134 search results - page 7 / 27 » Data hiding using trellis coded quantization |
ICIP
2008
IEEE
14 years 9 months ago
2008
IEEE
Halftone image watermarking techniques that allow automated extraction of the embedded watermark data are useful in a variety of document security and workflow applications. The p...
IH
2007
Springer
14 years 1 months ago
2007
Springer
Abstract. This paper presents a security analysis for data hiding methods based on nested lattice codes, extending the analysis provided by previous works. The security is quantiï¬...
ICIP
2005
IEEE
14 years 9 months ago
2005
IEEE
We investigate data hiding techniques that attempt to defeat steganalysis by restoring the statistics of the composite image to resemble that of the cover. The approach is to rese...
GLOBECOM
2009
IEEE
13 years 11 months ago
2009
IEEE
In this paper, we have investigated several aspects of multiplicative spread spectrum (MSS) embedding for Data Hiding. First, we analyze the probability of error of the maximum lik...
ICIP
2009
IEEE
14 years 8 months ago
2009
IEEE
In this paper, we perform double embedding in the quantization index modulation (QIM) framework where a single coefficient is modified twice, using two quantizers, to embed two bi...