37 search results - page 1 / 8 » Hierarchical watermarking for secure image authentication wi... |
TIP
2002
13 years 4 months ago
2002
Several fragile watermarking schemes presented in the literature are either vulnerable to vector quantization (VQ) counterfeiting attacks or sacrifice localization accuracy to impr...
ICIP
2001
IEEE
14 years 6 months ago
2001
IEEE
Several fragile watermarking schemes presented in the literature are either vulnerable to vector quantization (VQ) counterfeiting attacks or sacrifice localization accuracy to imp...
ICIP
2005
IEEE
14 years 6 months ago
2005
IEEE
Most block-based image authentication techniques that are presented in the literature sacrifice localization accuracy in order to resist vector quantization (VQ) counterfeiting att...
AMC
2007
13 years 5 months ago
2007
Fragile watermarking techniques for digital content have been studied in the past few years. Fragile watermarks are used to determine if a piece of watermarked digital content has...
ICIAR
2004
Springer
13 years 10 months ago
2004
Springer
In this paper, a new block-based image-dependent watermarking technique is proposed. The proposed technique utilizes the correlation coefficient statistic to produce a short and un...