53 search results - page 2 / 11 » Quantized projection data hiding |
ICASSP
2008
IEEE
13 years 11 months ago
2008
IEEE
This paper discusses the construction and implementation problem of trellis coded quantization (TCQ) based data hiding. We explore the robustness and distortion of data hiding by ...
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
2004
IEEE
14 years 6 months ago
2004
IEEE
Information theoretic tools lead to the design and analysis of new blind data hiding methods. A novel quantizationbased blind method, which uses trellis coded quantization, is pro...
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...
TIFS
2008
13 years 4 months ago
2008