211 search results - page 26 / 43 » Robustness and Security of Digital Watermarks |
ETRICS
2006
15 years 1 months ago
2006
Digital signatures and message authentication codes are well known methods for ensuring message integrity. However, they rely on computations which are too hard to be performed by ...
GECCO
2005
Springer
15 years 3 months ago
2005
Springer
We propose an evolutionary algorithm for the enhancement of digital semi-fragile watermaking based on the manipulation of the image discrete cosine transform (DCT). The algorithm ...
ICMCS
2005
IEEE
15 years 3 months ago
2005
IEEE
A common way of resisting protocol attacks is to employ cryptographic techniques so that provable security can be retained. However, some desired requirements of watermarking such...
IH
2009
Springer
15 years 4 months ago
2009
Springer
Many illegal copies of digital movies by camcorder capture are found on the Internet or on the black market before their official release. Due to the angle of the camcorder relativ...
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MMSEC
2006
ACM
15 years 3 months ago
2006
ACM
In this paper, we introduce to the special domain of image annotation watermarking, based on embedding of hierarchical data related to objects into user-selected areas on an image...