DCC
2010
IEEE
13 years 11 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
13 years 11 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
13 years 11 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
13 years 11 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
13 years 11 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
13 years 11 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
13 years 11 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
13 years 11 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
13 years 11 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
13 years 11 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...