Recent Publications
- Lappoon R. Tang, Hansheng Lei, Soma Mukherjee, and Soumya Mohanty, Cluster Analysis of Simulated Gravitational Wave Triggers Using S-MEANS and Constrained Validation Clustering, IOP electronic Journal of Classical and Quantum Gravity (accepted).
- Hansheng Lei, Venu Govindaraju. Relative Pattern Recognition for Noisy Handwritten Numeral Recognition. International Conference on Frontiers in Handwriting Recognition, Montreal, Quebec, Canda, 2008. (to appear)
- Hansheng Lei, Lappoon R. Tang, Juan R. Iglesias, Soma Mukherjee and Soumya Mohanty. S-means: Similarity Driven Clustering and Its application in Gravitational-Wave Astronomy Data Mining. International Workshop on Knowledge Discovery from Ubiquitous Data Streams in conjunction with in conjunction with the 18th European Conference on Machine Learning (ECML’07) and the 11th European Conference on Principles and Practice of Knowledge Discovery in Databases (PKDD’07), Warsaw, Poland September 17, 2007. S-means code is here for free download.
- Hansheng Lei, Bingyu Sun, A Study on the Dynamic Time Warping in Kernel Machines, THE THIRD INTERNATIONAL CONFERENCE ON SIGNAL-IMAGE TECHNOLOGY & INTERNET–BASED SYSTEMS (SITIS' 2007 ), Dec 2007, Shanghai.
- Hansheng Lei, Secure passwords against Trojan theft using CAPTCHA keyboard, SWDSI'08, March 2008, Houston.
JOURNAL
H. Lei, V. Govindaraju, Generalized regression model for sequence matching and clustering, Knowledge and Information Systems, May 2006, Pages 1 - 18.
H. Lei, V. Govindaraju. Matching and Retrieving Linear Patterns Under Regression. Web Intelligence and Agent Systems. Dec 2005, Vol. 3 Issue 4, p261-270.
H. Lei, V. Govindaraju. A Study on the Consistency of Features for On-line Signature Verification. Pattern Recognition Letters. 26(15): 2483-2489 (2005).
CONFERENCE/WORKSHOP
H. Lei, V. Govindaraju. Half-Against-Half Multi-class Support Vector Machines. Multiple Classifier Systems 2005: pg. 156-164, 2005.
H. Lei, V. Govindaraju. Speeding Up Multi-class SVM by PCA and Feature Selection. Feature Selection in Data Mining (FSDM05), The 5th SIAM International Conference on Data Mining Workshop, California, USA, 2005.
H. Lei, V. Govindaraju. Similarity-driven Sequence Classification Based on Support Vector Machines. The 8th International Conference on Document Analysis and Recognition (ICDAR’05), 2005.
H. Lei, S. Palla, V. Govindaraju. Mouse-based signature verification for secure Internet transactions. The 17th SPIE conference, Applications of Neural Networks and Machine Learning in Image Processing IX, San Jose, California, USA, Jan., 2005.
H. Lei, V. Govindaraju. Direct Image Matching by Dynamic Warping. Computer Vision and Pattern Recognition Workshop, 2004 Conference on 27-02 June 2004 Page(s):76 - 76, Washington D.C., USA.
H. Lei, V. Govindaraju. Matching and Retrieving Linear Patterns Under Regression. The 2004 IEEE/WIC/ACM International Conference on Web Intelligence, pp. 84-90, Beijing, China, 2004 (Acceptance rate: 59/368 = 16%).
H. Lei, V. Govindaraju. GRM: Generalized Regression Model for Clustering Linear Sequences. The 4th SIAM International Conference on Data Mining, pp. 23-32, Florida, USA, 2004(Acceptance rate: 38/165 = 23%).
A. Xu, H. Lei. LCGMiner: Level wise Closed Graph Pattern Mining From Large Databases. The 16th International Conference on Scientific and Statistical Database Management, pp. 421-422, Santorini Island, Greece, 2004.
H. Lei, V. Govindaraju. Regression Time Warping for Similarity Measure of Sequences. The 4th International Conference on Computer and Information Technology, pp. 826-830, Wuhan, China, 2004.
H. Lei, S. Palla, V. Govindaraju. ER-squared: an Intuitive Similarity Measure for On-line Signature Verification. The 9th International Workshop on Frontiers in Handwriting Recognition, pp. 191-195, Tokyo, Japan, 2004.
S. Palla, H. Lei, V. Govindaraju. Signature and Lexicon Pruning Techniques. The 9th International Workshop on Frontiers in Handwriting Recognition, pp. 474-478, Tokyo, Japan, 2004.
H. Lei, V. Govindaraju. A Study on the Consistency of Features for On-line Signature Verification. Joint IAPR International Workshops on Syntactical and Structural Pattern Recognition and Statistical Pattern Recognition, Portugal, Lisbon, 2004.
OTHER PUBLICATIONS
H. Lei, X. Zhu. Facial Image Compression Based On Wavelet and Vector Quantization. Journal of Graphics and Images of China, Vol. 7(A), No.1, pp. 44-49, 2002(Chinese Journal).