50 search results - page 1 / 10 » Enhanced images watermarking based on amplitude modulation |
IVC
2006
13 years 5 months ago
2006
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...
ICPR
2008
IEEE
13 years 11 months ago
2008
IEEE
We propose a new remote multimodal biometric authentication framework based on fragile watermarking for transferring multi-biometrics over networks to server for authentication. A...
SSWMC
2004
13 years 6 months ago
2004
Quantization-based watermarking schemes are vulnerable to amplitude scaling. Therefore the scaling factor has to be accounted for either at the encoder, or at the decoder, prior t...
CIT
2004
Springer
13 years 10 months ago
2004
Springer
Abstract. Both encryption and digital watermarking techniques need to be incorporated in a digital rights management framework to address different aspects of content management. W...