Sungwon Lee

Sungwon Lee

Sungwon Lee

Ph.D. Candidate (CV) (GoogleScholar)

Advisor: Antonio Ortega

Department of Electrical Engineering-Systems, University of Southern California, Los Angeles, CA

Telephone: (213)-740-4655

E-mail: sungwonL@gmail.com , sungwonL@usc.edu

F1 Visa status, South Korea Citizenship

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

• Master of Science, Aug. 2004 - May. 2006
  • Department of Electrical Engineering-Systems, University of Southern California, Los Angeles, CA

• Bachelor of Science in Engineering, Mar. 1997 - Feb. 2001
  • School of Electrical Engineering, Seoul National University, Republic of Korea

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. (Prof. Antonio Ortega)
    • 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.

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

Presentations

• 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 "Adaptive Compressed Sensing for Depthmap Compression ". 2nd Annual Ming Hsieh Department of Electrical Engineering Research Festival hosted by MHI, USC, April 2012 PPT

• S. Lee and A. Ortega "Joint Optimization of Transport Cost and Reconstruction for Spatially-Localized Compressed Sensing". 1st Annual Ming Hsieh Department of Electrical Engineering Research Festival hosted by MHI, USC, April 2011 PPT

• 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. PPT

• 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. PPT

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)

Return to group webpage