49 search results - page 7 / 10 » Non-uniform quantizer design for image data hiding |
ICDS
2010
IEEE
14 years 2 months ago
2010
IEEE
—We consider a method for preventing e-Fraud in which a binary image is encrypted with a floating point cipher using a convolution operation and the output quantized into a 1-bi...
MMSEC
2004
ACM
14 years 25 days ago
2004
ACM
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...
ICASSP
2011
IEEE
12 years 11 months ago
2011
IEEE
Multistage residual vector quantizers (RVQ) with optimal direct sum decoder codebooks have been successfully designed and implemented for data compression. Due to its multistage s...
ICDE
1995
IEEE
14 years 8 months ago
1995
IEEE
Data compression is one way to alleviate the 1/0bottleneck problem faced by I/O-intensive applications such as databases. However, this approach is not widely used because of the ...
DCC
2003
IEEE
14 years 7 months ago
2003
IEEE
We propose a new algorithm for compressing three-dimensional triangular mesh data used for representing surfaces. We apply the EstimationQuantization (EQ) algorithm originally des...