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Selected Recent Publications Distributed networked storage Ubiquitous Access to Distributed Data in Large-Scale Sensor Networks through Decentralized Erasure Codes, A. G. Dimakis, V. Prabhakaran and K. Ramchandran, IEEE/ACM Int. Conference on Information Processing in Sensor Networks (IPSN), April 2005. (Best Paper Award) PDF Project information Network Coding for Distributed Storage Systems, A. G. Dimakis, P. B. Godfrey, M. Wainwright and K. Ramchandran, IEEE Infocom, May 2007. Project information Network Coding for Distributed Storage in Wireless Networks, A. G. Dimakis, K. Ramchandran Book Chapter, Networked Sensing Information and Control, Signals and Communication Series, V. Saligrama (Ed.) Springer Verlag, October 2007. PDF Peer-to-peer networks On the Role of Helpers in Peer-to-Peer File Download Systems: Design,Analysis and Simulation, Jiajun Wang, Chuohao Yeo, Vinod Prabhakaran, and Kannan Ramchandran, International Workshop on Peer-to-Peer Systems (IPTPS), Feb. 2007. PDF Collaborative Content Distribution for Vehicular Ad Hoc Networks, M. Johnson, L. De Nardis, and K. Ramchandran, Proc. Allerton Conference on Communication, Control, and Computing,(Monticello, IL), September 2006. Allerton Abstract Overcoming Untuned Radios in Wireless Networks with Network Coding D. Petrovic, K. Ramchandran, and J. Rabaey, IEEE Transactions on Information Theory, Vol. 52, No. 6, June 2006. Security A Separation Result for Secure Communication V. Prabhakaran and K. Ramchandran. Proc. Allerton Conference on Communication, Control, and Computing,(Monticello, IL), September 2007 On Secure Distributed Source Coding V. Prabhakaran and K. Ramchandran Proceedings of IEEE Information Theory Workshop, Lake Tahoe, California, September 2007. On Compressing Encrypted Data, M. Johnson, P. Ishwar, V. Prabhakaran, D. Schonberg and K. Ramchandran IEEE Transactions on Signal Processing, Oct. 2004. On Compression of Encrypted Video, D. Schonberg, C. Yeo, S. C. Draper, and K. Ramchandran Data Compression Conference, 2007. Proceedings. DCC 2007, 27-29 March 2007 On Compression of Encrypted Images, D. Schonberg, S. C. Draper, and K. Ramchandran, International Conference on Image Processing, Atlanta, GA, October 2006 PDF On Blind Compression of Encrypted Correlated Data Approaching the Source Entropy Rate, D. Schonberg, S. C. Draper, and K. Ramchandran, 43rd Annual Allerton Conference, Monticello, IL, September 2005 PDF Distributed Signal Processing for Sensor Networks Random Distributed Multiresolution Representations with Significance Querying, W. Wang and K. Ramchandran, IEEE/ACM Int. Conference on Information Processing in Sensor Networks (IPSN), April 2006 Project information Distributed Sparse Random Projections for Refinable Approximation, W. Wang, M. Garofalakis, and K. Ramchandran IEEE/ACM Int. Conference on Information Processing in Sensor Networks (IPSN), April 2007. Project information On distributed sampling of smooth non-bandlimited fields, Animesh Kumar, Prakash Ishwar, and Kannan Ramchandran, IEEE/ACM Int. Conference on Information Processing in Sensor Networks (IPSN) 2004, Berkeley, CA, April 2004. ACM link On distributed sampling of bandlimited and non-bandlimited sensor fields, Animesh Kumar, Prakash Ishwar, and Kannan Ramchandran, IEEE International Conference on Acoustics, Speech, and SignalProcessing (ICASSP) 2004, Montreal, Canada, May 2004 xplore link Spectrum sharing Bits through ARQs: Spectrum Sharing with a Primary Packet System, K. Eswaran, M. Gastpar, and K. Ramchandran, Proceedings of the 2007 IEEE International Symposium on Information Theory (ISIT 2007), Nice, France, June 2007. PDF Project Information Colored Gaussian Source-Channel Broadcast for Heterogeneous (Analog/Digital) Receivers V. Prabhakaran, R. Puri, and K. Ramchandran, Proc. Allerton Conference on Communication, Control, and Computing, (Monticello, IL), Oct. 2005. A Hybrid Analog-Digital Framework for Joint Source-Channel Broadcast Coding V. Prabhakaran, R. Puri, and K. Ramchandran, Submitted to IEEE Transactions on Information Theory, Revised June 2007. Channel coding with strictly causal colored side-information at the transmitter V. Prabhakaran, D. Tse, and K. Ramchandran, Proceedings of the 2007 IEEE International Symposium on Information Theory (ISIT 2007), Nice, France, June 2007. Multimedia communication and networking Robust distributed multiview video compression for wireless camera networks, Chuohao Yeo and Kannan Ramchandran, VCIP 2007. (Best Student Paper Award) Abstract Summary Syndrome-based Robust Video Transmission over Networks with Bursty Losses, Jiajun Wang, Vinod Prabhakaran, and Kannan Ramchandran, IEEE International Conference on Image Processing (ICIP), Oct. 2006. PDF On enhancing MPEG video broadcast over wireless networks with an auxiliary broadcast channel, Jiajun Wang, Abhik Majumdar, and Kannan Ramchandran, IEEE International Conference on Acoustics, Speech, and SignalProcessing (ICASSP), Mar. 2005. PDF Unequal Growth Codes: Intermediate Performance and Unequal Error Protection for Video Streaming, A. G. Dimakis, J. Wang, K. Ramchandran MMSP, October 2007. (Best Student Paper Runner-up). PDF Compressed Domain Real-time Action Recognition, Chuohao Yeo, Parvez Ahammad, Kannan Ramchandran and S. Shankar Sastry, in MMSP 2006 Project Link Abstract Systems Theory for Low Power Circuits Fundamental redundancy versus power trade-off in standby SRAM, Animesh Kumar, Huifang Qin, Prakash Ishwar, Jan Rabaey, and Kannan Ramchandran, IEEE International Conference on Acoustics, Speech, and SignalProcessing (ICASSP) 2007, Hawaii, Honululu, Apr 2007. Fundamental bounds on power reduction during data-retention in standby SRAM, Animesh Kumar, Huifang Qin, Prakash Ishwar, Jan Rabaey, and Kannan Ramchandran, ISCAS 2007, New Orleans, NC, May 2007 Project information Distributed Source Coding PRISM: A Video Coding Paradigm with Motion Estimation at the Decoder, R. Puri, A. Majumdar and K. Ramchandran, IEEE Transactions on Image Processing, Vol. 16, No. 10, Oct. 2007. One Linear Code can Achieve the Arbitrary Slepian-Wolf Bound: Design And Construction, D. Schonberg, C. Yeo, S. C. Draper, and K. Ramchandran, IEEE Transactions on Communications, Submitted for publication Project Information On Blind Compression of Encrypted Correlated Data Approaching the Source Entropy Rate, D. Schonberg, S. C. Draper, and K. Ramchandran, 43rd Annual Allerton Conference, Monticello, IL, September 2005 PDF Slepian-Wolf Codes for Parallel Sources: Design and Error-Exponent analysis, D. Schonberg, S. C. Draper, R. Puri, and K. Ramchandran, 43rd Annual Allerton Conference, Monticello, IL, September 2005 PDF On source encoding with side-information under ambiguous state of nature P. Ishwar, V. Prabhakaran, and K. Ramchandran, Proceedings of the IEEE Conference on Image Processing (ICIP), September 2003. Towards a Theory for Video Coding using Distributed Compression Principles P. Ishwar, V. Prabhakaran, and K. Ramchandran, Proceedings of the 2006 IEEE International Symposium on Information Theory (ISIT 2006), July 2006. Back to homepage Last updated 00/00/00