490 search results - page 11 / 98 » Image Authentication Based on Distributed Source Coding |
DCC
2004
IEEE
15 years 9 months ago
2004
IEEE
In this paper, we build multi-resolution source codes using entropy constrained dithered scalar quantizers. We demonstrate that for n-dimensional random vectors, dithering followe...
TCOM
2008
14 years 9 months ago
2008
Abstract--Variable length codes (VLCs), used in data compression, are very sensitive to error propagation in the presence of noisy channels. To address this problem, several joint ...
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ICIP
2008
IEEE
15 years 4 months ago
2008
IEEE
Low-density parity-check (LDPC) codes are nowadays one of the hottest topics in coding theory, notably due to their advantages in terms of bit error rate performance and low compl...
ICIP
2002
IEEE
15 years 11 months ago
2002
IEEE
In many multimedia applications, there is a need to authenticate a source that has been subjected to benign degradations in addition to potential tampering attacks. We develop a m...
INFOCOM
2010
IEEE
14 years 8 months ago
2010
IEEE
Abstract—By allowing routers to randomly mix the information content in packets before forwarding them, network coding can maximize network throughput in a distributed manner wit...