimization of transport cost and reconstruction for large sensor data
- Spatially-localized CS under transport cost constraint
- Fast object detection using UltraWide Band(UWB)-radar
- Fast measurement system with UWB hardware-driven constraints
- Iterative reconstruction of sparse UWB signal
- Depth-map compression for multi-view video
- Teaching Assistantr, Jan. - May 2011/2012
- EE 586L/434L Advanced DSP Lab.
- Real-time signal processing using DSP processor.
- C programming for embedded platforms. Understand real-time processing system issues including constraints of embedded systems and complexity analysis for improved algorithm design.
- Skills: C-programming on TMS320C6713, 6416 and TMS320DM6437 DSK board.
- EE 586L/434L Advanced DSP Lab.
Professional Experience
- Summer Intern, May 2012 - Aug. 2012
- Employer: MIXLab, Hewlett Packard Lab, Palo Alto, CA
- Contribution:
- Implemented continuous 3D visualization with real-time eye tracking using openGL, OSG, and SDK of OptiTrack camera
- Developed fast parallel decoding of light field data using DCT and DWT followed by AGP (Amplitude and Group Partitioning)
- Proposed 4-D light field compression using depth map for glass-free 3D TV
- Software Engineer, Dec. 2000 - Jul. 2004
- Employer: Alticast Corp., Seoul, Korea
- Contribution:
- Designed database schema for data repository of broadcasting server for interactive digital television using Oracle 8/8i database
- Designed/developed C++ API for broadcasting data manipulation with Oracle 8/8i database and Oracle Call Interface (OCI) on UNIX and Windows
- Developed MPEG-2 Transport Stream (TS) analyzer using C and ASI interface card on UNIX
- Developed MPEG-2 TS generator in Automatic Test Environment (ATE) for Multimedia Home Platform (MHP) proposed by Digital Video Broadcasting (DVB)
- Proposed proprietary standard for communication among broadcasting servers using MPEG-2 (ISO 13818-6)
- Participated in designing C API for Digital Media Broadcast (DMB) device.
- Part-time Software Engineer, Feb. 2000 - Nov. 2000
- Employer: Netping Corp., Seoul, Korea
- Contribution:
- Developed Automatic Response System (ARS) with Intel Dialogic board
- Developed video conference software using H.263 via Internet
- Developed configurable WEB board with PHP and MySQL
Technical Skills
| Skills | Professional Experience (years) | Academic Experience (years) |
|---|---|---|
| Languages | C/C++ (4.5), Perl (2), Java Script (2) | C (4), MATLAB (6) |
| Database | Interactive digital broadcasting standards(MPEG-2, DVB-MHP, OCAP) (3.5) | H.264/MPEG-4 AVC(2), HEVC (0.5) |
| Graphics | SQL(4), Oracle 8/8i (3.5), Oracle Call Interface (3.5), MySQL (1)} | -- |
| Internet | OpenGL, OSG (0.3) | -- |
| DSP | -- | TMS320C6713 / 6416 (1), TMS320DM6437 (1) |
Publications
- S. Lee and A. Ortega "Adaptive Compressed Sensing for Depthmap Compression Using Graph-based Transform". To appear in International Conference on Image Processing (ICIP'12)
- S. Lee and A. Ortega "Joint Optimization of Transport Cost and Reconstruction for Spatially-Localized Compressed Sensing in Multi-Hop Sensor Networks ". In Proceedings of APSIPA Annual Summit and Conference (APSIPA ASC 2010), Singapore, December 2010. PDF format
- S. Lee, S. Pattem, M. Sathiamoorthy,B. Krishnamachari, and A. Ortega "Spatially-Localized Compressed Sensing and Routing in Multi-hop Sensor Networks". In Proceedings of Third International Conference on Geosensor Networks (GSN'09), Oxford, July 2009. PDF format
- S. Lee, S. Pattem, M. Sathiamoorthy,B. Krishnamachari, and A. Ortega "Compressed Sensing and Routing in Sensor Networks". USC CENG Technical Report, CENG-2009-4,2009. PDF format
- G. Shen, S. Y. Lee, S. Lee, S. Pattem, A. Tu, B. Krishnamachari, A. Ortega, M. Cheng, S. Dolinar, A. Kiely, H. Xie, "Novel Distributed Wavelet Transforms and Routing Algorithms for Efficient Data Gathering in Sensor Webs". Earth Science and Tech. Conf. (ESTC'08), Adelphi, MD, June 2008. PDF format
- S. Lee, S. Pattem, G. Shen, A. Tu, B. Krishnamachari, A. Ortega, M. Cheng, S. Dolinar, A. Kiely, H. Xie, "A Distributed Wavelet Approach for Efficient Information Representation and Data Gathering in Sensor Webs". NASA Science and Tech. Conf. (NSTC'07), Adelphi, MD, May 2007. PDF format
Relevant Courses Taken
EE-583(Adaptive Signal Processing), CSCI-570(Analysis of Algorithms), EE-569(Digital Image Processing), EE-652(Wireless Sensor Networks), EE-596(Wavelets), CSCI-576(Multimedia Systems Design), EE-559(Mathematical Pattern Recognition), EE-553(Computational Solution of Optimization Problems)
