555 search results - page 48 / 111 » Polar codes are optimal for lossy source coding |
TIP
1998
13 years 8 months ago
1998
—In this paper, we present fast and efficient methods for the lossy encoding of object boundaries that are given as eight-connect chain codes. We approximate the boundary by a p...
ICMCS
2006
IEEE
14 years 3 months ago
2006
IEEE
This paper proposes a content-aware authentication scheme optimized to account for distortion and overhead for media streaming. When authenticated media is streamed over a lossy n...
ISCC
2003
IEEE
14 years 2 months ago
2003
IEEE
Multiple Description (MD) and Layered Coding (LC) are two source-coding approaches proposed for adaptive and robust video streaming over lossy networks. Both streaming methods aim...
IPSN
2004
Springer
14 years 2 months ago
2004
Springer
In this paper, we study the optimal way of distributing sensors in a random field to minimize the estimation distortion. We show that this problem is equivalent to certain proble...
IR
2007
13 years 8 months ago
2007
Variants of Huffman codes where words are taken as the source symbols are currently the most attractive choices to compress natural language text databases. In particular, Tagged...