Tham Jo Yew E-mail addresses: thamjy@ieee.org (preferred) thamjy@yahoo.com thamjy@gmail.com

Educational Background

• Ph.D., Electrical and Computer Engineering (2002), National University of Singapore (NUS), Singapore
  Dissertation: Multiwavelets and Scalable Video Compression
• B.Eng.(Hons.), Electrical Engineering (1995), National University of Singapore (NUS), Singapore
  Thesis: Detail Preserving Image Compression Using Wavelet Transform
• G.C.E. A-Levels (1990), Hwa Chong Junior College, Singapore.

Professional Appointments

• Managing Director & Founder, PeerTouch Technologies Pte. Ltd., Singapore (2005 - present)
• Research Fellow, Centre for Industrial Mathematics, Department of Mathematics, NUS (2003 - 2005)
• Founding Manager, Accenity Technologies, Singapore (2002 - 2005)
• Chief Technology Officer / Chief Streaming Architect, EnScaler Inc., Sunnyvale, CA, USA (2000 - 2002)
• Senior R & D Manager, Video4i Inc., San Jose, CA, USA. (1999 - 2000)
• Research Associate, Centre for Wavelets, Approximation and Information Processing, Department of Mathematics, NUS (1996 - 1999)

Technical Expertise

• Peer-to-peer platform for decentralized and secured group collaboration, communication, media sharing.
• Middleware platform for streaming media content management, rights management, delivery and commerce.
• Platform for rich-media and video messaging and communication.

• Multi-resolution, multi-bitrate wavelet image compression (more)
• Progressive image retrieval from large image libraries (more)
• Selective regional image retrieval/zooming/viewing from remote servers (more)
• Scalable video multicasting to heterogeneous receivers over diverse networks (more)
• Automated fingerprint identification and compression (AFIS) (more)

• Distributed/decentralized ad-hoc peer-to-peer networks (routing algorithms, storage/replication/retrieval, asset management/sharing)
• Information security (cyrptosystems, DRM, PKI, digital certificate/signature, particularly for peer-to-peer eco-systems)
• Java programming & design patterns; C++ object-oriented technologies
• XML Web Services, SOAP, WSDL, UDDI, E-Commerce systems
• Ad-hoc & ubiquitous computing networks (IP M-BONE, STUN NAT traversal, HTTP tunnelling, etc.)
• Open source Mozilla platform, XUL, XPCOM; Sun's JXTA; Jabber XMPP and Jingle; VOIP, SIP, Speex, etc.
• Server-side technologies (JBoss application server, MySQL database, Apache Tomcat/HTTP server, etc.)
• Highly scalable image and video compression for very low bit rate environment
• Audio-video compression standardization (MPEG-4, H.26x, etc.)
• Scalable compression of binarized fingerprint images for very compact storage
• Real-time processing for enhancement of compressed images/videos
• Fast and scalable block motion estimation and motion compensation algorithms
• Time-frequency progressive quantization techniques
• Scalar and multiwavelets digital filter design and construction
• Computer/machine vision and advanced image/video processing algorithms
• Hardware/firmware developments (e.g., FPGA, VHDL, Verilog)

Patents

• Wavelet-Enhanced Automated Fingerprint Identification System (US Patent - Granted 2005)
• Wavelet-Enhanced Automated Fingerprint Identification System (Singapore Patent - Granted 2005)
• Wavelet-Enhanced Automated Fingerprint Identification System (US Divisional Patent - Pending)
• Apparatus and Method for Compressing and Decompressing Fingerprint Information (Singapore Patent - Pending)
• Group-Based Online Presence Management in Distributed and Decentralized Environment (PCT Patent - Pending)

Publications [ = Widely Cited]

• J. Y. Tham, "Ph.D. Dissertation: Multiwavelets and Scalable Video Compression," (2.2MB), ECE, NUS, 2002.
• J. Y. Tham, "Detail Preserving Image Compression Using Wavelet Transform," (100KB) + "figures in Microsoft Words 95" (2.24MB), Best Student Paper (UG Category) of IEEE Region 10 Student Paper Contest 1995, published in IEEE Student Paper Book.
• J. Y. Tham, S. Ranganath, A. K. Kassim, "Scalable Very Low Bit Rate Video Compression Using Motion Compensated 3-D Wavelet Decomposition," (163KB) IEEE International Workshop on Intelligent Signal Processing and Communication Systems (ISPACS in Singapore) , vol. 3, pp. 38.7.1 - 38.7.5, Nov. 1996.
• J. Y. Tham, S. Ranganath, A. K. Kassim, "Highly Scalable Wavelet-Based Video Codec for Very Low Bit Rate Environment," (1.28MB) IEEE Journal on Selected Areas in Communications -- Special Issue on Very Low Bit-rate Video Coding, vol. 16, no. 1, pp. 12-27, Jan. 1998. You can also download a copy of the seminar slides (724KB).
• J. Y. Tham, S. Ranganath, M. Ranganath, A. K. Kassim, "A Novel Unrestricted Center-Biased Diamond Search for Block Motion Estimation" (532KB), IEEE Transactions on Circuits and Systems for Video Technology, vol. 8, no. 4, pp. 369-377, August 1998.
• J. Y. Tham, L. Shen, S. L. Lee, H. H. Tan "Good Multifilter Properties: A New Tool For Understanding Multiwavelets," (2.2MB) International Conference on Imaging Science, Systems, and Technology (CISST'98 in Las Vegas, U.S.), pp. 52-59, July 1998.
• J. Y. Tham, S. Ranganath, A. A. Kassim, "Scalable Multiwavelet-Based Image and Video Compression for Multimedia Applications," (in Microsoft Words 97, 594KB) 4th. International Conference on Information Systems, Analysis and Synthesis (SCI'98/ISAS'98 in Orlando, Florida, U.S.), vol. 3, pp. 195-202, July 1998.
• J. Y. Tham, S. Ranganath, A. A. Kassim, S. Y. Tan, "Non-Iterative Adaptive Postprocessing for Ringing Artifact Suppression in Compressed Images," 4th. International Conference on Information Systems, Analysis and Synthesis (SCI'98/ISAS'98 in Orlando, Florida, U.S.), vol. 3, pp. 203-210, July 1998.
• J. Y. Tham, L. Shen, S. L. Lee, and H. H. Tan, "A New Multifilter Design Property for Multiwavelet Image Compresssion," (40KB) ICASSP '99, Pheonix, Arizona, U.S., March 1999.
• L. Shen, J. Y. Tham, S. L. Lee, and H. H. Tan, "A Special Class of Orthonormal Wavelets: Theory, Implementations, and Applications," (403KB) ICASSP '99, Pheonix, Arizona, U.S., March 1999.
• J. Y. Tham, L. Shen, S. L. Lee, H. H. Tan, "A General Approach for Analysis and Application of Discrete Multiwavelet Transforms," (1.11MB) IEEE Trans. Signal Processing, vol. 48, no. 2, pp. 457-464 , Feb. 2000.
• L. Shen, H. H. Tan, J. Y. Tham, "Symmetric-Antisymmetric Orthonormal Multiwavelets and Related Scalar Wavelets," (108KB) Applied and Computational Harmonic Analysis, vol. 8, no. 3, pp. 258-279 , May 2000.
• H. H. Tan, L. Shen, and J. Y. Tham, "New Biorthogonal Multiwavelets for Image Compression," (106KB) Signal Processing, vol. 79, pp. 45-65 , 1999.
• L. Shen, H. H. Tan, and J. Y. Tham, "Some Properties of Symmetric-Antisymmetric Orthonormal Multiwavelets," IEEE Transactions on Signal Processing, vol. 48, no. 7 , July 2000.
• S. L. Lee, L. Shen, H. H. Tan, J. Y. Tham, "Multiwavelets: Theory and Applications," invited paper, Second International Workshop on Transforms and Filter Banks, Brandenburg, Germany, March 5-7, 1999.
• S. L. Lee, B. Liu, and J. Y. Tham, "Wavelet Research at the National University of Singapore," World Sci-Tech R&D, The Journal of the Chinese Academy of Science and Chinese Academy of Engineering, Sept. 1997.
• L. Shen, H. H. Tan, and J. Y. Tham, "Theory and Implementation of A Special Family of Orthonormal Wavelets," Technical Report, NUS, April, 1999.
• P. J. Wang, F. C. Shang, P. Ding, J. Y. Tham, and S. L. Lee, "Scalable Multimedia Information Distribution over Heterogeneous Network," International Conference on Communications System (ICCS), July 2000.
• P. J. Wang, F. C. Shang, P. Ding, J. Y. Tham, and S. L. Lee, "Scalable Multimedia Communication over Heterogeneous Networks," International Symposium on Intelligent Signal Processing and Communications System (ISPACS), vol. 1, pp. 16-21, Nov. 2000.
• J. Y. Tham, S. L. Lee, C. E. Tan, L. C. Tee, "A Distributed Peer-to-Peer Platform for Synchronized Group Collaboration and Knowledge Sharing," 2004 International Symposium on Distributed Computing and Applications to Business, Engineering and Science (DCABES), Wuhan, Hubei, China, Sept. 12-16, 2004.
• Latest from Google -- includes downloadable publications and citations by other papers.
  
  

Awards & Affiliations

• Top Student, Malaysia SPM (GCE O-Level) with 9 A's (1988)
• Commendation Award, Singapore GCE A-Level with 5 A's (1990)
• Champion Team, American High-School Mathematics Competition (1990)
• Asean Scholar, ASEAN Pre-University Scholarship, Singapore (1989 - 1990)
• Research Scholar, Postgraduate Scholarship, NUS (1995 - 1996)
• NUS Innovation Award, Undergraduate B.Eng. Final Year Project (1995)
• Best Student Paper, Undergraduate Category of IEEE Region 10 Student Paper Contest (1995) (more)

• Member, IEEE (since 1992)
• Member, Malaysian MENSA (since 1990)
• Member, Lion Chapter Carnegians Alumni Association of Singapore (1998 - present)
• Vice President, Lion Chapter Carnegians Alumni Association of Singapore (2003 - present)
• Peer Reviewer (for a number of international refereed IEEE and EURASIP JASP journals and conferences)

Hobbies & Recreations

• Sports and Games - badminton, bowling, yoga, gym exercise, scuba diving, swimming, international chess, a bit of tennis, squash, basketball and chinese martial art, etc.
• Recreational Activities - learning guitar and keyboard, portrait drawing, writing Malay poems, developing computer games, surfing the Net, listening to English and Mandarin music, watching TV dramas and movies, reading self-improvement and business strategies books, engaging in argumentative discussions, etc.

More about Myself

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