Sciweavers

1038 search results - page 164 / 208
» Code Compression
Sort
View
MMSEC
2004
ACM
137views Multimedia» more  MMSEC 2004»
14 years 3 months ago
Perturbed quantization steganography with wet paper codes
In this paper, we introduce a new approach to passive-warden steganography in which the sender embeds the secret message into a certain subset of the cover object without having t...
Jessica J. Fridrich, Miroslav Goljan, David Soukal
VECPAR
1998
Springer
14 years 2 months ago
Simulating Magnetised Plasma with the Versatile Advection Code
Abstract. Matter in the universe mainly consists of plasma. The dynamics of plasmas is controlled by magnetic fields. To simulate the evolution of magnetised plasma, we solve the e...
Rony Keppens, Gábor Tóth
NETWORKING
2008
13 years 11 months ago
The CPBT: A Method for Searching the Prefixes Using Coded Prefixes in B-Tree
Due to the increasing size of IP routing table and the growing rate of their lookups, many algorithms are introduced to achieve the required speed in table search and update or opt...
Mohammad Behdadfar, Hossein Saidi
FPL
2006
Springer
112views Hardware» more  FPL 2006»
14 years 1 months ago
Real-Time Video Pixel Matching
We present an efficient implementation of a state of the art algorithm PixelMatch for matching all pixels within consecutive video frames. The method is of practical interest for ...
Jean-Baptiste Note, Mark Shand, Jean Vuillemin
WCNC
2008
IEEE
14 years 4 months ago
Unequal Error Protection Irregular Over-Complete Mapping for Wavelet Coded Wireless Video Telephony Using Iterative Source and C
— Since the different bits of the compressed video sequence produced by the BBC’s wavelet-based video codec exhibit different error sensitivity, efficient Unequal Error Protec...
Anh Quang Pham, Lie-Liang Yang, Lajos Hanzo