16 search results - page 1 / 4 » Robust Vector Quantization for Burst Error Channels Using Ge... |
ESANN
2003
13 years 6 months ago
2003
This paper presents a novel vector quantizer (VQ) design algorithm for a burst error channel (BEC). The algorithm minimizes the average distortion when the BEC is in normal state o...
ISCAS
2005
IEEE
13 years 10 months ago
2005
IEEE
—The pervasive distribution of digital images triggers an emergent need of authenticating degraded images by lossy compression and transmission. This paper proposes a robust cont...
ISCAS
1999
IEEE
13 years 8 months ago
1999
IEEE
A vector enhancement of Said and Pearlman's Set Partitioning in Hierarchical Trees (SPIHT) methodology, named VSPIHT, has recently been proposed for embedded wavelet image co...
NTMS
2009
IEEE
13 years 11 months ago
2009
IEEE
—New approaches that generate secret keys from radio channel characteristics have been recently proposed. The security of these schemes usually relies on the reciprocity principl...
IJON
2008
13 years 4 months ago
2008
Various alternatives have been developed to improve the Winner-Takes-All (WTA) mechanism in vector quantization, including the Neural Gas (NG). However, the behavior of these algo...