Sungwon Lee

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)

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

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

• 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.

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

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)

ETC

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