20 search results - page 1 / 4 » Steganalysis of quantization index modulation data hiding |
ICIP
2004
IEEE
14 years 6 months ago
2004
IEEE
Quantization index modulation (QIM) techniques have been gaining popularity in the data hiding community because of their robustness and information-theoretic optimality against a...
ICIP
2005
IEEE
14 years 6 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...
ICIP
2009
IEEE
14 years 5 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...
ICASSP
2011
IEEE
12 years 8 months ago
2011
IEEE
A robust data hiding scheme that embeds the watermark bits by quantizing the gradient directions of an image is proposed. By embedding the watermark in the angle, the watermark be...
ICIP
2002
IEEE
14 years 6 months ago
2002
IEEE
In this paper we propose a novel data hiding procedure called Quantized Projection (QP), that combines elements from quantization (i.e. Quantization Index Modulation, QIM) and spr...