Faculty Publications - Kannan Ramchandran

Book chapters or sections

• M. Johnson, D. Wagner, and K. Ramchandran, "On compressing encrypted data without the encryption key," in Theory of Cryptography: Proc. 1st Theory of Cryptography Conf. (TCC 2004), M. Naor, Ed., Lecture Notes in Computer Science, Vol. 2951, Berlin, Germany: Springer-Verlag, 2004, pp. 491-504.

Articles in journals or magazines

• R. Puri, A. Majumdar, P. Ishwar, and K. Ramchandran, "Distributed video coding in wireless sensor networks," IEEE Signal Processing Magazine, vol. 23, no. 4, pp. 94-106, July 2006.
• D. Petrovic, K. Ramchandran, and J. M. Rabaey, "Overcoming untuned radios in wireless networks with network coding," IEEE Trans. Information Theory, vol. 52, no. 6, pp. 2649-2657, June 2006.
• R. Jornsten, W. Wang, B. Yu, and K. Ramchandran, "Microarray image compression: SLOCO and the effect of information loss," Signal Processing: Special Issue on Genomic Signal Processing, vol. 83, no. 4, pp. 859-869, April 2003.
• S. S. Pradhan and K. Ramchandran, "Distributed source coding using syndromes (DISCUS): Design and construction," IEEE Trans. Information Theory, vol. 49, no. 3, pp. 626-643, March 2003.
• S. S. Pradhan, J. Kusuma, and K. Ramchandran, "Distributed compression in a dense microsensor network," IEEE Signal Processing Magazine, vol. 19, no. 2, pp. 51-60, March 2002.
• R. Puri, K. Lee, and K. Ramchandran, "An integrated source transcoding and congestion control paradigm for video streaming in the Internet," IEEE Trans. Multimedia, vol. 3, no. 1, pp. 18-32, March 2001.
• S. D. Servetto, K. Ramchandran, V. A. Vaishampayan, and K. Nahrstedt, "Multiple description wavelet based image coding," IEEE Trans. Image Processing, vol. 9, no. 5, pp. 813-826, May 2000.
• Z. Xiong, K. Ramchandran, M. T. Orchard, and Y. Zhang, "A comparative study of DCT- and wavelet-based image coding," IEEE Trans. Circuits and Systems for Video Technology, vol. 9, no. 5, pp. 692-695, Aug. 1999.
• Z. Xiong, K. Ramchandran, and M. T. Orchard, "Space-frequency quantization for wavelet image coding," IEEE Trans. Image Processing, vol. 6, no. 5, pp. 677-693, May 1997.
• K. Ramchandran and M. Vetterli, "Best wavelet packet bases in a rate-distortion sense," IEEE Trans. Image Processing, vol. 2, no. 2, pp. 160-175, April 1993.

Articles in conference proceedings

• A. Dimakis, M. Wainwright, and K. Ramchandran, "Lower bounds on the rate-distortion function of LDGM codes," Information Theory Workshop, 2007. ITW '07. IEEE, 2007, pp. 650-655.
• A. Dimakis, P. Godfrey, M. Wainwright, and K. Ramchandran, "Network Coding for Distributed Storage Systems," INFOCOM 2007. 26th IEEE International Conference on Computer Communications. IEEE, 2007, pp. 2000-2008.
• W. Wang, M. Garofalakis, and K. Ramchandran, "Distributed sparse random projections for refinable approximation," in Proceedings of the 6th Intl. Conference on Information Processing in Sensor Networks (IPSN'07), 2007, pp. 331-339.
• D. Schonberg, C. Yeo, S. C. Draper, and K. Ramchandran, "On compression of encrypted video," in Proc. 2007 Data Compression Conf., J. A. Storer and M. W. Marcellin, Eds., Los Alamitos, CA: IEEE Computer Society, 2007, pp. 173-182.
• J. Wang, V. Prabhakaran, and K. Ramchandran, "Syndrome-based robust video transmission over networks with bursty losses," in Proc. 2006 Intl. Conf. on Image Processing (ICIP 2006), Piscataway, NJ: IEEE Press, 2006, pp. 741-744.
• B. Wild and K. Ramchandran, "Detecting primary receivers for cognitive radio applications," in Proc. 2005 1st IEEE Intl. Symp. on New Frontiers in Dynamic Spectrum Access Networks (DySPAN 2005), Piscataway, NJ: IEEE Press, 2005, pp. 124-130.
• A. Majumdar and K. Ramchandran, "PRISM: An error-resilient video coding paradigm for wireless networks," in Proc. 1st Intl. Conf. on Broadband Networks, Los Alamitos, CA: IEEE Computer Society, 2004, pp. 478-485.
• J. van Greunen, D. Petrovic, A. Bonivento, J. M. Rabaey, K. Ramchandran, and A. L. Sangiovanni-Vincentelli, "Adaptive sleep discipline for energy conservation and robustness in dense sensor networks," in Proc. 2004 IEEE Intl. Conf. on Communications, Vol. 6, Piscataway, NJ: IEEE Press, 2004, pp. 3657-3662.
• R. Jornsten, B. Yu, W. Wang, and K. Ramchandran, "Compression of cDNA and inkjet microarray images," in Proc. 2002 Intl. Conf. on Image Processing, Vol. 3, Piscataway, NJ: IEEE Press, 2002, pp. 961-964.
• J. Chou, K. Ramchandran, and A. Ortega, "Next generation techniques for robust and imperceptible audio data hiding," in Proc. 2001 IEEE Intl. Conf. on Acoustics, Speech and Signal Processing, Vol. 3, Piscataway, NJ: IEEE Press, 2001, pp. 1349-1352.
• J. Chou, S. Pradhan, and K. Ramchandran, "A robust blind watermarking scheme based on distributed source coding principles," in Proc. 8th ACM Intl. Conf. on Multimedia, New York, NY: ACM Press, 2000, pp. 49-56.
• J. Chou, S. S. Pradhan, L. El Ghaoui, and K. Ramchandran, "Watermarking based on duality with distributed source coding and robust optimization principles," in Proc. 2000 Intl. Conf. on Image Processing, Vol. 1, Piscataway, NJ: IEEE Press, 2000, pp. 585-588.
• J. C. Chou, S. S. Pradhan, L. El Ghaoui, and K. Ramchandran, "Robust optimization solution to the data hiding problem using distributed source coding principles," in Proc. SPIE: Image and Video Communications and Processing 2000, B. Vasudev, T. R. Hsing, A. G. Tescher, and R. L. Stevenson, Eds., Vol. 3974, Bellingham, WA: SPIE, 2000, pp. 270-279.

Technical Reports

• C. Yeo and K. Ramchandran, "Compressed domain video processing of meetings for activity estimation in dominance classification and slide transition detection," EECS Department, University of California, Berkeley, Tech. Rep. UCB/EECS-2008-79, June 2008.
• A. K. Fletcher, S. Rangan, V. K. Goyal, and K. Ramchandran, "Denoising by Sparse Approximation: Error Bounds Based on Rate-Distortion Theory," EECS Department, University of California, Berkeley, Tech. Rep. UCB/ERL M05/5, Jan. 2005.
• R. Puri and K. Ramchandran, "PRISM: A Video Coding Architecture Based on Distributed Compression Principles," EECS Department, University of California, Berkeley, Tech. Rep. UCB/ERL M03/6, 2003.
• R. Puri and K. Ramchandran, "PRISM: A Realtime Multimedia Coding Architecture for Wireless," EECS Department, University of California, Berkeley, Tech. Rep. UCB/ERL M02/22, 2002.
• S. S. Pradhan, J. Chou, and K. Ramchandran, "Duality between source coding and channel coding with side information," EECS Department, University of California, Berkeley, Tech. Rep. UCB/ERL M01/34, 2001.
• S. S. Pradhan, R. Puri, and K. Ramchandran, "(n,k) Source-Channel Erasure Codes: Can Parity Bits Also Refine Quality?," EECS Department, University of California, Berkeley, Tech. Rep. UCB/ERL M01/3, 2001.
• R. Anand, K. Ramchandran, and S. Shakkottai, "Improvement of TCP Performance Over Heterogenous Networks Using Continuous Error Detection Based Link Level Error Recovery," EECS Department, University of California, Berkeley, Tech. Rep. UCB/ERL M00/56, 2000.
• S. Pradhan and K. Ramchandran, "Multiuser Successive Refinement," EECS Department, University of California, Berkeley, Tech. Rep. UCB/ERL M00/20, 2000.

Patents

• S. Ha, S. Han, T. Kim, V. Bharghavan, U. Madhow, and K. Ramchandran, "Data transport acceleration and management within a network communication system," U.S. Patent 7,099,273. Aug. 2006.
• R. Puri and K. Ramchandran, "Encoding and decoding of digital data using cues derivable at a decoder," U.S. Patent Application. Aug. 2003.
• H. Garudadri and K. Ramchandran, "Method, apparatus and system for encoding and decoding side information for multimedia transmission," U.S. Patent Application. March 2003.
• K. Ramchandran, J. Chou, and I. Kozintsev, "Data transmission using arithmetic coding based continuous error detection," U.S. Patent 6,418,549. July 2002.
• B. S. Krongold, K. Ramchandran, and D. L. Jones, "Section division operating point determination method for multicarrier communication systems," U.S. Patent 6,400,773. June 2002.
• J. Chou and K. Ramchandran, "Transcoding multimedia information within a network communication system," U.S. Patent Application. May 2002.
• J. Chou and K. Ramchandran, "Decoding compressed image data," U.S. Patent Application. May 2002.
• K. Ramchandran, M. Vetterli, Y. Yu, and D. Anastassiou, "JPEG/MPEG decoder-compatible optimized thresholding for image and video signal compression," U.S. Patent 5,734,755. March 1998.
• K. Ramchandran, K. M. Uz, and M. F. Vetterli, "Multiresolution digital television broadcast system," U.S. Patent 5,267,021. Nov. 1993.
• K. W. Javitt and K. Ramchandran, "Circuit for digitally adding loss to a signal," U.S. Patent 5,237,591. Aug. 1993.