Title :
Joint Optimization of Distributed Broadcast Quantization Systems for Classification
Author :
Lexa, Michael A. ; Johnson, Don H.
Author_Institution :
Dept. of Electr. & Comput. Eng., Rice Univ., Houston, TX
Abstract :
We develop a simulated annealing technique to jointly optimize a distributed quantization structure meant to maximize the asymptotic error exponent of a downstream classifier or detector. This distributed structure sequentially processes an input vector and exploits broadcasts to improve the best possible error exponents. The annealing approach is a robust technique that avoids local maxima and is easily tailored to a broadcast quantizer´s structural constraints
Keywords :
quantisation (signal); signal classification; simulated annealing; asymptotic error exponent; distributed broadcast quantization systems; downstream classifier; simulated annealing technique; Broadcasting; Computational modeling; Computer errors; Computer simulation; Detectors; Partitioning algorithms; Quantization; Robustness; Simulated annealing; Source coding;
Conference_Titel :
Data Compression Conference, 2007. DCC '07
Conference_Location :
Snowbird, UT
Print_ISBN :
0-7695-2791-4
DOI :
10.1109/DCC.2007.50