DCC
2010
IEEE
14 years 7 months ago
2010
IEEE
Word-based compression over natural language text has shown to be a good choice to trade compression ratio and speed, obtaining compression ratios close to 30% and very fast decom...
DCC
2010
IEEE
14 years 7 months ago
2010
IEEE
In this paper, we propose an optimization framework for real-time voice transmission over wireless tandem channels prone to both bit errors and packet erasures. Utilizing a hybrid...
DCC
2010
IEEE
14 years 7 months ago
2010
IEEE
This paper focuses on optimal analog mappings for zero-delay, distributed source-channel coding. The objective is to obtain the optimal vector transformations that map between m-d...
DCC
2010
IEEE
14 years 7 months ago
2010
IEEE
Current video coding schemes employ motion compensation to exploit the fact that the signal forms an auto-regressive process along the motion trajectory, and remove temporal redun...
DCC
2010
IEEE
14 years 7 months ago
2010
IEEE
We propose new data structures for navigation in sequences of balanced parentheses, a standard tool for representing compressed trees. The most striking property of our approach is...
DCC
2010
IEEE
14 years 7 months ago
2010
IEEE
Channel-optimized index assignment of source codewords is arguably the simplest way of improving transmission error resilience, while keeping the source and/or channel codes intac...
DCC
2010
IEEE
14 years 7 months ago
2010
IEEE
We present a technique that compresses a string w by enumerating all the substrings of w. The substrings are enumerated from the shortest to the longest and in lexicographic order...
DCC
2010
IEEE
14 years 7 months ago
2010
IEEE
This paper presents and evaluates gFPC, a self-tuning implementation of the FPC compression algorithm for double-precision floating-point data. gFPC uses a genetic algorithm to re...
DCC
2010
IEEE
14 years 7 months ago
2010
IEEE
We introduce Xampling, a design methodology for analog compressed sensing in which we sample analog bandlimited signals at rates far lower than Nyquist, without loss of informatio...
DCC
2010
IEEE
14 years 7 months ago
2010
IEEE
Motivated by the Markov chain Monte Carlo (MCMC) relaxation method of Jalali and Weissman, we propose a lossy compression algorithm for continuous amplitude sources that relies on...