Information Theory

"Lossless coding for distributed streaming sources," Submitted to IEEE Trans. Information Theory, [pdf].
Cheng Chang, Stark Draper and Anant Sahai

"The source coding game with a cheating switcher," IEEE International Symposium on Information Theory, ISIT 2007. [pdf]
Hari Palaiyanur, Cheng Chang, and Anant Sahai

"Delay-constrained source coding for a peak distortion measure," IEEE International Symposium on Information Theory, ISIT 2007. [pdf]
Cheng Chang and Anant Sahai

"Universal quadratic lower bounds on source coding error exponents," Conference on Information Sciences and Systems, CISS 2007. [pdf].
Cheng Chang and Anant Sahai

"Error exponents for joint source-channel coding with delay-constraints," Allerton Conference 2006, [pdf].
Cheng Chang and Anant Sahai

"Upper bound on error exponents with delay for lossless source coding with side-information," IEEE International Symposium on Information Theory, ISIT 2006. [pdf]
[A major improvement on the upper bound: pdf ]
Cheng Chang and Anant Sahai

"The error exponent with delay for lossless source coding," IEEE Information Theory Workshop 2006.[pdf]
Cheng Chang and Anant Sahai

"Sequential random coding error exponents for degraded broadcast channels," Allerton Conference 2005.[pdf]
Cheng Chang and Anant Sahai

"Sequential random binning for streaming distributed source coding," IEEE International Symposium on Information Theory, ISIT 2005. [pdf]
Stark Draper, Cheng Chang, and Anant Sahai

"Sequential random coding error exponents for multiple access channels," IEEE WirelessCom 05 Symposium on Information Theory. [pdf]
Cheng Chang and Anant Sahai


Sensor Networks

"Cramer-Rao type bounds for localization," EURASIP Journal on Applied Signal Processing, Special Issue on Wireless Location Technologies and Applications, 2006. [pdf]
Cheng Chang and Anant Sahai

"Object tracking in a 2D UWB sensor network," Asilomar Conference on Signals, Systems, and Computers, November 2004. [pdf] [ppt]
Cheng Chang and Anant Sahai

"Estimation bounds for localization" IEEE Conference on Sensor and Ad Hoc Communications and Networks, October 2004. [pdf] [ppt]
Cheng Chang and Anant Sahai

"Localization and object-tracking in an ultrawideband sensor network" Master Thesis [pdf]


Pattern Recognition

"Genetic algorithm for affine point pattern matching"Pattern Recognition Letters Vol. 24 2003 [pdf]
Lihua Zhang, Wenli Xu and Cheng Chang

"Image retrieval based on region shape similarity" SPIE Electronic Imaging, Jan 2001 [pdf]
Cheng Chang, Wenyin Liu and Hongjiang Zhang.


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