ICASSP
2011
IEEE
13 years 2 months ago
2011
IEEE
Multistage residual vector quantizers (RVQ) with optimal direct sum decoder codebooks have been successfully designed and implemented for data compression. Due to its multistage s...
CORR
2010
Springer
13 years 11 months ago
2010
Springer
A Direct Sum Theorem holds in a model of computation, when for every problem solving some k input instances together is k times as expensive as solving one. We show that Direct Su...