Title :
Worst-case source for distributed compression with quadratic distortion
Author :
Shomorony, Ilan ; Avestimehr, Amir Salman ; Asnani, Himanshu ; Weissman, Tsachy
Author_Institution :
Cornell Univ., Ithaca, NY, USA
Abstract :
We consider the k-encoder source coding problem with a quadratic distortion measure. We show that among all source distributions with a given covariance matrix K, the jointly Gaussian source requires the highest rates in order to meet a given set of distortion constraints.
Keywords :
Gaussian distribution; covariance matrices; distortion; source coding; Gaussian source; covariance matrix K; distortion constraints; distributed compression; k-encoder source coding problem; quadratic distortion measure; source distributions; worst-case source; Covariance matrix; Decoding; Rate-distortion; Source coding; Vectors;
Conference_Titel :
Information Theory Workshop (ITW), 2012 IEEE
Conference_Location :
Lausanne
Print_ISBN :
978-1-4673-0224-1
Electronic_ISBN :
978-1-4673-0222-7
DOI :
10.1109/ITW.2012.6404654
