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Siwei Lyu
Howard Hughes Medical Institute		tel: 212-992-8750
Center for Neural Science		email: siwei DOT lyu AT nyu DOT edu
Courant Institute of Mathematical Sciences		web: www.cns.nyu.edu/~lsw
New York University
4 Washington Place, Room 809
New York, NY 10003

 
EDUCATION

2001-2005		Ph.D. Computer Science, Dartmouth College.
1997-2000		M.S. Computer Science, Peking University.
1993-1997		B.S. Information Science, Peking University

RESEARCH EXPERIENCE

2005-present		Research Associate, Howard Hughes Medical Institute, and
		Center for Neural Science, Courant Institute of Mathematical Sciences
		New York University.
		- Statistical modeling of images with Markov random fields models
		- Non-linear image representation with divisive normalization
2002-2005		Research Assistant, Department of Computer Science, Dartmouth College.
		- Statistical features for digital image forensics
		- Digital techniques for art authentication and forensics
		- Machine learning for computer vision
2000-2001		Assistant Researcher, Microsoft Research Asia.
		- Fitting and rendering of ink data for TabletPC
		- Automatic separation of drawing and handwritten text from ink strokes
1998-2000		Research Scientist, Founder Electronics Inc., Beijing, China.
		- Pattern recognition for seal image authentication
		- Component based software architecture

PUBLICATIONS

Conference Papers

1. S. Lyu and E. P. Simoncelli. Statistical Modeling of Images with Fields of Gaussian Scale Mixtures. Advances in Neural Information Processing Systems (NIPS), Vancouver, Canada, 2006
2. S. Lyu. Kernels for Unordered Sets: the Gaussian Mixture Approach European Conference on Machine Learning (ECML), Porto, Portugal, 2005
3. S. Lyu. Mercer Kernels for Object Recognition with Local Features IEEE Conference on Computer Vision and Pattern Recognition (CVPR), San Diego, CA, 2005
4. S. Lyu. Infomax Boosting. IEEE Conference on Computer Vision and Pattern Recognition (CVPR), San Diego, CA, 2005
5. S. Lyu. Automatic Image Orientation Determination with Natural Image Statistics. ACM Multimedia, Singapore, 2005
6. S. Lyu, D. Rockmore, and H. Farid. Wavelet Analysis for Art Authentication. Art+Math = X Conference, Boulder, CO, 2005
7. M. K. Johnson, S. Lyu and H. Farid. Steganalysis in Recorded Speech. SPIE Symposium on Electronic Imaging, San Jose, CA, 2005
8. S. Lyu and H. Farid. Steganalysis Using Color Wavelet Statistics and One-Class Support Vector Machines. SPIE Symposium on Electronic Imaging, San Jose, CA, 2004
9. H. Farid and S. Lyu. Higher-Order Wavelet Statistics and their Application to Digital Forensics. IEEE Workshop on Statistical Analysis in Computer Vision (in conjunction with CVPR), Madison, WI, 2003
10. S. Lyu and H. Farid. Detecting Hidden Messages Using Higher-Order Statistics and Support Vector Machines. 5th International Workshop on Information Hiding, Noordwijkerhout, The Netherlands, 2002
11. S. Lyu and J. Xu. Constructing Component-based Software System with Extended Use-Case Maps. 6th National Conference of Software Engineering and Application (in Chinese), Shenzhen, China, 1999.

Journal Papers

1. S. Lyu and H. Farid. Steganalysis Using Higher-Order Image Statistics. IEEE Transactions on Information Forensics and Security, 1(1):111-119, 2006
2. D. Rockmore, S. Lyu, and H. Farid. A Digital Technique for Authentication in the Arts. International Foundation for Art Research (IFAR) Journal, 8(2):21-29, 2006
3. S. Lyu and H. Farid. How Realistic is Photorealistic?. IEEE Transactions on Signal Processing, 53(2):845-850, 2005
4. S. Lyu, D. Rockmore, and H. Farid. A Digital Technique for Art Authentication. Proceedings of National Academy of Science, 101(49):17006-17010, 2004
5. S. Lyu, Y. Zou, and M. Li. Recognizing Handwritten Geometrical Shapes with SVMs. Journal of Pattern Recognition (in Chinese), 29(3):19-23, 2002
6. D. Yang, S. Lyu, and X. Wang. An Automatic System to Recognize and Authenticate Seal Images. Journal of Minicomputer Systems (in Chinese), 54(6):23-28, 1999

Book Chapters

1. S. Lyu, Digital Image Forensics with Natural Image Statistics, in Innovations in Digital Forensic Practice, Taylor and Francis, 2007
2. S. Lyu, Active Scripting Language, in Software Architecture Design with COM (in Chinese), Mechanics Publishing House, China, 2003

Manuscripts in Submission

1. S. Lyu and E. P. Simoncelli. Image Statistical Model with Fields of Gaussian Scale Mixtures. IEEE Transaction on Pattern Analysis and Machine Intelligence, 2007

Poster Presentations

1. Statistical Modeling of Natural Images with Fields of Gaussian Scale Mixtures, Gordon Research Conference on Sensory Coding and the Natural Environment, Big Sky, MO, 2006
2. Digital Forensics with Image Statistics, 3rd Northeastern Graduate Research Symposium, Colby-Sawyer College, New London, NH, 2005
3. Art Forensics with Digital Techniques, Graduate Appreciation Week Poster Presentation, Best Poster Award, Dartmouth College, Hanover, NH, 2004

Technical Reports

1. S. Lyu. Automatic Image Orientation Determination with Natural Image Statistics. TR2005-545, Department of Computer Science, Dartmouth College, 2005
2. S. Lyu. Mercer Kernels for Object Recognition with Local Features. TR2004-520, Department of Computer Science, Dartmouth College, 2004
3. S. Lyu, D. Rockmore, and H. Farid. Digital Art Forensics. TR2003-466, Department of Computer Science, Dartmouth College, 2003
4. C. Park, S. Lyu, and T. Wong. Building Component-Based Architecture in Embedded Operating Systems. TechR1999-978, Samsung Software Research Center, 1999

1. S. Lyu. Natural Image Statistics and Their Application in Digital Forensics. Ph.D. Thesis, Department of Computer Science, Dartmouth College, 2005
2. S. Lyu. Component-based Software Architecture for Multimedia Authoring Systems. M.S. Thesis (in Chinese), Department of Computer Science and Technology, Peking University, 2000
3. S. Lyu. A Survey of Multimedia Authoring Systems. B.S. Thesis (in Chinese), Department of Information Science, Peking University, 1997

Other publications

1. S. Lyu and A. Pan. Introduction to Active Scripting Techniques Computer World Magazine (in Chinese), 2000
2. S. Lyu and A. Pan. Building ActiveX Components with Active Template Library. Computer World Magazine (in Chinese), 1999

INVITED TALKS

• Statistical Model and Non-linear Representation of Photographic Images CIAR Summer School on Learning in Computer Vision and Biology, University of Toronto, August, 2007
• Modeling Statistics of Photographic Images Computer Science Department, University at Albany, SUNY, April, 2007
• Statistical Model and Non-linear Representation of Photographic Images Computer Science Department, Brown University, Feburary, 2007
• Modeling Natural Image Statistics with Fields of Gaussian Scale Mixtures Siemens Corporate Research, Princeton, New Jersey, February, 2007.
• Modeling Natural Image Statistics with Fields of Gaussian Scale Mixtures Sarnoff Laboratory, Princeton, New Jersey, July, 2006
• Natural Image Statistics and Their Applications in Digital Forensics Center for Neural Sciences, New York University, February, 2005
• Natural Image Statistics and Their Applications in Digital Forensics GRASP Lab, University of Pennsylvania, February, 2005
• Natural Image Statistics and Their Applications in Digital Forensics CSAIL, Massachusetts Institute of Technology, November, 2004
• Steganalysis with Color Image Wavelet Statistics and One Class Support Vector Machines. SPIE EI Symposium, San Jose, CA, January, 2004
• Universal Steganalysis with Natural Image Statistics. Computer Science Department, Dartmouth College, October, 2003

PATENTS (Inventors are in alphabetic order)

• L. Chen, S. Lyu, J. Wang and Y. Zou. Method and System for Representing and Displaying Digital Ink. U.S. Patent US 7057615 (B2), 2006
• L. Chen, S. Lyu, J. Wang and Y. Zou. Method and System for Representing and Displaying Digital Ink. E.U. Patent EP1271407, 2003
• L. Chen, S. Lyu, J. Wang and Y. Zou. Computer Readable Medium for Expressing and displaying Digital Ink and Computer System. Japan Patent JP2003141100, application pending
• H. Ling, S. Lyu, J. Wang and Y. Zou. Method and System for Separating Text and Drawings in Digital Ink. U.S. Patent Application 20030007683, application pending

 
AWARDS

• NIPS travel grant, 2006
• IEEE CVPR Student travel grant, 2005
• Graduate Alumni Research Award, Dartmouth College, 2005
• Graduate Poster Award, Dartmouth College, 2004
• Dartmouth Graduate Fellowship, 2001-2005
• Kodak Fellowship, Peking University, 2000
• Samsung Scholarship, Peking University, 1999
• Graduate Excellency Award, Peking University, 1999, 2000

 
TEACHING EXPERIENCE

• Guest Instructor: Statistical Methods for Computer Vision (CS 188), Dartmouth College, 2004
• Guest Instructor: Information Retrieval (CS 188), Dartmouth College, 2004
• Teaching Assistant: Introduction to Computer Science (CS 15), Dartmouth College, 2001-2002

 
SERVICES

• Reviewer:
  • IEEE Transactions on Image Processing
  • IEEE Transactions on Computer Graphics and Applications
  • Journal of Optical Society of America A
  • IEEE Transactions on Information Forensics and Security
  • IEEE Transactions on Circuits and Systems for Video Technology
  • IEEE Conference on Computer Vision and Pattern Recognition
  • IEEE International Conference on Computer Vision
  • International Workshop on Information Hiding
  • IEE Electronics Letters
  • IEEE Signal Processing Letters
  • Pattern Analysis and Applications
  • Journal of Neurocomputing
  • International Journal of Image and Video Processing
• Graduate Student Admission Committee, Computer Science Department, Dartmouth College, 2005, 2004.
• Student Member of IEEE, ACM and SPIE

 
IN THE NEWS

• Computer analysis is bringing science to art, Washington Post, November 29th, 2004
• Who really wielded the paintbrush, New York Times, December 23rd, 2004
• Putting science to work solving art's whodunits, Boston Globe, November 23rd, 2004
• Can Mathematical Tools Illuminate Artistic Style? SIAM News, March 1st, 2005
• Researchers develop digital technique for art authentication, Science Daily, November 24th, 2004
• Software Detects the True Artist, Wired News, November 22nd, 2004
• Art: Is It Authentic? Follow the Algorithm, MSNBC.com, December 27, 2004

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