Some highlights of my work in this field:

Other Papers

JOURNAL PUBLICATIONS:

  1. "Covariance selection for non-chordal graphs via chordal embedding", Dahl, J., Vandenberghe, L., Roychowdhury, V., Optimization Methods and Software (Journal): Special Issue on Mathematical programming in data-mining and machine-learning, Taylor and Francis, 23(4):501 - 520 (August 2008)   
  2. "Distributed Parallel Support Vector Machines in Strongly Connected Networks", Lu, Y., Roychowdhury, V., Vandenberghe, L., IEEE Transactions on Neural Networks, 19(7):1167 - 1178 (July 2008)   
  3. "A Theory of Web Traffic", Simkin, M.V., Roychowdhury, V., A Letters Journal Explaining the Frontiers of Physics, 82(28006):1 - 6 (April 2008)   
  4. "Parallel Randomized Sampling for Support Vector Machine and Support Vector Regression", Lu, Y., Roychowdhury, V., Knowledge and Information Systems, 14(2):233 - 247 (January 2008)   
  5. "An Information Theoretic Exploratory Method for Learning Patterns of Conditional Gene Co-expression from Microarray Data", Boscolo, R., Liao, J., Roychowdhury, V., IEEE Transactions on Computational Biology and BioInformatics, 5(1):15 - 24 (January 2008)
  6. "Inertia and memory in ambiguous visual perception", Gao, J. B., Billock, V. A., Merk, I., Tung, W. W., White, K. D., Harris, J. G., Roychowdhury, V. P., Cognitive Processing, Springer Berlin / Heidelberg, 7:105 - 112 (February 2006)  
  7. "A Generalized Framework for Network Component Analysis", Boscolo, R., Sabatti, C., Liao, J.C., Roychowdhury, V., IEEE/ACM TRANSACTIONS ON COMPUTATIONAL BIOLOGY AND BIOINFORMATICS, 2(4):289 - 301 (October 2005)   
  8. "A Study of Five Parallel Approaches to a Genetic Algorithm for the Traveling Salesman Problem", Wang, L., Maciejewski, A.A., Siegel, H.J., Roychowdhury, V.P., Eldridge, B.D., Intelligent Automation and Soft Computing, 11(4):217 - 234 (2005)   
  9. "Independent Component Analysis Based on Nonparametric Density Estimation", Boscolo, R., Pan, H., Roychowdhury, V.P., IEEE Transactions on Neural Networks, 15(1):55 - 65 (January 2004)   
  10. "Transcriptome-Based Determination of Multiple Transcription Regulator Activities in Escherichia Coli by Using Network Component Analysis", Kao, K.C., Yang, Y.-L., Boscolo, R., Sabatti, C. Roychowdhury, V.P., Liao, J.C., Proc. National Academy of Sciences, 101(2):641 - 646 (01/13/2004)   
  11. "Network Component Analysis: Reconstruction of Regulatory Signals in Biological Systems", Liao, J.C., Boscolo, R., Yang, Y.-L., Tran, L.M., Sabatti, C., Roychowdhury, V.P., Proc. National Academy of Sciences, 100(26):15522 - 15527 (12/23/2003)   
  12. "An Adaptive Quasi-Newton Algorithm for Eigensubspace Estimation", Kang, Z., Chatterjee, C., Roychowdhury, V.P., IEEE Transactions on Signal Processing, 48(12):3328 - 3333 (December 2000)   
  13. "Reduced-Dimension Blind Space-Time 2-D Rake Receivers for DS-CDMA Communication Systems", Chen, Y.F., Zoltowski, M.D., Ramos, J., Chatterjee, C., Roychowdhury, V.P., IEEE Transactions on Signal Processing, 48(6):1521 - 1536 (June 2000)    
  14. "Algorithms for Accelerated Convergence of Adaptive PCA", Chatterjee, C., Kang, Z., Roychowdhury, V.P., IEEE Transactions on Neural Networks, 11(2):338 - 355 (March 2000)   
  15. "Algorithms for Coplanar Camera Calibration", Roychowdhury, V., Chatterjee, C., Machine Vision and Applications, 12:84 - 97 (2000)
  16. "On Hetero-Associative Neural Networks and Adaptive Interference Cancellation", Chatterjee, C., Roychowdhury, V.P., IEEE Transactions on Signal Processing, 46(6):1769 - 1776 (June 1998)   
  17. "On Relative Convergence Properties of Principal Component Analysis Algorithms", Chatterjee, C., Roychowdhury, V.P., Chong, E.K.P., IEEE Transactions on Neural Networks, 9(2):319 - 329 (March 1998)   
  18. "Self-Organizing Algorithms for Generalized Eigen-Decomposition", Chatterjee, C., Roychowdhury, V.P., Ramos, J., Zoltowski, M.D., IEEE Transactions on Neural Networks, 8(6) (November 1997) 13 pages   
  19. "A Nonlinear Gauss-Seidel Algorithm for Noncoplanar and Coplanar Camera Calibration with Convergence Analysis", Chatterjee, C., Roychowdhury, V.P., Chong, E.K.P., Computer Vision and Image Understanding (CVIU), 67(1):58 - 80 (July 1997)   
  20. "On Self-Organizing Algorithms and Networks for Class-Separability Features", Chatterjee, C., Roychowdhury, V.P., IEEE Transactions on Neural Networks, 8(3):663 - 678 (May 1997)   
  21. "An Adaptive Stochastic Approximation Algorithm for Simultaneous Diagonalization of Matrix Sequences with Applications", Chatterjee, C., Roychowdhury, V.P., IEEE Transactions on Pattern Analysis and Machine Intelligence, 19(3):282 - 287 (March 1997)   
  22. "Linsker-Type Hebbian Learning: A Qualitative Analysis on the Parameter Space", Feng, J., Pan, H., Roychowdhury, V.P., Neural Networks, 10(4):705 - 720 (1997)   
  23. "Models and Algorithms for a Real-Time Hybrid Image Enhancement Methodology", Roychowdhury, V.P., Chatterjee, C., Pattern Recognition, 29(9):1531 - 1542 (September 1996)   
  24. "On Neurodynamics with Limiter Function and Linsker's Developmental Model", Roychowdhury, V.P., Feng, J., Pan, H., Neural Computation, 8(5):1003 - 1019 (July 1996)   
  25. "An Efficient Contrast Enhancement Method using the Analog to Digital Converter", Roychowdhury, V.P., Chatterjee, C., Machine Vision and Applications, 9:97 - 105 (1996)   
  26. "Vector Analysis of Threshold Functions", Roychowdhury, V.P., Siu, K.-Y., Orlitsky, A., Kailath, T., Information and Computation, 120(1):22 - 31 (July 1995)   
  27. "Classification of Linearly Non-Separable Patterns by Linear Threshold Elements", Roychowdhury, V.P., Siu, K.Y., Kailath, T., IEEE Trans. on Neural Networks, 6(2):318 - 331 (March 1995)   
  28. "Rational Approximation Techniques for Analysis of Neural Networks", Siu, K.-Y., Roychowdhury, V.P., Kailath, T., IEEE Trans. on Information Theory, 40(2):455 - 466 (March 1994)   
  29. "Depth-Size Tradeoffs for Neural Computation", Siu, K.Y., Roychowdhury, V.P., Kailath, T., IEEE Trans. on Computers: Special Issue on Artificial Neural Networks, 40(12):1402 - 1412 (December 1991)   
  30. "On the Number of Spurious Memories in the Hopfield Model", Bruck, J., Roychowdhury, V.P., IEEE Trans. on Information Theory, 36(2):393 - 397 (March 1990)   

BOOK CHAPTERS:

  1. "Image Processing Contrast Enhancement", Chatterjee, C., Roychowdhury, V.P., In: Wiley Encyclopedia of Electrical and Electronics Engineering, John G. Webster, Editor, John Wiley and Sons, Inc. (Eds.), 9:594 - 610 (1999) 
  2. "Camera Calibration for Image Processing", Chatterjee, C., Roychowdhury, V., In: Wiley Encyclopedia of Electrical and Electronics Engineering, John G. Webster, Editor, John Wiley and Sons, Inc. (Eds.), 2:743 - 758 (1999)   
  3. "Communications, Computation, Control and Signal Processing, a Tribute to Thomas Kailath", Paulraj, A., Roychowdhury, V.P., Schaper, C.D., Kluwer Academic Publishers (Ed.), (1996) Boston, MA, 588 pages   
  4. "Discrete Neural Computation: A Theoretical Foundation", Siu, K.Y., Roychowdhury, V.P., Kailath, T., Prentice Hall, (January 1995) 407 pages   
  5. "Theoretical Advances in Neural Computation and Learning", Roychowdhury, V.P., Siu, K.Y., Orlitsky, A., Kluwer Academic Publishers (Ed.), (October 1994) 468 pages
  6. "Neural Models and Spectral Methods", Roychowdhury, V.P., Siu, K.Y., Orlitsky, A., Theoretical Advances in Neural Computation and Learning, V.P. Roychowdhury, K.-Y. Siu, and A. Orlitsky eds., Boston, Kluwer Academic Publishers (Eds.), 3-36 (1994)   

CONFERENCES:

  1. "Cover song identification by sequence alignment algorithms", Wang, C.-L., Zhong, Q., Wang, S.-Y., Roychowdhury, V., SPIE International Conference on Graphic and Image Processing, (October 2011) 72755M (7 pp.) Cairo,Egypt   
  2. "Cover Song Identification by Sequence Alignment Algorithms", Wang, C-L., Zhong, Q., Wang, S-Y., Roychowdhury, V., 2010 International Conference on Signal and Information Processing (ICSIP 2010), Changsha, China, 187-191 (December 2010)   
  3. "Inferring Regulatory Interactions Between Transcriptional Factors and Genes by Propagating Known Regulatory Links", Zhong, Q., Boscolo, R., Gardner, T., Roychowdhury, V., 2007 IEEE Symposium on Computational Intelligence in Bioinformatics and Computational Biology, 205-211 (April 2007)   
  4. "Parallel Randomized Support Vector Machine", Lu, Y., Roychowdhury, V.P., Proceedings of the Advances in Knowledge Discovery and Data Mining, 10th Pacific-Asia Conference, PAKDD 2006, Singapore, April 9-12, 2006., Wee Keong Ng, Masaru Kitsuregawa, Jianzhong Li and Kuiyu Chang (Eds.), Springer, 205-214 (April 2006) url: http://dx.doi.org/10.1007/11731139_25   
  5. "A Filter Based Encoding Model for Mouse Retinal Ganglion Cells", Zhong, Q., Boykin, P.O., Jacobs, A., Roychowdhury, V.P., Nirenberg, S., Proceedings of the 2005 IEEE Engineering in Medicine and Biology 27th Annual Conference. Shanghai, China., 2087-2090 (September 2005)   
  6. "Non-Poisson Fluctuation Statistics in Neuronal Inter-Spike Intervals (ISI): Hurst Parameter Estimates of Mouse Retinal Ganglion Signals"Zhong, Q., Boykin, P.O., Nirenberg, S., Roychowdhury, V.P.,  Proceedings of the 2005 IEEE Engineering in Medicine and Biology 27th Annual Conference. Shanghai, China., 2095-2098 (September 2005)   
  7. "Adaptive Online Calibration in Time Stretched ADC Arrays", Han, Y., Rezaei, B., Roychowdhury, V.P., Jalali, B., Instrumentation and Measurement Technology Conference IMTC '03, 2:1212 - 1216 (05/20/2003) Major
  8. "On the Uniqueness of the Minimum of the Information-Theoretic Cost Function for the Separation of Mixtures of Nearly Gaussian Signals", Boscolo, R., Roychowdhury, V., In Proceedings of the 4th International Symposium on Independent Component Analysis and Blind Signal Separation (ICA2003) Nara, Japan, 137-141 (April 2003)
  9. "Beyond Comon's Identifiability Theorem for Independent Component Analysis", Boscolo, R., Pan, H., Roychowdhury, V.P., ICANN: International Conference on Artificial Neural Networks, 1119-1124 (08/28/2002) Madrid, Spain   
  10. "Non-Parametric {ICA}", Boscolo, R., Pan, H., Roychowdhury, V.P., Proceedings of Third International conference on Independent Component Analysis and Blind Signal Separation, Lee, T.-W., jung, T.-W., Makeig, s., Sejnowski, T.J. (Eds.), 13-18 (December 2001) San Diego, CA   
  11. "Adaptive Algorithms for Accelerted PCA from an Augmented Lagrangian Cost Function", Chatterjee, C., Kang, Z., Roychowdhury, V.P., International Conference on Neural Networks, (1999) Washington, DC, 6 pages, on CD-ROM   
  12. "Adaptive Algorithms for Eigen-Decomposition and their Applications in CDMA Communications Systems", Chatterjee, C., Roychowdury, V.P., 31st Asilomar Conference on Signals, Systems, and Computers, (November 1997) Monterey, CA   
  13. "Convergence Study of Principal Component Analysis Algorithms", Chatterjee, C., Roychowdhury, V.P., Chong, E.K.P., IEEE International Conference on Neural Networks, 23-28 (June 1997)   
  14. "Self-Organizing and Adaptive Algorithms for Generalized Eigen-Decomposition", Chatterjee, C., Roychowdhury, V.P., Advances in Neural Information Processing Systems 9 (NIPS'96), eds. M.C. Mozer, M.I. Jordan, and T. Petsche, MIT Press (Eds.), 396-402 (December 1996) Denver, Colorado   
  15. "Statistical Risk Analysis for Classification and Feature Extraction by Multilayer Perceptions", Chatterjee, C., Roychowdhury, V.P., IEEE International Conference on Neural Networks (ICNN'96), 1610-1615 (June 1996) Washington D.C.   
  16. "Self-Organizing Neural Networks for Class-Separability Features", Chatterjee, C., Roychowdhury, V.P., IEEE International Conference Neural Networks (ICNN'96), 1445-1450 (June 1996) Washington D.C.  
  17. "A Rigorous Analysis of Linsker-Type Hebbian Learning", Feng, J., Pan, H., Roychowdhury, V.P., Advances in Neural Information Processing Systems (NIPS) VII, G. Tesauro, D. Touretzky, T. Leen, eds. (Eds.), 319-326 (April 1995)   
  18. "Training Rule for Optical Recognition of Binary Character Images by Spatial Correlation", Chatterjee, C., Roychowdhury, V.P., Proc. IEEE International Conference on Neural Networks (ICNN'94), 4095-4100 (06/28/1994) Orlando, Florida, June 28-July 2, 1994   
  19. "A Rigorous Analysis of Linsker's Unsupervised Hebbian Learning Network", Feng, J., Pan, H., Roychowdhury, V.P., International Symposium on Information Theory (ISIT'94), 219 (June 1994) Trondheim, Norway   
  20. "Robust Camera Calibration Under Complete Lens Distortion", Chatterjee, C., Roychowdhury, V.P., Proc. SPIE's International Symposium on Optics, Imaging, and Instrumentation, 322-333 (07/11/1993) San Diego, California, July 11-16, 1993   
  21. "Efficient Image Processing Algorithms for Enhanced Desired Gray Scale Images", Chatterjee, C., Roychowdhury, V.P., Proc. SPIE's International Symposium on Optics, Imaging, and Instrumentation, 310-321 (07/11/1993) San Diego, California, July 11-16, 1993   
  22. "Efficient and Robust Methods of Accurate Camera Calibration", Chatterjee, C., Roychowdhury, V.P., Proc. of the IEEE Conference on Computer Vision and Pattern Recognition (CVPR'93), 664-665 (06/14/1993) New York, NY, June 14-18, 1993