134 search results - page 3 / 27 » Data hiding using trellis coded quantization |
HIS
2009
13 years 2 months ago
2009
In this paper, we propose a vector quantization (VQ) -based information hiding scheme that cluster the VQ codeowrds according the codewords' relation on Voronoi Diagram (VD). ...
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...
ISCIS
2003
Springer
13 years 10 months ago
2003
Springer
In this paper, we develop a robust image data hiding scheme based on multiple description coding of the signature image. At the transmitter, the signature image is encoded by balan...
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...