32 search results - page 5 / 7 » A Multi-band Wavelet Watermarking Scheme |
ICMCS
2006
IEEE
14 years 1 months ago
2006
IEEE
Blind multiplicative watermarking schemes for speech signals using wavelets and discrete cosine transform are presented. Watermarked signals are modeled using a generalized Gaussi...
JEI
2007
13 years 7 months ago
2007
In this work, we propose a novel fragile watermarking scheme in wavelet transform domain, which is sensitive to all kinds of manipulations and has the ability to localize the tamp...
IEEEMSP
2002
IEEE
14 years 1 days ago
2002
IEEE
—In [1, 2, 3], we have introduced a robust and secure digital signature solution for multimedia content authentication, by integrating content feature extraction, error correctio...
MMSEC
2004
ACM
14 years 16 days ago
2004
ACM
Protection of digital multimedia content has become an increasingly important issue for content owners and service providers. As watermarking is identified as a major technology t...
ICC
2007
IEEE
14 years 1 months ago
2007
IEEE
This paper investigates the operations of the wavelet tree based quantization and proposes a constrained wavelet tree quantization for image watermarking. The wavelet coefficients ...